10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

[x] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2013

or

[  ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from                                    to                                   

Commission File Number: 000-51395

FEDERAL HOME LOAN BANK OF PITTSBURGH

(Exact name of registrant as specified in its charter)

Federally Chartered Corporation	25-6001324
(State or other jurisdiction of incorporation or organization)	(IRS Employer Identification No.)
601 Grant Street Pittsburgh, PA 15219  (Address of principal executive offices)	15219  (Zip Code)

(412) 288-3400

(Registrant’s telephone number, including area code)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.  [x]Yes []No

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).  [x] Yes [] No

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):

o Large accelerated filer	o Accelerated filer
x Non-accelerated filer	o Smaller reporting company

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).  [] Yes [x] No

There were 25,080,609 shares of common stock with a par value of $100 per share outstanding at October 31, 2013.

FEDERAL HOME LOAN BANK OF PITTSBURGH

TABLE OF CONTENTS

Part I - FINANCIAL INFORMATION	1
Item 1: Financial Statements (unaudited)	48
Notes to Financial Statements (unaudited)	55
Item 2: Management's Discussion and Analysis of Financial Condition and Results of Operations	1
Risk Management	25
Item 3: Quantitative and Qualitative Disclosures about Market Risk	95
Item 4: Controls and Procedures	95
Part II - OTHER INFORMATION	95
Item 1: Legal Proceedings	95
Item 1A: Risk Factors	96
Item 2: Unregistered Sales of Equity Securities and Use of Proceeds	96
Item 3: Defaults upon Senior Securities	96
Item 4: Mine Safety Disclosures	96
Item 5: Other Information	96
Item 6: Exhibits	96
Signature	97

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PART I - FINANCIAL INFORMATION

Item 2: Management's Discussion and Analysis of Financial Condition and Results of Operations

Forward-Looking Information

Statements contained in this Form 10-Q, including statements describing the objectives, projections, estimates, or predictions of the future of the Federal Home Loan Bank of Pittsburgh (the Bank), may be “forward-looking statements.” These statements may use forward-looking terms, such as “anticipates,” “believes,” “could,” “estimates,” “may,” “should,” “will,” or their negatives or other variations on these terms. The Bank cautions that, by their nature, forward-looking statements involve risk or uncertainty and that actual results could differ materially from those expressed or implied in these forward-looking statements or could affect the extent to which a particular objective, projection, estimate, or prediction is realized. These forward-looking statements involve risks and uncertainties including, but not limited to, the following: economic and market conditions, changes in real estate, credit and mortgage markets; volatility of market prices, rates, and indices related to financial instruments; political, legislative, regulatory, litigation, or judicial events or actions; changes in assumptions used in the quarterly other-than-temporary impairment (OTTI) process; risks related to mortgage-backed securities (MBS); changes in the assumptions used in the allowance for credit losses; changes in the Bank’s capital structure; changes in the Bank’s capital requirements; membership changes; changes in the demand by Bank members for Bank advances; an increase in advances’ prepayments; competitive forces, including the availability of other sources of funding for Bank members; changes in investor demand for consolidated obligations and/or the terms of interest rate exchange agreements and similar agreements; changes in the Federal Home Loan Bank (FHLBank) System’s debt rating or the Bank’s rating; the ability of the Bank to introduce new products and services to meet market demand and to manage successfully the risks associated with new products and services; the ability of each of the other FHLBanks to repay the principal and interest on consolidated obligations for which it is the primary obligor and with respect to which the Bank has joint and several liability; applicable Bank policy requirements for retained earnings and the ratio of the market value of equity to par value of capital stock; the Bank’s ability to maintain adequate capital levels (including meeting applicable regulatory capital requirements); business and capital plan adjustments and amendments; technology risks; and timing and volume of market activity. This Management's Discussion and Analysis (MD&A) should be read in conjunction with the Bank's unaudited interim financial statements and notes and Risk Factors included in Part II, Item 1A of this Form 10-Q, as well as the Bank's 2012 Form 10-K (2012 Form 10-K), including Risk Factors included in Item 1A of that report.

Executive Summary

Overview. The economy continued to show signs of slow growth during the third quarter of 2013 and remained resilient despite tighter fiscal policies and weak labor market conditions. The political debate over the U.S. government's funding and the U.S. Treasury debt limit prompted a partial government closing in early October and may influence the economy to stay in a slow growth pace for the foreseeable future. If these issues prove to be an impediment to future U.S. economic growth, the Bank's financial condition and results of operations could be affected going forward.

The Bank's financial condition and results of operation are influenced by the interest rate environment, global and national economies, local economies within its three-state district, and the conditions in the financial, housing and credit markets. Although the period-end balance for advances was down from year-end, during the third quarter of 2013 the Bank's average advance portfolio increased 11.6% from third quarter 2012, while net income rose to $43.5 million, compared with $33.0 million in the third quarter of 2012. In February, April, and July 2013, the Bank declared a quarterly dividend of 32, 29, and 100 basis points on an annualized basis, respectively. In October 2013, the Bank declared a quarterly dividend of 150 basis points on an annualized basis. During the first nine months of 2013, the Bank repurchased a total of $1.7 billion of excess capital stock. In August 2013, the Bank began to repurchase excess capital stock on a monthly basis.

Interest Rate Environment. During the third quarter of 2013, the Federal Open Market Committee (FOMC) announced that it will continue to link future monetary policy tightening to threshold levels on unemployment and inflation and will continue with monthly purchases of Agency mortgage-backed securities and longer-term U.S. Treasuries. The debt markets began to perceive that policymakers were indicating a desire to moderate their quantitative easing position, which resulted in a sharp rise in mid-to-long term interest rates near the end of the third quarter of 2013. The increases in interest rates impacted the Bank's risk measures (i.e., duration of equity, earned dividend spread (EDS), and market value of equity to par value of capital stock (MV/CS)) which is discussed further in the "Risk Management" section of this Form 10-Q.

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The interest rate environment significantly impacts the Bank's profitability. Net interest income is affected by several external factors, including market interest rate levels and volatility, credit spreads and the general state of the economy. To manage interest rate risk, a portion of the Bank's advances and debt have been hedged with interest-rate exchange agreements in which 3-month LIBOR is received (advances) or paid (debt). Short-term interest rates also directly affect the Bank's earnings on invested capital. The Bank expects its near-term ability to generate significant earnings on short-term investments will be limited in light of the Federal Reserve announcement regarding the Federal funds rate noted below. Finally, the Bank's mortgage-related assets make it sensitive to changes in mortgage rates. The Bank earns relatively narrow spreads between yields on assets (particularly advances, its largest asset) and the rates paid on corresponding liabilities.

With ample liquidity available in the domestic banking system, the effective rate on Federal funds remained in a narrow range and averaged approximately nine basis points during the third quarter of 2013. If the Federal funds effective rate remains in this expected lower range, the Bank's earnings on capital will be negatively impacted as it continues to invest in short-term assets. The Federal Reserve has announced that it has decided to keep the target range for the Federal funds rate at zero to 25 basis points and anticipates that economic conditions are likely to warrant exceptionally low levels for the Federal funds rate at least through mid-2015.

The following table presents key market interest rates.

	3rd Quarter 2013 Average	2nd Quarter 2013 Average	3rd Quarter 2012 Average	Year-to-Date 2013 Average	Year-to-Date 2012 Average
Federal funds effective rate	0.09%	0.12%	0.14%	0.12%	0.13%
3-month LIBOR	0.26%	0.28%	0.43%	0.28%	0.47%
2-year U.S. Treasury	0.36%	0.26%	0.26%	0.29%	0.27%
5-year U.S. Treasury	1.49%	0.90%	0.66%	1.07%	0.78%
10-year U.S. Treasury	2.69%	1.97%	1.63%	2.20%	1.82%
15-year mortgage current coupon (1)	2.62%	1.86%	1.34%	2.11%	1.68%
30-year mortgage current coupon (1)	3.52%	2.77%	2.32%	2.96%	2.67%

Notes:

⁽¹⁾ Simple average of Fannie Mae and Freddie Mac MBS current coupon rates.

Interest Rates and Yield Curve Shifts.  The Bank's earnings are affected not only by rising or falling interest rates but also by the particular path and volatility of changes in market interest rates and the prevailing shape of the yield curve. The flattening of the yield curve tends to compress the Bank's net interest margin, while steepening of the curve offers better opportunities to purchase assets with wider net interest spreads. During the third quarter of 2013, the yield curve remained steep with average short-term U.S. Treasury rates decreasing slightly and the average 10-year Treasury rates increasing. As of September 30, 2013, the spread between 2-year and 10-year U.S. Treasuries increased 16 basis points compared to the prior quarter and remained relatively wide at 229 basis points. In the third quarter of 2013, amid subdued credit concerns globally, 3-month LIBOR declined 2 basis points, while 3-month U.S. Treasury bills decreased 2.5 basis points.

Mortgage application and refinancing activities decreased during the third quarter of 2013 and for the first nine months of 2013 as compared to the same prior year period. The performance of the Bank's mortgage asset portfolios is particularly affected by shifts in the 10-year maturity range of the yield curve, which is the point that heavily influences mortgage rates and potential refinancings. Yield curve shape can also influence the pace at which borrowers refinance or prepay their existing loans, as borrowers may select shorter-duration mortgage products. Under normal historical circumstances, when rates decline, prepayments increase, resulting in accelerated accretion/amortization of any associated discounts/premiums. However, the Bank has not experienced prepayments at the level its models have predicted based on these interest rates. The Bank continues to adjust its prepayment estimates to more closely reflect actual activity. In addition, when higher coupon mortgage loans prepay, the unscheduled return of principal cannot be invested in assets with a comparable yield, resulting in a decline in the aggregate yield on the remaining loan portfolio and a possible decrease in the net interest margin.

The Federal Housing Finance Agency (Finance Agency), along with Fannie Mae and Freddie Mac, continue to support the Home Affordable Refinance Program (HARP) in an effort to assist more eligible borrowers who can benefit from refinancing their home mortgage. The Finance Agency has directed Fannie Mae and Freddie Mac to extend HARP by another two years, through December 31, 2015. Other federal agencies have implemented other programs in recent years to prevent foreclosure (including the Home Affordable Modification Program and the Principal Reduction Alternative). In addition, for borrowers meeting certain criteria, the Bank offers a loan modification program for its Mortgage Partnership Finance^® (MPF^®) Program. The Bank does not expect the HARP changes, the Bank's MPF loan modification program, or existing foreclosure prevention

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programs to have a significant impact on the Bank's mortgage portfolios. However, program execution and related changes, as well as any additional new programs at the local, state, or federal level, including local or state use of eminent domain power, may alter this perspective. Additionally, settlements by other market participants with the government and large mortgage servicers/MBS issuers may impact the value of the Bank's private label MBS holdings.

The volatility of yield curve shifts may also have an effect on the Bank's duration of equity and the cost of maintaining duration within limits. Volatility in interest rates may cause management to take action to maintain compliance with these limits, even though a subsequent, sudden reversal in rates may make such hedges unnecessary. Volatility in interest rate levels and the shape of the yield curve may increase the cost of compliance with the Bank's duration limits. In the past few years, the typical cash flow variability of mortgage assets has become less pronounced. If this trend continues, the duration of assets could be extended and the cost to fund these assets could increase.

Housing Trends. During the third quarter of 2013, the recovery in the housing market began to exhibit signs of slowing due to higher mortgage rates, supply constraints in the home building industry, and slower household formation. Increases in construction activities, low mortgage rates and greater affordability had been the catalysts for the strong recovery. Expectations for continued stronger housing markets have played a key role in policymakers' improved confidence in their outlook for the U.S. economy. Although increases during the period between May and August reflected the market's concern over an impending reduction or an end to quantitative easing which caused overall interest rates to remain elevated, rates on 30-year mortgages remained very low by historical standards during the third quarter of 2013.

Results of Operations. During the third quarter of 2013, the Bank recorded net income of $43.5 million, up $10.5 million from $33.0 million in the third quarter of 2012. This improvement was driven primarily by net gains on the early extinguishment of debt and higher net gains on derivatives and hedging activities, partially offset by lower net interest income. Net gains on early extinguishment of debt recognized during the third quarter of 2013 totaled $9.6 million. Net gains on derivatives and hedging activities were $5.4 million in the third quarter of 2013 compared to $3.5 million in the third quarter of 2012.

Net Interest Income. Net interest income for the third quarter of 2013 was $47.5 million, down $2.5 million compared to $50.0 million for the third quarter of 2012. The decrease in net interest income was primarily due to lower prepayment fees on advances. Lower interest income on advances, investments, and mortgage loans held for portfolio was mostly offset by lower interest expense on consolidated obligations. The net interest margin for the third quarter of 2013 was 32 basis points compared to 33 basis points in the third quarter of 2012. As private label MBS, which are generally higher-coupon assets, pay down and otherwise decline, the Bank expects to replace such investments with lower-yielding, less risky Agency and government-sponsored enterprise (GSE) MBS.

Financial Condition.Advances. Throughout 2013, members continued to renew the majority of existing advances; however, there has been less demand for additional borrowings. Advances totaled $39.5 billion at September 30, 2013, down from $40.5 billion at December 31, 2012. As the size of the advance portfolio decreased during the first nine months of 2013, the average life of an advance has increased modestly. At September 30, 2013, approximately 53% of the par value of advances in the portfolio had a remaining maturity of more than one year, compared to 49% at December 31, 2012.

The ability to grow and/or maintain the advance portfolio is affected by, among other things: (1) the liquidity demands of the Bank's borrowers; (2) the composition of the Bank's membership; (3) advance pricing; (4) current and future credit market conditions; (5) housing market trends; and (6) the shape of the yield curve.

Investments. At September 30, 2013, the Bank held $15.5 billion of total investments, including trading, available-for-sale (AFS) and held-to-maturity (HTM) investment securities, as well as securities purchased under agreement to resell, interest-bearing deposits, and Federal funds sold. By comparison, at December 31, 2012, these investments totaled $19.1 billion. The decrease of $3.6 billion was primarily driven by declines in Federal funds sold and securities purchased under agreements to resell, as the Bank's liquidity needs declined in the first nine months of 2013. In terms of the Bank's private label MBS portfolio, the Bank has experienced overall improvement in the fair value of these investments since the low point at the end of 2008. Prices can change for many reasons, and the Bank is unable to predict future prices on these investments. The balance of the private label MBS continues to decline due to paydowns; the Bank has not purchased any new private label MBS since 2007.

Consolidated Obligations of the FHLBank System. During the third quarter of 2013, the FHLBanks continued to maintain sufficient access to funding. The bond market sell-off, as well as liquidity concerns in the latter part of the quarter related to political debates in Washington D.C., resulted in increased funding costs, especially for some bond products. FHLBank monthly bond trading volume averaged $29 billion in July and August and then fell to less than $25 billion in September.

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During the third quarter, the composition of FHLBank System funding shifted toward short-maturity bullets and floaters, with 77% of issuance in the third quarter having a maturity of 12 months or less. Consolidated bonds outstanding rose $15 billion to $486 billion as of September 30, 2013, while consolidated discount notes outstanding increased $19 billion to $235 billion. Due mostly to increases in discount notes outstanding, consolidated obligations outstanding increased to the highest level since August 2011, as such obligations generally increased in the latter part of September.

The Bank's consolidated obligations totaled $57.2 billion at September 30, 2013, a decrease of $2.1 billion from December 31, 2012. This decrease in consolidated obligations was due to a $2.2 billion decrease in discount notes, partially offset by a $0.1 billion increase in bonds. The decrease in discount notes was primarily due to a decline in short-term advance activity. At September 30, 2013, bonds represented 62% of the Bank's consolidated obligations, compared with 59% at December 31, 2012. Discount notes represented 38% of the Bank's consolidated obligations at September 30, 2013 compared with 41% at year-end 2012.

Capital Position and Regulatory Requirements. Total retained earnings at September 30, 2013 were $652.2 million, up from $559.3 million at year-end 2012 reflecting the Bank's net income for the first nine months of 2013 partially offset by dividends paid. Accumulated other comprehensive income (AOCI) related to the non-credit portion of OTTI losses on AFS securities improved to $67.2 million at September 30, 2013 compared to $19.0 million at December 31, 2012 and was primarily due to price appreciation on the private label MBS portfolio. This improvement was more than offset by net unrealized losses on Agency securities in the AFS portfolio which had an unrealized gain of $35.4 million at December 31, 2012 and an unrealized loss of $23.9 million at September 30, 2013 and was primarily due to price declines on these investments as a result of increases in market interest rates.

In the Finance Agency's most recent determination, as of June 30, 2013, the Bank was deemed "adequately capitalized." As provided for under the Finance Agency's final rule on FHLBank capital classification and critical capital levels, the Director of the Finance Agency has discretion to reclassify the Bank's capital classification even if the Bank meets or exceeds the regulatory requirements established. As of the date of this filing, the Bank has not received final notice from the Finance Agency regarding its capital classification for the quarter ended September 30, 2013. The Bank exceeded its risk-based, total and leverage capital requirements at September 30, 2013, as presented in the Capital Resources section of this Item 2.

The Bank measures capital adequacy with the key risk indicator MV/CS. See the "Risk Governance" discussion in the Risk Management section of this report and the Bank's 2012 Form 10-K for additional details regarding this risk metric.

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Financial Highlights

The following financial highlights for the Condensed Statement of Condition as of December 31, 2012 have been derived from the Bank's audited financial statements. Financial highlights for the other quarter-end periods have been derived from the Bank's unaudited financial statements except for the three months ended December 31, 2012 which have been derived from the Bank's 2012 Form 10-K.

Condensed Statement of Income

	Three months ended
	September 30,		June 30,		March 31,			December 31,			September 30,
(in millions, except per share data)	2013		2013		2013			2012			2012
Net interest income	$	47.5	$	42.1	$	45.4		$	67.7		$	50.0
Provision (benefit) for credit losses	(0.7)		(1.2)		(0.1		)	0.4			(0.1		)
Other noninterest income:
Net OTTI losses, credit portion (1)	—		—		(0.4		)	(0.4		)	(0.2		)
Net gains on derivatives and     hedging activities	5.4		7.1		1.6			8.1			3.5
Net gains on extinguishment of debt	9.6		—		—			—			—
Other, net	2.8		3.9		2.5			2.1			1.1
Total other noninterest income	17.8		11.0		3.7			9.8			4.4
Other expense	17.7		18.6		17.4			19.6			17.8
Income before assessments	48.3		35.7		31.8			57.5			36.7
Affordable Housing Program (AHP) assessment (2)	4.8		3.7		3.2			5.8			3.7
Net income	$	43.5	$	32.0	$	28.6		$	51.7		$	33.0
Earnings per share (3)	$	1.61	$	1.14	$	1.03		$	1.83		$	1.08

Dividends (4)	$	7.0		$	2.0		$	2.2		$	3.4		$	0.7
Dividend payout ratio (5)	16.15		%	6.20		%	7.69		%	6.53		%	2.32		%
Return on average equity	5.11		%	3.65		%	3.39		%	6.05		%	3.74		%
Return on average assets	0.29		%	0.21		%	0.20		%	0.35		%	0.22		%
Net interest margin (6)	0.32		%	0.28		%	0.31		%	0.46		%	0.33		%
Regulatory capital ratio (7)	5.10		%	6.23		%	6.30		%	5.89		%	6.30		%
Total capital ratio (at period-end) (8)	5.17		%	5.89		%	5.81		%	5.31		%	6.04		%
Total average equity to average assets	5.63		%	5.81		%	5.77		%	5.73		%	5.82		%

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	Nine months ended
(in millions, except per share data)	September 30, 2013			September 30, 2012
Net interest income	$	135.0		$	142.1
Provision (benefit) for credit losses	(2.0		)	—
Other noninterest income (loss) :
Net OTTI losses, credit portion (1)	(0.4		)	(11.0		)
Net gains on derivatives and hedging activities	14.1			2.6
Net gains on extinguishment of debt	9.6			—
Other, net	9.2			5.7
Total other noninterest income (loss)	32.5			(2.7		)
Other expense	53.7			52.7
Income before assessments	115.8			86.7
AHP assessment (2)	11.7			8.7
Net income	$	104.1		$	78.0
Earnings per share (3)	$	3.77		$	2.52
Dividends (4)	$	11.2		$	2.4
Dividend payout ratio (5)	10.76		%	3.08		%
Return on average equity	4.05		%	2.99		%
Return on average assets	0.23		%	0.18		%
Net interest margin (6)	0.30		%	0.34		%
Regulatory capital ratio (7)	5.10		%	6.30		%
Total capital ratio (at period-end) (8)	5.17		%	6.04		%
Total average equity to average assets	5.74		%	6.12		%

Notes:

⁽¹⁾ Represents the credit-related portion of OTTI losses on private label MBS portfolio.

⁽²⁾ Although the Bank is not subject to federal or state income taxes, by regulation, the Bank is required to allocate 10% of its income before assessments to fund the AHP.

⁽³⁾ Calculated based on net income.

⁽⁴⁾ The Bank paid a dividend of 1.00% annualized on July 30, 2013, 0.29% annualized on April 30, 2013, 0.32% annualized on February 22, 2013, 0.43% annualized on October 31, 2012, and 0.10% annualized on July 31, 2012.

⁽⁵⁾ Represents dividends as a percentage of net income for the respective periods presented.

⁽⁶⁾ Net interest margin is net interest income before provision for credit losses as a percentage of average interest-earning assets.

⁽⁷⁾ Regulatory capital ratio is the sum of period-end capital stock, mandatorily redeemable capital stock, and retained earnings as a percentage of total assets at period-end.

⁽⁸⁾ Total capital ratio is capital stock plus retained earnings and AOCI as a percentage of total assets at period-end.

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Condensed Statement of Condition

	September 30,		June 30,		March 31,		December 31,		September 30,
(in millions)	2013		2013		2013		2012		2012
Cash and due from banks	$	3,063.1	$	933.1	$	545.7	$	1,350.6	$	246.7
Investments (1)	15,531.7		15,686.2		15,955.5		19,057.3		18,372.2
Advances	39,505.9		40,569.6		39,994.0		40,497.8		37,738.6
Mortgage loans held for portfolio, net (2)	3,277.7		3,387.5		3,482.8		3,532.5		3,579.1
Total assets	61,562.8		60,753.3		60,136.6		64,616.3		60,140.5
Consolidated obligations, net:
Discount notes	21,983.0		17,702.8		18,300.6		24,148.5		20,888.3
Bonds	35,225.4		37,949.1		36,496.6		35,135.6		33,665.5
Total consolidated obligations, net (3)	57,208.4		55,651.9		54,797.2		59,284.1		54,553.8
Deposits	780.7		821.2		1,022.8		999.9		1,054.9
Mandatorily redeemable capital stock	—		257.0		368.8		431.6		188.1
AHP payable	33.4		29.2		26.2		24.5		19.4
Total liabilities	58,380.2		57,177.4		56,640.1		61,187.3		56,509.4
Capital stock - putable	2,487.6		2,913.3		2,832.0		2,816.0		3,091.7
Unrestricted retained earnings	600.9		573.1		549.5		528.8		490.8
Restricted retained earnings	51.3		42.7		36.2		30.5		20.2
AOCI	42.8		46.8		78.8		53.7		28.4
Total capital	3,182.6		3,575.9		3,496.5		3,429.0		3,631.1

Notes:

⁽¹⁾ Includes trading, AFS and HTM investment securities, securities purchased under agreements to resell, Federal funds sold and interest-bearing deposits.

⁽²⁾ Includes allowance for credit losses of $11.3 million at September 30, 2013, $12.2 million at June 30, 2013, $13.4 million at March 31, 2013, $14.2 million at December 31, 2012 and $14.0 million at September 30, 2012.

⁽³⁾ Aggregate FHLBank System-wide consolidated obligations (at par) were $720.7 billion, $704.5 billion, $666.0 billion, $687.9 billion, and $674.5 billion at September 30, 2013, June 30, 2013, March 31, 2013, December 31, 2012, and September 30, 2012, respectively.

Earnings Performance

The following is Management's Discussion and Analysis of the Bank's earnings performance for the third quarter and nine months ended September 30, 2013 and 2012, which should be read in conjunction with the Bank's unaudited interim financial statements included in this Form 10-Q as well as the audited financial statements included in Item 8. Financial Statements and Supplementary Financial Data in the Bank's 2012 Form 10-K.

Summary of Financial Results

Net Income and Return on Average Equity. The Bank recorded net income of $43.5 million for the third quarter of 2013, compared to $33.0 million for the third quarter of 2012. This improvement was driven primarily by net gains on the early extinguishment of debt and higher net gains on derivatives and hedging activities, partially offset by lower net interest income. Net gains on the early extinguishment of debt recognized during the third quarter of 2013 totaled $9.6 million. Net gains on derivatives and hedging activities were $5.4 million in the third quarter of 2013 compared to net gains of $3.5 million in the third quarter of 2012. Net interest income was $47.5 million for the third quarter of 2013 compared to $50.0 million in the third quarter of 2012, a decrease of $2.5 million which was primarily due to lower prepayment fees on advances. Lower interest income from advances, investments, and mortgage loans held for portfolio was mostly offset by lower interest expense on consolidated obligations. The Bank's return on average equity for the third quarter of 2013 was 5.11%, compared to 3.74% for the third quarter of 2012.

The Bank recorded net income of $104.1 million for the first nine months of 2013, compared to $78.0 million for the same prior-year period. This increase was driven primarily by higher net gains on derivatives and hedging activities, lower net OTTI credit losses and the impact of the third quarter 2013 net gains on the early extinguishment of debt, partially offset by lower net interest income. Net gains on derivatives and hedging activities were $14.1 million for the first nine months of 2013 compared to $2.6 million for the same period in 2012. Net OTTI credit losses were $0.4 million and $11.0 million, respectively, for the first nine months of 2013 and 2012. Net interest income was $135.0 million, for the first nine months of 2013, a decrease of

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$7.1 million from $142.1 million in the same prior year period. Lower net interest income for the first nine months of 2013 was primarily due to lower prepayment fees on advances. Lower interest income from advances, investments and mortgage loans held for portfolio was more than offset by lower interest expense on consolidated obligations. The Bank's return on average equity for the first nine months of 2013 was 4.05%, compared to 2.99% for the comparable prior year period.

Net Interest Income

The following tables summarize the yields on interest-earning assets, rates paid on interest-bearing liabilities, the average balance for each of the primary balance sheet classifications, and the net interest margin for the three months and nine months ended September 30, 2013 and 2012.

Average Balances and Interest Yields/Rates Paid

	Three months ended September 30,
	2013						2012
(dollars in millions)	Average Balance			Interest Income/ Expense		Avg. Yield/ Rate (%)	Average Balance			Interest Income/ Expense		Avg. Yield/ Rate (%)
Assets:
Federal funds sold and securities purchased under agreements to resell (1)	$	5,107.9		$	0.7	0.06	$	6,238.1		$	2.3	0.14
Interest-bearing deposits (2)	530.2			0.1		0.08	469.8			0.2		0.15
Investment securities (3)	11,407.6			53.8		1.87	14,466.2			64.6		1.78
Advances (4)	38,913.3			55.5		0.57	34,861.2			68.3		0.78
Mortgage loans held for portfolio (5)	3,345.2			34.3		4.06	3,613.3			41.3		4.55
Total interest-earning assets	59,304.2			144.4		0.96	59,648.6			176.7		1.18
Allowance for credit losses	(14.5		)				(16.7		)
Other assets (6)	590.6						602.7
Total assets	$	59,880.3					$	60,234.6
Liabilities and capital:
Deposits (2)	$	728.9		$	0.1	0.03	$	1,039.9		$	0.1	0.05
Consolidated obligation discount notes	17,314.4			3.7		0.08	20,116.6			6.4		0.13
Consolidated obligation bonds (7)	37,357.5			92.8		0.99	34,096.0			120.0		1.40
Other borrowings	88.5			0.3		1.43	199.9			0.2		0.42
Total interest-bearing liabilities	55,489.3			96.9		0.69	55,452.4			126.7		0.91
Other liabilities	1,018.1						1,273.9
Total capital	3,372.9						3,508.3
Total liabilities and capital	$	59,880.3					$	60,234.6
Net interest spread						0.27						0.27
Impact of noninterest-bearing funds						0.05						0.06
Net interest income/net interest margin				$	47.5	0.32				$	50.0	0.33

Notes:

⁽¹⁾ The average balance of Federal funds sold and securities purchased under agreements to resell and the related interest income and average yield calculations may include loans to other FHLBanks.

⁽²⁾ Average balances of deposits (assets and liabilities) include cash collateral received from/paid to counterparties which is reflected in the Statement of Condition as derivative assets/liabilities.

⁽³⁾ Investment securities include trading, AFS and HTM securities. The average balances of AFS and HTM are reflected at amortized cost; therefore, the resulting yields do not give effect to changes in fair value or the noncredit component of a previously recognized OTTI reflected in AOCI.

⁽⁴⁾ Average balances reflect noninterest-earning hedge accounting adjustments of $0.6 billion and $1.1 billion in 2013 and 2012, respectively.

⁽⁵⁾ Nonaccrual mortgage loans are included in average balances in determining the average rate.

⁽⁶⁾ The non-credit portion of OTTI losses on investment securities is reflected in other assets for purposes of the average balance sheet presentation.

⁽⁷⁾ Average balances reflect noninterest-bearing hedge accounting adjustments of $(93.6) million and $313.6 million in 2013 and 2012, respectively.

Net interest income for the third quarter of 2013 decreased $2.5 million from the third quarter of 2012 primarily due to a$2.2 million decline in prepayment fees on advances. Lower interest income on advances, investments and mortgage loans held for portfolio was mostly offset by lower interest expense on consolidated obligations. Advance volume increased, however demand was generally in low yield products which resulted in a decline in interest income in the comparison. Interest income

8

on investments declined due to lower volume while interest income on mortgage loans declined due to both lower volume and the run-off of higher-yielding assets that have been replaced with lower-yielding assets.

Average Balances and Interest Yields/Rates Paid

	Nine months ended September 30,
	2013						2012
(dollars in millions)	Average Balance			Interest Income/ Expense		Avg. Yield/ Rate (%)	Average Balance			Interest Income/ Expense		Avg. Yield/ Rate (%)
Assets:
Federal funds sold and securities purchased under agreements to resell (1)	$	5,835.1		$	4.1	0.10	$	4,986.9		$	5.0	0.13
Interest-bearing deposits (2)	452.3			0.4		0.11	508.1			0.5		0.13
Investment securities (3)	11,527.4			163.6		1.90	14,314.9			201.7		1.88
Advances (4)	38,028.3			169.9		0.60	32,802.1			211.3		0.86
Mortgage loans held for portfolio (5)	3,443.2			107.5		4.17	3,703.5			128.8		4.65
Total interest-earning assets	59,286.3			445.5		1.00	56,315.5			547.3		1.30
Allowance for credit losses	(15.6		)				(17.0		)
Other assets (6)	655.3						600.1
Total assets	$	59,926.0					$	56,898.6
Liabilities and capital:
Deposits (2)	$	860.6		$	0.3	0.04	$	1,122.3		$	0.4	0.05
Consolidated obligation discount notes	17,417.2			13.5		0.10	15,940.6			12.3		0.10
Consolidated obligation bonds (7)	36,947.2			295.4		1.07	34,793.5			392.1		1.51
Other borrowings	264.4			1.3		0.68	207.3			0.4		0.22
Total interest-bearing liabilities	55,489.4			310.5		0.75	52,063.7			405.2		1.04
Other liabilities	998.6						1,351.2
Total capital	3,438.0						3,483.7
Total liabilities and capital	$	59,926.0					$	56,898.6
Net interest spread						0.25						0.26
Impact of noninterest-bearing funds						0.05						0.08
Net interest income/net interest margin				$	135.0	0.30				$	142.1	0.34

Notes:

⁽¹⁾The average balance of Federal funds sold and securities purchased under agreements to resell and the related interest income and average yield calculations may include loans to other FHLBanks.

⁽²⁾Average balances of deposits (assets and liabilities) include cash collateral received from/paid to counterparties which is reflected in the Statement of Condition as derivative assets/liabilities.

⁽³⁾Investment securities include trading, AFS and HTM securities. The average balances of AFS and HTM securities are reflected at amortized cost; therefore, the resulting yields do not give effect to changes in fair value or the noncredit component of a previously recognized OTTI reflected in AOCI.

⁽⁴⁾Average balances reflect noninterest-earning hedge accounting adjustments of $0.7 billion and $1.2 billion in 2013 and 2012, respectively.

⁽⁵⁾Nonaccrual mortgage loans are included in average balances in determining the average rate.

⁽⁶⁾The non-credit portion of OTTI losses on investment securities is reflected in other assets for purposes of the average balance sheet presentation.

⁽⁷⁾Average balances reflect noninterest-bearing hedge accounting adjustments of $74.7 million and $322.4 million in 2013 and 2012, respectively.

Net interest income for the nine months ended September 30, 2013 declined $7.1 million from the same year-ago period. This decline was due to a $12.1 million decrease in prepayment fees on advances. Excluding prepayment fees, net interest income increased, as lower interest expense on consolidated obligations more than offset lower interest income on advances, investments and mortgage loans held for portfolio. The rates paid on interest-bearing liabilities declined 29 basis points due to lower funding costs on bonds. Interest-earning assets increased 5.3% with higher demand for advances being partially offset by lower investments. While advance volume increased, demand was generally in low yield products which resulted in a decline in interest income in the comparison. Interest income on investments declined due to lower volume while interest income on mortgage loans declined due to both lower volume and the run-off of higher yielding assets that have been replaced with lower yielding assets. Additionally, the impact of noninterest-bearing funds has decreased three basis points due to lower average capital resulting from additional repurchases of excess capital stock.

9

Rate/Volume Analysis. Changes in both volume and interest rates influence changes in net interest income and net interest margin. The following table summarizes changes in interest income and interest expense between the three and nine months ended September 30, 2013 and 2012.

	Increase (Decrease) in Interest Income/Expense Due to Changes in Rate/Volume
	2013 compared to 2012
	Three Months Ended September 30									Nine Months Ended September 30
(in millions)	Volume			Rate			Total			Volume			Rate			Total
Federal funds sold	$	(0.4	)	$	(1.2	)	$	(1.6	)	$	0.7		$	(1.6	)	$	(0.9	)
Interest-bearing deposits	—			(0.1		)	(0.1		)	—			(0.1		)	(0.1		)
Investment securities	(14.0		)	3.2			(10.8		)	(39.7		)	1.6			(38.1		)
Advances	7.5			(20.3		)	(12.8		)	29.9			(71.3		)	(41.4		)
Mortgage loans held for portfolio	(2.8		)	(4.2		)	(7.0		)	(8.8		)	(12.5		)	(21.3		)
Total interest-earning assets	$	(9.7	)	$	(22.6	)	$	(32.3	)	$	(17.9	)	$	(83.9	)	$	(101.8	)
Interest-bearing deposits	$	—		$	—		$	—		$	(0.1	)	$	—		$	(0.1	)
Consolidated obligation discount notes	(0.8		)	(1.9		)	(2.7		)	1.2			—			1.2
Consolidated obligation bonds	11.0			(38.2		)	(27.2		)	22.7			(119.4		)	(96.7		)
Other borrowings	(0.2		)	0.3			0.1			0.1			0.8			0.9
Total interest-bearing liabilities	$	10.0		$	(39.8	)	$	(29.8	)	$	23.9		$	(118.6	)	$	(94.7	)
Total increase (decrease) in net interest income	$	(19.7	)	$	17.2		$	(2.5	)	$	(41.8	)	$	34.7		$	(7.1	)

Due to rate and volume declines, interest income and interest expense decreased in both the quarter-over-quarter and year-over-year comparisons. For both comparisons, the decline in interest income was driven by rate and volume declines, while the interest expense decline was rate driven, partially offset by volume increases. The decline in interest income was from the investment portfolio, advances portfolio and mortgage loans held for portfolio. The decrease in interest expense was primarily related to a decrease in rates paid on consolidated obligation bonds.

Average investment balances decreased quarter-over-quarter and year-over-year. The decline was driven by lower certificates of deposit, U.S. Treasury bill and MBS balances, partially offset by increases in Agency notes. Agency MBS balances decreased as the run-off of the existing portfolio exceeded purchases of new investments. The Bank has not purchased any private label MBS since late 2007, purchasing only Agency and GSE MBS since 2008, including approximately $0.7 billion in 2013. The rate increase was primarily related to the reduced levels of lower-yielding certificates of deposit and U.S. Treasury bills in the portfolio.

The following table presents the average par balances of the Bank's advance portfolio for the three and nine months ended September 30, 2013 and 2012. These balances do not reflect any hedge accounting adjustments.

(in millions)	Three months ended September 30,				Nine months ended September 30,
Product	2013		2012		2013		2012
Repo/Mid-Term Repo	$	11,996.7	$	12,120.0	$	12,197.2	$	10,865.1
Core (Term)	24,038.4		18,542.5		22,760.3		17,239.4
Convertible Select	2,268.8		3,028.3		2,355.5		3,479.0
Total par value	$	38,303.9	$	33,690.8	$	37,313.0	$	31,583.5

While there was an increase in advance volume, interest income decreased quarter-over-quarter and year-over-year due to a decrease in the yield. Demand for advances (par) increased in 2012 and continued throughout the first three quarters of 2013. Attractive advance rates and members' liquidity needs contributed to the recent increase in advance balances. Growth was driven by strong demand for short-term products by several of the Bank's large members earlier in 2013. However, recent paydowns by these members has been offset by growth in advances from small and mid-size members. The yield on this portfolio declined in both comparisons as the third quarter and year-to-date 2013 portfolios were comprised of more variable rate advances with relatively lower yields.

The average mortgage loans held for portfolio declined quarter-over-quarter and year-over-year due to the continued run-off of the existing portfolio, which more than offset purchases of new loans. Interest income decreased due to the lower average

10

portfolio balances and a lower yield on the remaining portfolio. The yield decrease was primarily due to new lower yielding mortgage loans replacing the run-off of higher yielding loans.

The average consolidated obligations portfolio balance increased quarter-over-quarter as increased average bond balances were partially offset by decreased discount note balances. In the year-over-year comparison bond and discount note balances both increased. However, interest expense on bonds declined in both comparisons due to a decrease in rates paid, which more than offset the volume increase. The rate decrease was primarily due to longer term debt that was called or matured and then replaced with lower cost bonds. A portion of the bond portfolio is currently swapped to 3-month LIBOR; therefore, as the LIBOR rate (decreases) increases, interest expense on swapped bonds, including the impact of swaps, (decreases) increases. See details regarding the impact of swaps on the rates paid in the “Interest Income Derivatives Effects” discussion below.

Market conditions continued to impact the cost of the Bank's consolidated obligations. Short-term funding levels relative to LIBOR are at more customary levels as European concerns have faded. Long-term funding levels have gradually improved from increased investor demand as a result of the Federal Reserve's continued quantitative easing. Funding levels remained relatively stable into 2013 until late in the second quarter when spreads to LIBOR widened, along with other fixed income securities, due to uncertainty surrounding future Federal Reserve bond purchases. These wider spreads persisted in the third quarter of 2013.

Interest Income Derivative Effects. The following tables separately quantify the effects of the Bank's derivative activities on its interest income and interest expense for the three and nine months ended September 30, 2013 and 2012. Derivative and hedging activities are discussed below.

Three Months Ended September 30, 2013 (dollars in millions)	Average Balance		Interest Inc./  Exp. with Derivatives		Avg. Yield/ Rate (%)	Interest Inc./ Exp. without Derivatives		Avg. Yield/ Rate (%)	Impact of Derivatives(1)			Incr./ (Decr.) (%)
Assets:
Advances	$	38,913.3	$	55.5	0.57	$	122.2	1.25	$	(66.7	)	(0.68	)
Mortgage loans held for  portfolio	3,345.2		34.3		4.06	35.3		4.17	(1.0		)	(0.11	)
All other interest-earning  assets	17,045.7		54.6		1.27	55.5		1.27	(0.9		)	—
Total interest-earning  assets	$	59,304.2	$	144.4	0.96	$	213.0	1.42	$	(68.6	)	(0.46	)
Liabilities:
Consolidated obligation  bonds	$	37,357.5	$	92.8	0.99	$	158.5	1.68	$	(65.7	)	(0.69	)
All other interest-bearing  liabilities	18,131.8		4.1		0.09	4.1		0.09	—			—
Total interest-bearing  liabilities	$	55,489.3	$	96.9	0.69	$	162.6	1.16	$	(65.7	)	(0.47	)
Net interest income/net  interest spread			$	47.5	0.27	$	50.4	0.26	$	(2.9	)	0.01

11

Three Months Ended September 30, 2012 (dollars in millions)	Average Balance		Interest Inc./  Exp. with Derivatives		Avg. Yield/ Rate (%)	Interest Inc./ Exp. without Derivatives		Avg. Yield/ Rate (%)	Impact of Derivatives(1)			Incr./ (Decr.) (%)
Assets:
Advances	$	34,861.2	$	68.3	0.78	$	168.7	1.92	$	(100.4	)	(1.14	)
Mortgage loans held for  portfolio	3,613.3		41.3		4.55	42.1		4.64	(0.8		)	(0.09	)
All other interest-earning  assets	21,174.1		67.1		1.26	67.1		1.26	—			—
Total interest-earning  assets	$	59,648.6	$	176.7	1.18	$	277.9	1.85	$	(101.2	)	(0.67	)
Liabilities:
Consolidated obligation  bonds	$	34,096.0	$	120.0	1.40	$	171.0	2.00	$	(51.0	)	(0.60	)
All other interest-bearing  liabilities	21,356.4		6.7		0.13	6.7		0.13	—			—
Total interest-bearing  liabilities	$	55,452.4	$	126.7	0.91	$	177.7	1.28	$	(51.0	)	(0.37	)
Net interest income/net  interest spread			$	50.0	0.27	$	100.2	0.57	$	(50.2	)	(0.30	)

Nine Months Ended September 30, 2013 (dollars in millions)	Average Balance		Interest Inc./  Exp. with Derivatives		Avg. Yield/ Rate (%)	Interest Inc./ Exp. without Derivatives		Avg. Yield/ Rate (%)	Impact of Derivatives(1)			Incr./ (Decr.) (%)
Assets:
Advances	$	38,028.3	$	169.9	0.60	$	367.6	1.29	$	(197.7	)	(0.69	)
Mortgage loans held for  portfolio	3,443.2		107.5		4.17	110.6		4.29	(3.1		)	(0.12	)
All other interest-earning  assets	17,814.8		168.1		1.26	169.0		1.26	(0.9		)	—
Total interest-earning  assets	$	59,286.3	$	445.5	1.00	$	647.2	1.45	$	(201.7	)	(0.45	)
Liabilities:
Consolidated obligation  bonds	$	36,947.2	$	295.4	1.07	$	482.7	1.75	$	(187.3	)	(0.68	)
All other interest-bearing  liabilities	18,542.2		15.1		0.11	15.1		0.11	—			—
Total interest-bearing  liabilities	$	55,489.4	$	310.5	0.75	$	497.8	1.20	$	(187.3	)	(0.45	)
Net interest income/net  interest spread			$	135.0	0.25	$	149.4	0.25	$	(14.4	)	—

12

Nine Months Ended September 30, 2012 (dollars in millions)	Average Balance		Interest Inc./  Exp. with Derivatives		Avg. Yield/ Rate (%)	Interest Inc./ Exp. without Derivatives		Avg. Yield/ Rate (%)	Impact of Derivatives(1)			Incr./ (Decr.) (%)
Assets:
Advances	$	32,802.1	$	211.3	0.86	$	527.6	2.15	$	(316.3	)	(1.29	)
Mortgage loans held for  portfolio	3,703.5		128.8		4.65	131.4		4.74	(2.6		)	(0.09	)
All other interest-earning  assets	19,809.9		207.2		1.40	207.2		1.40	—			—
Total interest-earning  assets	$	56,315.5	$	547.3	1.30	$	866.2	2.05	$	(318.9	)	(0.75	)
Liabilities:
Consolidated obligation  bonds	$	34,793.5	$	392.1	1.51	$	545.3	2.09	$	(153.2	)	(0.58	)
All other interest-bearing  liabilities	17,270.2		13.1		0.10	13.1		0.10	—			—
Total interest-bearing  liabilities	$	52,063.7	$	405.2	1.04	$	558.4	1.43	$	(153.2	)	(0.39	)
Net interest income/net  interest spread			$	142.1	0.26	$	307.8	0.62	$	(165.7	)	(0.36	)

Note:

⁽¹⁾ Impact of Derivatives includes net interest settlements, amortization of basis adjustments resulting from previously terminated hedging relationships and the amortization of the market value of mortgage purchase commitments classified as derivatives at the time the commitment settled.

The impact of derivatives reduced net interest income for the three and nine months ended September 30, 2013 and 2012. Net interest income for the 2012 periods was reduced more significantly by the use of derivatives than the 2013 periods. The impact of derivatives had comparatively little or no impact on the net interest spread for the third quarter and nine months ended September 30, 2013, but net interest spread was significantly reduced in the comparable 2012 periods. The Bank uses derivatives to hedge the fair market value changes attributable to the change in the LIBOR benchmark interest rate. The Bank generally uses interest rate swaps to hedge a portion of investments, advances and consolidated obligations which convert the interest rates on those instruments from a fixed rate to a LIBOR-based variable rate. The purpose of this strategy is to protect the interest rate spread (i.e., the return on the Bank's assets versus its cost of funds). Using derivatives to convert interest rates from fixed to variable can increase or decrease net interest income from the amount that would have occurred without derivatives. The variances in the advances and consolidated obligation derivative impacts from period to period are driven by the change in the average LIBOR-based variable rate, the timing of interest rate resets and the average hedged portfolio balances outstanding during any given period.

The Bank uses many different funding and hedging strategies. One strategy involves closely match-funding bullet advances with bullet debt. This is designed in part to avoid the use of derivatives where prudent and reduce the Bank's reliance on short-term funding.

Provision (Benefit) for Credit Losses. The provision (benefit) for credit losses on mortgage loans held for portfolio and Banking on Business (BOB) loans for the third quarter of 2013 was $(0.7) million compared to $(0.2) million for the same period in 2012. For the nine months ended September 30, 2013 and 2012, the provision (benefit) for credit losses on mortgage loans held for portfolio and BOB loans was $(2.0) million and $39 thousand, respectively. The decrease in each of these comparison periods was primarily due to a decrease in the projected losses on the MPF Plus portfolio as a result of continuing declines in foreclosure and delinquency balances. In addition, the estimated life of the MPF Plus portfolio extended as a result of rising interest rates, which increased the estimate of future credit enhancement (CE) fees available to offset projected losses.

13

Other Noninterest Income (Loss)

	Three months ended September 30,					Nine months ended September 30,
(in millions)	2013		2012			2013			2012
Total OTTI losses	$	—	$	—		$	—		$	(2.2	)
OTTI losses reclassified (from) AOCI	—		(0.2		)	(0.4		)	(8.8		)
Net OTTI losses, credit portion	—		(0.2		)	(0.4		)	(11.0		)
Net gains on trading securities	0.2		0.2			0.5			0.3
Net gains on derivatives and hedging activities	5.4		3.5			14.1			2.6
Net gains on extinguishments of debt	9.6		—			9.6			—
Other, net	2.6		0.9			8.7			5.4
Total other noninterest income (loss)	$	17.8	$	4.4		$	32.5		$	(2.7	)

The Bank's higher other noninterest income for the third quarter and the first nine months of 2013 compared to the same prior year periods reflected net gains on the early extinguishments of debt, lower net OTTI credit losses, and higher net gains on derivatives and hedging activities. During the third quarter of 2013, the Bank had two repurchases of swapped callable bonds totaling $758 million, resulting in a net gain of $9.6 million. See additional discussion of OTTI charges in "Credit and Counterparty Risk - Investments" in the Risk Management section of this Item 2. The activity related to derivatives and hedging activities is discussed in more detail below.

Derivatives and Hedging Activities. The Bank enters into interest rate swaps, caps, floors and swaption agreements, referred to collectively as interest rate exchange agreements and more broadly as derivatives transactions. The Bank enters into derivatives transactions to offset all or portions of the financial risk exposures inherent in its member lending, investment and funding activities. All derivatives are recorded on the balance sheet at fair value. Changes in derivatives fair values are either recorded in the Statement of Income or AOCI within the Capital section of the Statement of Condition, depending on the hedging strategy.

The Bank's hedging strategies consist of fair value and cash flow accounting hedges as well as economic hedges. Fair value hedges are discussed in more detail below. Economic hedges address specific risks inherent in the Bank's balance sheet, but they do not qualify for hedge accounting. As a result, income recognition on the derivatives in economic hedges may vary considerably compared to the timing of income recognition on the underlying asset or liability. The Bank does not enter into derivatives for speculative purposes nor does it have any cash flow hedges.

Regardless of the hedge strategy employed, the Bank's predominant hedging instrument is an interest rate swap. At the time of inception, the fair market value of an interest rate swap generally equals or is close to zero. Notwithstanding the exchange of interest payments made during the life of the swap, which are recorded as either interest income/expense or as a gain (loss) on derivatives, depending upon the accounting classification of the hedging instrument, the fair value of an interest rate swap returns to zero at the end of its contractual term. Therefore, although the fair value of an interest rate swap is likely to change over the course of its full term, upon maturity any unrealized gains and losses generally net to zero.

14

The following tables detail the net effect of derivatives and hedging activities for the three and nine months ended September 30, 2013 and 2012.

	Three months ended September 30, 2013
(in millions)	Advances			Investments			Mortgage Loans			Bonds		Total
Net interest income:
Amortization/accretion of hedging activities in net interest     income (1)	$	(2.2	)	$	—		$	(1.0	)	$	7.8	$	4.6
Net interest settlements included in net interest income (2)	(64.5		)	(0.9		)	—			57.9		(7.5		)
Total effect on net interest income	$	(66.7	)	$	(0.9	)	$	(1.0	)	$	65.7	$	(2.9	)
Net gains (losses) on derivatives and hedging activities:
Gains on fair value hedges	$	1.9		$	0.8		$	—		$	0.4	$	3.1
Gains (losses) on derivatives not receiving hedge accounting	(3.8		)	(5.1		)	1.5			9.7		2.3
Total net gains (losses) on derivatives and hedging activities	$	(1.9	)	$	(4.3	)	$	1.5		$	10.1	$	5.4
Total net effect of derivatives and hedging activities	$	(68.6	)	$	(5.2	)	$	0.5		$	75.8	$	2.5

	Three months ended September 30, 2012
(in millions)	Advances			Investments			Mortgage Loans			Bonds		Total
Net interest income:
Amortization/accretion of hedging activities in net interest     income (1)	$	(7.2	)	$	—		$	(0.8	)	$	6.8	$	(1.2	)
Net interest settlements included in net interest income (2)	(93.2		)	—			—			44.2		(49.0		)
Total effect on net interest income	$	(100.4	)	$	—		$	(0.8	)	$	51.0	$	(50.2	)
Net gains (losses) on derivatives and hedging activities:
Gains on fair value hedges	$	0.5		$	—		$	—		$	0.9	$	1.4
Gains (losses) on derivatives not receiving hedge accounting	(0.1		)	(1.0		)	2.0			1.2		2.1
Total net gains (losses) on derivatives and hedging activities	$	0.4		$	(1.0	)	$	2.0		$	2.1	$	3.5
Total net effect of derivatives and hedging activities	$	(100.0	)	$	(1.0	)	$	1.2		$	53.1	$	(46.7	)

	Nine months ended September 30, 2013
(in millions)	Advances			Investments			Mortgage Loans			Bonds			Total
Net interest income:
Amortization/accretion of hedging activities in net interest     income (1)	$	(7.2	)	$	—		$	(3.1	)	$	24.3		$	14.0
Net interest settlements included in net interest income (2)	(190.5		)	(0.9		)	—			163.0			(28.4		)
Total effect on net interest income	$	(197.7	)	$	(0.9	)	$	(3.1	)	$	187.3		$	(14.4	)
Net gains (losses) on derivatives and hedging activities:
Gains on fair value hedges	$	2.2		$	0.9		$	—		$	0.9		$	4.0
Gains (losses) on derivatives not receiving hedge accounting	0.6			11.2			14.0			(15.7		)	10.1
Total net gains (losses) on derivatives and hedging activities	$	2.8		$	12.1		$	14.0		$	(14.8	)	$	14.1
Total net effect of derivatives and hedging activities	$	(194.9	)	$	11.2		$	10.9		$	172.5		$	(0.3	)

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	Nine months ended September 30, 2012
(in millions)	Advances			Investments			Mortgage Loans			Bonds		Total
Net interest income:
Amortization/accretion of hedging activities in net interest     income (1)	$	(26.9	)	$	—		$	(2.6	)	$	22.7	$	(6.8	)
Net interest settlements included in net interest income (2)	(289.4		)	—			—			130.5		(158.9		)
Total effect on net interest income	$	(316.3	)	$	—		$	(2.6	)	$	153.2	$	(165.7	)
Net gains (losses) on derivatives and hedging activities:
Gains on fair value hedges	$	1.2		$	—		—			$	2.1	$	3.3
Gains (losses) on derivatives not receiving hedge accounting	(0.7		)	(4.7		)	2.4			2.3		(0.7		)
Total net gains (losses) on derivatives and hedging activities	$	0.5		$	(4.7	)	$	2.4		$	4.4	$	2.6
Total net effect of derivatives and hedging activities	$	(315.8	)	$	(4.7	)	$	(0.2	)	$	157.6	$	(163.1	)

Notes:

⁽¹⁾ Represents the amortization/accretion of hedging fair value adjustments for both open and closed hedge positions.

⁽²⁾ Represents interest income/expense on derivatives included in net interest income.

Fair Value Hedges. The Bank uses fair value hedge accounting treatment for most of its fixed-rate advances and consolidated obligations using interest rate swaps. The interest rate swaps convert these fixed-rate instruments to a variable-rate (i.e. LIBOR). During the third quarter of 2013, total ineffectiveness related to these fair value hedges resulted in net gains of $3.1 million compared to net gains of $1.4 million during the third quarter of 2012. For the nine months ended September 30, 2013 and 2012, the Bank recorded net gains of $4.0 million and $3.3 million, respectively. The total notional amount decreased to $24.2 billion at September 30, 2013 from $25.7 billion at December 31, 2012. Fair value hedge ineffectiveness represents the difference between the change in the fair value of the derivative compared to the change in the fair value of the underlying asset/liability hedged. Fair value hedge ineffectiveness is generated by movement in the benchmark interest rate being hedged and by other structural characteristics of the transaction involved. For example, the presence of an upfront fee associated with a structured debt hedge will introduce valuation differences between the hedge and hedged item that will fluctuate over time.

Derivatives not receiving hedge accounting. For derivatives not receiving hedge accounting, also referred to as “economic hedges,” the Bank includes the net interest income and the changes in the fair value of the hedges in the "Net gains (losses) on derivatives and hedging activities" financial statement line item. For economic hedges, the Bank recorded net gains of $2.3 million in the third quarter of 2013 compared to net gains of $2.1 million for the third quarter of 2012. For the nine months ended 2013 and 2012, the Bank recorded net gains of $10.1 million and net losses of $(0.7) million, respectively. The total notional amount of economic hedges was $9.7 billion at September 30, 2013 and $5.5 billion at December 31, 2012.

Financial Condition

The following should be read in conjunction with the Bank's unaudited interim financial statements in this Form 10-Q and the audited financial statements in the Bank's 2012 Form 10-K.

Assets

Total assets were $61.6 billion at September 30, 2013, compared to $64.6 billion at December 31, 2012. The decline was primarily due to decrease of $3.1 billion of securities purchased under agreements to resell and Federal funds sold. The following provides additional details regarding the primary components of the Statement of Condition.

Core Mission Assets. As previously noted, the Finance Agency has communicated its interest in keeping all of the FHLBanks focused on activities related to their missions, such as making advances. The Finance Agency continues to engage in dialog with the FHLBanks regarding their housing finance mission and levels of mission-related assets.

Advances. Advances (par) totaled $38.9 billion at September 30, 2013 compared to $39.7 billion at December 31, 2012. This slight decrease was due a significant decline in the Repo product category, partially offset by an increase in the product categories of Returnables and Core (Term). Due to attractive advance rates, members shifted their focus from short-term to long-term advance products. At September 30, 2013, the Bank had advances outstanding to 180 borrowing members, compared to 178 borrowing members at December 31, 2012. A significant amount of the advances continued to be generated from the Bank’s five largest borrowers, reflecting the asset concentration mix of the Bank’s membership base. Total advances

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outstanding to the Bank’s five largest members represented 76.0% of total advances as of September 30, 2013 compared to 79.9% at December 31, 2012.

The following table provides information (at par excluding discounts, deferred prepayment fees, and hedging adjustments as reflected in the Statement of Condition) on advances by different product type at September 30, 2013 and December 31, 2012.

	September 30,		December 31,
in millions	2013		2012
Adjustable/variable-rate indexed:
Repo/Mid-Term Repo	$	2,490.0	$	1,005.0
Core (Term)	9,020.7		7,020.5
Returnables	—		400.0
Total adjustable/variable-rate indexed	$	11,510.7	$	8,425.5
Fixed rate:
Repo/Mid-Term Repo	$	11,064.0	$	15,712.3
Core (Term)	6,831.3		6,665.8
Returnables	7,000.0		6,000.0
Total fixed rate	$	24,895.3	$	28,378.1
Convertible	$	2,245.5	$	2,575.5
Amortizing/mortgage-matched:
Core (Term)	$	253.6	$	291.7
Total par balance	$	38,905.1	$	39,670.8

The Bank had no putable advances at September 30, 2013 or December 31, 2012.

The following table provides a distribution of the number of members, categorized by individual member asset size that had an outstanding average advance balance during the nine months ended September 30, 2013 and the year ended December 31, 2012.

	September 30,		December 31,
Member Asset Size	2013		2012
Less than $100 million	22		26
Between $100 million and $500 million	111		111
Between $500 million and $1 billion	48		47
Between $1 billion and $5 billion	29		28
Greater than $5 billion	16		14
Total borrowing members during the year	226		226
Total membership	298		294
Percentage of members borrowing during the period	75.8	%	76.9	%
Total borrowing members with outstanding loan balances at period-end	180		178
Percentage of members borrowing at period-end	60.4	%	60.5	%

During 2013, the Bank has experienced a net increase of four members. The Bank added seven new members and lost three members. One member relocated out of the Bank's district and two members were merged with other institutions within the Bank's district.

See the “Credit and Counterparty Risk - TCE and Collateral” discussion in the Risk Management section of this Item 2 for further information on collateral policies and practices and details regarding eligible collateral, including amounts and percentages of eligible collateral securing member advances as of September 30, 2013.

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Mortgage Loans Held for Portfolio.Mortgage loans held for portfolio, net of allowance for credit losses decreased $254.8 million, to $3.3 billion at September 30, 2013. New portfolio activity has been negatively impacted by rising mortgage rates in recent months.

Balances regarding the Bank’s loan products are summarized below. The Bank places conventional mortgage loans that are 90 days or more delinquent on nonaccrual status and records cash payments received as a reduction of principaluntil the remaining principal amount due is expected to be collected and then as a recovery of any charge-off, if applicable, followed by recording interest income.

However, government guaranteed mortgage loans that are 90 days or more delinquent remain in accrual status due to guarantees or insurance.The Bank has a loan modification program for PFIs under the MPF Program. On non-government guaranteed loans, the Bank considers loan modifications or Chapter 7 bankruptcies where the obligation is discharged under the MPF Program to be troubled debt restructurings (TDRs), as some form of concession has been made by the Bank.

	September 30,		December 31,
(in millions)	2013		2012
Advances(1)	$	39,505.9	$	40,497.8
Mortgage loans held for portfolio, net(2)	3,277.7		3,532.5
Nonaccrual mortgage loans(3)	60.1		72.5
Mortgage loans 90 days or more delinquent and still accruing interest(4)	7.9		7.2
BOB loans, net	11.2		12.8
Nonaccrual BOB loans	0.5		0.6

Notes:

⁽¹⁾ There are no advances which are past due or on nonaccrual status.

⁽²⁾ All mortgage loans are fixed-rate. Balances are reflected net of the allowance for credit losses. Includes TDRs of $13.0 million and $10.2 million at September 30, 2013 and December 31, 2012, respectively.

⁽³⁾ Nonaccrual mortgage loans are reported net of interest applied to principal.

⁽⁴⁾ Only government-insured or -guaranteed loans continue to accrue interest after becoming 90 days or more delinquent.

The performance of the mortgage loans in the Bank’s MPF Program has improved since year-end 2012. As of September 30, 2013, the Bank’s seriously delinquent mortgage loans (90 days or more delinquent or in the process of foreclosure) represented 0.6% of the MPF Original portfolio and 4.3% of the MPF Plus portfolio compared with 0.8% and 3.9%, respectively, at December 31, 2012. The actual amount of MPF Plus seriously delinquent loans and foreclosures has fallen from December 31, 2012 to September 30, 2013, but due to the run-off of the MPF Plus portfolio, the percentages have increased.

The allowance for credit losses (ACL) on mortgage loans is based on the losses inherent in the Bank's mortgage loan portfolio after taking into consideration the CE structure of the MPF Program. Probability of default and loss given default are based on the actual 12 month historical performance of the Bank's mortgage loans. Probability of default is based on a migration analysis, and loss given default is based on realized losses incurred on the sale of mortgage loan collateral including a factor that reduces estimated proceeds from PMI given the credit deterioration experienced by those companies. The resulting estimated loss is reduced by the CE structure of the MPF Program, discussed below.

The CE structure of the MPF Program is designed such that initial losses on mortgage loans are incurred by the Bank up to an agreed upon amount, referred to as the first loss account (FLA). Additional eligible credit losses are covered by CEs provided by PFIs (available CE) until exhausted. Certain losses incurred by the Bank on MPF Plus can be recaptured by withholding fees paid to the PFI for its retention of credit risk. All additional losses are incurred by the Bank. The following table presents the impact of the CE structure on the ACL and the balance of the FLA and available CE at September 30, 2013 and December 31, 2012.

	MPF CE structure September 30, 2013				ACL September 30, 2013
(in millions)	FLA		Available CE		Estimate of Credit loss		Reduction to the ACL due to CE			ACL
MPF Original	$	2.6	$	128.8	$	2.5	$	(1.8	)	$	0.7
MPF Plus	23.7		43.6		24.6		(14.1		)	10.5

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	MPF CE structure December 31, 2012				ACL December 31, 2012
(in millions)	FLA		Available CE		Estimate of Credit loss		Reduction to the ACL due to CE			ACL
MPF Original	$	2.6	$	109.4	$	4.1	$	(2.9	)	$	1.2
MPF Plus	27.4		46.2		27.8		(14.8		)	13.0

Investments. At September 30, 2013, the sum of the Bank's interest-bearing deposits, securities purchased under agreements to resell, and Federal funds sold decreased approximately $3.1 billion from December 31, 2012 as the Bank's liquidity needs declined in the first nine months of 2013. The Bank's strategy is to maintain its short-term liquidity position in part to be able to meet members' loan demand and regulatory liquidity requirements.

Investment securities (trading, AFS, and HTM securities) totaled $11.6 billion at September 30, 2013 compared to $12.0 billion at December 31, 2012. Details of the investment securities portfolio follow.

	Carrying Value
(in millions)	September 30, 2013		December 31, 2012
Trading securities:
Non-MBS:
GSE securities	$	53.6	$	—
U.S. Treasury bills	—		350.0
Mutual funds	4.2		3.6
Total trading securities	$	57.8	$	353.6
AFS securities:
Mutual funds	$	2.0	$	2.0
Other U.S. obligations	—		21.0
GSE and Tennessee Valley Authority (TVA) obligations	2,249.8		1,169.3
State or local agency obligations	14.4		11.1
MBS:
Other U.S. obligations residential MBS	400.2		310.7
GSE MBS	3,066.0		2,992.8
Private label residential MBS	1,180.0		1,410.5
Private label home equity line of credit (HELOCs)	14.8		14.8
Total AFS securities	$	6,927.2	$	5,932.2
HTM securities:
Certificates of deposit	$	350.0	$	400.0
GSE securities	16.8		24.8
State or local agency obligations	247.8		254.8
MBS:
Other U.S. obligations residential MBS	1,526.9		1,922.6
GSE MBS	1,499.3		1,842.2
Private label residential MBS	936.4		1,208.5
HELOCs	10.1		12.1
Total HTM securities	$	4,587.3	$	5,665.0
Total investment securities	$	11,572.3	$	11,950.8

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The following table presents the maturity and yield characteristics for the investment securities portfolio, assuming no principal prepayments, as of September 30, 2013. Contractual maturity of MBS is not a reliable indicator of their expected life because borrowers generally have the right to prepay their obligation at any time.

(dollars in millions)	Due in 1 year or less		Due after 1 year through 5 years		Due after 5 years through 10 years		Due after 10 years		Carrying Value
Trading securities:
GSE securities	$	—	$	—	$	17.6	$	36.0	$	53.6
Mutual funds	4.2		—		—		—		4.2
Total trading securities	$	4.2	$	—	$	17.6	$	36.0	$	57.8
Yield on trading securities (%)	n/a		n/a		3.61		3.37		3.19
AFS securities:
Mutual funds	$	2.0	$	—	$	—	$	—	$	2.0
GSE and TVA obligations	200.2		1,449.6		444.6		155.4		2,249.8
State or local agency obligations	—		—		0.4		14.0		14.4
MBS:
Other U.S. obligations residential MBS	—		—		—		400.2		400.2
GSE MBS	—		276.7		573.3		2,216.0		3,066.0
Private label residential MBS	—		—		—		1,180.0		1,180.0
HELOCs	—		—		—		14.8		14.8
Total AFS securities	$	202.2	$	1,726.3	$	1,018.3	$	3,980.4	$	6,927.2
Yield on AFS securities (%)	0.24		0.79		2.40		2.62		2.08
HTM securities:
Certificates of deposit	$	350.0	$	—	$	—	$	—	$	350.0
GSE securities	—		16.8		—		—		16.8
State or local agency obligations	0.1		—		28.7		219.0		247.8
MBS:
Other U.S. obligations residential MBS	—		—		342.0		1,184.9		1,526.9
GSE MBS	—		120.1		779.2		600.0		1,499.3
Private label residential MBS	—		41.0		—		895.4		936.4
HELOCs	—		—		—		10.1		10.1
Total HTM securities	$	350.1	$	177.9	$	1,149.9	$	2,909.4	$	4,587.3
Yield on HTM securities (%)	0.16		3.84		2.49		1.82		1.94
Total investment securities	$	556.5	$	1,904.2	$	2,185.8	$	6,925.8	$	11,572.3
Yield on investment securities (%)	0.19		1.07		2.46		2.30		2.03
Securities purchased under agreements to resell	$	250.0	$	—	$	—	$	—	$	250.0
Interest-bearing deposits	4.4		—		—		—		4.4
Federal funds sold	3,705.0		—		—		—		3,705.0
Total investments	$	4,515.9	$	1,904.2	$	2,185.8	$	6,925.8	$	15,531.7

As of September 30, 2013, the Bank held securities from the following issuers with a book value greater than 10% of Bank total capital.

(in millions)	Total Book Value		Total Fair Value
Freddie Mac	$	3,318.7	$	3,356.9
Fannie Mae	2,482.4		2,501.1
Ginnie Mae	1,585.1		1,592.9
Federal Farm Credit Banks	1,039.4		1,039.4
J.P. Morgan Mortgage Trust	379.4		379.1
Toronto Dominion Bank	350.0		350.0
National Credit Union Administration	342.0		343.2
Total	$	9,497.0	$	9,562.6

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For additional information on the credit risk of the investment portfolio, see “Credit and Counterparty Risk - Investments” discussion in the Risk Management section of this Item 2.

Liabilities and Capital

Commitments and Off-Balance Sheet Items. As of September 30, 2013, the Bank was obligated to fund approximately $422.2 million in additional advances and BOB loans, $20.4 million of mortgage loans and $9.6 billion in outstanding standby letters of credit, and to issue $772.0 million in consolidated obligations. The Bank does not consolidate any off-balance sheet special purpose entities or other off-balance sheet conduits.

Capital and Retained Earnings. The Finance Agency has issued regulatory guidance to the FHLBanks relating to capital management and retained earnings. The guidance directs each FHLBank to assess, at least annually, the adequacy of its retained earnings with consideration given to future possible financial and economic scenarios. The guidance also outlines the considerations that each FHLBank should undertake in assessing the adequacy of its retained earnings.

Management monitors capital adequacy, including the level of retained earnings, through the evaluation of MV/CS as well as other risk metrics. Details regarding these metrics are discussed in the Risk Management portion of this Item 2.

Management has developed and adopted a framework for evaluating retained earnings adequacy, consistent with regulatory guidance and requirements. Retained earnings are intended to cover unexpected losses and protect members' par value of capital stock. The framework includes five risk elements that comprise the Bank's total retained earnings target: (1) AFS private label MBS risk (HTM is included in market risk); (2) market risk; (3) credit risk; (4) operating risk; and (5) accounting risk. The retained earnings target generated from this framework is sensitive to changes in the Bank's risk profile, whether favorable or unfavorable. For example, a further sharp deterioration in expected performance of loans underlying private label MBS would likely cause the Bank to adopt a higher target, whereas stabilization or improvement of the performance of these loans may lead to a reduction in the retained earnings target. This framework generated a retained earnings target of $536 million as of September 30, 2013. The Bank exceeded its retained earnings target as of September 30, 2013 as it had $652.2 million of retained earnings. The Bank's retained earnings target is projected to decline to $426 million by 2017, based on run-off of the private label MBS portfolio as well as the Bank's risk management actions. The framework also assists management in its overall analysis of the level of future dividends.

Retained earnings increased $92.9 million, to $652.2 million, at September 30, 2013 compared to $559.3 million at December 31, 2012. The increase in retained earnings during the first nine months of 2013 reflected net income partially offset by $11.2 million of dividends paid. Total retained earnings at September 30, 2013 included unrestricted retained earnings of $600.9 million and restricted retained earnings (RRE) of $51.3 million.

Capital Resources

The following should be read in conjunction with the unaudited interim financial statements included in this Form 10-Q and the audited financial statements in Item 8. Financial Statements and Supplementary Financial Data in the Bank's 2012 Form 10-K.

Capital Plan. Under the Bank’s Capital Plan, members are required to purchase and maintain a certain level of activity-based capital stock to obtain advances and engage in other business transactions. The amount of this stock requirement can be periodically modified by the Bank, with Board of Directors approval.

In light of the growth in retained earnings over the last several years, the Bank reduced the activity-based capital stock requirement from 4.6% to 4.0% of advances, effective September 17, 2013. This change applies to both advances outstanding as of the effective date and those issued after the effective date. In addition, beginning in August 2013, the Bank began to repurchase all excess capital stock on a monthly basis.

Risk-Based Capital (RBC)

The Finance Agency’s RBC regulatory framework requires the Bank to maintain sufficient permanent (or "regulatory") capital, defined as retained earnings plus capital stock, to meet its combined credit risk, market risk and operations risk. Each of these components is computed as specified in regulations and directives issued by the Finance Agency.

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	September 30,		December 31,
(in millions)	2013		2012
Permanent capital:
Capital stock (1)	$	2,487.6	$	3,247.6
Retained earnings	652.2		559.3
Total permanent capital	$	3,139.8	$	3,806.9
RBC requirement:
Credit risk capital	$	602.4	$	678.6
Market risk capital	213.5		113.6
Operations risk capital	244.7		237.7
Total RBC requirement	$	1,060.6	$	1,029.9
Excess permanent capital over RBC requirement	$	2,079.2	$	2,777.0
Note:
(1) Capital stock includes mandatorily redeemable capital stock.

The Bank continues to maintain excess permanent capital over the RBC requirement. Total excess permanent capital decreased $697.8 million from year-end primarily due to the impact of the repurchases of excess capital stock during 2013.

On September 25, 2013, the Bank received final notification from the Finance Agency that it was considered "adequately capitalized" for the quarter ended June 30, 2013. As of the date of this filing, the Bank has not received final notice from the Finance Agency regarding its capital classification for the quarter ended September 30, 2013.

Regulatory Capital and Leverage Ratios

In addition to the RBC requirements, the Finance Agency has mandated maintenance of total regulatory capital and leverage ratios of at least 4.0% and 5.0% of total assets, respectively. Management has an ongoing program to measure and monitor compliance with the ratio requirements. The Bank exceeded all regulatory capital requirements at September 30, 2013.

	September 30,			December 31,
(dollars in millions)	2013			2012
Regulatory Capital Ratio
Minimum regulatory capital (4.0% of total assets)	$	2,462.5		$	2,584.7
Regulatory capital	3,139.8			3,806.9
Total assets	61,562.8			64,616.3
Regulatory capital ratio (regulatory capital as a percentage of total assets)	5.1		%	5.9		%
Leverage Ratio
Minimum leverage capital (5.0% of total assets)	$	3,078.1		$	3,230.8
Leverage capital (regulatory capital multiplied by a 1.5 weighting factor)	4,709.8			5,710.2
Leverage ratio (leverage capital as a percentage of total assets)	7.7		%	8.8		%

The decrease in the regulatory capital and leverage ratios from December 31, 2012 to September 30, 2013 was primarily due to the impact of repurchases of excess capital stock.

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The Bank's capital stock is owned by its members. The concentration of the Bank's capital stock is presented below.

	September 30,		December 31,
(dollars in millions)	2013		2012
Commercial banks	$	2,074.2	$	1,702.5
Thrifts	275.9		991.9
Insurance companies	88.8		77.3
Credit unions	48.7		44.3
Total GAAP capital stock	2,487.6		2,816.0
Mandatorily redeemable capital stock	—		431.6
Total capital stock	$	2,487.6	$	3,247.6

The composition of the Bank's membership by institution type is presented below.

	September 30,	December 31,
	2013	2012
Commercial banks	181	182
Thrifts	77	77
Credit unions	33	28
Insurance companies	7	7
Total	298	294

Critical Accounting Policies

The Bank's financial statements are prepared by applying certain accounting policies. Note 1 - Summary of Significant Accounting Policies in Item 8. Financial Statements and Supplementary Financial Data in the Bank's 2012 Form 10-K describes the most significant accounting policies used by the Bank. In addition, the Bank's critical accounting policies are presented in Item 7. Management's Discussion and Analysis in the Bank's 2012 Form 10-K. Certain of these policies require management to make estimates or economic assumptions that may prove inaccurate or be subject to variations that may significantly affect the Bank's reported results and financial position for the period or in future periods. Management views these policies as critical accounting policies.

The Bank made no changes to its critical accounting policies during the nine months ended September 30, 2013.

Proposed and Recently Issued Accounting Guidance. See Note 1 - Accounting Adjustments, Changes in Accounting Principle and Recently Issued and Adopted Accounting Guidance to the unaudited financial statements in this Form 10-Q for information on new accounting pronouncements impacting the financial statements or that will become effective for the Bank in future periods.

The Finance Agency issued Advisory Bulletin 2012-02 (AB 2012-02), which establishes a standard and uniform methodology for adverse classification and identification of special mention assets and off-balance sheet credit exposures at the FHLBanks, excluding investment securities. AB 2012-02 is expected to impact the Bank’s Statements of Income, Comprehensive Income, and Condition and will impact the Bank’s critical accounting policy for the Allowance for Credit Losses on Mortgage Loans Held for Portfolio. The adverse classification requirements of AB 2012-02 will be effective for the Bank beginning January 1, 2014, and the charge-off requirements will be effective for the Bank beginning January 1, 2015, as clarified by Advisory Bulletin 2013-02 (AB 2013-02) issued in May 2013.

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Legislative and Regulatory Developments

The regulatory environment in which the Bank operates continues to change significantly as regulators continue to implement the Housing and Economic Recovery Act of 2008, as amended, the Dodd-Frank Act and the reforms of the Basel Committee on Bank Supervision. Further, the Bank continues to monitor significant changes proposed as the U.S. House and Senate consider legislation to reform Fannie Mae and Freddie Mac and make other housing finance changes. The Bank’s business, operations, funding costs, rights or obligations, and the business environment in which it carries out its housing finance mission, are likely to be impacted by these developments.

Finance Agency Developments

Final Rule on Stress Testing. On September 26, 2013, the Finance Agency issued a final rule which requires each FHLBank to assess the potential impact of certain sets of economic and financial conditions, including baseline, adverse and severely adverse scenarios, on its consolidated earnings, capital, and other related factors, over a nine-quarter forward horizon based on its portfolio as of September 30 of the previous year. The rule provides that the Finance Agency will annually issue guidance on the scenarios and methodologies to be used in conducting the stress test. Each FHLBank must publicly disclose the results of its adverse economic conditions stress test. The final rule became effective October 28, 2013, and the first reporting is due April 30, 2014.

Joint Proposed Rule on Credit Risk Retention for Asset-Backed Securities (ABS). On September 20, 2013, the Finance Agency with other U.S. federal regulators jointly issued a proposed rule with a comment deadline of October 30, 2013, which proposes requiring ABS sponsors to retain a minimum of five percent economic interest in a portion of the credit risk of the assets collateralizing the ABS, unless all the securitized assets satisfy specified qualifications. The proposed rule revises an earlier proposed rule on ABS credit risk retention. In general, as with the original, the revised proposed rule specifies criteria for qualified residential mortgage, commercial real estate, auto, and commercial loans that would make them exempt from the risk-retention requirement. The criteria for qualified residential mortgages is described in the proposed rulemaking as those underwriting and product features which, based on historical data, are associated with low risk even in periods of decline of housing prices and high unemployment. The proposed rule would exempt Agency MBS from the risk-retention requirements so long as the sponsoring agency is operating under the conservatorship or receivership of the Finance Agency and fully guarantees the timely payment of principal and interest on all interests in the issued security. Further, MBS issued by any limited-life regulated entity succeeding to either Fannie Mae or Freddie Mac operating with capital support from the United States would be exempt from the risk-retention requirements. The Bank is currently assessing the impact of this proposed rule, and has not yet determined the effect, if any, that this rule if adopted may have on the Bank’s operations.

Other Significant Developments

Housing Finance and Housing GSE Reform.The Bank expects Congress to continue to consider reforms for U.S. housing finance and the regulated entities, including the resolution of Fannie Mae and Freddie Mac (together, the Enterprises). Legislation has been introduced in both the House of Representatives and the Senate that would wind down the Enterprises and replace them with a new finance system to support the secondary mortgage market. On June 25, 2013, a bill entitled the Housing Finance Reform and Taxpayer Protection Actof 2013 (the Housing Finance Reform Act) was introduced in the Senate with bipartisan support. On July 11, 2013, Republican leaders of the House Financial Services Committee submitted a proposal entitled the Protecting American Taxpayers and Homeowners Act of 2013 (the PATH Act). Both proposals would have direct implications for the FHLBanks if enacted.

While both proposals reflect the Finance Agency’s efforts over the past year to lay the groundwork for a new U.S. housing finance structure by creating a common securitization platform and establishing national standards for mortgage securitization, they differ on the role of the federal government in the revamped housing finance structure. The Housing Finance Reform Act would establish the Federal Mortgage Insurance Corporation (the FMIC) as an independent agency in the Federal government, replacing the Finance Agency as the primary Federal regulator of the FHLBanks. The FMIC would, among other things, facilitate the securitization of eligible mortgages by insuring covered securities in a catastrophic risk position. The FHLBanks would be allowed to apply to become an approved issuer of covered securities to facilitate access to the secondary market for smaller community mortgage lenders. Any covered MBS issued by the FHLBanks or a subsidiary would not be issued as a consolidated obligation and would not be treated as a joint and several obligation of any FHLBank that has not elected to participate in such issuance.

By contrast, the PATH Act would effectively eliminate any government guarantee of conventional, conforming mortgages except for Federal Housing Administration (FHA), Department of Veteran Affairs (VA) and similar loans designed to serve

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first-time homebuyers and low-and-moderate income borrowers. The FHLBanks would be authorized to act as aggregators of mortgages for securitization through a newly established common market utility.

The PATH Act would also revamp the statutory provisions governing the board composition of FHLBanks. Among other things, for merging FHLBanks, the number of directors would be capped at 15 and the number of member directors allocated to a state would be capped at two until each state has at least one member director. In addition, the Finance Agency would be given the authority, consistent with the authority of other banking regulators, to regulate and examine certain vendors of an FHLBank or one of the Enterprises. Also, the PATH Act would remove the requirement that the Finance Agency adopt regulations establishing standards of community investment or service for FHLBanks' members.

The Bank expects Congress to consider these and other changes to the U.S. housing finance system in the coming months. Any such proposal likely would have consequences for the FHLBank System and its ability to provide readily accessible liquidity to members. However, given the uncertainty of the Congressional process, it is impossible to determine at this time whether or when legislation would be enacted for housing GSE or housing finance reform. The ultimate effects of these efforts on the FHLBanks are unknown and will depend on the legislation or other changes, if any, that ultimately are implemented.

Basel Committee on Banking Supervision - Final Capital Framework. In July 2013, the Federal Reserve and the Office of the Comptroller of the Currency (the OCC) adopted a final rule and the FDIC (together with the Federal Reserve and the OCC, the Financial Regulators) adopted an interim final rule, which was amended September 10, 2013, establishing new minimum capital standards for financial institutions to incorporate the Basel III regulatory capital reforms from the Basel Committee on Banking Supervision. The new capital framework includes, among other things:

• a new common equity Tier 1 minimum capital requirement, a higher minimum Tier 1 capital requirement and an additional capital conservation buffer;

• revised methodologies for calculation of risk-weighted assets to enhance risk sensitivity; and

• a supplementary leverage ratio for financial institutions subject to the “advanced approaches” risk-based capital rules.

The new framework could require some of the Bank’s members to divest assets in order to comply with the more stringent capital requirements, thereby tending to decrease their need for advances. Conversely, the new requirements could incent the Bank’s members to use term advances to create and maintain balance sheet liquidity. Most of the Bank’s members must begin to comply with the final rule by January 1, 2015, although some larger members must begin to comply by January 1, 2014.

Basel Committee on Bank Supervision - Proposed Liquidity Coverage Ratio. In October 2013, the Financial Regulators issued a proposed rule with a comment deadline of January 31, 2014 for a minimum liquidity coverage ratio (the LCR) applicable to all internationally active banking organizations; bank holding companies; systemically important, non-bank financial institutions designated for Federal Reserve supervision; certain savings and loan holding companies; depository institutions with more than $250 billion in total assets or more than $10 billion in on-balance sheet foreign exposure; and to such depository institutions’ consolidated subsidiaries that are depository institutions with $10 billion or more in total consolidated assets. Among other things, the proposed rule defines various categories of high quality, liquid assets (HQLAs) for purposes of satisfying the LCR, and these HQLAs are further categorized into Level 1, 2A, or 2B. The treatment of HQLAs for the LCR is most favorable under the Level 1 category, less favorable under the Level 2A category, and least favorable under the Level 2B category. As proposed, consolidated obligations would be categorized as Level 2A HQLAs. At this time, the impact of this rule (if adopted) on FHLBank system consolidated obligations is uncertain.

Risk Management

The Bank employs a corporate governance and internal control framework designed to support the effective management of the Bank’s business activities and the related inherent risks. As part of this framework, the Board has a Risk Governance Policy and a Member Products Policy, both of which are reviewed regularly and re-approved at least annually. The Member Products Policy establishes the eligibility and authorization requirements, policy limits and restrictions, and the terms applicable to each type of Bank product or service, as well as collateral requirements. The Risk Governance Policy establishes risk guidelines, limits (if applicable), and standards for credit risk, market risk, liquidity risk, operating risk, and business risk in accordance with Finance Agency regulations and consistent with the Bank’s risk profile. The risk profile was established by the Board, as were other applicable guidelines in connection with the Bank’s Capital Plan and overall risk management.

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Risk Governance

The Bank’s lending, investment and funding activities and use of derivative instruments expose the Bank to a number of risks that include market and interest rate risk, credit and counterparty risk, liquidity and funding risk, and operating and business risk, among others, including those described in Item 1A. Risk Factors in the Bank's 2012 Form 10-K. The Bank’s risks are affected by current and projected financial and residential mortgage market trends, which are discussed in the Executive Summary portion of this Item 2.

Details regarding the Bank's Risk Governance framework and processes are included in the "Risk Governance" discussion in Risk Management in Item 7. Management's Discussion and Analysis in the Bank's 2012 Form 10-K.

Capital Adequacy Measures. MV/CS provides a current assessment of the liquidation value of the balance sheet. This is one of the risk metrics used to evaluate the adequacy of retained earnings and develop dividend payment and excess capital stock repurchase recommendations.

The current Board-approved floor for MV/CS is 90.0%. MV/CS is measured against the floor monthly. When MV/CS is below the established floor, excess capital stock repurchases and dividend payouts are restricted. When MV/CS is above the established floor, additional analysis is performed, taking into consideration the impact of excess capital stock repurchases and/or dividend payouts.

The MV/CS ratio was 126.6% at September 30, 2013 and 115.1% at December 31, 2012. This improvement was primarily due to narrower spreads (i.e., the incremental risk premium or the additional yield the market is expecting to be compensated for holding private label MBS versus less risky assets) and principal paydowns on the private label MBS portfolio, increased retained earnings, and a lower capital stock balance. The improvement was partially offset by the effect of higher long-term interest rates. Because the MV/CS ratio was above the 90.0% floor at September 30, 2013, the Bank performed additional analysis of capital adequacy taking into consideration the impact of excess capital stock repurchases and dividend payouts. On July 30, 2013, the Bank repurchased all remaining excess capital stock for a total of $610.0 million. In August 2013, the Bank instituted monthly repurchases of all excess capital stock. The Bank has repurchased approximately $1.8 billion of excess capital stock during the first ten months of 2013. These repurchases were somewhat offset by member capital stock purchases associated with incremental advance borrowing. The effect of the net capital stock reduction was an improvement in the MV/CS ratio.

Dividends paid by the Bank are subject to Board approval and may be paid in either capital stock or cash; historically, the Bank has paid only cash dividends. On February 22, 2013, and April 30, 2013, the Bank paid an annualized dividend of 32 basis points and 29 basis points per share, respectively. On July 30, 2013, the Bank paid an annualized dividend of 100 basis points per share. In addition, on October 30, 2013, the Bank paid an annualized dividend of 150 basis points per share.

In making decisions regarding future payment of dividends, the Bank will continue to monitor the MV/CS ratio as well as the condition of its private label MBS portfolio, its overall financial performance and retained earnings, developments in the mortgage and credit markets and other relevant information. See the “Capital and Retained Earnings” discussion in Financial Condition in this Item 2 for details regarding the Bank’s Retained Earnings policy.

Subprime and Nontraditional Loan Exposure.The Bank policy definitions of subprime and nontraditional residential mortgage loans and securities are consistent with Federal Financial Institutions Examination Council (FFIEC) and Finance Agency guidance. According to policy, loans identified as subprime are not eligible to be included in the member’s collateral position. However, the policy allows for low FICO loans with reasonable mitigating credit factors (i.e. low loan-to-value or debt-to-income ratios). Therefore, the Bank’s definition of a subprime loan is a loan with a low FICO score that does not possess reasonable mitigating credit factors.

Limits have been established for exposure to low FICO and nontraditional residential mortgages. A limit of 25% has been established for the percentage of member collateral that is categorized as low FICO (with acceptable mitigating factors for unknown and missing FICO score loans) or nontraditional loans and securities. A limit of 25% has also been established for total exposure including low FICO and nontraditional member collateral, subprime and nontraditional private label MBS, and low FICO whole mortgage loans acquired through the Bank’s MPF program.

In addition, an enhanced reporting process has been established to aggregate the volume of the aforementioned loans and securities. Lastly, all members are required to identify subprime, low FICO score and nontraditional loans that are included in their collateral and provide periodic certification that they comply with the FFIEC guidance.

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Qualitative and Quantitative Disclosures Regarding Market Risk

Managing Market and Interest Rate Risk. The Bank's market and interest rate risk management objective is to protect member/shareholder and bondholder value consistent with the Bank's mission and safe and sound operations across a wide range of interest rate environments. Management believes that a disciplined approach to market and interest rate risk management is essential to maintaining a strong capital base and uninterrupted access to the capital markets.

The Bank's Market Risk Model. Significant resources are devoted to ensuring that the level of interest rate risk in the balance sheet is accurately measured, thus allowing management to monitor the risk against policy and regulatory limits. The Bank uses an externally developed market risk model to evaluate its financial position and interest rate risk. Management regularly reviews the major assumptions and methodologies used in the model, as well as available upgrades to the model. One of the most critical market-based model assumptions relates to the prepayment of principal on mortgage-related instruments. The Bank continues to upgrade the mortgage prepayment models used within the market risk model to more accurately reflect expected prepayment behavior.

The Bank regularly validates the models used to measure market risk. Such model validations are generally performed by third-party specialists and are supplemented by additional validation processes performed by the Bank, most notably, benchmarking model-derived fair values to those provided by third-party services or alternative internal valuation models. This analysis is performed by a group that is independent of the business unit measuring risk and conducting the transactions. Results of the validation process, as well as any changes in valuation methodologies, are reported to the Bank's Asset Liability Committee (ALCO), which is responsible for reviewing and approving the approaches used in the evaluation of such risks to ensure that they are well controlled and effective, and result in reasonable fair values.

Duration of Equity. One key risk metric used by the Bank, which is commonly used throughout the financial services industry, is duration. Duration is a measure of the sensitivity of a financial instrument's value, or the value of a portfolio of instruments, to a 100 basis point parallel shift in interest rates. Duration (typically measured in months or years) is commonly used by investors throughout the fixed income securities market as a measure of financial instrument price sensitivity.

The Bank's asset/liability management policy approved by the Board calls for actual duration of equity to be maintained within a + 4.5 year range in the base case. In addition, the duration of equity exposure limit in an instantaneous parallel interest rate shock of + 200 basis points is + 7 years. Management analyzes the duration of equity exposure against this policy limit on a daily basis and continually evaluates its market risk management strategies.

Management uses an alternative risk profile to better reflect the underlying interest rate risk and accommodate prudent management of the Bank's balance sheet. The alternate methodology removes the interest rate sensitivity of impaired private label MBS and more fully reflects the credit-intensive nature of the securities and resulting low correlation of price changes to interest rates in the current environment.

The following table presents the Bank's duration of equity exposure calculated in accordance with the alternate methodology and the actual duration of equity at September 30, 2013 and December 31, 2012.

(in years)	Base Case	Up 100  basis points	Up 200  basis points
Alternate duration of equity:
September 30, 2013	1.1	1.2	1.5
December 31, 2012	1.1	0.6	1.3
Actual duration of equity:
September 30, 2013	2.3	2.3	2.7
December 31, 2012	2.5	1.8	2.6

Note:

Given the low level of interest rates, an instantaneous parallel interest rate shock of “down 200 basis points” and “down 100 basis points” cannot be meaningfully measured for these periods and therefore is not presented.

Duration of equity increases from prior year-end in the case of parallel interest rate shocks reflect the effect of higher long-term interest rates and lower capital stock levels, which were partially offset by additional fixed-rate funding. The overall low interest rate environment and model restrictions prevent rates from being shocked in a parallel manner which can distort the Base Case duration of equity measure. The Bank has incorporated smaller interest rate shocks when determining Base Case

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duration of equity to mitigate this effect. The impact of the methodology change offset the overall increase in the Base Case results.

The Bank continues to monitor the mortgage and related fixed-income markets, including the impact that changes in the market or anticipated modeling changes may have on duration of equity and other market risk measures, and may take actions to reduce market risk exposures as needed. Management believes that the Bank's current market risk profile is reasonable given these market conditions.

Earned Dividend Spread (EDS). The Bank's asset/liability management policy also measures interest rate risk based on an EDS. EDS is defined as the Bank's return on average capital stock in excess of the average return of an established benchmark market index, 3-month LIBOR in the Bank's case, for the period measured. The EDS Floor represents the minimum acceptable return under the selected interest rate scenarios, for both Year 1 and Year 2. The EDS Floor is 3-month LIBOR plus 15 basis points. EDS Volatility is a measure of the variability of the Bank's EDS in response to shifts in interest rates, specifically the change in EDS for a given time period and interest rate scenario compared to the current base forecasted EDS. EDS is measured over both a rolling forward one to 12 month time period (Year 1) and a 13 to 24 month time period (Year 2), for selected interest rate scenarios.

The following table presents the Bank's EDS level and volatility as of September 30, 2013 and December 31, 2012. These metrics are presented as spreads over 3-month LIBOR. The steeper and flatter yield curve shift scenarios shown below are represented by appropriate increases and decreases in short-term and long-term interest rates using the three-year point on the yield curve as the pivot point. Given the current low rate environment, management replaced the “down 200 basis points parallel” rate scenario with an additional non-parallel rate scenario that reflects a decline in longer term rates. The Bank was in compliance with the EDS Floor and EDS Volatility limits across all selected interest rate shock scenarios at September 30, 2013 and December 31, 2012.

Prior to first quarter of 2013, in order to isolate the earnings movement related to interest rate changes, the Bank's EDS level and volatility was measured on an adjusted basis excluding future potential OTTI charges which were deemed to be material. Due to the diminished impact of such OTTI charges, the Bank reverted to using projected GAAP earnings for EDS evaluation during the first quarter of 2013. For comparative purposes, the December 31, 2012 results are shown on a GAAP basis.

	EDS (1) Yield Curve Shifts (expressed in basis points)
	Down 100 bps Longer Term Rate Shock		100 bps Steeper		Forward Rates	100 bps Flatter		Up 200 bps Parallel Shock
	EDS	Volatility	EDS	Volatility	EDS	EDS	Volatility	EDS	Volatility
Year 1 Return Volatility
September 30, 2013	410	(81)	523	32	491	567	76	590	99
December 31, 2012 (2)	346	13	357	24	333	443	110	547	214
Year 2 Return Volatility
September 30, 2013	459	(49)	536	28	508	514	6	524	16
December 31, 2012	472	13	479	20	459	483	24	539	80

Notes:

⁽¹⁾Based on GAAP earnings.

⁽²⁾ Comparable levels of EDS based on adjusted earnings (excluding future potential OTTI charges which were projected for Year 1 only) were 35 basis points higher for all scenarios.

Projected EDS in the forward rate scenario increased for both Year 1 and Year 2 mainly due to higher earnings from higher long-term interest rates, maturity of high yield debt, and lower OTTI projections in addition to lower projected capital stock levels. EDS volatility changes were mainly the result of floating rate reset risk changes, higher long-term interest rates, additional fixed rate funding, and mark-to-market position changes.

Earnings-at-Risk (EaR). The Bank employs an EaR framework for certain mark-to-market positions, including economic hedges. This framework establishes a forward-looking, scenario-based exposure limit based on interest rate and volatility shocks that would apply to any existing or proposed transaction that is marked to market through the income statement without

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an offsetting mark arising from a qualifying hedge relationship. The Bank's Capital Markets and Corporate Risk Management departments also monitor the actual profit/loss change on a daily, monthly cumulative, and quarterly cumulative basis.

The daily exposure limit of EaR as approved by the Board is $2.2 million. The Bank's ALCO has established a lower exposure limit as an operating guideline at $1.8 million. The daily forward-looking exposure was below the applicable Board limit and operating guidelines during the first nine months of 2013. At September 30, 2013, EaR measured $1.1 million.

Credit and Counterparty Risk - Total Credit Exposure (TCE) and Collateral

TCE.The Bank manages the credit risk on the basis of a member’s total credit exposure to the Bank or TCE, which includes advances with accrued interest, fees, basis adjustments and estimated prepayment fees; letters of credit; forward-dated advance commitments; member derivatives; and MPF credit enhancement and related obligations. This credit risk is managed by monitoring the financial condition of borrowers and by requiring all borrowers (and, where applicable in connection with member affiliate pledge arrangements approved by the Bank, their affiliates) to pledge sufficient eligible collateral for all member obligations to the Bank to ensure that all potential forms of credit-related exposures are covered by sufficient eligible collateral. At September 30, 2013, TCE was $49.3 billion, comprised of approximately $38.9 billion in advance principal outstanding, $9.6 billion in letters of credit, $0.4 billion in advance commitments, and $0.3 billion in accrued interest, prepayment, MPF credit enhancement and other fees. The Bank establishes a maximum borrowing capacity (MBC) for each member based on collateral weightings applied to eligible collateral as described in the Bank’s Member Products Policy. Refer to the Collateral Policies and Practices section below for recent revisions to MBC requirements. Details regarding this Policy are available in the Advance Products discussion in Item 1. Business in the Bank's 2012 Form 10-K. According to the Policy, eligible collateral is weighted to help ensure that the collateral value will exceed the amount that may be owed to the Bank in the event of a default. The Bank also has the ability to call for additional or substitute collateral while any indebtedness is outstanding to protect the Bank’s fully secured position.

The financial condition of all members and housing associates is closely monitored for compliance with financial criteria as set forth in the Bank’s credit policies. The Bank has developed an internal credit rating (ICR) that calculates financial scores and rates member institutions on a quarterly basis using a numerical rating scale from one to ten, with one being the best rating. Generally, scores are objectively calculated based on financial ratios computed from publicly available data. The scoring system gives the highest weighting to the member’s asset quality and capitalization. Other key factors include earnings and balance sheet composition. Operating results for the previous four quarters are used, with the most recent quarter’s results given a higher weighting. Additionally, a member’s credit score can be adjusted for various qualitative factors, such as the financial condition of the member’s holding company. While financial scores and resulting ratings are calculations based only upon point-in-time financial data and the resulting ratios, a rating in one of the higher (i.e., worse) categories indicates that a member exhibits defined financial weaknesses. Members in these categories are reviewed for potential collateral delivery status. Other uses of the ICR include the scheduling of on-site collateral reviews. A separate financial analysis method is used to analyze insurance company exposure. While depository institution member analysis is based on standardized regulatory Call Report data and risk modeling, insurance company credit risk analysis is based on varying forms of financial data, including, but not limited to, statutory reporting filed by insurance companies with state insurance regulators, which requires specialized methodologies and dedicated underwriting resources.

During the first nine months of 2013, there were 22 failures of FDIC-insured institutions nationwide. None of these failures were members of the Bank. Between October 1, 2013 and November 6, 2013, there was one additional failure of an FDIC-insured institution nationwide. This institution was not a member of the Bank.

Management believes that it has adequate policies and procedures in place to effectively manage credit risk exposure related to member TCE. These credit and collateral policies balance the Bank’s dual goals of meeting members’ needs as a reliable source of liquidity and limiting credit loss by adjusting the credit and collateral terms in response to deterioration in creditworthiness. The Bank has never experienced a loss on its member advance exposure.

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The following table presents the Bank’s top ten borrowers with respect to their TCE at September 30, 2013.

	September 30, 2013
(dollars in millions)	TCE		% of Total
Chase Bank USA, N.A., DE	$	9,976.1	20.2	%
PNC Bank, National Association, DE (1)	8,780.3		17.8	%
Sovereign Bank, N.A, DE (2)	8,505.6		17.3	%
TD Bank, National Association, DE	6,343.5		12.9	%
Ally Bank, UT (3)	2,750.5		5.6	%
Susquehanna Bank, PA	2,004.7		4.1	%
Fulton Bank, N.A., PA	1,224.0		2.5	%
Northwest Savings Bank, PA	721.5		1.5	%
Wilmington Savings Fund Society FSB, DE	600.6		1.2	%
First Commonwealth Bank, PA	583.9		1.2	%
	$	41,490.7	84.3	%
Other borrowers	7,784.2		15.7	%
Total TCE outstanding	$	49,274.9	100.0	%

Notes:

⁽¹⁾ For Bank membership purposes, principal place of business is Pittsburgh, PA.

⁽²⁾Effective October 17, 2013, Sovereign Bank changed its name to Santander Bank, N.A., a subsidiary of Banco Santander, which is located in Spain.

⁽³⁾ For Bank membership purposes, principal place of business is Horsham, PA.

The TCE of the majority of the top ten borrowers was primarily outstanding advance balances at September 30, 2013, except for one member whose TCE consisted entirely of letters of credit.

Member Advance Concentration Risk. The following table lists the Bank’s top ten borrowers based on advance balances at par as of September 30, 2013.

	September 30, 2013
(dollars in millions)	Advance Balance		% of Total
Chase Bank USA, N.A., DE	$	9,975.0	25.6	%
Sovereign Bank, N.A., DE (1)	8,265.0		21.2	%
PNC Bank, National Association, DE (2)	7,000.1		18.0	%
Ally Bank, UT (3)	2,750.0		7.1	%
Susquehanna Bank, PA	1,588.0		4.1	%
Fulton Bank, N.A., PA	748.3		1.9	%
Northwest Savings Bank, PA	725.5		1.9	%
Wilmington Savings Fund Society FSB, DE	600.5		1.5	%
First Commonwealth Bank, PA	554.6		1.4	%
Genworth Life Insurance Company, DE	492.9		1.3	%
	$	32,699.9	84.0	%
Other borrowers	6,205.2		16.0	%
Total advances	$	38,905.1	100.0	%

Notes:

⁽¹⁾ Effective October 17, 2013, Sovereign Bank changed its name to Santander Bank, N.A., a subsidiary of Banco Santander, which is located in Spain.

⁽²⁾ For Bank membership purposes, principal place of business is Pittsburgh, PA.

⁽³⁾ For Bank membership purposes, principal place of business is Horsham, PA.

The average year-to-date September 30, 2013 balances for the ten largest borrowers totaled $31.6 billion, or 84.6% of total average advances outstanding. During the nine months ended September 30, 2013, the maximum outstanding balance to any

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one borrower was $13.2 billion. The advances made by the Bank to each of these borrowers are secured by collateral with an estimated value, after collateral weightings, in excess of the book value of the advances. The Bank does not expect to incur any losses on these advances. The Bank has implemented specific credit and collateral review monitoring for these members.

Letters of Credit. The following table presents the Bank’s total outstanding letters of credit, as of September 30, 2013 and December 31, 2012. The majority of the balance was due to public unit deposit letters of credit, which collateralize public unit deposits. The letter of credit product is collateralized under the same procedures and guidelines that apply to advances.

(dollars in millions)	September 30, 2013		December 31, 2012
Letters of credit:
Public unit deposit	$	9,579.8	$	7,489.8
Tax exempt bonds	15.7		84.0
Other	37.6		62.4
Total	$	9,633.1	$	7,636.2
Expiration terms:
One year or less	$	7,069.6	$	6,900.6
After one year through five years	2,563.5		735.6
Total	$	9,633.1	$	7,636.2

At September 30, 2013 and December 31, 2012, the Bank had a concentration of letters of credit to one member totaling $6.3 billion and $6.6 billion, respectively. These amounts accounted for 65.9% and 85.9% of the total outstanding amount for each period, respectively.

Collateral Policies and Practices. All members are required to maintain collateral to secure their TCE. Refer to the Risk Management section of the Bank's 2012 Form 10-K for additional information related to the Bank’s Collateral Policy. The Board approved several significant credit and collateral related updates effective September 2013 to provide members with opportunities to expand their MBC and more effectively manage their credit relationship with the Bank. All Collateral Policy revisions are reflected in the Bank's Member Product Policy. The changes, including those highlighted below, contributed to an increase in MBC of $25.9 billion (or 19.6%) from December 31, 2012 to $158.3 billion at September 30, 2013. Some of this increase was also due to normal growth in qualifying collateral assets within member balance sheets.

• Weightings on collateral for specific qualifying loans were increased by 10 percentage points;

• Residential mortgage-backed securities (RMBS) eligibility has been expanded;

• Loan-to-value (LTV) thresholds on certain categories of qualifying loan collateral were increased, for members who opt to participate in the Bank’s market-value based pricing program; and

• Collateral delivery guidelines and credit ratings were revised to permit easier access to borrowing.

Collateral Agreements and Valuation. The Bank provides members with two options regarding collateral agreements: a blanket lien collateral pledge agreement and a specific collateral pledge agreement. Under a blanket lien agreement, the Bank obtains a lien against all of the member’s unencumbered eligible collateral assets and most ineligible assets to secure the member’s obligations with the Bank. Under a specific collateral agreement, the Bank obtains a lien against specified eligible collateral assets of the member or its affiliate (as applicable) to secure the member’s obligations with the Bank. The member provides a detailed listing, as an addendum to the specific collateral agreement, identifying those assets pledged as collateral. Details regarding average lending values provided under both blanket liens and specific liens and delivery arrangements are available in the "Credit and Counterparty Risk - TCE and Collateral" discussion in Risk Management in Item 7. Management's Discussion and Analysis in the Bank's 2012 Form 10-K.

The following table summarizes total eligible collateral values for all of the Bank’s members, after collateral weighting, by type under both blanket lien and specific collateral pledge agreements as of September 30, 2013 and December 31, 2012. The amount of excess collateral by individual borrowers varies significantly.

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(dollars in millions)	September 30, 2013					December 31, 2012
All members	Amount			Percentage		Amount			Percentage
One-to-four single family residential mortgage loans	$	70,639.1		44.6	%	$	58,905.5		44.5	%
High quality investment securities(1)	2,836.4			1.8		3,032.3			2.3
ORERC(2)/CFI(3) eligible collateral	74,073.3			46.8		61,579.6			46.5
Multi-family residential mortgage loans	10,702.3			6.8		8,901.4			6.7
Total eligible collateral value	$	158,251.1		100.0	%	$	132,418.8		100.0	%
Total TCE	$	49,274.9				$	48,115.9
Collateralization ratio (eligible collateral value to TCE outstanding)	321.2		%			275.2		%

Note:

⁽¹⁾ High quality investment securities are defined as U.S. Treasury and U.S. agency securities, TLGP investments, GSE MBS and private label MBS with a credit rating of AAA and acquired by the member prior to July 10, 2007. Upon delivery, these securities are valued daily and private label MBS are subject to weekly ratings reviews.

⁽²⁾ Other real estate related collateral

⁽³⁾ Community Financial Institution

The following tables present information on a combined basis regarding the type of collateral securing the outstanding credit exposure and the collateral status of all member borrowers as of September 30, 2013 and December 31, 2012.

	September 30, 2013
(dollars in millions)	Blanket Lien				Listing				Delivery				Total
	Amount		%		Amount		%		Amount		%		Amount		%
One-to-four single family residential   mortgage loans	$	52,031.2	39.0	%	$	13,426.4	92.0	%	$	793.1	28.9	%	$	66,250.7	43.9	%
High quality investment securities(1)	1,210.7		0.9		1,173.9		8.0		206.5		7.5		$	2,591.1	1.7
ORERC/CFI eligible collateral	69,805.0		52.3		—		—		1,633.3		59.6		$	71,438.3	47.4
Multi-family residential mortgage   loans	10,409.9		7.8		—		—		109.0		4.0		$	10,518.9	7.0
Total eligible collateral value	$	133,456.8	100.0	%	$	14,600.3	100.0	%	$	2,741.9	100.0	%	$	150,799.0	100.0	%
Total TCE	$	38,022.4	77.2	%	$	10,864.5	22.0	%	$	388.0	0.8	%	$	49,274.9	100.0	%
Number of members	194		90	%	7		3.0	%	15		7.0	%	216		100.0	%

	December 31, 2012
(dollars in millions)	Blanket Lien				Listing				Delivery				Total
	Amount		%		Amount		%		Amount		%		Amount		%
One-to-four single family residential   mortgage loans	$	46,112.5	40.9	%	$	7,317.0	92.4	%	$	1,315.4	35.1	%	$	54,744.9	44.1	%
High quality investment securities(1)	1,442.6		1.3		599.7		7.6		205.4		5.5		2,247.7		1.8
ORERC/CFI eligible collateral	56,527.7		50.2		—		—		2,060.8		55.0		58,588.5		47.1
Multi-family residential mortgage   loans	8,543.3		7.6		—		—		163.0		4.4		8,706.3		7.0
Total eligible collateral value	$	112,626.1	100.0	%	$	7,916.7	100.0	%	$	3,744.6	100.0	%	$	124,287.4	100.0	%
Total TCE	$	40,620.0	84.4	%	$	7,045.2	14.6	%	$	450.7	1.0	%	$	48,115.9	100.0	%
Number of members	183		87	%	5		2	%	24		11	%	212		100.0	%

Note:

⁽¹⁾ High quality investment securities are defined as U.S. Treasury and U.S. agency securities, TLGP investments, GSE MBS and private label MBS with a credit rating of AAA and acquired by the member prior to July 10, 2007. Members under blanket delivery status have the option to deliver such high quality investment securities to the Bank to increase their maximum borrowing capacity. Upon delivery, these securities are valued daily and private label MBS are subject to weekly ratings reviews.

Credit and Counterparty Risk - Investments

The Bank is also subject to credit risk on investments consisting of money market investments and investment securities. As of September 30, 2013 and December 31, 2012, the Bank’s carrying value of investment securities issued by entities other than the U.S. government, Federal agencies or GSEs was $2.8 billion and $3.3 billion, respectively.

Investment External Credit Ratings. The following tables present the Bank’s investment carrying values as of September 30, 2013 and December 31, 2012 based on the lowest rating from the NRSROs (Moody’s, S&P and Fitch). Carrying values for AFS and trading securities represent fair value.

	September 30, 2013 (1) (2)
	Long-Term Rating
(in millions)	AAA		AA		A		BBB		Below Investment Grade		Total
Money market investments:
Securities purchased under agreements to resell	$	—	$	—	$	250.0	$	—	$	—	$	250.0
Federal funds sold	—		1,850.0		1,775.0		80.0		—		3,705.0
Total money market investments	—		1,850.0		2,025.0		80.0		—		3,955.0
Investment securities:
Certificates of deposit	—		350.0		—		—		—		350.0
GSE and TVA obligations	—		2,320.2		—		—		—		2,320.2
State or local agency obligations	14.5		247.7		—		—		—		262.2
Total non-MBS	14.5		2,917.9		—		—		—		2,932.4
Other U.S. obligations residential MBS	—		1,927.1		—		—		—		1,927.1
GSE MBS	—		4,565.3		—		—		—		4,565.3
Private label residential MBS	—		13.5		45.3		399.4		1,658.2		2,116.4
HELOCs	—		—		10.1		—		14.8		24.9
Total MBS	—		6,505.9		55.4		399.4		1,673.0		8,633.7
Total investments	$	14.5	$	11,273.8	$	2,080.4	$	479.4	$	1,673.0	$	15,521.1

32

	December 31, 2012 (1) (2)
	Long-Term Rating
(in millions)	AAA		AA		A		BBB		Below Investment Grade		Total
Money market investments:
Securities purchased under agreements to resell	$	—	$	1,500.0	$	1,000.0	$	—	$	—	$	2,500.0
Federal funds sold			2,250.0		1,950.0		395.0				4,595.0
Total money market investments	—		3,750.0		2,950.0		395.0		—		7,095.0
Investment securities:
Certificates of deposit	—		400.0		—		—		—		400.0
U.S.Treasury bills	—		350.0		—		—		—		350.0
Other U.S. Obligations	—		21.0		—		—		—		21.0
GSE securities	—		1,194.1		—		—		—		1,194.1
State or local agency obligations	12.2		253.7		—		—		—		265.9
Total non-MBS	12.2		2,218.8		—		—		—		2,231.0
Other U.S. obligations residential MBS	—		2,233.3		—		—		—		2,233.3
GSE MBS	—		4,835.0		—		—		—		4,835.0
Private label residential MBS	23.7		43.7		113.0		487.3		1,951.3		2,619.0
HELOCs	—		12.1		—		—		14.8		26.9
Total MBS	23.7		7,124.1		113.0		487.3		1,966.1		9,714.2
Total investments	$	35.9	$	13,092.9	$	3,063.0	$	882.3	$	1,966.1	$	19,040.2

Notes:

⁽¹⁾ Various deposits not held as investments as well as mutual fund equity investments held by the Bank through Rabbi trusts which are not generally assigned a credit rating are excluded from the tables above. The mutual fund equity investment balances totaled $6.2 million and $5.6 million at September 30, 2013 and December 31, 2012, respectively.

⁽²⁾ Balances exclude total accrued interest of $14.8 million and $12.8 million at September 30, 2013 and December 31, 2012, respectively.

As of September 30, 2013, there were credit rating agency actions affecting a total of 24 private label MBS in the investment portfolio resulting in downgrades of at least one credit rating level since December 31, 2012. These securities had a total par value of $401.2 million as of September 30, 2013 reflected in the table above. Included in these downgrades were securities downgraded from “investment grade” to “below investment grade” and represented a total par balance of $41.8 million at September 30, 2013.

The Bank also manages credit risk based on an internal credit rating system. For purposes of determining the internal credit rating, the Bank measures credit exposure through a process which includes internal credit review and various external factors, including placement of the counterparty on negative watch by one or more NRSROs. In all cases, the Bank’s assigned internal credit rating will never be higher than the lowest external credit rating. For internal reporting purposes, the incorporation of negative credit watch into the credit rating analysis of an investment may translate into a downgrade of one credit rating level from the external rating.

Short-term Investments. The Bank maintains a short-term investment portfolio to provide funds to meet the credit needs of its members and to maintain liquidity. The FHLBank Act and Finance Agency regulations set liquidity requirements for the FHLBanks. In addition, the Bank maintains a contingency liquidity plan in the event of operational disruptions at the Bank and the Office of Finance (OF). See the Liquidity and Funding Risk section of this Item 2 for a discussion of the Bank’s liquidity management.

Within the portfolio of short-term investments, the Bank faces credit risk from unsecured exposures. The Bank's unsecured credit investments have maturities generally ranging between overnight and six months and include the following types:

• Interest-bearing deposits. Primarily consists of unsecured deposits that earn interest;

• Federal funds sold. Unsecured loans of reserve balances at the Federal Reserve Banks between financial institutions that are made on an overnight and term basis;

• Commercial paper. Unsecured debt issued by corporations, typically for the financing of accounts receivable, inventories, and meeting short-term liabilities; and

• Certificates of deposit. Unsecured negotiable promissory notes issued by banks and payable to the bearer on demand.

33

Under the Bank’s Risk Governance Policy, the Bank can place money market investments, which include those investment types listed above, on an unsecured basis with large financial institutions with long-term credit ratings no lower than BBB. Management actively monitors the credit quality of these counterparties.

As of September 30, 2013, the Bank had unsecured exposure to 10 counterparties totaling $4.1 billion, or an average of $405.5 million per counterparty, with unsecured exposure to six counterparties exceeding 10% of the total exposure.

The following table presents the Banks' unsecured credit exposure with private counterparties by investment type at September 30, 2013 and December 31, 2012. The unsecured investment credit exposure presented may not reflect the average or maximum exposure during the period.

(in millions)
Carrying Value (1)	September 30, 2013		December 31, 2012
Certificates of deposit	$	350.0	$	400.0
Federal funds sold	3,705.0		4,595.0
Total	$	4,055.0	$	4,995.0

Note:

⁽¹⁾ Excludes unsecured investment credit exposure to U.S. government, U.S. government agencies and instrumentalities, GSEs, and supranational entities.

As of September 30, 2013, 76.4% of the Bank’s unsecured investment credit exposure in Federal funds sold and certificates of deposit were to U.S. branches and agency offices of foreign commercial banks. The Bank actively monitors its credit exposures and the credit quality of its counterparties, including an assessment of each counterparty’s financial performance, capital adequacy, sovereign support, and the current market perceptions of the counterparties. General macro-economic, political and market conditions may also be considered when deciding on unsecured exposure. As a result, the Bank may limit or suspend existing exposures.

Finance Agency regulations include limits on the amount of unsecured credit the Bank may extend to a counterparty or to a group of affiliated counterparties. This limit is based on a percentage of eligible regulatory capital and the counterparty's overall credit rating. Under these regulations, the level of eligible regulatory capital is determined as the lesser of the Bank's total regulatory capital or the eligible amount of regulatory capital of the counterparty. The eligible amount of regulatory capital is then multiplied by a stated percentage. The percentage that the Bank may offer for term extensions of unsecured credit ranges from 1% to 15% based on the counterparty's credit rating. The calculation of term extensions of unsecured credit includes on-balance sheet transactions, off-balance sheet commitments, and derivative transactions.

Finance Agency regulation also permits the Bank to extend additional unsecured credit for overnight transactions and for sales of Federal funds subject to continuing contracts that renew automatically. For overnight exposures only, the Bank's total unsecured exposure to a counterparty may not exceed twice the applicable regulatory limit, or a total of 2% to 30% of the eligible amount of regulatory capital, based on the counterparty's credit rating. As of September 30, 2013, the Bank was in compliance with the regulatory limits established for unsecured credit.

The Bank's unsecured credit exposures to U.S. branches and agency offices of foreign commercial banks include the risk that, as a result of political or economic conditions in a country, the counterparty may be unable to meet their contractual repayment obligations. The Bank's unsecured credit exposures to domestic counterparties and U.S. subsidiaries of foreign commercial banks include the risk that these counterparties have extended credit to foreign counterparties. Bank management has limited its unsecured investment activity with all European private counterparties to overnight maturities only.

The following table presents the long-term credit ratings of the unsecured investment credit exposures by the domicile of the counterparty or the domicile of the counterparty's parent for U.S. branches and agency offices of foreign commercial banks based on the NRSROs used. This table does not reflect the foreign sovereign government's credit rating. The Bank mitigates this credit risk by generally investing in unsecured investments of highly-rated counterparties and limits foreign exposure to those countries rated AA or higher.

34

(in millions)
September 30, 2013 (1) (2)
Carrying Value
Domicile of Counterparty	Investment Grade (3)(4)
	AA		A		BBB		Total
Domestic	$	450.0	$	325.0	$	80.0	$	855.0
U.S. subsidiaries of foreign commercial banks	—		100.0		—		100.0
Total domestic and U.S. subsidiaries of foreign commercial banks	450.0		425.0		80.0		955.0
U.S. branches and agency offices of foreign commercial banks:
Canada	350.0		450.0		—		800.0
Netherlands	700.0		—		—		700.0
Norway	—		450.0		—		450.0
Sweden	700.0		450.0		—		1,150.0
Total U.S. branches and agency offices of foreign commercial banks	1,750.0		1,350.0		—		3,100.0
Total unsecured investment credit exposure	$	2,200.0	$	1,775.0	$	80.0	$	4,055.0

(in millions)
December 31, 2012 (2)
Carrying Value
Domicile of Counterparty	Investment Grade (3)(4)
	AA		A		BBB		Total
Domestic	$	—	$	—	$	230.0	$	230.0
U.S. subsidiaries of foreign commercial banks	—		500.0		165.0		665.0
Total domestic and U.S. subsidiaries of foreign commercial banks	—		500.0		395.0		895.0
U.S. branches and agency offices of foreign commercial banks:
Australia	750.0		—		—		750.0
Canada	400.0		1,000.0		—		1,400.0
Germany	—		450.0		—		450.0
Sweden	750.0		—		—		750.0
Netherlands	750.0		—		—		750.0
Total U.S. branches and agency offices of foreign commercial banks	2,650.0		1,450.0		—		4,100.0
Total unsecured investment credit exposure	$	2,650.0	$	1,950.0	$	395.0	$	4,995.0

Notes:

⁽¹⁾ Does not reflect any changes in ratings, outlook or watch status occurring after September 30, 2013.

⁽²⁾ These ratings represent the lowest rating available for each security owned by the Bank based on the NRSROs used by the Bank. The Bank’s internal ratings may differ from those obtained from the NRSROs.

⁽³⁾ Excludes unsecured investment credit exposure to U.S. government, U.S. government agencies and instrumentalities, GSEs, and supranational entities.

⁽⁴⁾ Represents the NRSRO rating of the counterparty not the country. There were no AAA rated investments at either September 30, 2013 or December 31, 2012.

The following table presents the remaining contractual maturity of the Bank's unsecured investment credit exposure by the domicile of the counterparty or the domicile of the counterparty's parent for U.S. branches and agency offices of foreign commercial banks. The Bank also mitigates the credit risk on investments by generally investing in investments that have short-term maturities. At September 30, 2013 and December 31, 2012, 91% and 92%, respectively, of the carrying value of the total unsecured investments held by the Bank had overnight maturities.

35

(in millions)
September 30, 2013
Carrying Value (1)
Domicile of Counterparty	Overnight (2)		Due 2 days through 30 days		Due 31 days through 90 days		Total
Domestic	$	855.0	$	—	$	—	$	855.0
U.S. subsidiaries of foreign   commercial banks	100.0		—		—		100.0
Total domestic and U.S.   subsidiaries of foreign   commercial banks	955.0		—		—		955.0
U.S. branches and agency offices   of foreign commercial banks:
Canada	450.0		—		350.0		800.0
Netherlands	700.0		—		—		700.0
Norway	450.0		—		—		450.0
Sweden	1,150.0		—		—		1,150.0
Total U.S. branches and agency   offices of foreign commercial   banks	2,750.0		—		350.0		3,100.0
Total unsecured investment credit   exposure	$	3,705.0	$	—	$	350.0	$	4,055.0

(in millions)
December 31, 2012
Carrying Value (1)
Domicile of Counterparty	Overnight (2)		Due 2 days through 30 days		Due 31 days through 90 days		Total
Domestic	$	230.0	$	—	$	—	$	230.0
U.S. subsidiaries of foreign   commercial banks	665.0		—		—		665.0
Total domestic and U.S.   subsidiaries of foreign   commercial banks	895.0		—		—		895.0
U.S. branches and agency offices   of foreign commercial banks:
Australia	750.0		—		—		750.0
Canada	1,000.0		200.0		200.0		1,400.0
Germany	450.0		—		—		450.0
Sweden	750.0		—		—		750.0
Netherlands	750.0		—		—		750.0
Total U.S. branches and agency   offices of foreign commercial   banks	3,700.0		200.0		200.0		4,100.0
Total unsecured investment credit   exposure	$	4,595.0	$	200.0	$	200.0	$	4,995.0

Note:

⁽¹⁾ Excludes unsecured investment credit exposure to U.S. government, U.S. government agencies and instrumentalities, GSEs, and supranational entities.

⁽²⁾ Overnight category represents Federal funds sold at September 30, 2013 and December 31, 2012.

In addition, at September 30, 2013, the Bank had $250.0 million in overnight securities purchased under agreements to resell which were secured by U.S. Treasuries. These investments were with one counterparty in the United Kingdom. At December 31, 2012, the Bank had $2.5 billion in overnight securities purchased under agreements to resell which were secured

36

by U.S. Treasuries. These investments were with one counterparty each in Canada ($1.5 billion), the United Kingdom ($0.8 billion), and Germany ($0.2 billion).

U.S. Treasury Bills, Agency, GSE Securities and State and Local Agency Obligations. In addition to U.S. Treasury bills and securities issued or guaranteed by U.S. agencies or U.S government corporations, the Bank invests in and is subject to credit risk related to GSE securities and state and local agency obligations. The Bank maintains a portfolio of U.S. Treasury, U.S. agency and GSE securities as a secondary liquidity portfolio. Further, the Bank maintains a portfolio of state and local agency obligations to invest in mission-related assets and enhance net interest income. These portfolios totaled $2.6 billion and $1.8 billion as of September 30, 2013 and December 31, 2012, respectively.

Agency and GSE MBS. The Bank invests in and is subject to credit risk related to MBS issued or guaranteed by Federal agencies and GSEs that are directly supported by underlying mortgage loans. The Bank’s total agency and GSE MBS portfolio decreased $575.9 million from December 31, 2012 to $6.5 billion at September 30, 2013 due to paydowns.

Private Label MBS. The Bank also holds investments in private label MBS, which are also supported by underlying mortgage loans.The Bank made investments in private label MBS that were rated AAA at the time of purchase with the exception of one, which was rated AA at the time of purchase. The carrying value of the Bank’s private label MBS portfolio decreased $504.6 million from December 31, 2012 to $2.1 billion at September 30, 2013. This decline was primarily due to repayments, partially offset by an increase in the fair value of private label MBS held as AFS.

The increase in prices on OTTI securities during the first nine months of 2013 increased the unrealized gains in AOCI from $19.0 million at December 31, 2012 to $67.2 million as of September 30, 2013. The weighted average price on these OTTI securities increased from 83 at December 31, 2012 to 85 at September 30, 2013. These fair values are determined using unobservable inputs (i.e., Level 3) and are fundamentally the average prices derived from four third-party pricing services. The Bank uses the unadjusted prices received from the third-party pricing services in its process relating to fair value calculations and methodologies as described further in the Critical Accounting Policies section in Item 7. Management’s Discussion and Analysis in the Bank's 2012 Form 10-K.

Approximately 24.8% of the Bank’s MBS portfolio at September 30, 2013 was issued by private label issuers. The Bank generally focused its private label MBS purchases on credit-enhanced, senior tranches of securities in which the subordinate classes of the securities provide credit support for the senior class of securities. Losses in the underlying loan pool would generally have to exceed the credit support provided by the subordinate classes of securities before the senior class of securities would experience any credit losses. In late 2007, the Bank discontinued the purchase of private label MBS.

The prospectuses and offering memoranda for the private label MBS in the Bank’s portfolio contain representations and warranties that the mortgage loans in the collateral pools were underwritten to certain standards. Based on the performance of the mortgages in some of the collateral pools, among other information, it appears that the failure to adhere to the stated underwriting standards was so routine that the underwriting standards were all but completely abandoned. The issuers, underwriters and rating agencies all failed to disclose that the underwriting standards that were represented in the offering documents were routinely not followed or had been abandoned altogether. This failure resulted in the Bank owning certain private label MBS on which it has recognized losses and is more fully explained in the discussion on OTTI later on in this Risk Management section. The Bank has filed lawsuits against certain issuers, underwriters and rating agencies as more fully discussed in Part II, Item 1. Legal Proceedings in this Form 10-Q.

Participants in the mortgage market often characterize single family loans based upon their overall credit quality at the time of origination, generally considering them to be Prime, Alt-A or subprime. There is no universally accepted definition of these segments or classifications. The subprime segment of the mortgage market primarily serves borrowers with poorer credit payment histories, and such loans typically have a mix of credit characteristics that indicate a higher likelihood of default and higher loss severities than Prime loans. Further, many mortgage participants classify single family loans with credit characteristics that range between Prime and subprime categories as Alt-A because these loans have a combination of characteristics of each category or may be underwritten with low or no documentation compared to a full documentation mortgage loan. Industry participants often use this classification principally to describe loans for which the underwriting process is less rigorous and to reduce the documentation requirements of the borrower.

The following table presents the par value of the private label MBS portfolio by various categories of underlying collateral and by interest rate payment terms. Unless otherwise noted, the private label MBS exposures below, and throughout this report, reflect the most conservative classification provided by the credit rating agencies at the time of issuance.

37

	September 30, 2013						December 31, 2012
(dollars in millions)	Fixed Rate		Variable Rate		Total		Fixed Rate		Variable Rate		Total
Private label residential MBS:
Prime	$	195.0	$	1,115.2	$	1,310.2	$	313.9	$	1,357.6	$	1,671.5
Alt-A	474.9		559.2		1,034.1		559.9		705.7		1,265.6
Subprime	—		6.3		6.3		—		6.5		6.5
Total private label MBS - par value	$	669.9	$	1,680.7	$	2,350.6	$	873.8	$	2,069.8	$	2,943.6

Certain MBS securities have a fixed-rate component for a specified period of time and then have a rate reset on a given date. When the rate is reset, the security is then considered to be a variable-rate security. Examples include securities supported by underlying 3/1, 5/1, 7/1 and 10/1 hybrid adjustable-rate mortgages (ARMs). In addition, certain of these securities may have a provision within the structure that permits the fixed rate to be adjusted for items such as prepayment, defaults and loan modification. For purposes of the table above, these securities are all reported as variable-rate, regardless of whether the rate reset date has occurred.

Private Label MBS Collateral Statistics. The following tables provide collateral performance and credit enhancement information for the Bank’s private label MBS portfolio by par and by collateral type as of September 30, 2013. The Bank has not purchased any private label MBS since 2007.

	Private Label MBS by Vintage - Prime
(dollars in millions)	2007			2006			2005			2004 and earlier			Total
Par by lowest external long-  term rating:
AA	$	—		$	—		$	—		$	7.6		$	7.6
A	—			—			—			16.8			16.8
BBB	—			—			26.5			246.7			273.2
Below investment grade:
BB	—			16.9			42.8			134.0			193.7
B	—			—			39.3			111.7			151.0
CCC	—			8.9			7.5			33.7			50.1
CC	8.8			104.1			11.3			—			124.2
C	105.8			41.4			—			—			147.2
D	185.0			105.1			56.3			—			346.4
Total	$	299.6		$	276.4		$	183.7		$	550.5		$	1,310.2
Amortized cost	$	232.8		$	243.1		$	173.0		$	549.8		$	1,198.7
Gross unrealized losses	—			(0.3		)	(4.4		)	(6.1		)	(10.8		)
Fair value	261.5			253.0			175.4			543.5			1,233.4
OTTI (1):
Total OTTI losses	$	—		$	—		$	—		$	—		$	—
OTTI losses reclassified (from) AOCI	—			—			—			—			—
Net OTTI losses, credit portion	$	—		$	—		$	—		$	—		$	—
Weighted average fair value/par	87.3		%	91.5		%	95.5		%	98.7		%	94.1		%
Original weighted average credit support	7.1			8.2			4.4			5.4			6.2
Weighted-average credit support - current	0.2			1.5			5.2			11.6			6.0
Weighted avg. collateral delinquency(2)	14.1			13.4			11.4			8.7			11.3

38

	Private Label MBS by Vintage - Alt-A (3)
(dollars in millions)	2007			2006			2005			2004 and earlier			Total
Par by lowest external long-  term rating:
AA	$	—		$	—		$	—		$	5.9		$	5.9
A	—			19.2			—			19.4			38.6
BBB	—			—			5.3			118.4			123.7
Below investment grade:
BB	—			—			—			15.0			15.0
B	—			—			33.9			9.7			43.6
CCC	—			89.6			54.4			42.2			186.2
CC	—			45.6			9.4			2.6			57.6
D	209.8			293.8			59.9			—			563.5
Total	$	209.8		$	448.2		$	162.9		$	213.2		$	1,034.1
Amortized cost	$	157.6		$	355.5		$	154.0		$	206.3		$	873.4
Gross unrealized losses	—			(5.0		)	(5.1		)	(1.2		)	(11.3		)
Fair value	162.3			369.5			149.6			209.4			890.8
OTTI (1):
Total OTTI losses	$	—		$	—		$	—		$	—		$	—
OTTI losses reclassified (from) AOCI	(0.2		)	(0.1		)	—			(0.1		)	(0.4		)
Net OTTI losses, credit portion	$	(0.2	)	$	(0.1	)	$	—		$	(0.1	)	$	(0.4	)
Weighted average fair value/par	77.4		%	82.4		%	91.8		%	98.2		%	86.1		%
Original weighted average credit support	13.5			9.8			5.9			5.1			9.0
Weighted-average credit support - current	0.0			1.0			6.5			17.0			5.0
Weighted avg. collateral delinquency(2)	24.3			20.1			13.1			9.3			17.6

Notes:

⁽¹⁾For the nine months ended September 30, 2013.

⁽²⁾ Delinquency information is presented at the cross-collateralization level.

⁽³⁾ Includes HELOCs.

The Bank’s subprime private label MBS balances are immaterial to the overall portfolio; therefore, the related collateral statistics for these private label MBS are not presented.

Private Label MBS Issuers and Servicers. The following tables provide information regarding the issuers and master servicers of the Bank’s private label MBS portfolio that exceeded 5% of the total portfolio as of September 30, 2013. Management actively monitors the credit quality of the portfolio’s master servicers. For further information on the Bank’s MBS master servicer risks, see additional discussion in Item 1A. Risk Factors in the Bank's 2012 Form 10-K.

	September 30, 2013
Original Issuers (in millions)	Total Carrying Value		Total Fair Value
Lehman Brothers Holdings Inc. (1)	$	512.4	$	512.3
J.P. Morgan Chase & Co.	438.4		438.1
Countrywide Financial Corp. (2)	249.9		245.2
Wells Fargo & Co.	220.0		220.9
Citigroup Inc.	155.2		150.7
GMAC LLC	125.6		125.7
Other	439.8		436.3
Total	$	2,141.3	$	2,129.2

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	September 30, 2013
Current Master Servicers (in millions)	Total Carrying Value		Total Fair Value
Wells Fargo Bank, NA	$	719.0	$	718.4
Nationstar Mortgage Inc.	512.4		512.3
Bank of America Corp.	290.7		285.1
U.S. Bank NA	172.1		172.1
CitiMortgage, Inc.	155.2		150.7
Other	291.9		290.6
Total	$	2,141.3	$	2,129.2

Notes:

⁽¹⁾Lehman Brothers Holdings Inc. filed for bankruptcy in 2008. Nationstar Mortgage Inc. is now servicing all but one of the bonds, and six different trustees have assumed responsibility for these 20 bonds. However, the Bank believes the original issuer is more relevant with respect to understanding the bond underwriting criteria.

⁽²⁾Bank of America acquired Countrywide Financial Corp and Countrywide Home Loan Servicing LP following issuance of certain private label MBS. The Bank believes the original issuer is more relevant with respect to understanding the bond underwriting criteria. However, Bank of America is currently servicing these private label MBS.

Private Label MBS in Unrealized Loss Positions. The following table provides information on the portion of the private label MBS portfolio in an unrealized loss position at September 30, 2013.

(dollars in millions)	Par		Amortized Cost		Gross Unrealized Losses			Wtd-Avg Collateral Del Rate(1)
Private label MBS backed by:
Prime loans:
First lien	$	389.4	$	388.1	$	(10.8	)	10.8	%
Alt-A and other:
Alt-A other	246.0		225.3		(11.3		)	16.0	%
Subprime loans:
First lien	3.9		3.9		(0.2		)	22.5	%

Notes:

⁽¹⁾ Delinquency information is presented at the cross-collateralization level.

OTTI. During the nine months ended September 30, 2013 and 2012, the Bank recognized $0.4 million and $11.0 million, respectively, of credit-related OTTI charges in earnings (the credit loss) related to private label MBS after the Bank determined that it was likely that it would not recover the entire amortized cost of each of these securities. Because the Bank does not intend to sell and it is not more likely than not that the Bank will be required to sell any OTTI securities before anticipated recovery of their amortized cost basis, the Bank does not have an additional OTTI charge for the difference between amortized cost and fair value. The Bank has not recorded OTTI on any other type of security (i.e., U.S. Agency MBS or non-MBS securities).

The Bank’s estimate of cash flows has a significant impact on the determination of credit losses. Cash flows expected to be collected are based on the performance and type of private label MBS and the Bank’s expectations of the economic environment. To ensure consistency in determination of the OTTI for private label MBS among all FHLBanks, each quarter the Bank coordinates with the OTTI Governance Committee to update its OTTI analysis based on actual loan performance and current housing market assumptions in the collateral loss projection models, which generate the estimated cash flows from the Bank’s private label MBS. This process is described in Note 5 - OTTI to the unaudited financial statements included in this Form 10-Q.

The Bank’s quarterly OTTI analysis is based on current and forecasted economic trends. Significant assumptions used on the Bank’s private label MBS as part of its third quarter 2013 analysis are presented below.

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	Significant Inputs for Private Label Residential MBS
	Prepayment Rates	Default Rates	Loss Severities	Current Credit Enhancement
Year of securitization	Weighted Avg %	Weighted Avg %	Weighted Avg %	Weighted Avg %
Prime:
2007	10.7	18.7	40.5	0.2
2006	9.8	17.2	36.9	1.6
2005	13.5	7.3	31.9	7.0
2004 and prior	16.8	3.5	31.4	10.0
Total Prime	12.9	11.3	35.0	5.0
Alt-A:
2007	11.2	31.6	42.3	0.0
2006	10.6	26.0	44.2	0.2
2005	9.8	15.7	41.3	0.7
2004 and prior	13.2	9.5	32.7	16.0
Total Alt-A	11.5	21.5	40.1	5.0
Subprime:
2004 and prior	8.1	26.2	66.0	38.9
Total Residential MBS	12.3	15.8	37.3	5.1

The Bank’s life-to-date credit losses are concentrated in its 2006 and 2007 vintage bonds. These vintages represent 92% of life-to-date credit losses, of which 48% relates to Prime and 44% relates to Alt-A, with the remainder in subprime and HELOC.

At September 30, 2013, the Bank had 49 private label MBS that have had OTTI charges during their life. The Bank has recognized $252.8 million of credit losses on these securities life-to-date. The life-to-date credit loss excludes actual cash losses realized, which are recorded as a reduction to credit loss and par. The Bank has realized $94.2 million of actual cash losses life-to-date, of which $16.0 million was incurred during the third quarter of 2013. Also during 2013, one OTTI security that had life-to-date credit losses of $0.1 million matured for which the Bank received all of the cash flows to which it was contractually entitled. The life-to-date credit loss excludes $106.0 million of credit losses related to securities sold in previous quarters for which the Bank recognized gains on sale of $15.6 million.

By comparison, at September 30, 2012, the Bank had 51 private label MBS that have had OTTI charges during their life, including one deemed to be OTTI for the first time during 2012. The Bank has recognized $304.5 million of credit losses on these securities life-to-date. The Bank realized $42.6 million of actual cash losses life-to-date, of which $9.7 million was incurred during the third quarter of 2012. Also during 2012, one OTTI security matured for which the Bank received all of the cash flows to which it was contractually entitled. The life-to-date credit loss excludes $106.0 million of credit losses related to securities sold in previous quarters for which the Bank recognized gains on sale of $15.6 million.

The following tables present the amount of credit-related and non-credit-related OTTI charges the Bank recorded on its private label MBS portfolio, on both newly impaired and previously impaired securities. The Bank did not have OTTI charges on its private label MBS for the three months ended September 30, 2013.

	Three Months Ended September 30, 2012
(in millions)	Credit Losses			Net Non-credit Losses		Total Losses
Securities newly impaired   during the period	$	—		$	—	$	—
Securities previously   impaired prior to current   period	(0.2		)	0.2		—
Total	$	(0.2	)	$	0.2	$	—

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	Nine Months Ended September 30, 2013							Nine Months Ended September 30, 2012
(in millions)	Credit Losses			Net Non-credit Losses		Total Losses		Credit Losses			Net Non-credit Losses			Total Losses
Securities newly impaired   during the period	$	—		$	—	$	—	$	—		$	(0.7	)	$	(0.7	)
Securities previously   impaired prior to current   period	(0.4		)	0.4		—		(11.0		)	9.5			(1.5		)
Total	$	(0.4	)	$	0.4	$	—	$	(11.0	)	$	8.8		$	(2.2	)

Each quarter the Bank updates its estimated cash flow projections and determines if there is an increase in the estimated cash flows the Bank will receive. If there is an increase in estimated cash flows and it is deemed significant, it is recorded as an increase in the yield on the Bank’s investment and is recognized as interest income over the life of the investment. Significant increases in cash flows resulted in $7.0 million and $6.7 million of interest income for the first nine months of 2013 and 2012, respectively.

The Bank transfers private label MBS from HTM to AFS when an OTTI credit loss is recorded on a security. The Bank believes that a credit loss constitutes evidence of deterioration in the credit quality of the security. The Bank believes that the transfer increases its flexibility to potentially sell other-than-temporarily-impaired securities if it makes economic sense. There were no transfers during the first nine months of 2013. During the first nine months of 2012, the Bank transferred private label MBS with a fair value of $11.3 million, as of the date of the transfer to AFS.

Management will continue to evaluate all impaired securities, including those private label MBS on which OTTI has been recorded. Material credit losses have occurred on private label MBS and may occur in the future. The specific amount of credit losses will depend on the actual performance of the underlying loan collateral as well as the Bank’s future modeling assumptions. The Bank cannot estimate the future amount of any additional credit losses.

As discussed above, the projection of cash flows expected to be collected on private label MBS involves significant judgment with respect to key modeling assumptions. Therefore, on all private label MBS, including HELOC investments, the Bank performed a cash flow analysis under one additional scenario which was agreed to by the OTTI Governance Committee that represented meaningful, plausible and more adverse external assumptions. This more adverse scenario decreases the short-term forecast by five percentage points, and slows housing price recovery rates 33%.The adverse scenario estimated cash flows were generated using the same model (Prime, Alt-A or subprime) as the base scenario. Using a model with more severe assumptions could increase the estimated credit loss recorded by the Bank. The securities included in this stress scenario were only those that were in an unrealized loss position at September 30, 2013. Additionally, the maximum credit loss under the adverse case was limited to the amount of the security's unrealized loss. The adverse case housing price forecast is not management’s current best estimate of cash flows and is therefore not used as a basis for determining OTTI. The table below classifies results based on the classification at the time of issuance and not the model used to estimate the cash flows.

	Three Months Ended September 30, 2013
	Adverse Case
($ in millions)	# of Securities (1)	Unpaid Principal Balance		OTTI Related to Credit Loss
Prime	—	$	—	$	—
Alt-A	—	—		—
Subprime	—	—		—
HELOCs	1	2.1		(0.1		)
Total	1	$	2.1	$	(0.1	)

Note:

⁽¹⁾ This security had an OTTI credit loss recorded in a prior period.

42

Credit and Counterparty Risk - Mortgage Loans, BOB Loans and Derivatives

Mortgage Loans.The Finance Agency has authorized the Bank to hold mortgage loans under the MPF Program whereby the Bank acquires mortgage loans from participating members in a shared credit risk structure. These assets carry CEs, which give them the approximate equivalent of a AA credit rating at the time of purchase by the Bank, although the CE is not actually rated. The Bank had net mortgage loans held for portfolio of $3.3 billion and $3.5 billion at September 30, 2013 and December 31, 2012, respectively, after an allowance for credit losses of $11.3 million and $14.2 million, respectively.

Mortgage Insurers. The Bank’s MPF Program currently has credit exposure to nine mortgage insurance companies which provide Primary Mortgage Insurance (PMI) and/or Supplemental Mortgage Insurance (SMI) for the Bank’s various products. The Bank closely monitors the financial condition of these mortgage insurers. PMI for MPF Program loans must be issued by a mortgage insurance company on the approved mortgage insurance company list whenever PMI coverage is required.

None of the Bank’s mortgage insurers currently maintain a rating of A- or better by at least one NRSRO. Given the credit deterioration of PMI providers, the estimate of the allowance for credit losses includes projected reduced claim payments. As required by the MPF Program, for ongoing PMI, the ratings model currently requires additional CE from the PFI to compensate for the mortgage insurer rating when it is below A+. All PFIs have met this requirement.

The MPF Plus product required SMI under the MPF Program when each pool was established. At September 30, 2013, eight of the 14 MPF Plus pools still have SMI policies in place. The Bank does not currently offer the MPF Plus product and has not purchased loans under MPF Plus Commitments since July 2006. Per MPF Program guidelines, the existing MPF Plus product exposure is required to be secured by the PFI once the SMI company is rated below AA-. The Finance Agency guidelines require mortgage insurers that underwrite SMI to be rated AA- or better. This requirement has been temporarily waived by the Finance Agency provided that the Bank otherwise mitigates the risk by requiring the PFI to secure the exposure. As of September 30, 2013, $64.3 million of SMI exposure had been secured by two PFIs.

The unpaid principal balance and maximum coverage outstanding for seriously delinquent loans with PMI as of September 30, 2013 was $18.9 million and $7.6 million, respectively. As of December 31, 2012 the unpaid principal balance and maximum coverage outstanding for seriously delinquent loans with PMI was $22.4 million and $8.7 million, respectively.

BOB Loans. The Bank's BOB loan program is targeted to small businesses in the Bank's district to assist in the growth and development of small businesses, including both start-up and expansion. The Bank makes funds available to members to extend credit to an approved small business borrower, thereby enabling small businesses to qualify for credit that otherwise may not be available. See Item 1. Business in the Bank's 2012 Form 10-K for additional information about the BOB loan program. The allowance for credit losses on BOB loans was $2.3 million and $2.5 million at September 30, 2013 and December 31, 2012, respectively.

Derivative Counterparties. The Bank transacts most of its derivatives with large banks and major broker-dealers. Some of these banks and broker-dealers or their affiliates buy, sell, and distribute consolidated obligations. Over-the-counter derivative transactions may be either executed with a counterparty (referred to as bilateral derivatives) or cleared through a Futures Commission Merchant (i.e., clearing agent) with a Derivatives Clearing Organization (referred to as cleared derivatives). The Bank is not a derivatives dealer and does not trade derivatives for short-term profit.

The Bank is subject to credit risk due to the risk of non-performance by counterparties to its derivative transactions. The amount of credit risk on derivatives depends on the extent to which netting procedures, collateral requirements and other credit enhancements are used and are effective in mitigating the risk. The Bank manages credit risk through credit analysis, collateral management, and other credit enhancements. The Bank is also required to follow the requirements set forth by applicable regulation.

Bilateral Derivatives. The Bank is subject to non-performance by counterparties to its bilateral derivative transactions. The Bank requires collateral on bilateral derivative transactions. The amount of net unsecured credit exposure that is permissible with respect to each counterparty depends on the credit rating of that counterparty. A counterparty must deliver collateral to the Bank if the total market value of the Bank's exposure to that counterparty rises above a specific trigger point. As a result of these risk mitigation initiatives, the Bank does not anticipate any credit losses on its bilateral derivative transactions with counterparties as of September 30, 2013.

Cleared Derivatives. The Bank is subject to credit risk due to non-performance by the Derivative Clearing Organizations (Clearing Houses) and clearing agent. The requirement that the Bank post initial and variation margin, through the clearing

43

agent, to the Clearing Houses, exposes the Bank to institutional credit risk in the event that the clearing agent or the Clearing Houses fail to meet their obligations. Initial margin is the amount calculated based on anticipated exposure to future changes in the value of a swap and protects the Clearing Houses from market risk in the event of default by one of its clearing agents. Variation margin is the amount calculated to cover the current exposure arising from changes in the market value of the position since the trade was executed or the previous time the position was marked to market. The Bank's use of cleared derivatives is intended to mitigate credit risk exposure because a central counterparty is substituted for individual counterparties and collateral is posted daily for changes in the value of cleared derivatives through a clearing agent. The Bank does not anticipate any credit losses on its cleared derivatives as of September 30, 2013.

The contractual or notional amount of derivative transactions reflects the involvement of the Bank in the various classes of financial instruments. The maximum credit risk of the Bank with respect to derivative transactions is the estimated cost of replacing the derivative transactions if there is a default, minus the value of any related collateral, including initial and variation margin. In determining maximum credit risk, the Bank considers accrued interest receivables and payables as well as the netting requirements to net assets and liabilities. The following table presents the derivative positions with non-member counterparties and member institutions to which the Bank has credit exposure at September 30, 2013 and December 31, 2013.

(in millions)	September 30, 2013
Credit Rating (1)	Notional Amount		Net Derivatives Fair Value Before Collateral			Cash Collateral Pledged To (From) Counterparties			Non-cash Collateral Pledged To (From) Counterparties			Net Credit Exposure to Counterparties
Non-member counterparties
Asset positions with credit    exposure:
Bilateral derivatives
AA	$	300.0	$	10.5		$	—		$	—		$	10.5
A	3,730.9		28.3			(8.0		)	(16.5		)	3.8
Liability positions with credit    exposure:
Cleared derivatives (2)	3,024.6		(7.1		)	25.8			—			18.7
Total derivative positions with credit exposure to non-member counterparties	7,055.5		31.7			17.8			(16.5		)	33.0
Member institutions (3)	20.4		0.5			—			—			0.5
Total	$	7,075.9	$	32.2		$	17.8		$	(16.5	)	$	33.5
Derivative positions without credit exposure	26,772.4
Total notional	$	33,848.3

44

(in millions)	December 31, 2012
Credit Rating (1)	Notional Amount		Net Derivatives Fair Value Before Collateral		Cash Collateral Pledged To (From) Counterparties			Non-cash Collateral Pledged To (From) Counterparties			Net Credit Exposure to Counterparties
Non-member counterparties
Asset positions with credit    exposure:
AA	$	403.0	$	16.7	$	(1.0	)	$	—		$	15.7
A	6,323.3		42.4		(30.9		)	(1.3		)	10.2
Total derivative positions with credit exposure to non-member counterparties	6,726.3		59.1		(31.9		)	(1.3		)	25.9
Member institutions (3)	34.3		0.6		—			—			0.6
Total	$	6,760.6	$	59.7	$	(31.9	)	$	(1.3	)	$	26.5
Derivative positions without credit exposure	24,453.4
Total notional	$	31,214.0

Notes:

⁽¹⁾ This table does not reflect any changes in rating, outlook or watch status occurring after September 30, 2013. The ratings presented in this table represent the lowest long-term counterparty credit rating available for each counterparty based on the NRSRO's used by the Bank.

⁽²⁾ Represents derivative transactions cleared through Clearing Houses, which are not rated.

⁽³⁾ Member institutions include mortgage delivery commitments. Collateral held with respect to derivatives with member institutions represents the minimum amount of eligible collateral physically held by or on behalf of the Bank or eligible collateral assigned to the Bank, as evidenced by a written security agreement, and held by the member institution for the benefit of the Bank.

The following tables summarize the Bank’s bilateral derivative counterparties which represent more than 10% of the Bank’s total notional amount outstanding and net credit exposure as of September 30, 2013 and December 31, 2012.

Notional Greater Than 10%	September 30, 2013				December 31, 2012
(dollars in millions) Derivative Counterparty	Credit Rating	Notional		% of Notional	Credit Rating	Notional		% of Notional
Deutsche Bank AG	A	$	6,383.1	20.7	A	$	5,930.5	19.0
Morgan Stanley Capital	BBB	3,537.3		11.5	BBB	3,185.6		10.2
JP Morgan Chase Bank, NA	A	3,447.4		11.2	A	3,588.5		11.5
BNP Paribas	(1)	(1)		(1)	A	4,168.6		13.4
All others	n/a	17,450.9		56.6	n/a	14,340.8		45.9
Total		$	30,818.7	100.0		$	31,214.0	100.0

Net Credit Exposure   Greater Than 10%	September 30, 2013				December 31, 2012
(dollars in millions) Derivative Counterparty	Credit Rating	Net Credit Exposure		% of Net Credit Exposure	Credit Rating	Net Credit Exposure		% of Net Credit Exposure
Royal Bank of Canada	AA	$	10.5	71.0	AA	$	15.0	56.9
HSBC Bank USA, NA	A	3.3		22.2	A	3.9		14.6
UBS AG	(2)	(2)		(2)	A	5.1		19.2
All others	n/a	1.0		6.8	n/a	2.5		9.3
Total		$	14.8	100.0		$	26.5	100.0

Notes:

⁽¹⁾ The percentage of notional was not greater than 10% as of September 30, 2013.

⁽²⁾ The counterparty had no credit exposure as of September 30, 2013.

45

To manage market risk, the Bank enters into derivative contracts. Some of these derivatives are with U.S. branches of financial institutions located in Europe. In terms of counterparty credit risk exposure, European financial institutions are exposed to the Bank as shown below.

(in millions)	September 30, 2013
Country of	Market Value		Collateral Obligation		Collateral Pledged
Counterparty	of Total Exposure		(Net Exposure)		by the Bank
Switzerland	$	133.4	$	133.3	$	132.3
United Kingdom	45.7		40.7		40.4
Germany	63.9		48.9		48.6
Total	$	243.0	$	222.9	$	221.3

(in millions)	December 31, 2012
Country of	Market Value		Collateral Obligation		Collateral Pledged
Counterparty	of Total Exposure		(Net Exposure)		by the Bank
Switzerland	$	172.0	$	172.0	$	171.5
United Kingdom	50.0		40.0		39.8
Germany	34.2		19.2		35.6
Total	$	256.2	$	231.2	$	246.9

Note: The average maturity of these derivative contracts is December 2018 and September 2017 at September 30, 2013 and December 31, 2012, respectively. Collateral Obligation (Net Exposure) is defined as Market Value of Total Exposure minus delivery threshold and minimum collateral transfer requirements.

In addition, the Bank is exposed to counterparty credit risk with U.S. branches of European financial institutions, as presented in the tables below.

(in millions)	September 30, 2013
Country of	Market Value		Collateral Obligation		Collateral Pledged
Counterparty	of Total Exposure		(Net Exposure)		to the Bank
France	$	7.0	$	7.0	$	6.7
United Kingdom	21.7		17.4		17.0
Total	$	28.7	$	24.4	$	23.7

(in millions)	December 31, 2012
Country of	Market Value		Collateral Obligation		Collateral Pledged
Counterparty	of Total Exposure		(Net Exposure)		to the Bank
France	$	6.2	$	6.2	$	6.7
United Kingdom	25.5		19.3		20.6
Switzerland	9.9		4.9		4.8
Total	$	41.6	$	30.4	$	32.1

Note: The average maturity of these derivative contracts is August 2018 and December 2017 at September 30, 2013 and December 31, 2012, respectively. Collateral Obligation (Net Exposure) is defined as Market Value of Total Exposure minus delivery threshold and minimum collateral transfer requirements.

To appropriately assess potential credit risk to its European holdings, the Bank annually underwrites each counterparty and country and regularly monitors NRSRO rating actions and other publications for changes to credit quality. The Bank also actively monitors its counterparties' approximate indirect exposure to European sovereign debt and considers this exposure as a component of its credit risk review process.

Liquidity and Funding Risk

As a wholesale bank, the Bank employs financial strategies that are designed to enable it to expand and contract its assets, liabilities and capital in response to changes in member credit demand, membership composition and other market factors. The Bank's liquidity resources are designed to support these strategies and are described further in the Bank's 2012 Form 10-K.

46

Consolidated obligation bonds and discount notes are rated Aaa with stable outlook/P-1 by Moody’s and AA+ with stable outlook/A-1+ by S & P, as of September 30, 2013. These ratings measure the likelihood of timely payment of principal and interest. At September 30, 2013, the Bank’s consolidated obligation bonds outstanding increased to $35.2 billion compared to $35.1 billion at December 31, 2012. The Bank also issues discount notes, which are shorter-term consolidated obligations, to support its short-term member advance portfolio and other short-term asset funding needs. Total discount notes outstanding at September 30, 2013 decreased to $22.0 billion compared to $24.2 billion at December 31, 2012, primarily due to a decrease in short-term advance activity. Access and funding levels have fluctuated with conditions in the global financial markets over the past several years. During the first nine months of 2013, funding levels remained relatively stable until late in the second quarter when spreads widened along with other fixed income securities, due to uncertainty surrounding future Federal Reserve bond purchases. Consolidated obligation bonds often have investor-determined features. The Bank primarily uses noncallable bonds as a source of funding but also utilizes structured notes such as callable bonds. Unswapped callable bonds primarily fund the Bank’s mortgage portfolio while swapped callable bonds fund other floating-rate assets. At September 30, 2013, callable bonds issued by the Bank were $12.9 billion, up approximately $4.6 billion from December 31, 2012. Note 10 - Consolidated Obligations to the unaudited financial statements in this Form 10-Q provides additional information regarding the Bank’s consolidated obligations.

The Bank is required to maintain a level of liquidity in accordance with certain Finance Agency guidance and policies established by management and the Board. The requirements are designed to enhance the Bank’s protection against temporary disruptions in access to the debt markets. The Bank was in compliance with these requirements at September 30, 2013.

Contingency Liquidity. In their asset/liability management planning, members may look to the Bank to provide standby liquidity. The Bank seeks to be in a position to meet its customers’ credit and liquidity needs without maintaining excessive holdings of low-yielding liquid investments or being forced to incur unnecessarily high borrowing costs. To satisfy these requirements and objectives, the Bank’s primary sources of liquidity are the issuance of new consolidated obligation bonds and discount notes and short-term investments, such as Federal funds sold and overnight securities purchased under agreements to resell. At September 30, 2013 and December 31, 2012, excess contingency liquidity was approximately $16.4 billion and $20.7 billion, respectively.

Refer to the Liquidity and Funding Risk section in Item 7. of the Bank's 2012 Form 10-K for additional information.

Joint and Several Liability. Although the Bank is primarily liable for its portion of consolidated obligations, (i.e., those issued on its behalf), the Bank is also jointly and severally liable with the other 11 FHLBanks for the payment of principal and interest on consolidated obligations of all the FHLBanks. The Finance Agency, in its discretion and notwithstanding any other provisions, may at any time order any FHLBank to make principal or interest payments due on any consolidated obligation, even in the absence of default by the primary obligor. To the extent that an FHLBank makes any payment on a consolidated obligation on behalf of another FHLBank, the paying FHLBank shall be entitled to reimbursement from the non-paying FHLBank, which has a corresponding obligation to reimburse the FHLBank to the extent of such assistance and other associated costs. However, if the Finance Agency determines that the non-paying FHLBank is unable to satisfy its obligations, then the Finance Agency may allocate the outstanding liability among the remaining FHLBanks on a pro rata basis in proportion to each FHLBank’s participation in all consolidated obligations outstanding, or on any other basis the Finance Agency may determine. Finance Agency regulations govern the issuance of debt on behalf of the FHLBanks and authorize the FHLBanks to issue consolidated obligations, through the OF as its agent. The Bank is not permitted to issue individual debt without Finance Agency approval. See Note 14 - Consolidated Obligations of the audited financial statements in Item 8. Financial Statements and Supplementary Financial Data in the Bank's 2012 Form 10-K for additional information.

Operating and Business Risks

The Bank is exposed to various operating and business risks. Operating risk is defined as the risk of unexpected loss resulting from human error, system malfunctions, man-made or natural disasters, fraud, legal risk, compliance risk, or circumvention or failure of internal controls and are categorized as compliance, fraud, legal, information and personnel operating risks. Business risk is the risk of an adverse impact on the Bank’s profitability or financial or business strategies resulting from external factors that may occur in the short-term and/or long-term. The Bank has established operating policies and procedures to manage each of the specific operating and business risks. For additional information, on operating and business risks, see the "Operating and Business Risks" discussion in the Risk Management section of Item 7. in the Bank's 2012 Form 10-K.

47

Item 1: Financial Statements (unaudited)

Federal Home Loan Bank of Pittsburgh

Statement of Income (unaudited)

	Three months ended September 30,						Nine months ended September 30,
(in thousands, except per share amounts)	2013			2012			2013			2012
Interest income:
Advances	$	55,559		$	66,122		$	167,858		$	197,027
Prepayment fees on advances, net	9			2,230			2,124			14,266
Interest-bearing deposits	112			171			368			511
Securities purchased under agreements to resell	14			1,415			848			3,114
Federal funds sold	726			838			3,325			1,874
Trading securities	9			156			72			844
Available-for-sale (AFS) securities	30,399			32,224			87,964			96,305
Held-to-maturity (HTM) securities	23,298			32,273			75,461			104,528
Mortgage loans held for portfolio	34,200			41,284			107,463			128,788
Total interest income	144,326			176,713			445,483			547,257
Interest expense:
Consolidated obligations - discount notes	3,677			6,443			13,445			12,327
Consolidated obligations - bonds	92,783			120,035			295,424			392,153
Mandatorily redeemable capital stock	317			205			1,336			319
Deposits	55			138			269			415
Other borrowings	3			8			14			29
Total interest expense	96,835			126,829			310,488			405,243
Net interest income	47,491			49,884			134,995			142,014
Provision (benefit) for credit losses	(682		)	(156		)	(2,025		)	(39		)
Net interest income after provision (benefit) for credit losses	48,173			50,040			137,020			142,053
Other noninterest income (loss):
Total OTTI losses (Note 5)	—			—			—			(2,191		)
OTTI losses reclassified (from) AOCI (Note 5)	—			(186		)	(442		)	(8,833		)
Net OTTI losses, credit portion (Note 5)	—			(186		)	(442		)	(11,024		)
Net gains on trading securities (Note 2)	166			188			449			334
Net realized (loss) from sales of AFS securities (Note 3)	(41		)	—			(41		)	—
Net gains on derivatives and hedging activities (Note 9)	5,396			3,482			14,132			2,641
Net gains on extinguishment of debt	9,665			—			9,665			—
Other, net	2,623			969			8,774			5,412
Total other noninterest income (loss)	17,809			4,453			32,537			(2,637		)
Other expense:
Compensation and benefits expense	9,232			9,127			28,372			27,387
Other operating expense	6,698			6,797			19,847			19,368
Finance Agency expense	795			1,093			2,761			3,511
Office of Finance expense	907			798			2,708			2,459
Total other expense	17,632			17,815			53,688			52,725
Income before assessments	48,350			36,678			115,869			86,691
Affordable Housing Program (AHP) assessment	4,866			3,688			11,720			8,701
Net income	$	43,484		$	32,990		$	104,149		$	77,990
Earnings per share:
Weighted avg shares outstanding (excludes mandatorily redeemable capital stock)	27,005			30,546			27,649			31,008
Basic and diluted earnings per share	$	1.61		$	1.08		$	3.77		$	2.52
Dividends per share	$	0.26		$	0.03		$	0.41		$	0.08

The accompanying notes are an integral part of these financial statements.

48

Federal Home Loan Bank of Pittsburgh

Statement of Comprehensive Income (unaudited)

	Three months ended September 30,					Nine months ended September 30,
(in thousands)	2013			2012		2013			2012
Net income	$	43,484		$	32,990	$	104,149		$	77,990
Other comprehensive income (loss):
Net unrealized gains (losses) on AFS securities:
Unrealized gains (losses)	(7,115		)	17,449		(59,301		)	29,792
Reclassification of losses included in net income	41			—		41			—
Total net unrealized gains (losses) on AFS	(7,074		)	17,449		(59,260		)	29,792
Net non-credit portion of OTTI losses on AFS securities:
Non-credit OTTI losses transferred from HTM securities	—			—		—			(662		)
Net change in fair value of OTTI securities	1,228			62,497		24,595			117,751
Unrealized gains	1,706			26,851		23,147			34,361
Reclassification of non-credit portion included in net income	—			186		442			9,495
Total net non-credit portion of OTTI losses on AFS securities	2,934			89,534		48,184			160,945
Net non-credit portion of OTTI losses on HTM securities:
Non-credit portion	—			—		—			(662		)
Transfer of non-credit portion from HTM to AFS securities	—			—		—			662
Total net non-credit portion of OTTI losses on HTM securities	—			—		—			—
Reclassification of net losses included in net income relating    to hedging activities	—			—		1			—
Pension and post-retirement benefits	80			29		131			54
Total other comprehensive income (loss)	(4,060		)	107,012		(10,944		)	190,791
Total comprehensive income	$	39,424		$	140,002	$	93,205		$	268,781

The accompanying notes are an integral part of these financial statements.

49

Federal Home Loan Bank of Pittsburgh

Statement of Condition (unaudited)

(in thousands)	September 30, 2013		December 31, 2012
ASSETS
Cash and due from banks	$	3,063,054	$	1,350,594
Interest-bearing deposits	4,351		11,435
Federal funds sold	3,705,000		4,595,000
Securities purchased under agreements to resell	250,000		2,500,000
Investment securities:
Trading securities (Note 2)	57,837		353,590
AFS securities, at fair value, includes $54,090 pledged as collateral that may    be repledged at September 30, 2013 (Note 3)	6,927,169		5,932,248
HTM securities; fair value of $4,634,678 and $5,755,755, respectively (Note 4)	4,587,304		5,664,954
Total investment securities	11,572,310		11,950,792
Advances (Note 6)	39,505,938		40,497,787
Mortgage loans held for portfolio (Note 7), net of allowance for credit losses of     $11,272 and $14,163, respectively (Note 8)	3,277,725		3,532,549
Banking on Business (BOB) loans, net of allowance for credit losses of     $2,341 and $2,481, respectively (Note 8)	11,180		12,846
Accrued interest receivable	85,088		92,685
Premises, software and equipment, net	11,349		13,299
Derivative assets (Note 9)	49,913		27,803
Other assets	26,871		31,482
Total assets	$	61,562,779	$	64,616,272

50

Federal Home Loan Bank of Pittsburgh

Statement of Condition (unaudited)

(continued)

(in thousands, except par value)	September 30, 2013		December 31, 2012
LIABILITIES AND CAPITAL
Liabilities
Deposits:
Interest-bearing	$	747,013	$	960,903
Noninterest-bearing	33,676		38,988
Total deposits	780,689		999,891
Consolidated obligations, net: (Note 10)
Discount notes	21,983,019		24,148,453
Bonds	35,225,393		35,135,608
Total consolidated obligations, net	57,208,412		59,284,061
Mandatorily redeemable capital stock (Note 11)	40		431,566
Accrued interest payable	150,223		114,003
Affordable Housing Program	33,354		24,457
Derivative liabilities (Note 9)	147,351		310,425
Other liabilities	60,115		22,924
Total liabilities	58,380,184		61,187,327
Commitments and contingencies (Note 14)
Capital (Note 11)
Capital stock - putable ($100 par value) issued and outstanding      24,876 and 28,160 shares	2,487,621		2,815,965
Retained earnings:
Unrestricted	600,875		528,767
Restricted	51,338		30,508
Total retained earnings	652,213		559,275
Accumulated other comprehensive income (AOCI)	42,761		53,705
Total capital	3,182,595		3,428,945
Total liabilities and capital	$	61,562,779	$	64,616,272

The accompanying notes are an integral part of these financial statements.

51

Federal Home Loan Bank of Pittsburgh

Statement of Cash Flows (unaudited)

	Nine months ended September 30,
(in thousands)	2013			2012
OPERATING ACTIVITIES
Net income	$	104,149		$	77,990
Adjustments to reconcile net income to net cash provided by   (used in) operating activities:
Depreciation and amortization	(27,633		)	9,148
Change in net fair value adjustment on derivative and hedging activities	(23,170		)	69,349
Net OTTI credit losses	442			11,024
Gain on extinguishment of debt	(9,665		)	—
Other adjustments	(1,985		)	(43		)
Net change in:
Trading securities	331,724			(129,730		)
Accrued interest receivable	7,688			11,420
Other assets	800			2,069
Accrued interest payable	36,217			20,110
Other liabilities	8,643			5,571
Total adjustments	323,061			(1,082		)
Net cash provided by operating activities	$	427,210		$	76,908
INVESTING ACTIVITIES
Net change in:
Interest-bearing deposits (including $7,084 and $5,016   from other FHLBanks for mortgage loan program)	$	(157,297	)	$	116,397
Securities purchased under agreements to resell	2,250,000			(2,250,000		)
Federal funds sold	890,000			115,000
Premises, software and equipment, net	(2,091		)	(2,390		)
AFS securities:
Proceeds (include $19,909 from sale of AFS securities in 2013)	1,309,600			1,685,434
Purchases	(2,315,345		)	(3,395,721		)
HTM securities:
Net change in short-term	50,000			1,300,000
Proceeds from long-term	1,026,885			1,185,788
Advances:
Proceeds	185,636,427			129,286,409
Made	(184,868,258		)	(136,616,238		)
Mortgage loans held for portfolio:
Proceeds	648,991			699,272
Purchases	(390,652		)	(397,646		)
Net cash provided by (used in) investing activities	$	4,078,260		$	(8,273,695	)

52

Federal Home Loan Bank of Pittsburgh

Statement of Cash Flows (unaudited)

(continued)

	Nine months ended September 30,
(in thousands)	2013			2012
FINANCING ACTIVITIES
Net change in:
Deposits and pass-through reserves	$	(243,104	)	$	(24,969	)
Net payments for derivative contracts with financing element	(24,152		)	(89,671		)
Net proceeds from issuance of consolidated obligations:
Discount notes	194,551,475			315,609,494
Bonds (none from other FHLBanks)	21,153,447			26,631,719
Payments for maturing and retiring consolidated obligations:
Discount notes	(196,715,749		)	(305,647,045		)
Bonds	(20,743,774		)	(28,512,209		)
Proceeds from issuance of capital stock	933,991			321,423
Payments for repurchase/redemption of mandatorily redeemable   capital stock	(432,224		)	(41,028		)
Payments for repurchase/redemption of capital stock	(1,261,637		)	(436,079		)
Cash dividends paid	(11,283		)	(2,403		)
Net cash (used in) provided by financing activities	$	(2,793,010	)	$	7,809,232
Net increase (decrease) in cash and cash equivalents	$	1,712,460		$	(387,555	)
Cash and cash equivalents at beginning of the period	1,350,594			634,278
Cash and cash equivalents at end of the period	$	3,063,054		$	246,723
Supplemental disclosures:
Interest paid	$	308,684		$	415,969
AHP payments, net	2,823			2,851
Transfers of mortgage loans to real estate owned	13,315			16,576
Non-cash transfer of OTTI HTM securities to AFS	—			11,268

The accompanying notes are an integral part of these financial statements.

53

Federal Home Loan Bank of Pittsburgh

Statement of Changes in Capital (unaudited)

	Capital Stock - Putable					Retained Earnings
(in thousands)	Shares		Par Value			Unrestricted			Restricted		Total			AOCI			Total Capital
December 31, 2011	33,899		$	3,389,863		$	430,774		$	4,566	$	435,340		$	(162,365	)	$	3,662,838
Issuance of capital stock	3,214		321,423			—			—		—			—			321,423
Repurchase/redemption of capital stock	(4,361	)	(436,079		)	—			—		—			—			(436,079		)
Net shares reclassified to mandatorily    redeemable capital stock	(1,835	)	(183,483		)	—			—		—			—			(183,483		)
Comprehensive income	—		—			62,392			15,598		77,990			190,791			268,781
Cash dividends	—		—			(2,403		)	—		(2,403		)	—			(2,403		)
September 30, 2012	30,917		$	3,091,724		$	490,763		$	20,164	$	510,927		$	28,426		$	3,631,077

	Capital Stock - Putable					Retained Earnings
(in thousands)	Shares		Par Value			Unrestricted			Restricted		Total			AOCI			Total Capital
December 31, 2012	28,160		$	2,815,965		$	528,767		$	30,508	$	559,275		$	53,705		$	3,428,945
Issuance of capital stock	9,340		933,991			—			—		—			—			933,991
Repurchase/redemption of capital stock	(12,617	)	(1,261,637		)	—			—		—			—			(1,261,637		)
Net shares reclassified to mandatorily    redeemable capital stock	(7	)	(698		)	—			—		—			—			(698		)
Comprehensive income	—		—			83,319			20,830		104,149			(10,944		)	93,205
Cash dividends	—		—			(11,211		)	—		(11,211		)	—			(11,211		)
September 30, 2013	24,876		$	2,487,621		$	600,875		$	51,338	$	652,213		$	42,761		$	3,182,595

The accompanying notes are an integral part of these financial statements.

54

Federal Home Loan Bank of Pittsburgh

Notes to Financial Statements (unaudited)

Background Information

The Bank, a federally chartered corporation, is one of 12 district Federal Home Loan Banks (FHLBanks). The FHLBanks are government-sponsored enterprises (GSEs) that serve the public by increasing the availability of credit for residential mortgages and community development. The Bank provides a readily available, low-cost source of funds to its member institutions. The Bank is a cooperative, which means that current members own nearly all of the outstanding capital stock of the Bank. All holders of the Bank’s capital stock may, to the extent declared by the Board, receive dividends on their capital stock. Regulated financial depositories and insurance companies engaged in residential housing finance that maintain their principal place of business in Delaware, Pennsylvania or West Virginia may apply for membership. Community Development Financial Institutions (CDFIs) which meet membership regulation standards are also eligible to become Bank members. State and local housing associates that meet certain statutory and regulatory criteria may also borrow from the Bank. While eligible to borrow, state and local housing associates are not members of the Bank and, as such, are not required to hold capital stock.

All members must purchase stock in the Bank. The amount of capital stock a member owns is based on outstanding advances, letters of credit, membership asset value, and the principal balance of certain residential mortgage loans sold to the Bank. The Bank considers those members with capital stock outstanding in excess of 10% of total capital stock outstanding to be related parties. See Note 12 - Transactions with Related Parties for additional information.

The Federal Housing Finance Agency (Finance Agency) is the independent regulator of the FHLBanks. The mission of the Finance Agency is to provide effective supervision, regulation and housing mission oversight of the FHLBanks to promote their safety and soundness, support housing finance and affordable housing, and support a stable and liquid mortgage market. Each FHLBank operates as a separate entity with its own management, employees and board of directors. The Bank does not consolidate any off-balance sheet special-purpose entities or other conduits.

As provided by the Housing and Economic Recovery Act of 2008 as amended (Housing Act), or Finance Agency regulation, the Bank’s debt instruments, referred to as consolidated obligations, are the joint and several obligations of all the FHLBanks and are the primary source of funds for the FHLBanks. These funds are primarily used to provide advances, purchase mortgages from members through the MPF Program and purchase certain investments. See Note 10 - Consolidated Obligations for additional information. The Office of Finance (OF) is a joint office of the FHLBanks established to facilitate the issuance and servicing of the consolidated obligations of the FHLBanks and to prepare the combined quarterly and annual financial reports of all 12 FHLBanks. Deposits, other borrowings, and capital stock issued to members provide other funds. The Bank primarily invests these funds in short-term investments to provide liquidity. The Bank also provides member institutions with correspondent services, such as wire transfer, safekeeping and settlement.

The accounting and financial reporting policies of the Bank conform to U.S. Generally Accepted Accounting Principles (GAAP). Preparation of the unaudited financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, as well as the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of income and expenses. Actual results could differ from those estimates. In addition, from time to time certain amounts in the prior period may be reclassified to conform to the current presentation. These reclassifications did not have a material impact on the Bank's financial statements. In the opinion of management, all normal recurring adjustments have been included for a fair statement of this interim financial information. These unaudited financial statements should be read in conjunction with the audited financial statements for the year ended December 31, 2012 included in the Bank's 2012 Form 10-K.

55

Notes to Financial Statements (continued)

Note 1 – Accounting Adjustments, Changes in Accounting Principle and Recently Issued Accounting Standards and Interpretations

Framework for Adversely Classifying Loans, Other Real Estate Owned, and Other Assets and Listing Assets for Special Mention. In April 2012, the Finance Agency issued Advisory Bulletin 2012-02, Framework for Adversely Classifying Loans, Other Real Estate Owned, and Other Assets and Listing Assets for Special Mention (AB 2012-02). AB 2012-02 establishes a standard and uniform methodology for adverse classification and identification of special mention assets and off-balance sheet credit exposures at the FHLBanks, excluding investment securities. In May 2013, the Finance Agency issued Advisory Bulletin 2013-02 (AB 2013-02) which clarifies that the adverse classification requirements of AB 2012-02 will be effective for the Bank beginning January 1, 2014, and the charge-off requirements will be effective for the Bank beginning January 1, 2015. The Bank is currently assessing the provisions of AB 2012-02 and has not yet determined the effect that it will have on the Bank’s Statement of Income, Statement of Comprehensive Income, or Statement of Condition.

Obligations Resulting from Joint and Several Liability Arrangements. In February 2013, the FASB issued guidance for the recognition, measurement and disclosure of obligations resulting from joint and several liability arrangements for which the total amount of the obligation within the scope of this guidance is fixed at the reporting date. This guidance requires an entity to measure such obligations as the sum of (1) the amount the reporting entity agreed to pay on the basis of its arrangement among its co-obligors and (2) any additional amount the reporting entity expects to pay on behalf of its co-obligors. In addition, this guidance requires an entity to disclose the nature and amount of the obligation as well as other information about those obligations. This guidance is effective for the Bank beginning January 1, 2014. The Bank's joint and several obligation associated with its consolidated obligations is within the scope of this guidance. However, this guidance will have no impact on the Bank’s Statement of Income, Statement of Comprehensive Income, or Statement of Condition.

Federal Funds Rate as a Benchmark Rate. In July 2013, the FASB issued guidance permitting the use of the Federal funds effective swap rate as a benchmark interest rate for hedge accounting. This guidance allowed the Bank to begin using this benchmark rate on a prospective basis in new or re-designated hedging relationships beginning July 17, 2013. The Bank has elected not to use this strategy, but it may impact the Bank's Statement of Income, Statement of Comprehensive Income, or Statement of Condition if it elects to utilize this hedging strategy in future periods.

The following pronouncements have impacted, or will impact, the Bank’s financial disclosures but will have no impact on its Statement of Income, Statement of Comprehensive Income, or Statement of Condition.

Offsetting Assets and Liabilities. In December 2011, the FASB issued new disclosure requirements for assets and liabilities which are offset in the financial statements. The guidance requires presentation of both gross and net information about derivatives and repurchase agreements which are offset. This guidance was effective for the Bank beginning January 1, 2013 and was applied retrospectively. Refer to Note 9 - Derivatives and Hedging Activities. Based on the fair value of the related collateral held, the securities purchased under agreements to resell were fully collateralized for the periods presented.

Disclosures of Amounts Reclassified Out of Accumulated Other Comprehensive Income. During February 2013, the FASB issued guidance to improve the transparency of disclosures about reclassifications out of AOCI. The guidance requires disclosure of significant amounts reclassified out of AOCI and cross-references to other reclassification disclosures required by GAAP. This guidance was effective for the Bank beginning January 1, 2013 and was applied prospectively. Refer to Note 11- Capital for this disclosure.

56

Notes to Financial Statements (continued)

Note 2 – Trading Securities

The following table presents trading securities as of September 30, 2013 and December 31, 2012.

(in thousands)	September 30, 2013		December 31, 2012
Non-MBS:
GSE securities	$	53,655	$	—
U.S. Treasury bills	—		349,990
Mutual funds	4,182		3,600
Total	$	57,837	$	353,590

The mutual funds are held in a Rabbi trust to generate returns that seek to offset changes in liabilities related to market risk of certain deferred compensation agreements. These deferred compensation liabilities were $4.2 million and $3.7 million at September 30, 2013 and December 31, 2012, respectively, as reported in Other liabilities in the Statement of Condition.

The following table presents net gains (losses) on trading securities for the third quarter and the first nine months of 2013 and 2012.

	Three months ended September 30,				Nine months ended September 30,
(in thousands)	2013		2012		2013			2012
Net unrealized gains on trading securities held at period-end	$	166	$	168	$	484		$	408
Net realized (losses) on securities sold/matured during the period	—		20		(35		)	(74		)
Net gains on trading securities	$	166	$	188	$	449		$	334

Note 3 – Available-for-Sale (AFS) Securities

The following tables present AFS securities as of September 30, 2013 and December 31, 2012.

	September 30, 2013
(in thousands)	Amortized Cost (1)		OTTI Recognized in AOCI (2)			Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Non-MBS:
Mutual funds	$	1,993	$	—		$	5	$	—		$	1,998
GSE and Tennessee Valley Authority obligations	2,256,608		—			1,859		(8,674		)	2,249,793
State or local agency obligations	15,860		—			67		(1,490		)	14,437
Total non-MBS	$	2,274,461	$	—		$	1,931	$	(10,164	)	$	2,266,228
MBS:
Other U.S. obligations residential MBS	$	401,481	$	—		$	—	$	(1,310	)	$	400,171
GSE MBS	3,080,141		—			12,710		(26,831		)	3,066,020
Private label MBS:
Private label residential MBS	1,115,440		(4,434		)	69,208		(206		)	1,180,008
HELOCs	12,333		(202		)	2,611		—			14,742
Total private label MBS	1,127,773		(4,636		)	71,819		(206		)	1,194,750
Total MBS	$	4,609,395	$	(4,636	)	$	84,529	$	(28,347	)	$	4,660,941
Total AFS securities	$	6,883,856	$	(4,636	)	$	86,460	$	(38,511	)	$	6,927,169

57

Notes to Financial Statements (continued)

	December 31, 2012
(in thousands)	Amortized Cost (1)		OTTI Recognized in AOCI (2)			Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Non-MBS:
Mutual funds	$	1,993	$	—		$	5	$	—		$	1,998
Other U.S. obligations	21,000		—			16		—			21,016
GSE securities	1,169,850		—			296		(802		)	1,169,344
State or local agency obligations	11,400		—			—		(270		)	11,130
Total non-MBS	$	1,204,243	$	—		$	317	$	(1,072	)	$	1,203,488
MBS:
Other U.S. obligations residential MBS	$	310,541	$	—		$	284	$	(120	)	$	310,705
GSE MBS	2,956,471		—			36,379		(29		)	2,992,821
Private label MBS:
Private label residential MBS	1,391,941		(29,142		)	48,045		(368		)	1,410,476
HELOCs	14,662		(532		)	628		—			14,758
Total private label MBS	1,406,603		(29,674		)	48,673		(368		)	1,425,234
Total MBS	$	4,673,615	$	(29,674	)	$	85,336	$	(517	)	$	4,728,760
Total AFS securities	$	5,877,858	$	(29,674	)	$	85,653	$	(1,589	)	$	5,932,248

Notes:

⁽¹⁾ Amortized cost includes adjustments made to the cost basis of an investment for accretion of discounts and/or amortization of premiums, collection of cash, previous OTTI recognized in earnings, and/or fair value hedge accounting adjustments.

⁽²⁾ Represents the non-credit portion of an OTTI recognized during the life of the security.

The Bank has established a Rabbi trust to secure a portion of the benefits under its supplemental retirement plan. The Rabbi trust assets are invested in mutual funds. These obligations were $4.5 million at both September 30, 2013 and December 31, 2012, as reported in Other liabilities in the Statement of Condition.

As of September 30, 2013, the amortized cost of the Bank’s MBS classified as AFS included net purchased discounts of $7.8 million, credit losses of $252.8 million and OTTI-related accretion adjustments of $1.2 million. As of December 31, 2012, the amortized cost of the Bank’s MBS classified as AFS included net purchased discounts of $8.0 million and credit losses of $293.5 million and OTTI-related accretion adjustments of $1.1 million.

The following table presents a reconciliation of the AFS OTTI loss recognized through AOCI to the total net non-credit portion of OTTI gains on AFS securities in AOCI as of September 30, 2013 and December 31, 2012.

(in thousands)	September 30, 2013			December 31, 2012
Non-credit portion of OTTI losses	$	(4,636	)	$	(29,674	)
Net unrealized gains on OTTI securities since their last OTTI credit charge	71,819			48,673
Net non-credit portion of OTTI gains on AFS securities in AOCI	$	67,183		$	18,999

58

Notes to Financial Statements (continued)

The following tables summarize the AFS securities with unrealized losses as of September 30, 2013 and December 31, 2012. The unrealized losses are aggregated by major security type and length of time that individual securities have been in a continuous unrealized loss position.

	September 30, 2013
	Less than 12 Months					Greater than 12 Months					Total
(in thousands)	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses (1)
Non-MBS:
GSE and Tennessee Valley Authority obligations	$	1,414,919	$	(8,563	)	$	249,872	$	(111	)	$	1,664,791	$	(8,674	)
State or local agency obligations	4,063		(388		)	8,958		(1,102		)	13,021		(1,490		)
Total non-MBS	$	1,418,982	$	(8,951	)	$	258,830	$	(1,213	)	$	1,677,812	$	(10,164	)
MBS:
Other U.S. obligations residential MBS	$	361,209	$	(1,188	)	$	38,962	$	(122	)	$	400,171	$	(1,310	)
GSE MBS	1,204,151		(26,831		)	—		—			1,204,151		(26,831		)
Private label:
Private label residential MBS	68,052		(1,116		)	61,244		(3,524		)	129,296		(4,640		)
HELOCs	—		—			1,651		(202		)	1,651		(202		)
Total private label MBS	68,052		(1,116		)	62,895		(3,726		)	130,947		(4,842		)
Total MBS	$	1,633,412	$	(29,135	)	$	101,857	$	(3,848	)	$	1,735,269	$	(32,983	)
Total	$	3,052,394	$	(38,086	)	$	360,687	$	(5,061	)	$	3,413,081	$	(43,147	)

	December 31, 2012
	Less than 12 Months					Greater than 12 Months					Total
(in thousands)	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses (1)
Non-MBS:
GSE securities	$	719,190	$	(708	)	$	49,907	$	(94	)	$	769,097	$	(802	)
State or local agency obligations	11,130		(270		)	—		—			11,130		(270		)
Total non-MBS	$	730,320	$	(978	)	$	49,907	$	(94	)	$	780,227	$	(1,072	)
MBS:
Other U.S. obligations residential MBS	$	94,848	$	(120	)	$	—	$	—		$	94,848	$	(120	)
GSE MBS	72,619		(29		)	—		—			72,619		(29		)
Private label:
Private label residential MBS	12,728		(60		)	521,311		(29,450		)	534,039		(29,510		)
HELOCs	—		—			3,230		(532		)	3,230		(532		)
Total private label MBS	12,728		(60		)	524,541		(29,982		)	537,269		(30,042		)
Total MBS	$	180,195	$	(209	)	$	524,541	$	(29,982	)	$	704,736	$	(30,191	)
Total	$	910,515	$	(1,187	)	$	574,448	$	(30,076	)	$	1,484,963	$	(31,263	)

Note:

⁽¹⁾ Total unrealized losses equal the sum of “OTTI Recognized in AOCI” and “Gross Unrealized Losses” in the first two tables of this Note 3.

Securities Transferred.  The Bank may transfer investment securities from HTM to AFS when an OTTI credit loss has been recorded on the security. The Bank believes that a credit loss constitutes evidence of a significant decline in the issuer’s creditworthiness. The Bank transfers these securities to increase its flexibility to sell the securities if management determines it is prudent to do so. Refer to description in Note 4 - Held-to-Maturity Securities. The Bank transferred no private label MBS from HTM to AFS during the first nine months of 2013 and one during the first nine months of 2012. This security had an OTTI credit loss recorded during the period in which it was transferred and had an amortized cost of $11.9 million, an OTTI recognized in OCI of $(0.7) million, and a fair value of $11.2 million.

59

Notes to Financial Statements (continued)

Redemption Terms. The amortized cost and fair value of AFS securities by contractual maturity as of September 30, 2013 and December 31, 2012 are presented below. Expected maturities of some securities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment fees.

(in thousands)	September 30, 2013				December 31, 2012
Year of Maturity	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Due in one year or less	$	201,991	$	202,162	$	201,993	$	201,832
Due after one year through five years	1,453,182		1,449,611		969,850		969,510
Due after five years through ten years	447,630		445,037		21,000		21,016
Due in more than ten years	171,658		169,418		11,400		11,130
AFS securities excluding MBS	2,274,461		2,266,228		1,204,243		1,203,488
MBS	4,609,395		4,660,941		4,673,615		4,728,760
Total AFS securities	$	6,883,856	$	6,927,169	$	5,877,858	$	5,932,248

Interest Rate Payment Terms.  The following table details interest payment terms at September 30, 2013 and December 31, 2012.

(in thousands)	September 30, 2013		December 31, 2012
Amortized cost of AFS securities other than MBS:
Fixed-rate	$	1,689,982	$	504,298
Variable-rate	584,479		699,945
Total non-MBS	$	2,274,461	$	1,204,243
Amortized cost of AFS MBS:
Fixed-rate	$	2,233,019	$	2,050,785
Variable-rate	2,376,376		2,622,830
Total MBS	$	4,609,395	$	4,673,615
Total AFS securities	$	6,883,856	$	5,877,858

Note: Certain MBS have a fixed-rate component for a specified period of time, then have a rate reset on a given date. Examples of this type of instrument would include securities supported by underlying 3/1, 5/1, 7/1 and 10/1 hybrid ARMs. In addition, certain of these securities may have a provision within the structure that permits the fixed rate to be adjusted for items such as prepayment, defaults and loan modification. For purposes of the table above, these securities are reported as fixed-rate until the rate reset date is hit. At that point, the security is then considered to be variable-rate.

Realized Losses on AFS Securities. The following table provides a summary of proceeds and gross losses on sale of one AFS security for the three and nine months ended September 30, 2013 and 2012.

	Three months ended September 30,					Nine months ended September 30,
(in thousands)	2013			2012		2013			2012
Proceeds from sale of AFS securities	$	19,909		$	—	$	19,909		$	—
Gross losses on AFS securities	(41		)	—		(41		)	—

60

Notes to Financial Statements (continued)

Note 4 – Held-to-Maturity (HTM) Securities

The following tables present HTM securities as of September 30, 2013 and December 31, 2012.

	September 30, 2013
(in thousands)	Amortized Cost		Gross Unrealized Holding Gains		Gross Unrealized Holding Losses			Fair Value
Non-MBS:
Certificates of deposit	$	350,000	$	14	$	—		$	350,014
GSE securities	16,814		676		—			17,490
State or local agency obligations	247,766		4,783		(11,235		)	241,314
Total non-MBS	$	614,580	$	5,473	$	(11,235	)	$	608,818
MBS:
Other U.S. obligations residential MBS	$	1,526,856	$	9,179	$	(96	)	$	1,535,939
GSE MBS	1,499,293		56,388		(222		)	1,555,459
Private label MBS:
Private label residential MBS	936,444		5,383		(16,349		)	925,478
HELOCs	10,131		—		(1,147		)	8,984
Total private label MBS	946,575		5,383		(17,496		)	934,462
Total MBS	$	3,972,724	$	70,950	$	(17,814	)	$	4,025,860
Total HTM securities	$	4,587,304	$	76,423	$	(29,049	)	$	4,634,678

	December 31, 2012
(in thousands)	Amortized Cost		Gross Unrealized Holding Gains		Gross Unrealized Holding Losses			Fair Value
Non-MBS:
Certificates of deposit	$	400,000	$	36	$	—		$	400,036
GSE securities	24,830		1,283		—			26,113
State or local agency obligations	254,734		8,961		(14,202		)	249,493
Total non-MBS	$	679,564	$	10,280	$	(14,202	)	$	675,642
MBS:
Other U.S. obligations residential MBS	$	1,922,589	$	12,568	$	—		$	1,935,157
GSE MBS	1,842,212		98,878		(137		)	1,940,953
Private label MBS:
Private label residential MBS	1,208,482		12,720		(27,510		)	1,193,692
HELOCs	12,107		—		(1,796		)	10,311
Total private label MBS	1,220,589		12,720		(29,306		)	1,204,003
Total MBS	$	4,985,390	$	124,166	$	(29,443	)	$	5,080,113
Total HTM securities	$	5,664,954	$	134,446	$	(43,645	)	$	5,755,755

61

Notes to Financial Statements (continued)

The following tables summarize the HTM securities with unrealized losses as of September 30, 2013 and December 31, 2012. The unrealized losses are aggregated by major security type and length of time that individual securities have been in a continuous unrealized loss position.

	September 30, 2013
	Less than 12 Months					Greater than 12 Months					Total
(in thousands)	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
Non-MBS:
State or local agency obligations	$	18,594	$	(45	)	$	135,519	$	(11,190	)	$	154,113	$	(11,235	)
MBS:
Other U.S. obligations residential MBS	$	149,873	$	(96	)	$	—	$	—		$	149,873	$	(96	)
GSE MBS	101,465		(120		)	14,049		(102		)	115,514		(222		)
Private label MBS:
Private label residential MBS	217,946		(2,603		)	237,157		(13,746		)	455,103		(16,349		)
HELOCs	—		—			8,984		(1,147		)	8,984		(1,147		)
Total private label MBS	217,946		(2,603		)	246,141		(14,893		)	464,087		(17,496		)
Total MBS	$	469,284	$	(2,819	)	$	260,190	$	(14,995	)	$	729,474	$	(17,814	)
Total	$	487,878	$	(2,864	)	$	395,709	$	(26,185	)	$	883,587	$	(29,049	)

	December 31, 2012
	Less than 12 Months					Greater than 12 Months					Total
(in thousands)	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
Non-MBS:
State or local agency obligations	$	—	$	—		$	136,248	$	(14,202	)	$	136,248	$	(14,202	)
MBS:
GSE MBS	$	45,809	$	(3	)	$	17,072	$	(134	)	$	62,881	$	(137	)
Private label MBS:
Private label residential MBS	—		—			464,771		(27,510		)	464,771		(27,510		)
HELOCs	—		—			10,311		(1,796		)	10,311		(1,796		)
Total private label MBS	—		—			475,082		(29,306		)	475,082		(29,306		)
Total MBS	$	45,809	$	(3	)	$	492,154	$	(29,440	)	$	537,963	$	(29,443	)
Total	$	45,809	$	(3	)	$	628,402	$	(43,642	)	$	674,211	$	(43,645	)

Securities Transferred. The Bank had no transfers of securities from HTM to AFS during the first nine months of 2013. During the first nine months of 2012, the Bank transferred one private label MBS from HTM to AFS. See Note 3 - Available-for-Sale Securities for additional information.

Changes in circumstances may cause the Bank to change its intent to hold a certain security to maturity without calling into question its intent to hold other debt securities to maturity in the future. Thus, the transfer or sale of an HTM security due to certain changes in circumstances, such as evidence of significant deterioration in the issuer’s creditworthiness or changes in regulatory requirements, is not considered to be inconsistent with its original classification. Other events that are isolated, nonrecurring, and unusual for the Bank that could not have been reasonably anticipated may cause the Bank to transfer or sell an HTM security without necessarily calling into question its intent to hold other debt securities to maturity.

62

Notes to Financial Statements (continued)

Redemption Terms. The amortized cost and fair value of HTM securities by contractual maturity as of September 30, 2013 and December 31, 2012 are presented below. Expected maturities of some securities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment fees.

(in thousands)	September 30, 2013				December 31, 2012
Year of Maturity	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Non-MBS:
Due in one year or less	$	350,110	$	350,125	$	401,095	$	401,147
Due after one year through five years	16,814		17,490		24,830		26,113
Due after five years through ten years	28,703		29,296		7,414		7,522
Due after ten years	218,953		211,907		246,225		240,860
HTM securities excluding MBS	614,580		608,818		679,564		675,642
MBS	3,972,724		4,025,860		4,985,390		5,080,113
Total HTM securities	$	4,587,304	$	4,634,678	$	5,664,954	$	5,755,755

Interest Rate Payment Terms. The following table details interest rate payment terms at September 30, 2013 and December 31, 2012.

(in thousands)	September 30, 2013		December 31, 2012
Amortized cost of HTM securities other than MBS:
Fixed-rate	$	447,270	$	507,564
Variable-rate	167,310		172,000
Total non-MBS	$	614,580	$	679,564
Amortized cost of HTM MBS:
Fixed-rate	$	1,421,017	$	1,772,557
Variable-rate	2,551,707		3,212,833
Total MBS	$	3,972,724	$	4,985,390
Total HTM securities	$	4,587,304	$	5,664,954

Note: Certain MBS have a fixed-rate component for a specified period of time, then have a rate reset on a given date. Examples of this type of instrument would include securities supported by underlying 3/1, 5/1, 7/1 and 10/1 hybrid ARMs. In addition, certain of these securities may have a provision within the structure that permits the fixed rate to be adjusted for items such as prepayment, defaults and loan modification. For purposes of the table above, these securities are reported as fixed-rate until the rate reset date is hit. At that point, the security is then considered to be variable-rate.

Note 5 – Other-Than-Temporary Impairment (OTTI)

The Bank evaluates its individual AFS and HTM securities in an unrealized loss position for OTTI on a quarterly basis. As part of this process, the Bank considers its intent to sell each debt security and whether it is more likely than not the Bank will be required to sell the security before its anticipated recovery. If either of these conditions is met, the Bank recognizes the maximum OTTI loss in earnings, which is equal to the entire difference between the security’s amortized cost basis and its fair value at the Statement of Condition date. For securities in an unrealized loss position that meet neither of these conditions, the Bank evaluates whether there is OTTI by performing an analysis to determine if any of these securities will incur a credit loss, which could be up to the difference between the security’s amortized cost basis and its fair value and records the difference in its Statement of Income.

Private Label Residential MBS and HELOCs. The Bank invests in MBS, which were rated AAA at the time of purchase with the exception of one pre-2004 vintage security that was rated AA at the time of purchase. Each MBS may contain one or more forms of credit protection/enhancements, including but not limited to guarantee of principal and interest, subordination, over-collateralization, and excess interest and insurance wrap.

To ensure consistency among the FHLBanks, the Bank completes its OTTI analysis of private label MBS based on the methodologies and key modeling assumptions provided by the OTTI Governance Committee. The OTTI analysis is a cash flow analysis that is run on a common platform. The Bank performs the cash flow analysis on all of its private label MBS portfolio that have available data. Private label MBS backed by HELOCs and certain other securities where underlying collateral data is not available, are not able to be cash flow tested using the FHLBanks’ common platform. For these securities, alternate

63

Notes to Financial Statements (continued)

procedures, as prescribed by the OTTI Governance Committee, are used by the Bank to assess these securities for OTTI. Securities evaluated using alternative procedures were approximately 5% of the par balance of private label MBS at September 30, 2013.

The Bank’s evaluation includes estimating the projected cash flows that the Bank is likely to collect based on an assessment of all available information, including the structure of the applicable security and certain assumptions, to determine whether the Bank will recover the entire amortized cost basis of the security, such as:

• the remaining payment terms for the security;

• prepayment speeds and default rates;

• loss severity based on underlying loan-level borrower and loan characteristics;

• expected housing price changes; and

• interest-rate assumptions.

To determine the amount of the credit loss, the Bank compares the present value of the cash flows expected to be collected from its private label residential MBS to its amortized cost basis. For the Bank’s private label residential MBS, the Bank uses a forward interest rate curve to project the future estimated cash flows. To calculate the present value of the estimated cash flows for fixed rate bonds the Bank uses the effective interest rate for the security prior to impairment. To calculate the present value of the estimated cash flows for variable-rate and hybrid private label MBS, the Bank uses the contractual interest rate plus a fixed spread that sets the present value of cash flows equal to amortized cost before impairment. For securities previously identified as other-than-temporarily impaired, the Bank updates its estimate of future estimated cash flows on a quarterly basis and uses the previous effective rate or spread until there is a significant increase in cash flows. When the Bank determines there is a significant increase in cash flows, the effective rate is increased.

The Bank performed a cash flow analysis using two third-party models to assess whether the amortized cost basis of its private label residential MBS will be recovered. The first third-party model considers borrower characteristics and the particular attributes of the loans underlying the Bank's securities, in conjunction with assumptions about future changes in home prices and interest rates to project prepayments, defaults and loss severities. A significant input to the first model is the forecast of future housing price changes for the relevant states and core-based statistical areas (CBSAs) which are based upon an assessment of the individual housing markets. CBSAs refer collectively to metropolitan and micropolitan statistical areas as defined by the U.S. Office of Management and Budget; as currently defined, a CBSA must contain at least one urban area with a population of 10,000 or more people. The OTTI Governance Committee developed a short - term housing price forecast using whole percentages ranging from (5.0)% to 8.0% over the 12 month period beginning July 1, 2013. For the vast majority of markets the short-term forecast has changes from (1.0)% to 7.0%. Thereafter, home prices were projected to recover using one of five different recovery paths.

Recovery Ranges of Housing Price Change
Months	Annualized Rates %
1 - 6	0.0%	-	3.0%
7 - 12	1.0%	-	4.0%
13 - 18	2.0%	-	4.0%
19 - 30	2.0%	-	5.0%
31 - 54	2.0%	-	6.0%
Thereafter	2.3%	-	5.6%

The month-by-month projection of future loan performance derived from the first model is the mean of 100 projections and reflects projected prepayments, defaults and loss severities. These projections are input into a second model that allocates the projected loan level cash flows and losses to the various security classes in the securitization structure in accordance with its prescribed cash flow and loss allocation rules. In a securitization in which the credit enhancement for the senior securities is derived from the presence of subordinate securities, losses are generally allocated first to the subordinate securities until their principal balance is reduced to zero. The projected cash flows are based on a number of assumptions and expectations, and the results of these models can vary significantly with changes in assumptions and expectations. The scenario of cash flows determined based on the model approach described above reflects a best estimate scenario.

All of the Bank's other-than-temporarily impaired securities were classified as AFS at September 30, 2013. The "Total OTTI securities" balances below summarize the Bank’s securities as of September 30, 2013 for which an OTTI has been recognized during the life of the security. The "Private label MBS with no OTTI" balances below represent AFS securities on which an OTTI was not taken. The sum of these two totals reflects the entire AFS private label MBS portfolio.

64

Notes to Financial Statements (continued)

	OTTI Recognized During the Life of the Security
(in thousands)	Unpaid Principal Balance		Amortized Cost (1)		Fair Value
Private label residential MBS:
Prime	$	649,771	$	539,057	$	583,237
Alt-A	725,355		571,088		591,617
Subprime	2,374		1,398		1,463
HELOCs	17,896		12,333		14,742
Total OTTI securities	1,395,396		1,123,876		1,191,059
Private label MBS with no OTTI	3,897		3,897		3,691
Total AFS private label MBS	$	1,399,293	$	1,127,773	$	1,194,750

Notes:

⁽¹⁾ Amortized cost includes adjustments made to the cost basis of an investment for accretion of discounts and/or amortization of premiums, collection of cash, and/or previous OTTI recognized in earnings.

The following table presents the rollforward of the amounts related to OTTI credit losses recognized during the life of the security for which a portion of the OTTI charges was recognized in AOCI for the three and nine months ended September 30, 2013 and 2012.

(in thousands)	Three months ended September 30,						Nine months ended September 30,
	2013			2012			2013			2012
Beginning balance	$	322,144		$	328,937		$	326,024		$	322,589
Additions:
Credit losses for which OTTI was not previously recognized	—			—			—			74
Additional OTTI credit losses for which an OTTI charge was previously recognized (1)	—			186			442			10,950
Reductions:
Securities sold and matured during the period	—			265			(59		)	265
Increases in cash flows expected to be collected, recognized over the remaining life of the securities (2)	(2,703		)	(2,209		)	(6,966		)	(6,699		)
Ending balance	$	319,441		$	327,179		$	319,441		$	327,179

Notes:

⁽¹⁾ For the three months ended September 30, 2013 and 2012, OTTI "previously recognized" represents securities that were impaired prior to July 1, 2013 and 2012. For the nine months ended September 30, 2013 and 2012, OTTI "previously recognized" represents securities that were impaired prior to January 1, 2013 and 2012.

⁽²⁾ This activity represents the increase in cash flows recognized in interest income during the period.

All Other AFS and HTM Investments. At September 30, 2013, the Bank held certain securities in an unrealized loss position. These unrealized losses were considered temporary as the Bank expects to recover the entire amortized cost basis on the remaining securities in unrealized loss positions and neither intends to sell these securities nor considers it more likely than not that the Bank would be required to sell the security before its anticipated recovery. As a result, the Bank did not consider any of these other investments to be other-than-temporarily impaired at September 30, 2013.

65

Notes to Financial Statements (continued)

Note 6 – Advances

General Terms. The Bank offers a wide range of fixed- and variable-rate advance products with different maturities, interest rates, payment characteristics and optionality. Fixed-rate advances generally have maturities ranging from one day to 30 years. Variable-rate advances generally have maturities ranging from less than 30 days to 10 years, where the interest rates reset periodically at a fixed spread to LIBOR or other specified indices.

At September 30, 2013 and December 31, 2012, the Bank had advances outstanding, including AHP advances, with interest rates ranging from zero to 7.40%. AHP subsidized loans have interest rates ranging between zero and 5.50%.

The following table details the Bank’s advances portfolio by year of contractual maturity as of September 30, 2013 and December 31, 2012.

(dollars in thousands)	September 30, 2013					December 31, 2012
Year of Contractual Maturity	Amount			Weighted Average Interest Rate		Amount			Weighted Average Interest Rate
Due in 1 year or less	$	18,144,956		0.43	%	$	20,187,511		0.44	%
Due after 1 year through 2 years	7,005,211			1.38		3,869,388			1.02
Due after 2 years through 3 years	3,514,614			3.54		5,297,312			2.29
Due after 3 years through 4 years	5,827,182			1.24		3,634,200			2.74
Due after 4 years through 5 years	3,817,212			2.14		4,404,845			1.41
Thereafter	595,909			2.89		2,277,564			3.71
Total par value	38,905,084			1.21	%	39,670,820			1.25	%
Discount on AHP advances	(163		)			(230		)
Deferred prepayment fees	(13,305		)			(15,230		)
Hedging adjustments	614,322					842,427
Total book value	$	39,505,938				$	40,497,787

The Bank also offers convertible advances. Convertible advances allow the Bank to convert an advance from one interest rate structure to another. When issuing convertible advances, the Bank may purchase put options from a member that allow the Bank to convert the fixed-rate advance to a variable-rate advance at the current market rate or another structure after an agreed-upon lockout period. A convertible advance carries a lower interest rate than a comparable-maturity fixed-rate advance without the conversion feature. Variable to fixed-rate convertible advances have a defined lockout period during which the interest rates adjust based on a spread to LIBOR. At the end of the lockout period, these advances may convert to fixed-rate advances. The fixed rates on the converted advances are determined at origination. At September 30, 2013 and December 31, 2012, the Bank had convertible advances outstanding of $2.2 billion and $2.6 billion, respectively.

The Bank offers certain advances to members that provide a member the right, based upon predetermined option exercise dates, to call the advance prior to maturity without incurring prepayment or termination fees (returnable advances). In exchange for receiving the right to call the advance on a predetermined call schedule, the member pays a higher fixed rate for the advance relative to an equivalent maturity, non-callable, fixed-rate advance. If the call option is exercised, replacement funding may be available. At September 30, 2013 and December 31, 2012, the Bank had returnable advances of $7.0 billion and $6.4 billion, respectively.

66

Notes to Financial Statements (continued)

The following table summarizes advances by (i) year of contractual maturity or next call date and (ii) year of contractual maturity or next convertible date as of September 30, 2013 and December 31, 2012.

	Year of Contractual Maturity or Next Call Date				Year of Contractual Maturity or Next Convertible Date
(in thousands)	September 30, 2013		December 31, 2012		September 30, 2013		December 31, 2012
Due in 1 year or less	$	18,144,956	$	20,587,511	$	20,299,456	$	22,439,511
Due after 1 year through 2 years	7,005,211		3,869,388		6,906,711		3,778,888
Due after 2 years through 3 years	3,514,614		5,297,312		2,517,114		5,174,812
Due after 3 years through 4 years	5,827,182		3,634,200		5,200,182		2,520,700
Due after 4 years through 5 years	3,817,212		4,404,845		3,436,212		3,812,845
Thereafter	595,909		1,877,564		545,409		1,944,064
Total par value	$	38,905,084	$	39,670,820	$	38,905,084	$	39,670,820

Interest Rate Payment Terms.  The following table details interest rate payment terms for advances as of September 30, 2013 and December 31, 2012.

(in thousands)	September 30, 2013		December 31, 2012
Fixed rate – overnight	$	370,137	$	517,050
Fixed rate – term:
Due in 1 year or less	16,057,277		19,625,461
Thereafter	9,281,657		9,728,590
Total fixed rate	25,709,071		29,871,101
Variable rate:
Due in 1 year or less	1,717,542		45,000
Thereafter	11,478,471		9,754,719
Total variable rate	13,196,013		9,799,719
Total par value	$	38,905,084	$	39,670,820

Credit Risk Exposure and Security Terms. The Bank’s potential credit risk from advances is concentrated in commercial banks and savings institutions. As of September 30, 2013, the Bank had advances of $29.6 billion outstanding to its five largest borrowers, which represented 76.0% of total advances outstanding. Of these five, three had outstanding advance balances in excess of 10% of the total portfolio at September 30, 2013.

As of December 31, 2012, the Bank had advances of $31.7 billion outstanding to the five largest borrowers, which represented 79.9% of total advances outstanding. Of these five, four had outstanding advance balances in excess of 10% of the total portfolio at December 31, 2012.

67

Notes to Financial Statements (continued)

Note 7 – Mortgage Loans Held for Portfolio

Under the MPF Program, the Bank invests in mortgage loans, which it purchases from its participating members and housing associates. Under the MPF Program, the Bank’s participating members originate, service, and credit enhance residential mortgage loans that are then sold to the Bank. See Note 12 - Transactions with Related Parties for further information regarding transactions with related parties.

The following table presents balances as of September 30, 2013 and December 31, 2012 for mortgage loans held for portfolio.

(in thousands)	September 30, 2013			December 31, 2012
Fixed medium-term single-family mortgages (1)	$	510,184		$	563,312
Fixed long-term single-family mortgages (1)	2,714,817			2,922,897
Total par value	3,225,001			3,486,209
Premiums	50,874			51,637
Discounts	(6,445		)	(8,212		)
Hedging adjustments	19,567			17,078
Total mortgage loans held for portfolio	$	3,288,997		$	3,546,712

Note:

⁽¹⁾ Medium-term is defined as a term of 15 years or less at origination. Long-term is defined as greater than 15 years at origination.

The following table details the par value of mortgage loans held for portfolio outstanding categorized by type as of September 30, 2013 and December 31, 2012.

(in thousands)	September 30, 2013		December 31, 2012
Government-guaranteed/insured loans	$	313,694	$	350,133
Conventional loans	2,911,307		3,136,076
Total par value	$	3,225,001	$	3,486,209

See Note 8 - Allowance for Credit Losses for information related to the Banks' credit risk on mortgage loans and allowance for credit losses.

Note 8 – Allowance for Credit Losses

The Bank has established an allowance methodology for each of the Bank’s portfolio segments: credit products, government-guaranteed or insured mortgage loans held for portfolio, conventional MPF loans held for portfolio, and BOB loans.

Credit Products. The Bank manages its TCE (which includes advances, letters of credit, advance commitments, and other credit product exposure) through an integrated approach. This generally provides for a credit limit to be established for each borrower, includes an ongoing review of each borrower’s financial condition and is coupled with collateral/lending policies to limit risk of loss while balancing the borrowers’ needs for a reliable source of funding. In addition, the Bank lends to its members in accordance with theAct and Finance Agency regulations. Specifically, the Act requires the Bank to obtain collateral to fully secure credit products. The estimated value of the collateral required to secure each member’s credit products is calculated by applying collateral weightings, or haircuts, to the value of the collateral. The Bank accepts cash, certain investment securities, residential mortgage loans, deposits, and other real estate related assets as collateral. In addition, CFIs are eligible to utilize expanded statutory collateral provisions for small business, agriculture, and community development loans. The Bank’s capital stock owned by the borrowing member is pledged as secondary collateral. Collateral arrangements may vary depending upon borrower credit quality, financial condition and performance, borrowing capacity, and overall credit exposure to the borrower. The Bank can require additional or substitute collateral to protect its security interest. Management of the Bank believes that these policies effectively manage the Bank’s respective credit risk from credit products.

Based upon the financial condition of the member, the Bank either allows a member to retain physical possession of the collateral assigned to the Bank or requires the member to specifically deliver physical possession or control of the collateral to the Bank or its custodians. However, notwithstanding financial condition, the Bank always takes possession or control of securities used as collateral if they are used for maximum borrowing capacity (MBC) or to secure advances. The Bank perfects its security interest in all pledged collateral. The Act affords any security interest granted to the Bank by a member priority over

68

Notes to Financial Statements (continued)

the claims or rights of any other party except for claims or rights of a third party that would be entitled to priority under otherwise applicable law and are held by a bona fide purchaser for value or by a secured party holding a prior perfected security interest.

Using a risk-based approach, the Bank considers the payment status, collateral types and concentration levels, and borrower’s financial condition to be indicators of credit quality on its credit products. At September 30, 2013 and December 31, 2012, the Bank had rights to collateral on a member-by-member basis with an estimated value in excess of its outstanding extensions of credit.

The Bank continues to evaluate and make changes to its collateral guidelines, as necessary, based on current market conditions. At September 30, 2013 and December 31, 2012, the Bank did not have any credit products that were past due, on nonaccrual status, or considered impaired. In addition, there were no credit products considered to be troubled debt restructurings (TDRs).

Based upon the collateral held as security, its credit extension policies, collateral policies, management’s credit analysis and the repayment history on credit products, the Bank has not incurred any credit losses on credit products since inception. Accordingly, the Bank has not recorded any allowance for credit losses for these products. Additionally, at September 30, 2013 and December 31, 2012, the Bank has not recorded any allowance for credit losses for off-balance sheet credit products.

MortgageLoans- Government-Guaranteed or Insured. The Bank invests in government-guaranteed or insured fixed-rate mortgage loans secured by one-to-four family residential properties. Government-guaranteed mortgage loans are those insured or guaranteed by the Federal Housing Administration (FHA), Department of Veteran Affairs (VA), the Rural Housing Service (RHS) of the Department of Agriculture and/or by Housing and Urban Development (HUD). Any losses from such loans are expected to be recovered from those entities. If not, losses from such loans must be contractually absorbed by the servicers. Therefore, there is no allowance for credit losses on government-guaranteed or insured mortgage loans.

Mortgage Loans - Conventional MPF. The allowances for conventional loans are determined by analyses that include consideration of various data observations such as past performance, current performance, loan portfolio characteristics, collateral-related characteristics, industry data, and prevailing economic conditions. The measurement of the allowance for credit losses includes: (1) reviewing all residential mortgage loans at the individual master commitment level; (2) reviewing specifically identified collateral-dependent loans for impairment; and/or (3) reviewing homogeneous pools of residential mortgage loans.

The Bank’s allowance for credit losses takes into consideration the credit enhancement (CE) associated with conventional mortgage loans under the MPF Program. Specifically, the determination of the allowance generally considers expected Primary Mortgage Insurance (PMI), Supplemental Mortgage Insurance (SMI), and other CE amounts. Any incurred losses that are expected to be recovered from the CE reduce the Bank’s allowance for credit losses.

For conventional MPF loans, credit losses that are not fully covered by PMI are allocated to the Bank up to an agreed upon amount, referred to as the first loss account (FLA). The FLA functions as a tracking mechanism for determining the point after which the PFI is required to cover losses. The Bank pays the PFI a fee, a portion of which may be based on the credit performance of the mortgage loans, in exchange for absorbing the second layer of losses up to an agreed-upon CE amount. The CE amount may be a direct obligation of the PFI and/or an SMI policy paid for by the PFI, and may include performance-based fees which can be withheld to cover losses allocated to the Bank (referred to as recaptured CE fees). Estimated losses exceeding the CE and SMI, if any, are incurred by the Bank. The PFI is required to pledge collateral to secure any portion of its CE amount that is a direct obligation. A receivable which is assessed for collectability is generally established for losses expected to be recovered by withholding CE fees. At September 30, 2013 and December 31, 2012, the MPF exposure under the FLA was $26.0 million and $29.2 million, respectively. This exposure includes both accrual and nonaccrual loans. The Bank records CE fees paid to PFIs as a reduction to mortgage loan interest income. The Bank incurred CE fees of $0.9 million and $1.0 million during the third quarter 2013 and 2012, respectively and $2.7 million and $3.0 million during the nine months ended September 30, 2013 and 2012, respectively.

Collectively Evaluated Mortgage Loans. The Bank collectively evaluates the homogeneous mortgage loan portfolio for impairment. The allowance for credit loss methodology for mortgage loans considers loan pool specific attribute data, applies loss severities and incorporates the CEs of the MPF Program and PMI. The probability of default and loss given default are based on the actual 12-month historical performance of the Bank’s mortgage loans. Actual probability of default was determined by applying migration analysis to categories of mortgage loans (current, 30 days past due, 60 days past due, and 90 days past due). Actual loss given default was determined based on realized losses incurred on the sale of mortgage loan collateral over the previous 12 months. Given the credit deterioration experienced by PMI companies, estimated future claim

69

Notes to Financial Statements (continued)

payments from these companies have been reduced and factored into estimated loan losses in determining the allowance for credit losses. The resulting estimated losses after PMI are then reduced by the CEs the Bank expects to be eligible to receive. The CEs are contractually set and calculated by Master Commitment. Losses in excess of the CEs are incurred by the Bank.

Individually Evaluated Mortgage Loans. The Bank evaluates certain mortgage loans for impairment individually. These loans are considered TDRs as discussed in the TDR section of this Note 8.

Rollforward of Allowance for Credit Losses.Mortgage Loans - Conventional MPF.

	Three months ended September 30,						Nine months ended September 30,
(in thousands)	2013			2012			2013			2012
Balance, beginning of period	$	12,208		$	14,066		$	14,163		$	14,344
Charge-offs	(188		)	(27		)	(810		)	(382		)
Provision (benefit) for credit losses	(748		)	19			(2,081		)	96
Balance, September 30	$	11,272		$	14,058		$	11,272		$	14,058

Allowance for Credit Losses and Recorded Investment by Impairment Methodology. Mortgage Loans - Conventional MPF.

	September 30, 2013		December 31, 2012
Ending balance, individually evaluated for impairment	$	785	$	642
Ending balance, collectively evaluated for impairment	10,487		13,521
Total allowance for credit losses	$	11,272	$	14,163
Recorded investment balance, end of period:
Individually evaluated for impairment, with or without a related allowance	$	15,464	$	12,956
Collectively evaluated for impairment	2,965,468		3,190,436
Total recorded investment	$	2,980,932	$	3,203,392

Rollforward of Allowance for Credit Losses.BOB Loans.

	Three months ended September 30,						Nine months ended September 30,
(in thousands)	2013			2012			2013			2012
Balance, beginning of period	$	2,362		$	2,773		$	2,481		$	3,223
BOB Charge-offs	—			(94		)	(134		)	(673		)
Provision (benefit) for credit losses	(21		)	(175		)	(6		)	(46		)
Balance, September 30	$	2,341		$	2,504		$	2,341		$	2,504

Allowance for Credit Losses and Recorded Investment by Impairment Methodology. BOB Loans.

	September 30, 2013		December 31, 2012
Ending balance, individually evaluated for impairment	$	85	$	100
Ending balance, collectively evaluated for impairment	2,256		2,381
Total allowance for credit losses	$	2,341	$	2,481
Recorded investment balance, end of period:
Individually evaluated for impairment, with or without a related allowance	$	192	$	280
Collectively evaluated for impairment	13,446		15,166
Total recorded investment	$	13,638	$	15,446

Credit Quality Indicators. Key credit quality indicators for mortgage and BOB loans include the migration of past due loans, nonaccrual loans, loans in process of foreclosure, and impaired loans.

70

Notes to Financial Statements (continued)

(in thousands)	September 30, 2013
Recorded investment: (1)	Conventional MPF Loans			Government-Guaranteed or Insured Loans			BOB Loans			Total
Past due 30-59 days	$	44,055		$	17,774		$	10		$	61,839
Past due 60-89 days	10,625			6,239			—			16,864
Past due 90 days or more	58,569			8,184			346			67,099
Total past due loans	$	113,249		$	32,197		$	356		$	145,802
Total current loans	2,867,683			292,771			13,282			3,173,736
Total loans	$	2,980,932		$	324,968		$	13,638		$	3,319,538
Other delinquency statistics:
In process of foreclosures, included above (2)	$	47,581		$	1,237		$	—		$	48,818
Serious delinquency rate (3)	2.0		%	2.5		%	2.5		%	2.0		%
Past due 90 days or more still accruing interest	$	—		$	8,184		$	—		$	8,184
Loans on nonaccrual status (4)	$	61,545		$	—		$	548		$	62,093

(in thousands)	December 31, 2012
Recorded investment: (1)	Conventional MPF Loans			Government-Guaranteed or Insured Loans			BOB Loans			Total
Past due 30-59 days	$	50,214		$	20,513		$	20		$	70,747
Past due 60-89 days	12,219			5,842			147			18,208
Past due 90 days or more	69,996			7,469			153			77,618
Total past due loans	$	132,429		$	33,824		$	320		$	166,573
Total current loans	3,070,963			328,351			15,126			3,414,440
Total loans	$	3,203,392		$	362,175		$	15,446		$	3,581,013
Other delinquency statistics:
In process of foreclosures, included above (2)	$	54,605		$	1,587		$	—		$	56,192
Serious delinquency rate (3)	2.2		%	2.1		%	1.0		%	2.2		%
Past due 90 days or more still accruing interest	$	—		$	7,469		$	—		$	7,469
Loans on nonaccrual status (4)	$	74,051		$	—		$	599		$	74,650

Notes:

⁽¹⁾ The recorded investment in a loan is the unpaid principal balance of the loan, adjusted for accrued interest, net deferred loan fees or costs, unamortized premiums or unaccreted discounts, adjustments for fair value hedges and direct write-downs. The recorded investment is not net of any valuation allowance.

⁽²⁾ Includes loans where the decision of foreclosure or similar alternative such as pursuit of deed-in-lieu has been reported. Loans in process of foreclosure are included in past due or current loans dependent on their delinquency status.

⁽³⁾ Loans that are 90 days or more past due or in the process of foreclosure expressed as a percentage of the total loan portfolio class.

⁽⁴⁾ Generally represents mortgage loans with contractual principal or interest payments 90 days or more past due and not accruing interest.

Real Estate Owned (REO). The Bank had $8.3 million and $10.8 million of REO reported in Other assets on the Statement of Condition at September 30, 2013 and December 31, 2012, respectively.

TDRs. TDRs are considered to have occurred when a concession is granted to the debtor that otherwise would not have been considered had it not been for economic or legal reasons related to the debtor's financial difficulties. The Bank also considers a TDR to have occurred when a borrower files for Chapter 7 bankruptcy, the bankruptcy court discharged the borrower’s obligation and the borrower did not reaffirm the debt.

71

Notes to Financial Statements (continued)

Mortgage Loans - Conventional MPF. The Bank offers a loan modification program for its MPF Program. The loans modified under this program are considered TDRs. The loan modification program modifies borrower's monthly payment for a period of up to 36 months to no more than a housing expense ratio of 31% of their monthly income. The outstanding principal

balance is re-amortized to reflect a principal and interest payment for a term not to exceed 40 years and a housing expense ratio not to exceed 31%. This will result in a balloon payment at the original maturity date of the loan as the maturity date and number of remaining monthly payments is unchanged in the modified loan. If the 31% ratio is still not met, the interest rate is reduced for up to 36 months in 0.125% increments below the original note rate, to a floor rate of 3%, resulting in reduced monthly principal and interest payments during the 36 month period, until the target housing expense ratio is met or the interest rate floor is hit.

A TDR is individually evaluated for impairment when determining its related allowance for credit losses. Credit loss is measured by factoring in expected cash shortfalls incurred as of the reporting date as well as the economic loss attributable to delaying or decreasing the original contractual principal and interest, if applicable. All mortgage loans individually evaluated for impairment were considered TDRs at September 30, 2013.

BOB Loans. The Bank offers a BOB loan deferral which the Bank considers a TDR. A deferred BOB loan is not required to pay principal or accrue interest for up to a one-year period. The credit loss is measured by factoring expected shortfalls incurred as of the reporting date.

TDR Modifications. The following table presents the pre-modification and post-modification recorded investment balance, as of the modification date, for loans that became TDRs during the three and nine months ended September 30, 2013 and 2012.

	Three months ended September 30,
	2013				2012
(in thousands)	Pre-Modification		Post-Modification		Pre-Modification		Post-Modification
Conventional MPF loans	$	3,658	$	3,658	$	1,866	$	1,745
BOB loans	123		123		264		264
Total	$	3,781	$	3,781	$	2,130	$	2,009

	Nine months ended September 30,
	2013				2012
(in thousands)	Pre-Modification		Post-Modification		Pre-Modification		Post-Modification
Conventional MPF loans	$	9,827	$	9,775	$	2,827	$	2,671
BOB loans	332		331		264		264
Total	$	10,159	$	10,106	$	3,091	$	2,935

Certain TDRs may experience a payment default, which the Bank considers to be a loan 60 days or more delinquent. Conventional MPF loans totaling $4.6 million had experienced a payment default during the nine months ended September 30, 2013, and it was immaterial during nine months ended September 30, 2012. The Bank had $2.4 million and $2.9 million of TDRs on nonaccrual status at September 30, 2013 and December 31, 2012, respectively.

72

Notes to Financial Statements (continued)

Individually Evaluated Impaired Loans.

	September 30, 2013
(in thousands)	Recorded Investment		Unpaid Principal Balance		Related Allowance for Credit Losses
With no related allowance:
Conventional MPF loans	$	502	$	500	$	—
With a related allowance:
Conventional MPF loans	$	14,962	$	14,875	$	785
BOB loans	192		192		85
Total:
Conventional MPF loans	$	15,464	$	15,375	$	785
BOB loans	192		192		85

	December 31, 2012
(in thousands)	Recorded Investment		Unpaid Principal Balance		Related Allowance for Credit Losses
With no related allowance:
Conventional MPF loans	$	507	$	504	$	—
With a related allowance:
Conventional MPF loans	$	12,449	$	12,388	$	642
BOB loans	280		280		100
Total:
Conventional MPF loans	$	12,956	$	12,892	$	642
BOB loans	280		280		100

The table below presents the average recorded investment of individually impaired loans and related interest income recognized. The Bank included the individually impaired loans as of the date on which they became a TDR.

	Three months ended September 30, 2013				Three months ended September 30, 2012
(in thousands)	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
Conventional MPF loans	$	15,258	$	190	$	5,841	$	87
BOB loans	151		—		176		—
Total	$	15,409	$	190	$	6,017	$	87

	Nine months ended September 30, 2013				Nine months ended September 30, 2012
(in thousands)	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
Conventional MPF loans	$	14,316	$	533	$	5,094	$	228
BOB loans	237		—		81		—
Total	$	14,553	$	533	$	5,175	$	228

Purchases, Sales and Reclassifications. During the three and nine months ended September 30, 2013 and 2012, there were no significant purchases or sales of financing receivables. Furthermore, none of the financing receivables were reclassified to held-for-sale.

73

Notes to Financial Statements (continued)

Note 9 – Derivatives and Hedging Activities

Nature of Business Activity. The Bank is exposed to interest rate risk primarily from the effect of interest rate changes on its interest-earning assets and funding sources that finance these assets. The goal of the Bank's interest rate risk management strategies is not to eliminate interest rate risk but to manage it within appropriate limits. To mitigate the risk of loss, the Bank has established policies and procedures which include guidelines on the amount of exposure to interest rate changes it is willing to accept. In addition, the Bank monitors the risk to its interest income, net interest margin and average maturity of interest-earning assets and funding sources. For additional information on the Bank's derivative transactions, see Note 11 to the audited financial statements in the Bank's 2012 Form 10-K.

The Bank transacts most of its derivatives with large banks and major broker-dealers. Some of these banks and broker-dealers or their affiliates buy, sell, and distribute consolidated obligations. Over-the-counter derivative transactions may be either executed with a counterparty (referred to as bilateral derivatives) or cleared through a Futures Commission Merchant (i.e., clearing agent) with a Derivatives Clearing Organization (referred to as cleared derivatives). Once a derivative transaction has been accepted for clearing by a Derivative Clearing Organization (Clearing House), the derivative transaction is novated and the executing counterparty is replaced with the Clearing House. The Clearing House notifies the clearing agent of the required initial and variation margin and the clearing agent notifies the Bank of the required initial and variation margin. The Bank is not a derivatives dealer and does not trade derivatives for short-term profit.

Financial Statement Effect and Additional Financial Information. The following tables summarize the notional and fair value of derivative instruments as of September 30, 2013 and December 31, 2012.

	September 30, 2013
(in thousands)	Notional Amount of Derivatives		Derivative Assets			Derivative Liabilities
Derivatives in hedge accounting relationships:
Interest rate swaps	$	24,170,518	$	200,926		$	812,865
Derivatives not in hedge accounting relationships:
Interest rate swaps	$	8,441,854	$	59,272		$	27,834
Interest rate caps	1,215,500		5,864			—
Mortgage delivery commitments	20,389		480			4
Total derivatives not in hedge accounting relationships	$	9,677,743	$	65,616		$	27,838
Total derivatives before netting and collateral adjustments	$	33,848,261	$	266,542		$	840,703
Netting adjustments			(208,639		)	(208,639		)
Cash collateral and related accrued interest			(7,990		)	(484,713		)
Total collateral and netting adjustments (1)			(216,629		)	(693,352		)
Derivative assets and derivative liabilities as reported on the Statement of   Condition			$	49,913		$	147,351

74

Notes to Financial Statements (continued)

	December 31, 2012
(in thousands)	Notional Amount of Derivatives		Derivative Assets			Derivative Liabilities
Derivatives in hedge accounting relationships:
Interest rate swaps	$	25,661,620	$	273,265		$	878,667
Derivatives not in hedge accounting relationships:
Interest rate swaps	$	4,318,343	$	37,767		$	6,036
Interest rate caps	1,199,750		1,968			—
Mortgage delivery commitments	34,332		622			—
Total derivatives not in hedge accounting relationships	$	5,552,425	$	40,357		$	6,036
Total derivatives before netting and collateral adjustments	$	31,214,045	$	313,622		$	884,703
Netting adjustments			(253,923		)	(253,923		)
Cash collateral and related accrued interest			(31,896		)	(320,355		)
Total collateral and netting adjustments (1)			(285,819		)	(574,278		)
Derivative assets and derivative liabilities as reported on the Statement of   Condition			$	27,803		$	310,425

Note:

⁽¹⁾ Amounts represent the application of the netting requirements that allow the Bank to settle positive and negative positions and also cash collateral held or placed by the Bank with the same clearing agent and/or counterparties.

The following table presents the components of net gains (losses) on derivatives and hedging activities as presented in the Statement of Income.

	Three months ended September 30,						Nine months ended September 30,
(in thousands)	2013			2012			2013			2012
Derivatives and hedged items in fair value hedging   relationships:
Interest rate swaps - fair value hedge ineffectiveness	$	3,116		$	1,329		$	4,004		$	3,291
Derivatives not designated as hedging instruments:
Economic hedges:
Interest rate swaps	$	(3,504	)	$	(575	)	$	(11,327	)	$	(2,000	)
Interest rate caps	(894		)	(231		)	1,535			(2,272		)
Net interest settlements	5,055			268			14,325			(1,122		)
Mortgage delivery commitments	1,619			2,687			5,584			4,732
Other	4			4			11			12
Total net gains (losses) related to derivatives not designated as hedging instruments	$	2,280		$	2,153		$	10,128		$	(650	)
Net gains on derivatives and hedging activities	$	5,396		$	3,482		$	14,132		$	2,641

The following tables present, by type of hedged item, the gains (losses) on derivatives and the related hedged items in fair value hedging relationships and the impact of those derivatives on the Bank’s net interest income for the third quarter and the first nine months of 2013 and 2012.

75

Notes to Financial Statements (continued)

(in thousands)	Gains/(Losses) on Derivative			Gains/(Losses) on Hedged Item			Net Fair Value Hedge Ineffectiveness		Effect of Derivatives on Net Interest Income (1)
Three months ended September 30, 2013
Hedged item type:
Advances	$	29,142		$	(27,194	)	$	1,948	$	(64,388	)
Consolidated obligations – bonds	34,356			(33,967		)	389		57,917
AFS securities	(3,443		)	4,222			779		(911		)
Total	$	60,055		$	(56,939	)	$	3,116	$	(7,382	)
Nine months ended September 30, 2013
Hedged item type:
Advances	$	222,985		$	(220,743	)	$	2,242	$	(190,432	)
Consolidated obligations – bonds	(258,510		)	259,393			883		162,998
AFS securities	(2,653		)	3,532			879		(926		)
Total	$	(38,178	)	$	42,182		$	4,004	$	(28,360	)

(in thousands)	Gains/(Losses) on Derivative			Gains/(Losses) on Hedged Item			Net Fair Value Hedge Ineffectiveness		Effect of Derivatives on Net Interest Income (1)
Three months ended September 30, 2012
Hedged item type:
Advances	$	84,204		$	(83,765	)	$	439	$	(93,120	)
Consolidated obligations – bonds	(5,359		)	6,249			890		44,154
Total	$	78,845		$	(77,516	)	$	1,329	$	(48,966	)
Nine months ended September 30, 2012
Hedged item type:
Advances	$	166,564		$	(165,389	)	$	1,175	$	(289,346	)
Consolidated obligations – bonds	(20,450		)	22,566			2,116		130,501
Total	$	146,114		$	(142,823	)	$	3,291	$	(158,845	)

Note:

⁽¹⁾ Represents the net interest settlements on derivatives in fair value hedge relationships presented in the interest income/expense line item of the respective hedged item.

The Bank had no active cash flow hedging relationships during the first nine months of 2013 or 2012. As of September 30, 2013, the deferred net gains (losses) on derivative instruments in AOCI expected to be reclassified to earnings during the next twelve months, as well as the losses reclassified from AOCI into income, were not material.

Managing Credit Risk on Derivatives. The Bank is subject to credit risk due to the risk of nonperformance by counterparties to its derivative transactions. The Bank manages counterparty credit risk through credit analysis, collateral requirements, and adherence to the requirements set forth in its policies, U.S. Commodity Futures Trading Commission regulations, and Finance Agency regulations. For bilateral derivatives, the degree of credit risk depends on the extent to which netting arrangements are included in such contracts to mitigate the risk. The Bank requires collateral agreements with collateral delivery thresholds on all bilateral derivatives.

For cleared derivatives, the Clearing Houses are the Bank's counterparties. The requirement that the Bank post initial and variation margin through the clearing agent, on behalf of the Clearing Houses, exposes the Bank to institutional credit risk in the event that the clearing agent or the Clearing Houses fail to meet its obligations. Initial margin is the amount calculated based on anticipated exposure to future changes in the value of a swap and protects the Clearing Houses from market risk in the event of default by one of its clearing agents. Variation margin is the amount calculated to cover the current exposure arising from changes in the market value of the position since the trade was executed or the previous time the position was marked to market. The use of cleared derivatives is intended to mitigate credit risk exposure because a central counterparty is substituted for individual counterparties and collateral is posted daily, through a clearing agent, for changes in the value of cleared

76

Notes to Financial Statements (continued)

derivatives. The Bank has analyzed the enforceability of offsetting rights incorporated in its cleared derivative transactions and determined that the exercise of those offsetting rights by a non-defaulting party under these transactions should be upheld under applicable law upon an event of default including a bankruptcy, insolvency or similar proceeding involving the Clearing Houses or the Bank’s clearing agent, or both. Based on this analysis, the Bank presents a net derivative receivable or payable for all of its transactions through a particular clearing agent with a particular Clearing House.

Based on credit analyses and collateral requirements, the Bank does not anticipate credit losses related to its derivative agreements. See Note 13 - Estimated Fair Values for discussion regarding the Bank's fair value methodology for derivative assets and liabilities, including an evaluation of the potential for the fair value of these instruments to be affected by counterparty credit risk.

Generally, the Bank’s ISDA agreements for bilateral derivatives contain provisions that require the Bank to post additional collateral with its counterparties if there is deterioration in its credit rating and the net liability position exceeds the relevant threshold. If the Bank’s credit rating is lowered by a major credit rating agency, the Bank would be required to deliver additional collateral on bilateral derivative instruments in net liability positions. The aggregate fair value of all bilateral derivative instruments with credit-risk related contingent features that were in a net liability position (before cash collateral and related accrued interest) at September 30, 2013 was $606.2 million for which the Bank has posted cash and securities collateral with a fair value of approximately $513.0 million in the normal course of business. If the Bank’s credit rating had been lowered one notch (i.e., from its current rating to the next lower rating), the Bank would have been required to deliver up to an additional $68.1 million of collateral to its derivative counterparties at September 30, 2013.

77

Notes to Financial Statements (continued)

Offsetting of Derivative Assets and Derivative Liabilities. The Bank presents derivative instruments, related cash collateral, including initial and variation margin, received or pledged and associated accrued interest on a net basis by clearing agent and/or by counterparty when it has met the netting requirements. The following tables presents separately the fair value of derivative instruments meeting or not meeting netting requirements, including the related collateral received from or pledged to counterparties.

	Derivative Assets
(in thousands)		September 30, 2013			December 31, 2012
Derivative instruments meeting netting requirements:
Gross recognized amount:
Bilateral derivatives		$	263,210		$	313,000
Cleared derivatives		2,852			—
Total gross recognized amount		266,062			313,000
Gross amounts of netting adjustments and cash collateral:
Bilateral derivatives		(232,433		)	(285,819		)
Cleared derivatives		15,804			—
Total gross amounts of netting adjustments and cash collateral		(216,629		)	(285,819		)
Net amounts after netting adjustments:
Bilateral derivatives		30,777			27,181
Cleared derivatives		18,656			—
Total net amounts after netting adjustments		49,433			27,181
Derivative instruments not meeting netting requirements: (1)
Bilateral derivatives		480			622
Total derivative assets
Bilateral derivatives		31,257			27,803
Cleared derivatives		18,656			—
Total derivative assets as reported in the Statement of Condition		49,913			27,803
Non-cash collateral received or pledged not offset:
Can be sold or repledged
Bilateral derivatives		(16,479		)	—
Cannot be sold or repledged
Bilateral derivatives		—			(1,343		)
Net unsecured amount:
Bilateral derivatives		14,778			26,460
Cleared derivatives		18,656			—
Total net unsecured amount		$	33,434		$	26,460

78

Notes to Financial Statements (continued)

	Derivative Liabilities
(in thousands)		September 30, 2013			December 31, 2012
Derivative instruments meeting netting requirements:
Gross recognized amount:
Bilateral derivatives		$	830,716		$	884,703
Cleared derivatives		9,983			—
Total gross recognized amount		840,699			884,703
Gross amounts of netting adjustments and cash collateral:
Bilateral derivatives		(683,369		)	(574,278		)
Cleared derivatives		(9,983		)	—
Total gross amounts of netting adjustments and cash collateral		(693,352		)	(574,278		)
Net amounts after netting adjustments:
Bilateral derivatives		147,347			310,425
Cleared derivatives		—			—
Net amounts after offsetting adjustments		147,347			310,425
Derivative instruments not meeting netting requirements: (1)
Bilateral derivatives		4			—
Total derivative liabilities
Bilateral derivatives		147,351			310,425
Cleared derivatives		—			—
Total derivative liabilities as reported in the Statement of Condition		147,351			310,425
Non-cash collateral received or pledged not offset:
Can be sold or repledged
Bilateral derivatives		(54,090		)	—
Cannot be sold or repledged
Bilateral derivatives		—			(257,603		)
Net unsecured amount:
Bilateral derivatives		93,261			52,822
Net unsecured amount		$	93,261		$	52,822

Notes:

⁽¹⁾ Represents derivatives that are not subject to an enforceable netting agreement (e.g., mortgage delivery commitments and certain interest-rate futures or forwards).

79

Notes to Financial Statements (continued)

Note 10 – Consolidated Obligations

Detailed information regarding consolidated obligations including general terms and interest rate payment terms can be found in Note 14 to the audited financial statements in the Bank's 2012 Form 10-K.

The following table details interest rate payment terms for consolidated obligation bonds as of September 30, 2013 and December 31, 2012.

(in thousands)	September 30, 2013			December 31, 2012
Par value of consolidated bonds:
Fixed-rate	$	29,204,880		$	31,307,129
Step-up	2,937,500			1,622,500
Floating-rate	3,010,000			1,860,000
Total par value	35,152,380			34,789,629
Bond premiums	92,846			99,090
Bond discounts	(14,379		)	(18,915		)
Hedging adjustments	(5,454		)	265,804
Total book value	$	35,225,393		$	35,135,608

Maturity Terms. The following table presents a summary of the Bank’s consolidated obligation bonds outstanding by year of contractual maturity as of September 30, 2013 and December 31, 2012.

	September 30, 2013				December 31, 2012
(dollars in thousands) Year of Contractual Maturity	Amount		Weighted Average Interest Rate		Amount		Weighted Average Interest Rate
Due in 1 year or less	$	8,311,720	1.41	%	$	11,543,105	1.14	%
Due after 1 year through 2 years	8,231,465		1.69		5,850,945		1.94
Due after 2 years through 3 years	3,766,665		1.60		5,617,465		2.32
Due after 3 years through 4 years	1,727,840		2.44		1,706,240		3.24
Due after 4 years through 5 years	4,795,025		1.76		2,941,900		1.86
Thereafter	7,626,040		2.12		6,155,290		2.32
Index amortizing notes	693,625		4.54		974,684		4.48
Total par value	$	35,152,380	1.81	%	$	34,789,629	1.93	%

The following table presents the Bank’s consolidated obligation bonds outstanding between noncallable and callable as of September 30, 2013 and December 31, 2012.

(in thousands)	September 30, 2013		December 31, 2012
Noncallable	$	22,207,380	$	26,470,629
Callable	12,945,000		8,319,000
Total par value	$	35,152,380	$	34,789,629

80

Notes to Financial Statements (continued)

The following table presents consolidated obligation bonds outstanding by the earlier of contractual maturity or next call date as of September 30, 2013 and December 31, 2012.

(in thousands) Year of Contractual Maturity or Next Call Date	September 30, 2013		December 31, 2012
Due in 1 year or less	$	20,916,220	$	19,541,605
Due after 1 year through 2 years	7,441,965		4,791,445
Due after 2 years through 3 years	2,091,665		5,242,465
Due after 3 years through 4 years	1,451,840		1,590,240
Due after 4 years through 5 years	1,495,525		1,354,400
Thereafter	1,061,540		1,294,790
Index amortizing notes	693,625		974,684
Total par value	$	35,152,380	$	34,789,629

Consolidated Obligation Discount Notes. Consolidated obligation discount notes are issued to raise short-term funds. Discount notes are consolidated obligations with original maturities up to one year. These notes are issued at less than their face amount and redeemed at par value when they mature. The following table details the Bank’s consolidated obligation discount notes, all of which are due within one year, as of September 30, 2013 and December 31, 2012.

(dollars in thousands)	September 30, 2013			December 31, 2012
Book value	$	21,983,019		$	24,148,453
Par value	21,987,100			24,154,343
Weighted average interest rate (1)	0.07		%	0.12		%

Note:

⁽¹⁾ Represents an implied rate.

During the third quarter of 2013, the Bank repurchased $758 million of swapped callable bonds. These early extinguishments resulted in a net gain of $9.6 million.

Note 11 – Capital

The Bank is subject to three capital requirements under its current capital plan structure and the Finance Agency rules and regulations: (1) risk-based capital; (2) total capital; and (3) leverage capital. See details regarding these requirements and the Bank’s capital plan in Note 17 to the audited financial statements in the Bank’s 2012 Form 10-K.

At September 30, 2013, the Bank was in compliance with all regulatory capital requirements. Mandatorily redeemable capital stock is considered capital for determining the Bank's compliance with its regulatory requirements. At September 30, 2013 and December 31, 2012, all of the Bank's capital stock outstanding was Class B stock.

The following table demonstrates the Bank’s compliance with these capital requirements at September 30, 2013 and December 31, 2012.

	September 30, 2013						December 31, 2012
(dollars in thousands)	Required			Actual			Required			Actual
Regulatory capital requirements:
Risk-based capital	$	1,060,610		$	3,139,874		$	1,029,858		$	3,806,806
Total capital-to-asset ratio	4.0		%	5.1		%	4.0		%	5.9		%
Total regulatory capital	2,462,511			3,139,874			2,584,651			3,806,806
Leverage ratio	5.0		%	7.7		%	5.0		%	8.8		%
Leverage capital	3,078,139			4,709,810			3,230,814			5,710,209

The decrease in the ratios from December 31, 2012 to September 30, 2013 was primarily due to the repurchases of excess capital stock. When the Finance Agency implemented the prompt corrective action provisions of the Housing Act, it established four capital classifications for the FHLBanks: adequately capitalized, undercapitalized, significantly undercapitalized, and critically undercapitalized. On September 25, 2013, the Bank received final notification from the Finance Agency that it was

81

Notes to Financial Statements (continued)

considered to be "adequately capitalized" for the quarter ended June 30, 2013. As of the date of this filing, the Bank has not received final notice from the Finance Agency regarding its capital classification for the quarter ended September 30, 2013.

Capital Concentrations. The following tables present member holdings of 10% or more of the Bank’s total capital stock including mandatorily redeemable capital stock outstanding as of September 30, 2013 and December 31, 2012.

(dollars in thousands)		September 30, 2013
Member		Capital Stock		% of Total
Chase Bank USA, N.A., Wilmington, DE		$	444,000	17.8	%
PNC Bank, N.A., Wilmington, DE	(1)	392,206		15.8
Sovereign Bank, N.A., Wilmington, DE	(2)	378,796		15.2

(dollars in thousands)		December 31, 2012
Member		Capital Stock		% of Total
Sovereign Bank, N.A., Wilmington, DE	(2)	$	652,430	20.1	%
PNC Bank, N.A., Wilmington, DE	(1)	358,945		11.1
Chase Bank USA, N.A., Wilmington, DE		330,066		10.2

Note:

⁽¹⁾ For Bank membership purposes, the principal place of business for PNC Bank, N.A. is Pittsburgh, PA.

⁽²⁾ Effective October 17, 2013, Sovereign Bank changed its name to Santander Bank, N.A., a subsidiary of Banco Santander, which is located in Spain.

Mandatorily Redeemable Capital Stock. Each FHLBank is a cooperative whose member financial institutions and former members own all of the relevant FHLBank's capital stock. Shares cannot be purchased or sold except between an FHLBank and its members at its $100 per share par value, as mandated by each FHLBank's capital plan.

At September 30, 2013 and December 31, 2012, the Bank had $40 thousand and $431.6 million, respectively, in capital stock subject to mandatory redemption with payment subject to a five-year waiting period and the Bank meeting its minimum regulatory capital requirements. For the three and nine months ended September 30, 2013, estimated dividends on mandatorily redeemable capital stock totaling $317 thousand and $1.3 million, respectively, were recorded as interest expense. For the three and nine months ended September 30, 2012, estimated dividends on mandatorily redeemable capital stock totaling $205 thousand and $319 thousand, respectively, were recorded as interest expense.

The following table provides the related dollar amounts for activities recorded in mandatorily redeemable capital stock during the nine months ended September 30, 2013 and 2012.

	Nine months ended September 30,
(in thousands)	2013			2012
Balance, beginning of the period	$	431,566		$	45,673
Capital stock subject to mandatory redemption reclassified from capital stock:
Due to withdrawals (includes mergers)	698			183,483
Redemption of mandatorily redeemable capital stock:
Other redemptions (1)	(432,224		)	(41,028		)
Balance, end of the period	$	40		$	188,128

Note:

⁽¹⁾ Reflects the impact on mandatorily redeemable capital stock related to excess capital stock repurchases.

As of September 30, 2013, the total mandatorily redeemable capital stock reflected the balance for one institution which had been merged out of district and is considered to be a nonmember. This capital stock supports an advance.

82

Notes to Financial Statements (continued)

The following table shows the amount of mandatorily redeemable capital stock by contractual year of redemption at September 30, 2013 and December 31, 2012.

(in thousands)	September 30, 2013		December 31, 2012
Due in 1 year or less	$	—	$	50
Due after 1 year through 2 years	—		2,323
Due after 2 years through 3 years	40		17,759
Due after 3 years through 4 years	—		124,502
Due after 4 years through 5 years	—		286,932
Total	$	40	$	431,566

The year of redemption in the table above is the end of the five-year redemption period for the mandatorily redeemable capital stock. Under the Finance Agency regulations and the terms of the Bank's Capital Plan, capital stock supporting advances and other activity with the Bank (e.g., letters of credit, mortgage loans, etc.) is not redeemable prior to the payoff or maturity of the associated advance or other activity, which may extend beyond five years.

Dividends and Retained Earnings. As prescribed in the FHLBanks' amended JCEA, each FHLBank is required to contribute 20% of its net income each quarter to a restricted retained earnings (RRE) account until the balance of that account equals at least 1% of that FHLBank's average balance of outstanding consolidated obligations for the previous quarter. These RRE will not be available to pay dividends. At September 30, 2013, retained earnings were $652.2 million, including $600.9 million of unrestricted retained earnings and $51.3 million of RRE.

The Finance Agency has issued regulatory guidance to the FHLBanks relating to capital management and retained earnings. The guidance directs each FHLBank to assess, at least annually, the adequacy of its retained earnings with

consideration given to future possible financial and economic scenarios. The guidance also outlines the considerations that each FHLBank should undertake in assessing the adequacy of the Bank’s retained earnings. The Bank’s retained earnings policy and capital adequacy metric utilize this guidance.

Dividends paid by the Bank are subject to Board approval and may be paid in either capital stock or cash; historically, the Bank has paid cash dividends only. On February 22, 2013, April 30, 2013 and July 30, 2013, the Bank paid dividends equal to an annual yield of 0.32% and 0.29%, and 1.00% respectively. On October 30, 2013, the Bank paid a dividend equal to an annual yield of 1.50%. The dividend in each period was calculated on stockholders' average balances for the previous quarter.

The Bank has repurchased $1.7 billion of excess capital stock during the first nine months of 2013. Currently, the Bank's practice is to repurchase all excess capital stock on a monthly basis. The Bank repurchased approximately $113 million of excess capital stock on October 16, 2013.

83

Notes to Financial Statements (continued)

The following table summarizes the changes in AOCI for the three months ended September 30, 2013 and 2012.

(in thousands)	Net Unrealized Gains(Losses) on AFS			Non-credit OTTI Gains(Losses) on AFS			Non-credit OTTI Gains(Losses) on HTM		Net Unrealized Gains on Hedging Activities		Pension and Post-Retirement Plans			Total
June 30, 2012	$	18,234		$	(96,703	)	$	—	$	286	$	(403	)	$	(78,586	)
Other comprehensive income (loss) before   reclassification:
Net unrealized gains	17,449			26,851			—		—		—			44,300
Net change in fair value of OTTI securities	—			62,497			—		—		—			62,497
Reclassifications from OCI to net income:
Noncredit OTTI to credit OTTI	—			186			—		—		—			186
Amortization - pension and post-retirement	—			—			—		—		29			29
September 30, 2012	$	35,683		$	(7,169	)	$	—	$	286	$	(374	)	$	28,426
June 30, 2013	$	(16,796	)	$	64,249		$	—	$	287	$	(919	)	$	46,821
Other comprehensive income (loss) before   reclassification:
Net unrealized gains (losses)	(7,115		)	1,706			—		—		—			(5,409		)
Net change in fair value of OTTI securities	—			1,228			—		—		—			1,228
Reclassifications from OCI to net income:
Reclassification adjustment for losses   included in net income	41			—			—		—		—			41
Amortization - pension and post-retirement	—			—			—		—		80			80
September 30, 2013	$	(23,870	)	$	67,183		$	—	$	287	$	(839	)	$	42,761

84

Notes to Financial Statements (continued)

The following table summarizes the changes in AOCI for the nine months ended September 30, 2013 and 2012.

(in thousands)	Net Unrealized Gains(Losses) on AFS			Non-credit OTTI Gains(Losses) on AFS			Non-credit OTTI Gains(Losses) on HTM			Net Unrealized Gains on Hedging Activities		Pension and Post-Retirement Plans			Total
December 31, 2011	$	5,891		$	(168,114	)	$	—		$	286	$	(428	)	$	(162,365	)
Other comprehensive income (loss) before   reclassification:
Net unrealized gains	29,792			34,361			—			—		—			64,153
Noncredit OTTI losses transferred	—			(662		)	662			—		—			—
Net change in fair value of OTTI securities	—			117,751			—			—		—			117,751
Reclassifications from OCI to net income:
Noncredit OTTI to credit OTTI	—			9,495			(662		)	—		—			8,833
Amortization - pension and post-retirement	—			—			—			—		54			54
September 30, 2012	$	35,683		$	(7,169	)	$	—		$	286	$	(374	)	$	28,426
December 31, 2012	$	35,390		$	18,999		$	—		$	286	$	(970	)	$	53,705
Other comprehensive income (loss) before   reclassification:
Net unrealized gains (losses)	(59,301		)	23,147			—			—		—			(36,154		)
Net change in fair value of OTTI securities	—			24,595			—			—		—			24,595
Reclassifications from OCI to net income:
Reclassification adjustment for losses   included in net income	41			—			—			—		—			41
Noncredit OTTI to credit OTTI	—			442			—			—		—			442
Amortization on hedging activities	—			—			—			1		—			1
Amortization - pension and post-retirement	—			—			—			—		131			131
September 30, 2013	$	(23,870	)	$	67,183		$	—		$	287	$	(839	)	$	42,761

85

Notes to Financial Statements (continued)

Note 12 – Transactions with Related Parties

The following table includes significant outstanding related party member balances.

(in thousands)	September 30, 2013		December 31, 2012
Federal funds sold	$	—	$	245,000
Investments	173,630		179,610
Advances	26,758,239		27,399,641
Letters of credit	2,238,796		84,230
MPF loans	1,723,777		2,303,281
Deposits	70,621		5,797
Capital stock	1,333,090		1,477,835

The following table summarizes the effects on the Statement of Income corresponding to the related party member balances above. Amounts related to Federal funds sold, interest income on investments, prepayment fees on advances, letters of credit fees, and interest expense on deposits were immaterial for the periods presented.

	Three months ended September 30,				Nine months ended September 30,
(in thousands)	2013		2012		2013		2012
Interest income on advances (1)	$	32,242	$	30,554	$	94,422	$	100,298
Interest income on MPF loans	24,205		32,416		78,517		102,813

Note:

⁽¹⁾ For the three months and nine months ended September 30, 2013, balances include contractual interest income of $86.8 million and $256.7 million, net interest settlements on derivatives in fair value hedge relationships of $(54.0) million and $(160.1) million and total amortization of basis adjustments of $(0.6) million and $(2.2) million. For the three months and nine months ended September 30, 2012, balances include contractual interest income of $87.3 million and $329.8 million, net interest settlements on derivatives in fair value hedge relationships of $(55.6) million and $(215.3) million and total amortization of basis adjustments of $(1.1) million and $(14.1) million.

The following table includes the MPF activity of the related party members.

	Three months ended September 30,				Nine months ended September 30,
(in thousands)	2013		2012		2013		2012
Total MPF loan volume purchased	$	6,569	$	57,566	$	13,018	$	89,142

The following table summarizes the effect of the MPF activities with FHLBank of Chicago.

	Three months ended September 30,				Nine months ended September 30,
(in thousands)	2013		2012		2013		2012
Servicing fee expense	$	231	$	190	$	681	$	545
Interest income on MPF deposits	—		3		6		6

(in thousands)	September 30, 2013		December 31, 2012
Interest-bearing deposits maintained with FHLBank of Chicago	$	4,351	$	11,435

From time to time, the Bank may borrow from or lend to other FHLBanks on a short-term uncollateralized basis. During the nine months ended September 30, 2013 and 2012, there was no borrowing or lending activity between the Bank and other FHLBanks.

Subject to mutually agreed upon terms, on occasion, an FHLBank may transfer its primary debt obligations to another FHLBank, which becomes the primary obligor on the transferred debt upon completion of the transfer. During the nine months ended September 30, 2013 and 2012, there were no transfers of debt between the Bank and another FHLBank.

From time to time, a member of one FHLBank may be acquired by a member of another FHLBank. When such an acquisition occurs, the two FHLBanks may agree to transfer at fair value the loans of the acquired member to the FHLBank of

86

Notes to Financial Statements (continued)

the surviving member. The FHLBanks may also agree to the purchase and sale of any related hedging instrument. The Bank had no such activity during the nine months ended September 30, 2013 and 2012.

Additional discussions regarding related party transactions can be found in Note 19 to the audited financial statements in the Bank's 2012 Form 10-K.

Note 13 – Estimated Fair Values

Fair value amounts, have been determined by the Bank using available market information and the Bank’s best judgment of appropriate valuation methods. These estimates are based on pertinent information available to the Bank at September 30, 2013 and December 31, 2012. Although the Bank uses its best judgment in estimating the fair value of these financial instruments, there are inherent limitations in any valuation technique. Therefore, these fair values are not necessarily equal to the amounts that would be realized in current market transactions, although they do reflect the Bank’s judgment of how a market participant would estimate the fair values.

The carrying value and estimated fair value of the Bank’s financial instruments at September 30, 2013 and December 31, 2012 are presented in the table below. This table does not represent an estimate of the overall market value of the Bank as a going-concern, which would take into account future business opportunities and the net profitability of assets and liabilities.

Fair Value Summary Table
	September 30, 2013
(in thousands)	Carrying Value		Level 1		Level 2		Level 3		Netting Adjust.			Estimated Fair Value
Assets:
Cash and due from banks	$	3,063,054	$	3,063,054	$	—	$	—	$	—		$	3,063,054
Interest-bearing deposits	4,351		—		4,351		—		—			4,351
Federal funds sold	3,705,000		—		3,704,988		—		—			3,704,988
Securities purchased under agreements to resell	250,000		—		249,999		—		—			249,999
Trading securities	57,837		4,182		53,655		—		—			57,837
AFS securities	6,927,169		1,998		5,730,421		1,194,750		—			6,927,169
HTM securities	4,587,304		—		3,700,216		934,462		—			4,634,678
Advances	39,505,938		—		39,523,927		—		—			39,523,927
Mortgage loans held for portfolio, net	3,277,725		—		3,429,368		—		—			3,429,368
BOB loans, net	11,180		—		—		11,180		—			11,180
Accrued interest receivable	85,088		—		85,088		—		—			85,088
Derivative assets	49,913		—		266,542		—		(216,629		)	49,913
Liabilities:
Deposits	$	780,689	$	—	$	780,693	$	—	$	—		$	780,693
Discount notes	21,983,019		—		21,984,606		—		—			21,984,606
Bonds	35,225,393		—		35,471,444		—		—			35,471,444
Mandatorily redeemable capital stock	40		40		—		—		—			40
Accrued interest payable	150,223		—		150,223		—		—			150,223
Derivative liabilities	147,351		—		840,703		—		(693,352		)	147,351

87

Notes to Financial Statements (continued)

	December 31, 2012
(in thousands)	Carrying Value		Level 1		Level 2		Level 3		Netting Adjust.			Estimated Fair Value
Assets:
Cash and due from banks	$	1,350,594	$	1,350,594	$	—	$	—	$	—		$	1,350,594
Interest-bearing deposits	11,435		—		11,435		—		—			11,435
Federal funds sold	4,595,000		—		4,594,970		—		—			4,594,970
Securities purchased under agreements to resell	2,500,000		—		2,499,997		—		—			2,499,997
Trading securities	353,590		3,600		349,990		—		—			353,590
AFS securities	5,932,248		1,998		4,505,016		1,425,234		—			5,932,248
HTM securities	5,664,954		—		4,551,752		1,204,003		—			5,755,755
Advances	40,497,787		—		40,668,739		—		—			40,668,739
Mortgage loans held for portfolio, net	3,532,549		—		3,791,036		—		—			3,791,036
BOB loans, net	12,846		—		—		12,846		—			12,846
Accrued interest receivable	92,685		—		92,685		—		—			92,685
Derivative assets	27,803		—		313,622		—		(285,819		)	27,803
Liabilities:
Deposits	$	999,891	$	—	$	999,893	$	—	$	—		$	999,893
Discount notes	24,148,453		—		24,150,089		—		—			24,150,089
Bonds	35,135,608		—		35,777,834		—		—			35,777,834
Mandatorily redeemable capital stock	431,566		431,920		—		—		—			431,920
Accrued interest payable	114,003		—		114,003		—		—			114,003
Derivative liabilities	310,425		—		884,703		—		(574,278		)	310,425

Fair Value Hierarchy. The Bank records trading securities, AFS securities, derivative assets and derivative liabilities at fair value. The fair value hierarchy is used to prioritize the inputs used to measure fair value for those assets and liabilities carried at fair value on the Statement of Condition. The inputs are evaluated and an overall level for the fair value measurement is determined. This overall level is an indication of the market observability of the fair value measurement for the asset or liability.

The fair value hierarchy prioritizes the inputs used to measure fair value into three broad levels:

Level 1 Inputs - Quoted prices (unadjusted) for identical assets or liabilities in an active market that the reporting entity can access on the measurement date.

Level 2 Inputs - Inputs other than quoted prices within Level 1 that are observable inputs for the asset or liability, either directly or indirectly. If the asset or liability has a specified (contractual) term, a Level 2 input must be observable for substantially the full term of the asset or liability. Level 2 inputs include the following: (1) quoted prices for similar assets or liabilities in active markets; (2) quoted prices for identical or similar assets or liabilities in markets that are not active or in which little information is released publicly; (3) inputs other than quoted prices that are observable for the asset or liability (e.g., interest rates and yield curves that are observable at commonly quoted intervals, and implied volatilities); and (4) inputs that are derived principally from or corroborated by observable market data by correlation or other means.

Level 3 Inputs - Unobservable inputs for the asset or liability.

The Bank reviews its fair value hierarchy classifications on a quarterly basis. Changes in the observability of the valuation inputs may result in a reclassification within the fair value hierarchy of certain assets or liabilities. These reclassifications are reported as transfers in/out of the level as of the beginning of the quarter in which the changes occur. There were no such transfers during the nine months ended September 30, 2013 and 2012.

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Notes to Financial Statements (continued)

Summary of Valuation Methodologies and Primary Inputs

Cash and Due from Banks. The fair values equal the carrying values.

Interest Bearing Deposits. The fair value is determined by calculating the present value of the future cash flows. The discount rates used in these calculations are the rates for interest-bearing deposits with similar terms.

Federal Funds Sold. The fair value of Federal funds sold is determined by calculating the present value of the future cash flows. The discount rates used in these calculations are the rates for Federal funds with similar terms.

Securities Purchased Under Agreement to Resell. The fair values are determined by calculating the present value of the future cash flows. The discount rates used in these calculations are the rates for securities with similar terms. For securities with variable rates or fixed rates with three months or less to maturity or repricing, the fair values approximate the carrying values.

Investment Securities – non-MBS. The Bank uses the income approach to determine the estimated fair value of non-MBS investment securities. The significant inputs include a market-observable interest rate curve and a discount spread, if applicable. The market-observable interest rate curves used by the Bank and the related instrument types they measure are as follows:

• Treasury curve: U.S. Treasury obligations

• LIBOR Swap curve: certificates of deposit

• CO curve: Government-sponsored enterprises, state and local agency, and other U.S. obligations

Investment Securities – MBS.  To value MBS holdings, the Bank obtains prices from four designated third-party pricing vendors, when available. The pricing vendors use various proprietary models to price MBS. The inputs to those models are derived from various sources including, but not limited to: benchmark yields, reported trades, dealer estimates, issuer spreads, benchmark securities, bids, offers and other market-related data. Since many MBS do not trade on a daily basis, the pricing vendors use available information as applicable such as benchmark curves, benchmarking of like securities, sector groupings and matrix pricing to determine the prices for individual securities. Each pricing vendor has an established challenge process in place for all MBS valuations, which facilitates resolution of potentially erroneous prices identified by the Bank. The Bank considers these inputs to be Level 2 inputs. However, based on the current lack of significant market activity for private label residential MBS, the Bank believes as of September 30, 2013 private label residential MBS inputs should be classified as Level 3.

During the year, the Bank conducts reviews of the four pricing vendors to enhance its understanding of the vendors' pricing processes, methodologies and control procedures for agency and private label MBS. To the extent available, the Bank also reviews the vendors' independent auditors' reports regarding the internal controls over their valuation processes.

The Bank's valuation technique first requires the establishment of a median price for each security. All prices that are within a specified tolerance threshold of the median price are included in the cluster of prices that are averaged to compute a default price. Prices that are outside the threshold (outliers) are subject to further analysis (including, but not limited to, comparison to prices provided by an additional third-party valuation service, prices for similar securities, and/or non-binding dealer estimates) to determine if an outlier is a better estimate of fair value. If an outlier (or some other price identified in the analysis) is determined to be a better estimate of fair value, then the outlier (or the other price as appropriate) is used as the final price rather than the default price. If, on the other hand, the analysis confirms that an outlier (or outliers) is (are) in fact not representative of fair value and the default price is the best estimate, then the default price is used as the final price. In all cases, the final price is used to determine the fair value of the security. If all prices received for a security are outside the tolerance threshold level of the median price, then there is no default price, and the final price is determined by an evaluation of all outlier prices as described above.

As an additional step, the Bank reviewed the final fair value estimates of its private-label MBS holdings as of September 30, 2013 for reasonableness using an implied yield test. On certain securities, the Bank calculated an implied yield using the estimated fair value derived from the process described above and the security's projected cash flows from the Bank's OTTI process and compared such yield to the market yield for comparable securities according to dealers and other third-party sources to the extent comparable market yield data was available. This analysis did not indicate that any adjustments to the fair value estimates were necessary.

As of September 30, 2013, four vendor prices were received for a majority of the Bank's MBS holdings, and the final prices for a majority of those securities were computed by averaging the four prices. Based on the Bank's reviews of the pricing

89

Notes to Financial Statements (continued)

methods and controls employed by the third-party pricing vendors and the relative lack of dispersion among the vendor prices (or, in those instances in which there were outliers or significant yield variances, the Bank's additional analyses), the Bank believes the final prices are representative of the prices that would have been received if the assets had been sold at the measurement date (i.e., exit prices) and further that the fair value measurements are classified appropriately in the fair value hierarchy.

Mutual Funds Offsetting Deferred Compensation and Employee Benefit Plan Obligations. Fair values for publicly traded mutual funds are based on quoted market prices.

Advances. The Bank determines the fair value by calculating the present value of expected future cash flows from the advances. The discount rates used in these calculations are equivalent to the replacement advance rates for advances with similar terms. The inputs used to determine fair value of advances are the LIBOR curve, a volatility assumption for advances with optionality, and a spread adjustment.

Mortgage Loans Held For Portfolio. The fair value is determined based on quoted market prices for new MBS issued by U.S. GSEs. Prices are then adjusted for differences in coupon, seasoning and credit quality between the Bank’s mortgage loans and the referenced MBS. The prices of the referenced MBS are highly dependent upon the underlying prepayment assumptions priced in the secondary market. Changes in the prepayment rates can have a material effect on the fair value estimates. Prepayment assumptions are susceptible to material changes in the near term because they are made at a specific point in time.

Accrued Interest Receivable and Payable. The fair values approximate the carrying values.

Derivative Assets/Liabilities. The Bank bases the fair values of derivatives with similar terms on market prices, when available. However, market prices do not exist for many types of derivative instruments. Consequently, fair values for these instruments are estimated using standard valuation techniques such as discounted cash flow analysis and comparisons to similar instruments. Estimates developed using these methods are highly subjective and require judgment regarding significant matters such as the amount and timing of future cash flows, volatility of interest rates and the selection of discount rates that appropriately reflect market and credit risks. The use of different assumptions could have a material effect on the fair value estimates. Because these estimates are made as of a specific point in time, they are susceptible to material near-term changes.

The Bank is subject to credit risk on bilateral derivatives transactions due to the potential nonperformance by the derivatives counterparties, all of which are highly rated institutions. To mitigate this risk, the Bank has entered into netting arrangements for its derivative transactions. In addition, the Bank has entered into bilateral security agreements with all active derivatives counterparties that provide for delivery of collateral at specified levels tied to those counterparties’ credit ratings to limit the Bank’s net unsecured credit exposure to these counterparties. For cleared derivatives, the Bank's credit risk exposure is mitigated because a central counterparty is substituted for individual counterparties and collateral is posted daily for changes in the value of cleared derivatives. The Bank has evaluated the potential for the fair value of the instruments to be affected by counterparty credit risk and has determined that no adjustments were significant or necessary to the overall fair value measurements.

The fair values of the Bank’s derivative assets and liabilities include accrued interest receivable/payable and cash collateral remitted to/received from counterparties. The estimated fair values of the accrued interest receivable/payable and cash collateral approximate their carrying values due to their short-term nature. The fair values of derivatives are netted by counterparty pursuant to the provisions of each of the Bank’s netting agreements. If these netted amounts are positive, they are classified as an asset; if negative, a liability.

The discounted cash flow analysis used to determine the fair value of derivative instruments utilizes market-observable inputs (inputs that are actively quoted and can be validated to external sources). Inputs by class of derivative are as follows:

Interest-rate related:

• Discount rate assumption. OIS curve.

• Forward interest rate assumption. LIBOR Swap Curve.

• Volatility assumption. Market-based expectations of future interest rate volatility implied from current market prices for similar options.

Mortgage delivery commitments:

• To Be Announced (TBA) securities prices. Market-based prices of TBAs are determined by coupon class and expected term until settlement.

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Notes to Financial Statements (continued)

BOB Loans. The fair value approximates the carrying value.

Deposits. The Bank determines the fair value by calculating the present value of expected future cash flows from the deposits. The discount rates used in these calculations are the cost of deposits with similar terms.

Consolidated Obligations. The Bank’s internal valuation model determines fair values of consolidated obligations bonds and discount notes by calculating the present value of expected cash flows using market-based yield curves. The inputs used to determine fair value of consolidated obligations are a CO curve and a LIBOR swap curve, a volatility assumption for consolidated obligations with optionality, and a spread adjustment.

Mandatorily Redeemable Capital Stock. The fair value of capital stock subject to mandatory redemption is generally equal to its par value as indicated by contemporaneous member purchases and sales at par value. Fair value also includes an estimated dividend earned at the time of reclassification from equity to liabilities, until such amount is paid, and any subsequently-declared dividend. FHLBank stock can only be acquired and redeemed at par value. FHLBank stock is not traded and no market mechanism exists for the exchange of stock outside the FHLBank System's cooperative structure.

Commitments. For fixed-rate loan commitments, fair value also considers the difference between current levels of interest rates and the committed rates. The fair value of standby letters of credit is based on the present value of fees currently charged for similar agreements or on the estimated cost to terminate them or otherwise settle the obligations with the counterparties. The fair value of the Bank's commitments to extend credit for advances and letters of credit was immaterial at September 30, 2013 and December 31, 2012.

Subjectivity of Estimates. Estimates of the fair value of financial assets and liabilities using the methods described above are highly subjective and require judgments regarding significant matters such as the amount and timing of future cash flows, prepayment speed assumptions, expected interest rate volatility, possible distributions of future interest rates used to value options, and the selection of discount rates that appropriately reflect market and credit risks. The use of different assumptions could have a material effect on the fair value estimates. These estimates are susceptible to material near term changes because they are made as of a specific point in time.

91

Notes to Financial Statements (continued)

Fair Value on a Recurring Basis. The following tables present, for each hierarchy level, the Bank’s assets and liabilities that are measured at fair value on a recurring basis on its Statement of Condition at September 30, 2013 and December 31, 2012.

	September 30, 2013
(in thousands)	Level 1		Level 2		Level 3		Netting Adjustment(1)			Total
Assets:
Trading securities:
GSE securities	$	—	$	53,655	$	—	$	—		$	53,655
Mutual funds	4,182		—		—		—			4,182
Total trading securities	$	4,182	$	53,655	$	—	$	—		$	57,837
AFS securities:
GSE securities	$	—	$	2,249,793	$	—	$	—		$	2,249,793
State or local agency obligations	—		14,437		—		—			14,437
Mutual funds	1,998		—		—		—			1,998
Other U.S. obligations residential MBS	—		400,171		—		—			400,171
GSE MBS	—		3,066,020		—		—			3,066,020
Private label MBS:
Private label residential MBS	—		—		1,180,008		—			1,180,008
HELOCs	—		—		14,742		—			14,742
Total AFS securities	$	1,998	$	5,730,421	$	1,194,750	$	—		$	6,927,169
Derivative assets:
Interest rate related	$	—	$	266,062	$	—	$	(216,629	)	$	49,433
Mortgage delivery commitments	—		480		—		—			480
Total derivative assets	$	—	$	266,542	$	—	$	(216,629	)	$	49,913
Total assets at fair value	$	6,180	$	6,050,618	$	1,194,750	$	(216,629	)	$	7,034,919
Liabilities:
Derivative liabilities:
Interest rate related	$	—	$	840,699	$	—	$	(693,352	)	$	147,347
Mortgage delivery commitments	—		4		—		—			4
Total derivative liabilities (2)	$	—	$	840,703	$	—	$	(693,352	)	$	147,351

92

Notes to Financial Statements (continued)

	December 31, 2012
(in thousands)	Level 1		Level 2		Level 3		Netting Adjustment(1)			Total
Assets:
Trading securities:
U.S. Treasury bills	$	—	$	349,990	$	—	$	—		$	349,990
Mutual funds	3,600		—		—		—			3,600
Total trading securities	$	3,600	$	349,990	$	—	$	—		$	353,590
AFS securities:
Other U.S. obligations	$	—	$	21,016	$	—	$	—		$	21,016
GSE securities	—		1,169,344		—		—			1,169,344
State or local agency obligations	—		11,130		—		—			11,130
Mutual funds	1,998		—		—		—			1,998
Other U.S. obligations residential MBS	—		310,705		—		—			310,705
GSE MBS	—		2,992,821		—		—			2,992,821
Private label MBS:
Private label residential MBS	—		—		1,410,476		—			1,410,476
HELOCs	—		—		14,758		—			14,758
Total AFS securities	$	1,998	$	4,505,016	$	1,425,234	$	—		$	5,932,248
Derivative assets:
Interest rate related	$	—	$	313,000	$	—	$	(285,819	)	$	27,181
Mortgage delivery commitments	—		622		—		—			622
Total derivative assets	$	—	$	313,622	$	—	$	(285,819	)	$	27,803
Total assets at fair value	$	5,598	$	5,168,628	$	1,425,234	$	(285,819	)	$	6,313,641
Liabilities:
Derivative liabilities:
Interest rate related	$	—	$	884,703	$	—	$	(574,278	)	$	310,425
Total derivative liabilities (2)	$	—	$	884,703	$	—	$	(574,278	)	$	310,425

Notes:

⁽¹⁾ Amounts represent the application of the netting requirements that allow the Bank to settle positive and negative positions and also cash collateral held or placed by the Bank with the same clearing agent and/or counterparties.

⁽²⁾ Derivative liabilities represent the total liabilities at fair value.

There were no transfers between Levels 1 and 2 during the first nine months of 2013 or 2012.

93

Notes to Financial Statements (continued)

Level 3 Disclosures for all Assets and Liabilities That Are Measured at Fair Value on a Recurring Basis. The following table presents a reconciliation of all assets and liabilities that are measured at fair value on the Statement of Condition using significant unobservable inputs (Level 3) for the first nine months of 2013 and 2012. For instruments carried at fair value, the Bank reviews the fair value hierarchy classifications on a quarterly basis. Changes in the observability of the valuation attributes may result in a reclassification of certain financial assets or liabilities. Such reclassifications are reported as transfers in/out at fair value in the quarter in which the changes occur. Transfers are reported as of the beginning of the period.

(in thousands)	AFS Private Label MBS-Residential Nine Months Ended September 30, 2013			AFS Private Label MBS- HELOCs Nine Months Ended September 30, 2013
Balance at January 1	$	1,410,476		$	14,758
Total gains (losses) (realized/unrealized) included in:
Accretion of credit losses in interest income	(2,857		)	600
Net OTTI losses, credit portion	(345		)	(97		)
Net unrealized gains on AFS in OCI	162			—
Reclassification of non-credit portion included in net income	345			97
Net change in fair value on OTTI AFS in OCI	24,362			233
Unrealized gains on OTTI AFS and included in OCI	21,164			1,983
Purchases, issuances, sales, and settlements:
Settlements	(273,299		)	(2,832		)
Balance at September 30	$	1,180,008		$	14,742
Total amount of (losses) for the period presented included in earnings attributable to the change in unrealized gains or losses relating to assets and liabilities still held at September 30, 2013	$	(345	)	$	(97	)

(in thousands)	AFS Private Label MBS-Residential Nine Months Ended September 30, 2012			AFS Private Label MBS- HELOCs Nine Months Ended September 30, 2012
Balance at January 1	$	1,631,361		$	15,073
Total gains (losses) (realized/unrealized) included in:
Accretion of credit losses in interest income	(4,380		)	692
Net OTTI losses, credit portion	(9,866		)	(1,084		)
Net unrealized gains on AFS in OCI	213			—
Reclassification of non-credit portion included in net income	8,411			1,084
Net change in fair value on OTTI AFS in OCI	116,632			1,119
Unrealized gains on OTTI AFS and included in OCI	34,190			171
Purchases, issuances, sales, and settlements:
Settlements	(321,165		)	(2,480		)
Transfer of OTTI securities from HTM to AFS	11,268			—
Balance at September 30	$	1,466,664		$	14,575
Total amount of (losses) for the period presented included in earnings attributable to the change in unrealized gains or losses relating to assets and liabilities still held at September 30, 2012	$	(14,247	)	$	(392	)

During the first nine months of 2013, the Bank transferred no private label MBS from its HTM portfolio to its AFS portfolio in the period in which the OTTI charge was recorded. During the first nine months of 2012, the Bank transferred one private label MBS from its HTM portfolio to its AFS portfolio. Because transfers of OTTI securities are separately reported in the quarter in which they occur, the net OTTI losses and noncredit losses recognized on these securities are not separately reflected in the tables above.

94

Notes to Financial Statements (continued)

Note 14 – Commitments and Contingencies

The following table presents the Bank's various off-balance sheet commitments which are described in detail below.

(in thousands)	September 30, 2013						December 31, 2012
Notional amount	Expire Within One Year		Expire After One Year		Total		Total
Standby letters of credit outstanding (1)	$	7,069,649	$	2,563,500	$	9,633,149	$	7,636,199
Commitments to fund additional advances and BOB loans	422,202		—		422,202		501,087
Commitments to fund or purchase mortgage loans	20,389		—		20,389		34,332
Unsettled consolidated obligation bonds, at par (2)	772,000		—		772,000		1,420,000

Notes:

⁽¹⁾ Includes approved requests to issue future standby letters of credit of $225.5 million and $400.3 million at September 30, 2013 and December 31, 2012, respectively.

⁽²⁾ Includes $0.1 billion and $1.4 billion of consolidated obligation bonds which were hedged with associated interest rate swaps at September 30, 2013 and December 31, 2012, respectively.

Commitments to Extend Credit on Standby Letters of Credit, Additional Advances and BOB Loans. Standby letters of credit are issued on behalf of members for a fee. A standby letter of credit is a financing arrangement between the Bank and its member. If the Bank is required to make payment for a beneficiary’s draw, these amounts are withdrawn from the member’s Demand Deposit Account (DDA). Any remaining amounts not covered by the withdrawal from the member’s DDA are converted into a collateralized advance. The original terms of these standby letters of credit, including related commitments, range from less than one month to five years, including a final expiration in 2018. Commitments that legally bind and unconditionally obligate the Bank for additional advances, including BOB loans, may be outstanding for periods of up to two years.

Unearned fees related to standby letters of credit are recorded in other liabilities and had a balance of $2.4 million and $1.6 million as of September 30, 2013 and December 31, 2012, respectively. The Bank monitors the creditworthiness of its standby letters of credit based on an evaluation of the member. The Bank has established parameters for the review, assessment, monitoring and measurement of credit risk related to these standby letters of credit.

Based on management’s credit analyses, collateral requirements, and adherence to the requirements set forth in Bank policy and Finance Agency regulations, the Bank has not recorded any additional liability on these commitments and standby letters of credit. Excluding BOB, commitments and standby letters of credit are collateralized at the time of issuance. The Bank records a liability with respect to BOB commitments, which is reflected in Other liabilities on the Statement of Condition.

The Bank does not have any legally binding or unconditional unused lines of credit for advances at September 30, 2013 and December 31, 2012. However, within the Bank's Open RepoPlus advance product, there were conditional lines of credit outstanding at September 30, 2013 and December 31, 2012 of $5.9 billion and $6.1 billion, respectively.

Commitments to Fund or Purchase Mortgage Loans. The Bank may enter into commitments that unconditionally obligate the Bank to purchase mortgage loans under the MPF program. These delivery commitments are generally for periods not to exceed 45 days. Such commitments are recorded as derivatives.

Pledged Collateral. The Bank has pledged securities, as collateral, related to derivatives. Refer to Note 9 - Derivatives and Hedging Activities in this Form 10-Q for additional information about the Bank's pledged collateral and other credit risk-related contingent features.

Legal Proceedings. The Bank is subject to legal proceedings arising in the normal course of business. After consultation with legal counsel, management does not anticipate that the ultimate liability, if any, arising out of these matters will have a

material effect on its financial condition or results of operations.

Notes 6, 10, 11, and 12 also discuss other commitments and contingencies.

Item 3:  Quantitative and Qualitative Disclosures about Market Risk

See the Risk Management section in Part I, Item 2. Management’s Discussion and Analysis in this Form 10-Q.

Item 4: Controls and Procedures

Under the supervision and with the participation of the Bank’s management, including the chief executive officer and chief accounting officer, the Bank conducted an evaluation of its disclosure controls and procedures, as such term is defined under Rule 13a-15(e) promulgated under the Securities Exchange Act of 1934, as amended (the 1934 Act). Based on this evaluation, the Bank’s chief executive officer and chief accounting officer concluded that the Bank’s disclosure controls and procedures were effective as of September 30, 2013.

Internal Control Over Financial Reporting

There have been no changes in internal control over financial reporting that occurred during the third quarter of 2013 that have materially affected, or are reasonably likely to materially affect, the Bank’s internal control over financial reporting.

PART II – OTHER INFORMATION

Item 1: Legal Proceedings

On September 23, 2009, the Bank filed two complaints in state court which is the Court of Common Pleas of Allegheny County, Pennsylvania (Court) for the recovery of the Bank’s losses relating to nine private label MBS bonds purchased from J.P. Morgan Securities, Inc. (J.P. Morgan) in an aggregate original principal amount of approximately $1.68 billion. In addition to J.P. Morgan, the parties include: J.P. Morgan Mortgage Acquisition Corp.; J.P. Morgan Mortgage Acceptance Corporation I; Chase Home Finance L.L.C.; Chase Mortgage Finance Corporation; J.P. Morgan Chase & Co.; Moody’s Corporation; Moody’s Investors Service Inc.; The McGraw-Hill Companies, Inc.; and Fitch, Inc. The Bank’s complaints assert claims for fraud, negligent misrepresentation and violations of state and Federal securities laws. Chase Bank USA, N.A. (Chase Bank), which is affiliated with J.P. Morgan Chase & Co., is a member of the Bank but is not a defendant in these actions. Chase Bank held 17.8% and 10.2% of the Bank’s capital stock as of September 30, 2013 and December 31, 2012 respectively.

On October 2, 2009, the Bank filed a complaint in the Court against: The McGraw-Hill Companies, Inc.; Fitch, Inc.; Moody’s Corporation; and Moody’s Investors Service, Inc., the rating agencies for the recovery of losses related to certain private label MBS bonds purchased by the Bank in the aggregate original principal amount of approximately $640.0 million. The Bank’s complaint asserts claims for fraud, negligent misrepresentation and violations of Federal securities laws.

On October 13, 2009, the Bank filed a complaint in the Court against: Countrywide Securities Corporation, Countrywide Home Loans, Inc., various other Countrywide related entities; Moody’s Corporation; Moody’s Investors Service, Inc.; The McGraw-Hill Companies, Inc.; and Fitch, Inc. for the recovery of losses related to five Countrywide private label MBS bonds in the aggregate original principal amount of approximately $366.0 million. The Bank’s complaint asserts claims for fraud, negligent misrepresentation and violations of state and Federal securities laws.

The defendants in each of the private label MBS lawsuits discussed above filed motions to dismiss with the Court. By order dated November 29, 2010, the Court determined that the Bank’s claims against the majority of defendants can continue and the litigation is in the discovery phase.

Countrywide and J.P. Morgan defendants filed motions for partial summary judgment, and a hearing on the motions was held on April 24, 2012. On November 26, 2012, the Court issued the following rulings: (1) defendant Countrywide entities' motion for partial summary judgment based on the one-year statute of limitations of the Bank's claims under federal and state securities laws was granted; (2) defendant J.P. Morgan entities' motion for partial summary judgment based on the Bank's claims under state securities laws was denied as to defendant J.P. Morgan Securities LLC and was granted as to the remaining J.P. Morgan defendants; (3) defendant J.P. Morgan entities motion for partial summary judgment based on the one-year statute of limitations of the Bank's claims under federal securities laws was denied. In its order, the Court dismissed claims relating to three J.P. Morgan securities that the Bank did not have at issue before the Court. The Bank maintains its claims against Countrywide entities for fraud and negligent misrepresentation; against J.P. Morgan entities for fraud, negligent

95

misrepresentation and state and federal securities law claims not otherwise dismissed by the Court; and against the ratings agencies for fraud.

On December 12, 2012, defendant J.P. Morgan filed a Motion for Reconsideration in one of the two cases of the November 26, 2012 ruling again seeking partial summary judgment of the Bank's federal securities law claims in one of the two lawsuits the Bank filed on September 23, 2009. On March 6, 2013, the Court denied the Motion for Reconsideration.

Item 1A: Risk Factors

For a complete discussion of Risk Factors, see Item 1A. Risk Factors in the Bank’s 2012 Form 10-K. Other than as noted below, management believes that there have been no material changes from the Risk Factors disclosed in the Bank's 2012 Form  10-K.

As of October 31, 2013, FHLBank System consolidated obligation bonds have been assigned Aaa/Stable Outlook and AA+/Stable Outlook ratings by Moody's and S&P, respectively. Consolidated obligation discount notes have been assigned a P-1 and A-1+ rating by Moody's and S&P, respectively. With the exception of FHLBank Seattle which has a long-term rating of AA/Stable Outlook by S&P, all FHLBanks have been assigned a long-term rating of Aaa/Stable Outlook and AA+/Stable Outlook by Moody's and S&P, respectively. All FHLBanks have been assigned a short-term rating of P-1 and A-1+ by Moody's and S&P, respectively.

Item 2: Unregistered Sales of Equity Securities and Use of Proceeds

Not applicable.

Item 3: Defaults upon Senior Securities

None.

Item 4: Mine Safety Disclosures

Not applicable.

Item 5: Other Information

None

Item 6: Exhibits

Exhibit 31.1	Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 for the Chief Executive Officer
Exhibit 31.2	Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 for the Chief Accounting Officer
Exhibit 32.1	Certification Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 for the Chief Executive Officer
Exhibit 32.2	Certification Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 for the Chief Accounting Officer
Exhibit 101	Interactive Data File (XBRL)

96

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Federal Home Loan Bank of Pittsburgh

(Registrant)

Date: November 7, 2013

By: /s/ Edward V. Weller

Edward V. Weller

Chief Accounting Officer

(Principal Financial Officer)

97

EX-31.1

Exhibit 31.1

In accordance with Exchange Act Rules 13a-14(f) and 15d-14(f), this certification does not relate to Interactive Data Files as defined in Rule 11 of Regulation S-T.

Certification Pursuant to Section 302

of the Sarbanes-Oxley Act of 2002

for the Chief Executive Officer

I, Winthrop Watson, certify that:

1. I have reviewed this quarterly report on Form 10-Q for the Federal Home Loan Bank of Pittsburgh (the registrant);

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and we have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant is made known to us, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date:     November 7, 2013/s/ Winthrop Watson

Name:    Winthrop Watson

Title:    President & Chief Executive Officer

EX-31.2

Exhibit 31.2

In accordance with Exchange Act Rules 13a-14(f) and 15d-14(f), this certification does not relate to Interactive Data Files as defined in Rule 11 of Regulation S-T.

Certification Pursuant to Section 302

of the Sarbanes-Oxley Act of 2002

for the Chief Accounting Officer (Principal Financial Officer)

I, Edward V. Weller, certify that:

1. I have reviewed this quarterly report on Form 10-Q for the Federal Home Loan Bank of Pittsburgh (the registrant);

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and we have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant is made known to us, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date:     November 7, 2013/s/ Edward V. Weller

Name:    Edward V. Weller

Title:    Chief Accounting Officer (Principal Financial Officer)

EX-32.1

Exhibit 32.1

In accordance with Exchange Act Rules 13a-14(f) and 15d-14(f), this certification does not relate to Interactive Data Files as defined in Rule 11 of Regulation S-T.

Certification Pursuant to 18 U.S.C. Section 1350,

as Adopted Pursuant to Section 906

of the Sarbanes-Oxley Act of 2002 for the Chief Executive Officer

I, Winthrop Watson, state and attest that:

1. I am the Chief Executive Officer of the Federal Home Loan Bank of Pittsburgh (the registrant).

2. I hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge, that:

l this Form 10-Q of the registrant for the quarter ended September 30, 2013 (the periodic report) containing financial statements fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and

l the information contained in the periodic report fairly presents, in all material respects, the financial condition and results of operations of the registrant as of, and for, the periods presented.

Date:     November 7, 2013/s/ Winthrop Watson

Name:    Winthrop Watson

Title:    President & Chief Executive Officer

A signed original of this written statement required by Section 906 has been provided to the Federal Home Loan Bank of Pittsburgh and will be retained by the Federal Home Loan Bank of Pittsburgh and furnished to the Securities and Exchange Commission or its staff upon request.

EX-32.2

Exhibit 32.2

In accordance with Exchange Act Rules 13a-14(f) and 15d-14(f), this certification does not relate to Interactive Data Files as defined in Rule 11 of Regulation S-T.

Certification Pursuant to 18 U.S.C. Section 1350,

as Adopted Pursuant to Section 906

of the Sarbanes-Oxley Act of 2002 for the Chief Accounting Officer (Principal Financial Officer)

I, Edward V. Weller, state and attest that:

1. I am the Chief Accounting Officer of the Federal Home Loan Bank of Pittsburgh (the registrant).

2. I hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge, that:

l this Form 10-Q of the registrant for the quarter ended September 30, 2013 (the periodic report) containing financial statements fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and

l the information contained in the periodic report fairly presents, in all material respects, the financial condition and results of operations of the registrant as of, and for, the periods presented.

Date:     November 7, 2013/s/ Edward V. Weller

Name:    Edward V. Weller

Title:    Chief Accounting Officer (Principal Financial Officer)

A signed original of this written statement required by Section 906 has been provided to the Federal Home Loan Bank of Pittsburgh and will be retained by the Federal Home Loan Bank of Pittsburgh and furnished to the Securities and Exchange Commission or its staff upon request.

XML

Transactions with Related Parties (Statement of Income Effects) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2013		Sep. 30, 2012
Related Party Transaction [Line Items]
Interest income on advances (1)	$ 55,559		$ 66,122		$ 167,858		$ 197,027
Interest Income on MPF	34,200		41,284		107,463		128,788
Total MPF Loan Volume Purchased					390,652		397,646
Principal Owner [Member]
Related Party Transaction [Line Items]
Interest income on advances (1)	32,242	[1]	30,554	[1]	94,422	[1]	100,298	[1]
Interest Income on MPF	24,205		32,416		78,517		102,813
Total MPF Loan Volume Purchased	$ 6,569		$ 57,566		$ 13,018		$ 89,142

[1] For the three months and nine months ended September 30, 2013, balances include contractual interest income of $86.8 million and $256.7 million, net interest settlements on derivatives in fair value hedge relationships of $(54.0) million and $(160.1) million and total amortization of basis adjustments of $(0.6) million and $(2.2) million. For the three months and nine months ended September 30, 2012, balances include contractual interest income of $87.3 million and $329.8 million, net interest settlements on derivatives in fair value hedge relationships of $(55.6) million and $(215.3) million and total amortization of basis adjustments of $(1.1) million and $(14.1) million.

XML

Consolidated Obligations (Consolidated Obligation Bonds by Earlier of Contractual Maturity or Next Call Date) (Details) (Consolidated Obligation Bonds, USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Schedule of Short-term and Long-term Debt [Line Items]
Due in 1 year or less	$ 8,311,720	$ 11,543,105
Due after 1 year through 2 years	8,231,465	5,850,945
Due after 2 years through 3 years	3,766,665	5,617,465
Due after 3 years through 4 years	1,727,840	1,706,240
Due after 4 years through 5 years	4,795,025	2,941,900
Thereafter	7,626,040	6,155,290
Index amortizing notes	693,625	974,684
Par value of consolidated bonds	35,152,380	34,789,629
Earlier of Contractual Maturity or Next Call Date [Member]
Schedule of Short-term and Long-term Debt [Line Items]
Due in 1 year or less	20,916,220	19,541,605
Due after 1 year through 2 years	7,441,965	4,791,445
Due after 2 years through 3 years	2,091,665	5,242,465
Due after 3 years through 4 years	1,451,840	1,590,240
Due after 4 years through 5 years	1,495,525	1,354,400
Thereafter	1,061,540	1,294,790
Index amortizing notes	$ 693,625	$ 974,684

XML

Consolidated Obligations (Narrative) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Consolidated Obligation [Abstract]
Debt Instrument, Repurchased Face Amount	$ 758,000,000		$ 758,000,000
Net gains on extinguishment of debt	$ 9,665,000	$ 0	$ 9,665,000	$ 0

XML

Estimated Fair Values (Level 3 Reconciliation) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2013		Sep. 30, 2012
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Net OTTI losses, credit portion	$ 0	[1]	$ (186)	[1]	$ (442)	[1]	$ (10,950)	[1]
Net change in fair value on OTTI AFS in OCI	1,228		62,497		24,595		117,751
Unrealized gains on OTTI AFS in OCI	1,706		26,851		23,147		34,361
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 | Available-for-Sale Securities, Private Label Residential Mortgage Backed Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at January 1					1,410,476		1,631,361
Accretion of credit losses in interest income					(2,857)		(4,380)
Net OTTI losses, credit portion					(345)		(9,866)
Net unrealized gains on AFS in OCI					162		213
Reclassification of non-credit portion included in net income					345		8,411
Net change in fair value on OTTI AFS in OCI					24,362		116,632
Unrealized gains on OTTI AFS in OCI					21,164		34,190
Purchases, issuances, sales, and settlements:
Settlements					(273,299)		(321,165)
Transfer of OTTI securities from HTM to AFS							11,268
Balance at June 30	1,180,008		1,466,664		1,180,008		1,466,664
Total amount of losses for the period presented included in earnings attributable to the change in unrealized gains or losses relating to assets and liabilities still held					(345)		(14,247)
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 | Available-for-Sale Securities, Home Equity Lines Of Credit [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at January 1					14,758		15,073
Accretion of credit losses in interest income					600		692
Net OTTI losses, credit portion					(97)		(1,084)
Net unrealized gains on AFS in OCI					0		0
Reclassification of non-credit portion included in net income					97		1,084
Net change in fair value on OTTI AFS in OCI					233		1,119
Unrealized gains on OTTI AFS in OCI					1,983		171
Purchases, issuances, sales, and settlements:
Settlements					(2,832)		(2,480)
Transfer of OTTI securities from HTM to AFS							0
Balance at June 30	14,742		14,575		14,742		14,575
Total amount of losses for the period presented included in earnings attributable to the change in unrealized gains or losses relating to assets and liabilities still held					$ (97)		$ (392)
Private Label Residential MBS [Member]
Purchases, issuances, sales, and settlements:
Number of securities transferred from HTM to AFS					0		1

[1] For the three months ended September 30, 2013 and 2012, OTTI "previously recognized" represents securities that were impaired prior to July 1, 2013 and 2012. For the nine months ended September 30, 2013 and 2012, OTTI "previously recognized" represents securities that were impaired prior to January 1, 2013 and 2012

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Allowance for Credit Losses

9 Months Ended

Sep. 30, 2013

Allowance for Credit Losses [Abstract]

Allowance for Credit Losses

Allowance for Credit Losses

The Bank has established an allowance methodology for each of the Bank’s portfolio segments: credit products, government-guaranteed or insured mortgage loans held for portfolio, conventional MPF loans held for portfolio, and BOB loans.

Credit Products. The Bank manages its TCE (which includes advances, letters of credit, advance commitments, and other credit product exposure) through an integrated approach. This generally provides for a credit limit to be established for each borrower, includes an ongoing review of each borrower’s financial condition and is coupled with collateral/lending policies to limit risk of loss while balancing the borrowers’ needs for a reliable source of funding. In addition, the Bank lends to its members in accordance with theAct and Finance Agency regulations. Specifically, the Act requires the Bank to obtain collateral to fully secure credit products. The estimated value of the collateral required to secure each member’s credit products is calculated by applying collateral weightings, or haircuts, to the value of the collateral. The Bank accepts cash, certain investment securities, residential mortgage loans, deposits, and other real estate related assets as collateral. In addition, CFIs are eligible to utilize expanded statutory collateral provisions for small business, agriculture, and community development loans. The Bank’s capital stock owned by the borrowing member is pledged as secondary collateral. Collateral arrangements may vary depending upon borrower credit quality, financial condition and performance, borrowing capacity, and overall credit exposure to the borrower. The Bank can require additional or substitute collateral to protect its security interest. Management of the Bank believes that these policies effectively manage the Bank’s respective credit risk from credit products.

Based upon the financial condition of the member, the Bank either allows a member to retain physical possession of the collateral assigned to the Bank or requires the member to specifically deliver physical possession or control of the collateral to the Bank or its custodians. However, notwithstanding financial condition, the Bank always takes possession or control of securities used as collateral if they are used for maximum borrowing capacity (MBC) or to secure advances. The Bank perfects its security interest in all pledged collateral. The Act affords any security interest granted to the Bank by a member priority over the claims or rights of any other party except for claims or rights of a third party that would be entitled to priority under otherwise applicable law and are held by a bona fide purchaser for value or by a secured party holding a prior perfected security interest.

Using a risk-based approach, the Bank considers the payment status, collateral types and concentration levels, and borrower’s financial condition to be indicators of credit quality on its credit products. At September 30, 2013 and December 31, 2012, the Bank had rights to collateral on a member-by-member basis with an estimated value in excess of its outstanding extensions of credit.

The Bank continues to evaluate and make changes to its collateral guidelines, as necessary, based on current market conditions. At September 30, 2013 and December 31, 2012, the Bank did not have any credit products that were past due, on nonaccrual status, or considered impaired. In addition, there were no credit products considered to be troubled debt restructurings (TDRs).

Based upon the collateral held as security, its credit extension policies, collateral policies, management’s credit analysis and the repayment history on credit products, the Bank has not incurred any credit losses on credit products since inception. Accordingly, the Bank has not recorded any allowance for credit losses for these products. Additionally, at September 30, 2013 and December 31, 2012, the Bank has not recorded any allowance for credit losses for off-balance sheet credit products.

MortgageLoans- Government-Guaranteed or Insured. The Bank invests in government-guaranteed or insured fixed-rate mortgage loans secured by one-to-four family residential properties. Government-guaranteed mortgage loans are those insured or guaranteed by the Federal Housing Administration (FHA), Department of Veteran Affairs (VA), the Rural Housing Service (RHS) of the Department of Agriculture and/or by Housing and Urban Development (HUD). Any losses from such loans are expected to be recovered from those entities. If not, losses from such loans must be contractually absorbed by the servicers. Therefore, there is no allowance for credit losses on government-guaranteed or insured mortgage loans.

Mortgage Loans - Conventional MPF. The allowances for conventional loans are determined by analyses that include consideration of various data observations such as past performance, current performance, loan portfolio characteristics, collateral-related characteristics, industry data, and prevailing economic conditions. The measurement of the allowance for credit losses includes: (1) reviewing all residential mortgage loans at the individual master commitment level; (2) reviewing specifically identified collateral-dependent loans for impairment; and/or (3) reviewing homogeneous pools of residential mortgage loans.

The Bank’s allowance for credit losses takes into consideration the credit enhancement (CE) associated with conventional mortgage loans under the MPF Program. Specifically, the determination of the allowance generally considers expected Primary Mortgage Insurance (PMI), Supplemental Mortgage Insurance (SMI), and other CE amounts. Any incurred losses that are expected to be recovered from the CE reduce the Bank’s allowance for credit losses.

For conventional MPF loans, credit losses that are not fully covered by PMI are allocated to the Bank up to an agreed upon amount, referred to as the first loss account (FLA). The FLA functions as a tracking mechanism for determining the point after which the PFI is required to cover losses. The Bank pays the PFI a fee, a portion of which may be based on the credit performance of the mortgage loans, in exchange for absorbing the second layer of losses up to an agreed-upon CE amount. The CE amount may be a direct obligation of the PFI and/or an SMI policy paid for by the PFI, and may include performance-based fees which can be withheld to cover losses allocated to the Bank (referred to as recaptured CE fees). Estimated losses exceeding the CE and SMI, if any, are incurred by the Bank. The PFI is required to pledge collateral to secure any portion of its CE amount that is a direct obligation. A receivable which is assessed for collectability is generally established for losses expected to be recovered by withholding CE fees. At September 30, 2013 and December 31, 2012, the MPF exposure under the FLA was $26.0 million and $29.2 million, respectively. This exposure includes both accrual and nonaccrual loans. The Bank records CE fees paid to PFIs as a reduction to mortgage loan interest income. The Bank incurred CE fees of $0.9 million and $1.0 million during the third quarter 2013 and 2012, respectively and $2.7 million and $3.0 million during the nine months ended September 30, 2013 and 2012, respectively.

Collectively Evaluated Mortgage Loans. The Bank collectively evaluates the homogeneous mortgage loan portfolio for impairment. The allowance for credit loss methodology for mortgage loans considers loan pool specific attribute data, applies loss severities and incorporates the CEs of the MPF Program and PMI. The probability of default and loss given default are based on the actual 12-month historical performance of the Bank’s mortgage loans. Actual probability of default was determined by applying migration analysis to categories of mortgage loans (current, 30 days past due, 60 days past due, and 90 days past due). Actual loss given default was determined based on realized losses incurred on the sale of mortgage loan collateral over the previous 12 months. Given the credit deterioration experienced by PMI companies, estimated future claim payments from these companies have been reduced and factored into estimated loan losses in determining the allowance for credit losses. The resulting estimated losses after PMI are then reduced by the CEs the Bank expects to be eligible to receive. The CEs are contractually set and calculated by Master Commitment. Losses in excess of the CEs are incurred by the Bank.

Individually Evaluated Mortgage Loans. The Bank evaluates certain mortgage loans for impairment individually. These loans are considered TDRs as discussed in the TDR section of this Note 8.

Rollforward of Allowance for Credit Losses.Mortgage Loans - Conventional MPF.

	Three months ended September 30,						Nine months ended September 30,
(in thousands)	2013			2012			2013			2012
Balance, beginning of period	$	12,208		$	14,066		$	14,163		$	14,344
Charge-offs	(188		)	(27		)	(810		)	(382		)
Provision (benefit) for credit losses	(748		)	19			(2,081		)	96
Balance, September 30	$	11,272		$	14,058		$	11,272		$	14,058

Allowance for Credit Losses and Recorded Investment by Impairment Methodology. Mortgage Loans - Conventional MPF.

	September 30, 2013		December 31, 2012
Ending balance, individually evaluated for impairment	$	785	$	642
Ending balance, collectively evaluated for impairment	10,487		13,521
Total allowance for credit losses	$	11,272	$	14,163
Recorded investment balance, end of period:
Individually evaluated for impairment, with or without a related allowance	$	15,464	$	12,956
Collectively evaluated for impairment	2,965,468		3,190,436
Total recorded investment	$	2,980,932	$	3,203,392

Rollforward of Allowance for Credit Losses.BOB Loans.

	Three months ended September 30,						Nine months ended September 30,
(in thousands)	2013			2012			2013			2012
Balance, beginning of period	$	2,362		$	2,773		$	2,481		$	3,223
BOB Charge-offs	—			(94		)	(134		)	(673		)
Provision (benefit) for credit losses	(21		)	(175		)	(6		)	(46		)
Balance, September 30	$	2,341		$	2,504		$	2,341		$	2,504

Allowance for Credit Losses and Recorded Investment by Impairment Methodology. BOB Loans.

	September 30, 2013		December 31, 2012
Ending balance, individually evaluated for impairment	$	85	$	100
Ending balance, collectively evaluated for impairment	2,256		2,381
Total allowance for credit losses	$	2,341	$	2,481
Recorded investment balance, end of period:
Individually evaluated for impairment, with or without a related allowance	$	192	$	280
Collectively evaluated for impairment	13,446		15,166
Total recorded investment	$	13,638	$	15,446

Credit Quality Indicators. Key credit quality indicators for mortgage and BOB loans include the migration of past due loans, nonaccrual loans, loans in process of foreclosure, and impaired loans.

(in thousands)	September 30, 2013
Recorded investment: (1)	Conventional MPF Loans			Government-Guaranteed or Insured Loans			BOB Loans			Total
Past due 30-59 days	$	44,055		$	17,774		$	10		$	61,839
Past due 60-89 days	10,625			6,239			—			16,864
Past due 90 days or more	58,569			8,184			346			67,099
Total past due loans	$	113,249		$	32,197		$	356		$	145,802
Total current loans	2,867,683			292,771			13,282			3,173,736
Total loans	$	2,980,932		$	324,968		$	13,638		$	3,319,538
Other delinquency statistics:
In process of foreclosures, included above (2)	$	47,581		$	1,237		$	—		$	48,818
Serious delinquency rate (3)	2.0		%	2.5		%	2.5		%	2.0		%
Past due 90 days or more still accruing interest	$	—		$	8,184		$	—		$	8,184
Loans on nonaccrual status (4)	$	61,545		$	—		$	548		$	62,093

(in thousands)	December 31, 2012
Recorded investment: (1)	Conventional MPF Loans			Government-Guaranteed or Insured Loans			BOB Loans			Total
Past due 30-59 days	$	50,214		$	20,513		$	20		$	70,747
Past due 60-89 days	12,219			5,842			147			18,208
Past due 90 days or more	69,996			7,469			153			77,618
Total past due loans	$	132,429		$	33,824		$	320		$	166,573
Total current loans	3,070,963			328,351			15,126			3,414,440
Total loans	$	3,203,392		$	362,175		$	15,446		$	3,581,013
Other delinquency statistics:
In process of foreclosures, included above (2)	$	54,605		$	1,587		$	—		$	56,192
Serious delinquency rate (3)	2.2		%	2.1		%	1.0		%	2.2		%
Past due 90 days or more still accruing interest	$	—		$	7,469		$	—		$	7,469
Loans on nonaccrual status (4)	$	74,051		$	—		$	599		$	74,650

Notes:

⁽¹⁾ The recorded investment in a loan is the unpaid principal balance of the loan, adjusted for accrued interest, net deferred loan fees or costs, unamortized premiums or unaccreted discounts, adjustments for fair value hedges and direct write-downs. The recorded investment is not net of any valuation allowance.

⁽²⁾ Includes loans where the decision of foreclosure or similar alternative such as pursuit of deed-in-lieu has been reported. Loans in process of foreclosure are included in past due or current loans dependent on their delinquency status.

⁽³⁾ Loans that are 90 days or more past due or in the process of foreclosure expressed as a percentage of the total loan portfolio class.

⁽⁴⁾ Generally represents mortgage loans with contractual principal or interest payments 90 days or more past due and not accruing interest.

Real Estate Owned (REO). The Bank had $8.3 million and $10.8 million of REO reported in Other assets on the Statement of Condition at September 30, 2013 and December 31, 2012, respectively.

TDRs. TDRs are considered to have occurred when a concession is granted to the debtor that otherwise would not have been considered had it not been for economic or legal reasons related to the debtor's financial difficulties. The Bank also considers a TDR to have occurred when a borrower files for Chapter 7 bankruptcy, the bankruptcy court discharged the borrower’s obligation and the borrower did not reaffirm the debt.

Mortgage Loans - Conventional MPF. The Bank offers a loan modification program for its MPF Program. The loans modified under this program are considered TDRs. The loan modification program modifies borrower's monthly payment for a period of up to 36 months to no more than a housing expense ratio of 31% of their monthly income. The outstanding principal

balance is re-amortized to reflect a principal and interest payment for a term not to exceed 40 years and a housing expense ratio not to exceed 31%. This will result in a balloon payment at the original maturity date of the loan as the maturity date and number of remaining monthly payments is unchanged in the modified loan. If the 31% ratio is still not met, the interest rate is reduced for up to 36 months in 0.125% increments below the original note rate, to a floor rate of 3%, resulting in reduced monthly principal and interest payments during the 36 month period, until the target housing expense ratio is met or the interest rate floor is hit.

A TDR is individually evaluated for impairment when determining its related allowance for credit losses. Credit loss is measured by factoring in expected cash shortfalls incurred as of the reporting date as well as the economic loss attributable to delaying or decreasing the original contractual principal and interest, if applicable. All mortgage loans individually evaluated for impairment were considered TDRs at September 30, 2013.

BOB Loans. The Bank offers a BOB loan deferral which the Bank considers a TDR. A deferred BOB loan is not required to pay principal or accrue interest for up to a one-year period. The credit loss is measured by factoring expected shortfalls incurred as of the reporting date.

TDR Modifications. The following table presents the pre-modification and post-modification recorded investment balance, as of the modification date, for loans that became TDRs during the three and nine months ended September 30, 2013 and 2012.

	Three months ended September 30,
	2013				2012
(in thousands)	Pre-Modification		Post-Modification		Pre-Modification		Post-Modification
Conventional MPF loans	$	3,658	$	3,658	$	1,866	$	1,745
BOB loans	123		123		264		264
Total	$	3,781	$	3,781	$	2,130	$	2,009

	Nine months ended September 30,
	2013				2012
(in thousands)	Pre-Modification		Post-Modification		Pre-Modification		Post-Modification
Conventional MPF loans	$	9,827	$	9,775	$	2,827	$	2,671
BOB loans	332		331		264		264
Total	$	10,159	$	10,106	$	3,091	$	2,935

Certain TDRs may experience a payment default, which the Bank considers to be a loan 60 days or more delinquent. Conventional MPF loans totaling $4.6 million had experienced a payment default during the nine months ended September 30, 2013, and it was immaterial during nine months ended September 30, 2012. The Bank had $2.4 million and $2.9 million of TDRs on nonaccrual status at September 30, 2013 and December 31, 2012, respectively.

Individually Evaluated Impaired Loans.

	September 30, 2013
(in thousands)	Recorded Investment		Unpaid Principal Balance		Related Allowance for Credit Losses
With no related allowance:
Conventional MPF loans	$	502	$	500	$	—
With a related allowance:
Conventional MPF loans	$	14,962	$	14,875	$	785
BOB loans	192		192		85
Total:
Conventional MPF loans	$	15,464	$	15,375	$	785
BOB loans	192		192		85

	December 31, 2012
(in thousands)	Recorded Investment		Unpaid Principal Balance		Related Allowance for Credit Losses
With no related allowance:
Conventional MPF loans	$	507	$	504	$	—
With a related allowance:
Conventional MPF loans	$	12,449	$	12,388	$	642
BOB loans	280		280		100
Total:
Conventional MPF loans	$	12,956	$	12,892	$	642
BOB loans	280		280		100

The table below presents the average recorded investment of individually impaired loans and related interest income recognized. The Bank included the individually impaired loans as of the date on which they became a TDR.

	Three months ended September 30, 2013				Three months ended September 30, 2012
(in thousands)	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
Conventional MPF loans	$	15,258	$	190	$	5,841	$	87
BOB loans	151		—		176		—
Total	$	15,409	$	190	$	6,017	$	87

	Nine months ended September 30, 2013				Nine months ended September 30, 2012
(in thousands)	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
Conventional MPF loans	$	14,316	$	533	$	5,094	$	228
BOB loans	237		—		81		—
Total	$	14,553	$	533	$	5,175	$	228

Purchases, Sales and Reclassifications. During the three and nine months ended September 30, 2013 and 2012, there were no significant purchases or sales of financing receivables. Furthermore, none of the financing receivables were reclassified to held-for-sale.

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Other-Than-Temporary Impairment (OTTI Securities) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013
Private label MBS [Member]
Other than Temporary Impairment, Disclosure [Line Items]
AFS Securities-Unpaid Principal Balance	$ 1,399,293
AFS Securities-Amortized Cost	1,127,773	[1]
AFS Securities-Fair Value	1,194,750
Available-for-sale Securities | Private label MBS [Member]
Other than Temporary Impairment, Disclosure [Line Items]
OTTI Securities-Unpaid Principal Balance	1,395,396
Securities Without OTTI-Unpaid Principal Balance	3,897
OTTI Securities-Amortized Cost	1,123,876	[1]
Securities Without OTTI-Amortized Cost	3,897	[1]
OTTI Securities-Fair Value	1,191,059
Securities Without OTTI-Fair Value	3,691
Available-for-sale Securities | Private label residential MBS [Member] | Prime [Member]
Other than Temporary Impairment, Disclosure [Line Items]
OTTI Securities-Unpaid Principal Balance	649,771
OTTI Securities-Amortized Cost	539,057	[1]
OTTI Securities-Fair Value	583,237
Available-for-sale Securities | Private label residential MBS [Member] | Alt-A [Member]
Other than Temporary Impairment, Disclosure [Line Items]
OTTI Securities-Unpaid Principal Balance	725,355
OTTI Securities-Amortized Cost	571,088	[1]
OTTI Securities-Fair Value	591,617
Available-for-sale Securities | Private label residential MBS [Member] | Subprime [Member]
Other than Temporary Impairment, Disclosure [Line Items]
OTTI Securities-Unpaid Principal Balance	2,374
OTTI Securities-Amortized Cost	1,398	[1]
OTTI Securities-Fair Value	1,463
Available-for-sale Securities | HELOCs [Member]
Other than Temporary Impairment, Disclosure [Line Items]
OTTI Securities-Unpaid Principal Balance	17,896
OTTI Securities-Amortized Cost	12,333	[1]
OTTI Securities-Fair Value	$ 14,742

[1] (1) Amortized cost includes adjustments made to the cost basis of an investment for accretion of discounts and/or amortization of premiums, collection of cash, and/or previous OTTI recognized in earnings.

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Statement of Condition (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
ASSETS
Cash and due from banks	$ 3,063,054	$ 1,350,594
Interest-bearing deposits	4,351	11,435
Federal funds sold	3,705,000	4,595,000
Securities purchased under agreements to resell	250,000	2,500,000
Investment securities
Trading securities	57,837	353,590
AFS securities, at fair value, includes $54,090 pledged as collateral that may be repledged at September 30, 2013 (Note 3)	6,927,169	5,932,248
HTM securities ; fair value of $4,634,678 and $5,755,755, respectively ( Note 4)	4,587,304	5,664,954
Total investment securities	11,572,310	11,950,792
Advances (Note 6)	39,505,938	40,497,787
Mortgage loans held for portfolio (Note 7), net of allowance for credit losses of $11,272 and $14,163, respectively (Note 8)	3,277,725	3,532,549
Banking on Business (BOB) loans, net of allowance for credit losses of $2,341 and $2,481, respectively (Note 8)	11,180	12,846
Accrued interest receivable	85,088	92,685
Property, software and equipment, net	11,349	13,299
Derivative assets (Note 9)	49,913	27,803
Other assets	26,871	31,482
Total assets	61,562,779	64,616,272
Deposits
Interest-bearing	747,013	960,903
Noninterest-bearing	33,676	38,988
Total Deposits	780,689	999,891
Consolidated Obligations, net (Note 10)
Discount Notes	21,983,019	24,148,453
Bonds	35,225,393	35,135,608
Total Consolidated Obligations, Net	57,208,412	59,284,061
Mandatory redeemable capital stock (Note 11)	40	431,566
Accrued interest payable	150,223	114,003
Affordable Housing Program	33,354	24,457
Derivative liabilities (Note 9)	147,351	310,425
Other Liabilities	60,115	22,924
Total liabilities	58,380,184	61,187,327
Commitments and Contingencies ( Note 14)
Capital (Note 11)
Capital stock - putable ($100 par value) issued and outstanding 24,876 and 28,160 shares	2,487,621	2,815,965
Retained earnings:
Unrestricted	600,875	528,767
Restricted	51,338	30,508
Total retained earnings	652,213	559,275
Accumulated Other Comprehensive Income (AOCI)	42,761	53,705
Total capital	3,182,595	3,428,945
Total liabilities and capital	$ 61,562,779	$ 64,616,272

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Accounting Adjustments, Changes in Accounting Principle and Recently Issued

9 Months Ended

Sep. 30, 2013

Accounting Adjustments [Abstract]

Accounting Adjustments, Changes in Accounting Principle and Recently Issued Accounting Standards and Interpretations

Accounting Adjustments, Changes in Accounting Principle and Recently Issued Accounting Standards and Interpretations

Framework for Adversely Classifying Loans, Other Real Estate Owned, and Other Assets and Listing Assets for Special Mention. In April 2012, the Finance Agency issued Advisory Bulletin 2012-02, Framework for Adversely Classifying Loans, Other Real Estate Owned, and Other Assets and Listing Assets for Special Mention (AB 2012-02). AB 2012-02 establishes a standard and uniform methodology for adverse classification and identification of special mention assets and off-balance sheet credit exposures at the FHLBanks, excluding investment securities. In May 2013, the Finance Agency issued Advisory Bulletin 2013-02 (AB 2013-02) which clarifies that the adverse classification requirements of AB 2012-02 will be effective for the Bank beginning January 1, 2014, and the charge-off requirements will be effective for the Bank beginning January 1, 2015. The Bank is currently assessing the provisions of AB 2012-02 and has not yet determined the effect that it will have on the Bank’s Statement of Income, Statement of Comprehensive Income, or Statement of Condition.

Obligations Resulting from Joint and Several Liability Arrangements. In February 2013, the FASB issued guidance for the recognition, measurement and disclosure of obligations resulting from joint and several liability arrangements for which the total amount of the obligation within the scope of this guidance is fixed at the reporting date. This guidance requires an entity to measure such obligations as the sum of (1) the amount the reporting entity agreed to pay on the basis of its arrangement among its co-obligors and (2) any additional amount the reporting entity expects to pay on behalf of its co-obligors. In addition, this guidance requires an entity to disclose the nature and amount of the obligation as well as other information about those obligations. This guidance is effective for the Bank beginning January 1, 2014. The Bank's joint and several obligation associated with its consolidated obligations is within the scope of this guidance. However, this guidance will have no impact on the Bank’s Statement of Income, Statement of Comprehensive Income, or Statement of Condition.

Federal Funds Rate as a Benchmark Rate. In July 2013, the FASB issued guidance permitting the use of the Federal funds effective swap rate as a benchmark interest rate for hedge accounting. This guidance allowed the Bank to begin using this benchmark rate on a prospective basis in new or re-designated hedging relationships beginning July 17, 2013. The Bank has elected not to use this strategy, but it may impact the Bank's Statement of Income, Statement of Comprehensive Income, or Statement of Condition if it elects to utilize this hedging strategy in future periods.

The following pronouncements have impacted, or will impact, the Bank’s financial disclosures but will have no impact on its Statement of Income, Statement of Comprehensive Income, or Statement of Condition.

Offsetting Assets and Liabilities. In December 2011, the FASB issued new disclosure requirements for assets and liabilities which are offset in the financial statements. The guidance requires presentation of both gross and net information about derivatives and repurchase agreements which are offset. This guidance was effective for the Bank beginning January 1, 2013 and was applied retrospectively. Refer to Note 9 - Derivatives and Hedging Activities. Based on the fair value of the related collateral held, the securities purchased under agreements to resell were fully collateralized for the periods presented.

Disclosures of Amounts Reclassified Out of Accumulated Other Comprehensive Income. During February 2013, the FASB issued guidance to improve the transparency of disclosures about reclassifications out of AOCI. The guidance requires disclosure of significant amounts reclassified out of AOCI and cross-references to other reclassification disclosures required by GAAP. This guidance was effective for the Bank beginning January 1, 2013 and was applied prospectively. Refer to Note 11- Capital for this disclosure.

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Significant Accounting Policies (Policies)

9 Months Ended

Sep. 30, 2013

Marketable Securities, Available-for-sale Securities, Policy

The Bank may transfer investment securities from HTM to AFS when an OTTI credit loss has been recorded on the security. The Bank believes that a credit loss constitutes evidence of a significant decline in the issuer’s creditworthiness. The Bank transfers these securities to increase its flexibility to sell the securities if management determines it is prudent to do so.

Marketable Securities, Held-to-maturity Securities, Policy

Changes in circumstances may cause the Bank to change its intent to hold a certain security to maturity without calling into question its intent to hold other debt securities to maturity in the future. Thus, the transfer or sale of an HTM security due to certain changes in circumstances, such as evidence of significant deterioration in the issuer’s creditworthiness or changes in regulatory requirements, is not considered to be inconsistent with its original classification. Other events that are isolated, nonrecurring, and unusual for the Bank that could not have been reasonably anticipated may cause the Bank to transfer or sell an HTM security without necessarily calling into question its intent to hold other debt securities to maturity

Schedule Of Projected Annualized Home Price Recovery Rates

Recovery Ranges of Housing Price Change
Months	Annualized Rates %
1 - 6	0.0%	-	3.0%
7 - 12	1.0%	-	4.0%
13 - 18	2.0%	-	4.0%
19 - 30	2.0%	-	5.0%
31 - 54	2.0%	-	6.0%
Thereafter	2.3%	-	5.6%

Impairment of Investments, Policy

The Bank’s evaluation includes estimating the projected cash flows that the Bank is likely to collect based on an assessment of all available information, including the structure of the applicable security and certain assumptions, to determine whether the Bank will recover the entire amortized cost basis of the security, such as:

• the remaining payment terms for the security;

• prepayment speeds and default rates;

• loss severity based on underlying loan-level borrower and loan characteristics;

• expected housing price changes; and

• interest-rate assumptions.

To determine the amount of the credit loss, the Bank compares the present value of the cash flows expected to be collected from its private label residential MBS to its amortized cost basis. For the Bank’s private label residential MBS, the Bank uses a forward interest rate curve to project the future estimated cash flows. To calculate the present value of the estimated cash flows for fixed rate bonds the Bank uses the effective interest rate for the security prior to impairment. To calculate the present value of the estimated cash flows for variable-rate and hybrid private label MBS, the Bank uses the contractual interest rate plus a fixed spread that sets the present value of cash flows equal to amortized cost before impairment. For securities previously identified as other-than-temporarily impaired, the Bank updates its estimate of future estimated cash flows on a quarterly basis and uses the previous effective rate or spread until there is a significant increase in cash flows. When the Bank determines there is a significant increase in cash flows, the effective rate is increased.

The Bank performed a cash flow analysis using two third-party models to assess whether the amortized cost basis of its private label residential MBS will be recovered. The first third-party model considers borrower characteristics and the particular attributes of the loans underlying the Bank's securities, in conjunction with assumptions about future changes in home prices and interest rates to project prepayments, defaults and loss severities. A significant input to the first model is the forecast of future housing price changes for the relevant states and core-based statistical areas (CBSAs) which are based upon an assessment of the individual housing markets. CBSAs refer collectively to metropolitan and micropolitan statistical areas as defined by the U.S. Office of Management and Budget; as currently defined, a CBSA must contain at least one urban area with a population of 10,000 or more people. The OTTI Governance Committee developed a short - term housing price forecast using whole percentages ranging from (5.0)% to 8.0% over the 12 month period beginning July 1, 2013. For the vast majority of markets the short-term forecast has changes from (1.0)% to 7.0%. Thereafter, home prices were projected to recover using one of five different recovery paths.

Finance, Loan and Lease Receivables, Held-for-investment, Allowance and Nonperforming Loans, Allowance Policy

MortgageLoans- Government-Guaranteed or Insured. The Bank invests in government-guaranteed or insured fixed-rate mortgage loans secured by one-to-four family residential properties. Government-guaranteed mortgage loans are those insured or guaranteed by the Federal Housing Administration (FHA), Department of Veteran Affairs (VA), the Rural Housing Service (RHS) of the Department of Agriculture and/or by Housing and Urban Development (HUD). Any losses from such loans are expected to be recovered from those entities. If not, losses from such loans must be contractually absorbed by the servicers. Therefore, there is no allowance for credit losses on government-guaranteed or insured mortgage loans.

Mortgage Loans - Conventional MPF. The allowances for conventional loans are determined by analyses that include consideration of various data observations such as past performance, current performance, loan portfolio characteristics, collateral-related characteristics, industry data, and prevailing economic conditions. The measurement of the allowance for credit losses includes: (1) reviewing all residential mortgage loans at the individual master commitment level; (2) reviewing specifically identified collateral-dependent loans for impairment; and/or (3) reviewing homogeneous pools of residential mortgage loans.

The Bank’s allowance for credit losses takes into consideration the credit enhancement (CE) associated with conventional mortgage loans under the MPF Program. Specifically, the determination of the allowance generally considers expected Primary Mortgage Insurance (PMI), Supplemental Mortgage Insurance (SMI), and other CE amounts. Any incurred losses that are expected to be recovered from the CE reduce the Bank’s allowance for credit losses.

For conventional MPF loans, credit losses that are not fully covered by PMI are allocated to the Bank up to an agreed upon amount, referred to as the first loss account (FLA). The FLA functions as a tracking mechanism for determining the point after which the PFI is required to cover losses. The Bank pays the PFI a fee, a portion of which may be based on the credit performance of the mortgage loans, in exchange for absorbing the second layer of losses up to an agreed-upon CE amount. The CE amount may be a direct obligation of the PFI and/or an SMI policy paid for by the PFI, and may include performance-based fees which can be withheld to cover losses allocated to the Bank (referred to as recaptured CE fees). Estimated losses exceeding the CE and SMI, if any, are incurred by the Bank. The PFI is required to pledge collateral to secure any portion of its CE amount that is a direct obligation. A receivable which is assessed for collectability is generally established for losses expected to be recovered by withholding CE fees.

The Bank has established an allowance methodology for each of the Bank’s portfolio segments: credit products, government-guaranteed or insured mortgage loans held for portfolio, conventional MPF loans held for portfolio, and BOB loans.

Credit Products. The Bank manages its TCE (which includes advances, letters of credit, advance commitments, and other credit product exposure) through an integrated approach. This generally provides for a credit limit to be established for each borrower, includes an ongoing review of each borrower’s financial condition and is coupled with collateral/lending policies to limit risk of loss while balancing the borrowers’ needs for a reliable source of funding. In addition, the Bank lends to its members in accordance with theAct and Finance Agency regulations. Specifically, the Act requires the Bank to obtain collateral to fully secure credit products. The estimated value of the collateral required to secure each member’s credit products is calculated by applying collateral weightings, or haircuts, to the value of the collateral. The Bank accepts cash, certain investment securities, residential mortgage loans, deposits, and other real estate related assets as collateral. In addition, CFIs are eligible to utilize expanded statutory collateral provisions for small business, agriculture, and community development loans. The Bank’s capital stock owned by the borrowing member is pledged as secondary collateral. Collateral arrangements may vary depending upon borrower credit quality, financial condition and performance, borrowing capacity, and overall credit exposure to the borrower. The Bank can require additional or substitute collateral to protect its security interest. Management of the Bank believes that these policies effectively manage the Bank’s respective credit risk from credit products.

Based upon the financial condition of the member, the Bank either allows a member to retain physical possession of the collateral assigned to the Bank or requires the member to specifically deliver physical possession or control of the collateral to the Bank or its custodians. However, notwithstanding financial condition, the Bank always takes possession or control of securities used as collateral if they are used for maximum borrowing capacity (MBC) or to secure advances. The Bank perfects its security interest in all pledged collateral. The Act affords any security interest granted to the Bank by a member priority over the claims or rights of any other party except for claims or rights of a third party that would be entitled to priority under otherwise applicable law and are held by a bona fide purchaser for value or by a secured party holding a prior perfected security interest.

Using a risk-based approach, the Bank considers the payment status, collateral types and concentration levels, and borrower’s financial condition to be indicators of credit quality on its credit products. At September 30, 2013 and December 31, 2012, the Bank had rights to collateral on a member-by-member basis with an estimated value in excess of its outstanding extensions of credit.

The Bank continues to evaluate and make changes to its collateral guidelines, as necessary, based on current market conditions. At September 30, 2013 and December 31, 2012, the Bank did not have any credit products that were past due, on nonaccrual status, or considered impaired. In addition, there were no credit products considered to be troubled debt restructurings (TDRs).

Based upon the collateral held as security, its credit extension policies, collateral policies, management’s credit analysis and the repayment history on credit products, the Bank has not incurred any credit losses on credit products since inception. Accordingly, the Bank has not recorded any allowance for credit losses for these products. Additionally, at September 30, 2013 and December 31, 2012, the Bank has not recorded any allowance for credit losses for off-balance sheet credit products.

Loans and Leases Receivable, Mortgage and Mortgage-Backed Securities, Valuation, Policy

Collectively Evaluated Mortgage Loans. The Bank collectively evaluates the homogeneous mortgage loan portfolio for impairment. The allowance for credit loss methodology for mortgage loans considers loan pool specific attribute data, applies loss severities and incorporates the CEs of the MPF Program and PMI. The probability of default and loss given default are based on the actual 12-month historical performance of the Bank’s mortgage loans. Actual probability of default was determined by applying migration analysis to categories of mortgage loans (current, 30 days past due, 60 days past due, and 90 days past due). Actual loss given default was determined based on realized losses incurred on the sale of mortgage loan collateral over the previous 12 months. Given the credit deterioration experienced by PMI companies, estimated future claim payments from these companies have been reduced and factored into estimated loan losses in determining the allowance for credit losses. The resulting estimated losses after PMI are then reduced by the CEs the Bank expects to be eligible to receive. The CEs are contractually set and calculated by Master Commitment. Losses in excess of the CEs are incurred by the Bank.

Individually Evaluated Mortgage Loans. The Bank evaluates certain mortgage loans for impairment individually. These loans are considered TDRs as discussed in the TDR section of this Note 8.

Derivatives, Policy

The Bank is subject to credit risk due to the risk of nonperformance by counterparties to its derivative transactions. The Bank manages counterparty credit risk through credit analysis, collateral requirements, and adherence to the requirements set forth in its policies, U.S. Commodity Futures Trading Commission regulations, and Finance Agency regulations. For bilateral derivatives, the degree of credit risk depends on the extent to which netting arrangements are included in such contracts to mitigate the risk. The Bank requires collateral agreements with collateral delivery thresholds on all bilateral derivatives.

For cleared derivatives, the Clearing Houses are the Bank's counterparties. The requirement that the Bank post initial and variation margin through the clearing agent, on behalf of the Clearing Houses, exposes the Bank to institutional credit risk in the event that the clearing agent or the Clearing Houses fail to meet its obligations. Initial margin is the amount calculated based on anticipated exposure to future changes in the value of a swap and protects the Clearing Houses from market risk in the event of default by one of its clearing agents. Variation margin is the amount calculated to cover the current exposure arising from changes in the market value of the position since the trade was executed or the previous time the position was marked to market. The use of cleared derivatives is intended to mitigate credit risk exposure because a central counterparty is substituted for individual counterparties and collateral is posted daily, through a clearing agent, for changes in the value of cleared derivatives. The Bank has analyzed the enforceability of offsetting rights incorporated in its cleared derivative transactions and determined that the exercise of those offsetting rights by a non-defaulting party under these transactions should be upheld under applicable law upon an event of default including a bankruptcy, insolvency or similar proceeding involving the Clearing Houses or the Bank’s clearing agent, or both. Based on this analysis, the Bank presents a net derivative receivable or payable for all of its transactions through a particular clearing agent with a particular Clearing House.

Based on credit analyses and collateral requirements, the Bank does not anticipate credit losses related to its derivative agreements. See Note 13 - Estimated Fair Values for discussion regarding the Bank's fair value methodology for derivative assets and liabilities, including an evaluation of the potential for the fair value of these instruments to be affected by counterparty credit risk.

Generally, the Bank’s ISDA agreements for bilateral derivatives contain provisions that require the Bank to post additional collateral with its counterparties if there is deterioration in its credit rating and the net liability position exceeds the relevant threshold. If the Bank’s credit rating is lowered by a major credit rating agency, the Bank would be required to deliver additional collateral on bilateral derivative instruments in net liability positions.

Fair Value Measurement, Policy

Fair Value Hierarchy. The Bank records trading securities, AFS securities, derivative assets and derivative liabilities at fair value. The fair value hierarchy is used to prioritize the inputs used to measure fair value for those assets and liabilities carried at fair value on the Statement of Condition. The inputs are evaluated and an overall level for the fair value measurement is determined. This overall level is an indication of the market observability of the fair value measurement for the asset or liability.

The fair value hierarchy prioritizes the inputs used to measure fair value into three broad levels:

Level 1 Inputs - Quoted prices (unadjusted) for identical assets or liabilities in an active market that the reporting entity can access on the measurement date.

Level 2 Inputs - Inputs other than quoted prices within Level 1 that are observable inputs for the asset or liability, either directly or indirectly. If the asset or liability has a specified (contractual) term, a Level 2 input must be observable for substantially the full term of the asset or liability. Level 2 inputs include the following: (1) quoted prices for similar assets or liabilities in active markets; (2) quoted prices for identical or similar assets or liabilities in markets that are not active or in which little information is released publicly; (3) inputs other than quoted prices that are observable for the asset or liability (e.g., interest rates and yield curves that are observable at commonly quoted intervals, and implied volatilities); and (4) inputs that are derived principally from or corroborated by observable market data by correlation or other means.

Level 3 Inputs - Unobservable inputs for the asset or liability.

The Bank reviews its fair value hierarchy classifications on a quarterly basis. Changes in the observability of the valuation inputs may result in a reclassification within the fair value hierarchy of certain assets or liabilities. These reclassifications are reported as transfers in/out of the level as of the beginning of the quarter in which the changes occur.

Fair Value of Financial Instruments, Policy

To value MBS holdings, the Bank obtains prices from four designated third-party pricing vendors, when available. The pricing vendors use various proprietary models to price MBS. The inputs to those models are derived from various sources including, but not limited to: benchmark yields, reported trades, dealer estimates, issuer spreads, benchmark securities, bids, offers and other market-related data. Since many MBS do not trade on a daily basis, the pricing vendors use available information as applicable such as benchmark curves, benchmarking of like securities, sector groupings and matrix pricing to determine the prices for individual securities. Each pricing vendor has an established challenge process in place for all MBS valuations, which facilitates resolution of potentially erroneous prices identified by the Bank. The Bank considers these inputs to be Level 2 inputs.

The Bank's valuation technique first requires the establishment of a median price for each security. All prices that are within a specified tolerance threshold of the median price are included in the cluster of prices that are averaged to compute a default price. Prices that are outside the threshold (outliers) are subject to further analysis (including, but not limited to, comparison to prices provided by an additional third-party valuation service, prices for similar securities, and/or non-binding dealer estimates) to determine if an outlier is a better estimate of fair value. If an outlier (or some other price identified in the analysis) is determined to be a better estimate of fair value, then the outlier (or the other price as appropriate) is used as the final price rather than the default price. If, on the other hand, the analysis confirms that an outlier (or outliers) is (are) in fact not representative of fair value and the default price is the best estimate, then the default price is used as the final price. In all cases, the final price is used to determine the fair value of the security. If all prices received for a security are outside the tolerance threshold level of the median price, then there is no default price, and the final price is determined by an evaluation of all outlier prices as described above.

Mutual Funds Offsetting Deferred Compensation and Employee Benefit Plan Obligations. Fair values for publicly traded mutual funds are based on quoted market prices.

Advances. The Bank determines the fair value by calculating the present value of expected future cash flows from the advances. The discount rates used in these calculations are equivalent to the replacement advance rates for advances with similar terms. The inputs used to determine fair value of advances are the LIBOR curve, a volatility assumption for advances with optionality, and a spread adjustment.

Mortgage Loans Held For Portfolio. The fair value is determined based on quoted market prices for new MBS issued by U.S. GSEs. Prices are then adjusted for differences in coupon, seasoning and credit quality between the Bank’s mortgage loans and the referenced MBS. The prices of the referenced MBS are highly dependent upon the underlying prepayment assumptions priced in the secondary market. Changes in the prepayment rates can have a material effect on the fair value estimates. Prepayment assumptions are susceptible to material changes in the near term because they are made at a specific point in time.

Accrued Interest Receivable and Payable. The fair values approximate the carrying values.

Derivative Assets/Liabilities. The Bank bases the fair values of derivatives with similar terms on market prices, when available. However, market prices do not exist for many types of derivative instruments. Consequently, fair values for these instruments are estimated using standard valuation techniques such as discounted cash flow analysis and comparisons to similar instruments. Estimates developed using these methods are highly subjective and require judgment regarding significant matters such as the amount and timing of future cash flows, volatility of interest rates and the selection of discount rates that appropriately reflect market and credit risks. The use of different assumptions could have a material effect on the fair value estimates. Because these estimates are made as of a specific point in time, they are susceptible to material near-term changes.

The Bank is subject to credit risk on bilateral derivatives transactions due to the potential nonperformance by the derivatives counterparties, all of which are highly rated institutions. To mitigate this risk, the Bank has entered into netting arrangements for its derivative transactions. In addition, the Bank has entered into bilateral security agreements with all active derivatives counterparties that provide for delivery of collateral at specified levels tied to those counterparties’ credit ratings to limit the Bank’s net unsecured credit exposure to these counterparties. For cleared derivatives, the Bank's credit risk exposure is mitigated because a central counterparty is substituted for individual counterparties and collateral is posted daily for changes in the value of cleared derivatives. The Bank has evaluated the potential for the fair value of the instruments to be affected by counterparty credit risk and has determined that no adjustments were significant or necessary to the overall fair value measurements.

The fair values of the Bank’s derivative assets and liabilities include accrued interest receivable/payable and cash collateral remitted to/received from counterparties. The estimated fair values of the accrued interest receivable/payable and cash collateral approximate their carrying values due to their short-term nature. The fair values of derivatives are netted by counterparty pursuant to the provisions of each of the Bank’s netting agreements. If these netted amounts are positive, they are classified as an asset; if negative, a liability.

The discounted cash flow analysis used to determine the fair value of derivative instruments utilizes market-observable inputs (inputs that are actively quoted and can be validated to external sources). Inputs by class of derivative are as follows:

Interest-rate related:

• Discount rate assumption. OIS curve.

• Forward interest rate assumption. LIBOR Swap Curve.

• Volatility assumption. Market-based expectations of future interest rate volatility implied from current market prices for similar options.

Mortgage delivery commitments:

• To Be Announced (TBA) securities prices. Market-based prices of TBAs are determined by coupon class and expected term until settlement.

BOB Loans. The fair value approximates the carrying value.

Deposits. The Bank determines the fair value by calculating the present value of expected future cash flows from the deposits. The discount rates used in these calculations are the cost of deposits with similar terms.

Consolidated Obligations. The Bank’s internal valuation model determines fair values of consolidated obligations bonds and discount notes by calculating the present value of expected cash flows using market-based yield curves. The inputs used to determine fair value of consolidated obligations are a CO curve and a LIBOR swap curve, a volatility assumption for consolidated obligations with optionality, and a spread adjustment.

Mandatorily Redeemable Capital Stock. The fair value of capital stock subject to mandatory redemption is generally equal to its par value as indicated by contemporaneous member purchases and sales at par value. Fair value also includes an estimated dividend earned at the time of reclassification from equity to liabilities, until such amount is paid, and any subsequently-declared dividend. FHLBank stock can only be acquired and redeemed at par value. FHLBank stock is not traded and no market mechanism exists for the exchange of stock outside the FHLBank System's cooperative structure.

Commitments. For fixed-rate loan commitments, fair value also considers the difference between current levels of interest rates and the committed rates. The fair value of standby letters of credit is based on the present value of fees currently charged for similar agreements or on the estimated cost to terminate them or otherwise settle the obligations with the counterparties. The fair value of the Bank's commitments to extend credit for advances and letters of credit was immaterial at September 30, 2013 and December 31, 2012.

Subjectivity of Estimates. Estimates of the fair value of financial assets and liabilities using the methods described above are highly subjective and require judgments regarding significant matters such as the amount and timing of future cash flows, prepayment speed assumptions, expected interest rate volatility, possible distributions of future interest rates used to value options, and the selection of discount rates that appropriately reflect market and credit risks. The use of different assumptions could have a material effect on the fair value estimates. These estimates are susceptible to material near term changes because they are made as of a specific point in time.

Fair Value Transfer, Policy

For instruments carried at fair value, the Bank reviews the fair value hierarchy classifications on a quarterly basis. Changes in the observability of the valuation attributes may result in a reclassification of certain financial assets or liabilities. Such reclassifications are reported as transfers in/out at fair value in the quarter in which the changes occur. Transfers are reported as of the beginning of the period.

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Derivatives and Hedging Activities (Derivatives in Statement of Condition) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013		Dec. 31, 2012
Derivatives, Fair Value [Line Items]
Total derivatives before netting and collateral adjustments: Notional Amount of Derivatives	$ 33,848,261		$ 31,214,045
Total derivatives before netting and collateral adjustments: Derivative Assets	266,542		313,622
Total derivatives before netting and collateral adjustments: Derivative Liabilities	840,703		884,703
Derivative assets	49,913		27,803
Derivative liabilities	147,351		310,425
Netting Adjustment By Counterparty [Member]
Derivatives, Fair Value [Line Items]
Total collateral and netting adjustments: Derivative Assets	(208,639)		(253,923)
Total collateral and netting adjustments: Derivative Liabilities	(208,639)		(253,923)
Cash Collateral And Related Accrued Interest [Member]
Derivatives, Fair Value [Line Items]
Total collateral and netting adjustments: Derivative Assets	(7,990)		(31,896)
Total collateral and netting adjustments: Derivative Liabilities	(484,713)		(320,355)
Netting and Collateral
Derivatives, Fair Value [Line Items]
Total collateral and netting adjustments: Derivative Assets	(216,629)	[1]	(285,819)	[1]
Total collateral and netting adjustments: Derivative Liabilities	(693,352)	[1]	(574,278)	[1]
Designated as Hedging Instrument [Member] | Interest Rate Swap
Derivatives, Fair Value [Line Items]
Derivatives in hedge accounting relationships: Derivative Assets	200,926		273,265
Derivatives in hedge accounting relationships: Derivative Liabilities	812,865		878,667
Total derivatives before netting and collateral adjustments: Notional Amount of Derivatives	24,170,518		25,661,620
Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivatives not in hedge accounting relationships: Derivative Assets	65,616		40,357
Derivatives not in hedge accounting relationships: Derivative Liabilities	27,838		6,036
Total derivatives before netting and collateral adjustments: Notional Amount of Derivatives	9,677,743		5,552,425
Not Designated as Hedging Instrument [Member] | Interest Rate Swap
Derivatives, Fair Value [Line Items]
Derivatives not in hedge accounting relationships: Derivative Assets	59,272		37,767
Derivatives not in hedge accounting relationships: Derivative Liabilities	27,834		6,036
Total derivatives before netting and collateral adjustments: Notional Amount of Derivatives	8,441,854		4,318,343
Not Designated as Hedging Instrument [Member] | Interest Rate Cap [Member]
Derivatives, Fair Value [Line Items]
Derivatives not in hedge accounting relationships: Derivative Assets	5,864		1,968
Derivatives not in hedge accounting relationships: Derivative Liabilities	0		0
Total derivatives before netting and collateral adjustments: Notional Amount of Derivatives	1,215,500		1,199,750
Not Designated as Hedging Instrument [Member] | Mortgage Delivery Commitments [Member]
Derivatives, Fair Value [Line Items]
Derivatives not in hedge accounting relationships: Derivative Assets	480		622
Derivatives not in hedge accounting relationships: Derivative Liabilities	4		0
Total derivatives before netting and collateral adjustments: Notional Amount of Derivatives	$ 20,389		$ 34,332

[1] Amounts represent the application of the netting requirements that allow the Bank to settle positive and negative positions and also cash collateral held or placed by the Bank with the same clearing agent and/or counterparties.

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Advances (Narrative) (Details) (USD $)			9 Months Ended
	Sep. 30, 2013 Institutions	Dec. 31, 2012 Institutions	Sep. 30, 2013 Minimum	Sep. 30, 2013 Maximum	Sep. 30, 2013 Maturity up to 30 days [Member]	Sep. 30, 2013 Federal Home Loan Bank, Advances, Convertable option Member [Domain]	Dec. 31, 2012 Federal Home Loan Bank, Advances, Convertable option Member [Domain]	Sep. 30, 2013 Returnable Federal Home Loan Bank Advances [Domain]	Dec. 31, 2012 Returnable Federal Home Loan Bank Advances [Domain]
Federal Home Loan Bank Advances
Federal Home Loan Bank Advances At Par Value	$ 38,905,084,000	$ 39,670,820,000				$ 2,200,000,000	$ 2,600,000,000	$ 7,000,000,000	$ 6,400,000,000
Federal Home Loan Bank Advances, Fixed Rate, Maturity Period			1 day	30 years
Federal Home Loan Bank, Advances, Variable Rate, Maturity Period				10 years	30 days
Interest rate of advances			0.00%	7.40%
AHP subsidized loans, interest rate			0.00%	5.50%
Federal Home Loan Bank, Advances, Five Largest Borrowers Amount Outstanding	$ 29,600,000,000	$ 31,700,000,000
Number Of Top Advances Borrowers	5	5
Federal Home Loan Bank, Advances, Five Largest Borrowers, Percent of Total	76.00%	79.90%
Federal Home Loan Bank, Advances, Borrowers With Outstanding Loan Balances Greater Than Ten Percent	3	4

XML

Derivatives and Hedging Activities

9 Months Ended

Sep. 30, 2013

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivatives and Hedging Activities

Derivatives and Hedging Activities

Nature of Business Activity. The Bank is exposed to interest rate risk primarily from the effect of interest rate changes on its interest-earning assets and funding sources that finance these assets. The goal of the Bank's interest rate risk management strategies is not to eliminate interest rate risk but to manage it within appropriate limits. To mitigate the risk of loss, the Bank has established policies and procedures which include guidelines on the amount of exposure to interest rate changes it is willing to accept. In addition, the Bank monitors the risk to its interest income, net interest margin and average maturity of interest-earning assets and funding sources. For additional information on the Bank's derivative transactions, see Note 11 to the audited financial statements in the Bank's 2012 Form 10-K.

The Bank transacts most of its derivatives with large banks and major broker-dealers. Some of these banks and broker-dealers or their affiliates buy, sell, and distribute consolidated obligations. Over-the-counter derivative transactions may be either executed with a counterparty (referred to as bilateral derivatives) or cleared through a Futures Commission Merchant (i.e., clearing agent) with a Derivatives Clearing Organization (referred to as cleared derivatives). Once a derivative transaction has been accepted for clearing by a Derivative Clearing Organization (Clearing House), the derivative transaction is novated and the executing counterparty is replaced with the Clearing House. The Clearing House notifies the clearing agent of the required initial and variation margin and the clearing agent notifies the Bank of the required initial and variation margin. The Bank is not a derivatives dealer and does not trade derivatives for short-term profit.

Financial Statement Effect and Additional Financial Information. The following tables summarize the notional and fair value of derivative instruments as of September 30, 2013 and December 31, 2012.

	September 30, 2013
(in thousands)	Notional Amount of Derivatives		Derivative Assets			Derivative Liabilities
Derivatives in hedge accounting relationships:
Interest rate swaps	$	24,170,518	$	200,926		$	812,865
Derivatives not in hedge accounting relationships:
Interest rate swaps	$	8,441,854	$	59,272		$	27,834
Interest rate caps	1,215,500		5,864			—
Mortgage delivery commitments	20,389		480			4
Total derivatives not in hedge accounting relationships	$	9,677,743	$	65,616		$	27,838
Total derivatives before netting and collateral adjustments	$	33,848,261	$	266,542		$	840,703
Netting adjustments			(208,639		)	(208,639		)
Cash collateral and related accrued interest			(7,990		)	(484,713		)
Total collateral and netting adjustments (1)			(216,629		)	(693,352		)
Derivative assets and derivative liabilities as reported on the Statement of   Condition			$	49,913		$	147,351

	December 31, 2012
(in thousands)	Notional Amount of Derivatives		Derivative Assets			Derivative Liabilities
Derivatives in hedge accounting relationships:
Interest rate swaps	$	25,661,620	$	273,265		$	878,667
Derivatives not in hedge accounting relationships:
Interest rate swaps	$	4,318,343	$	37,767		$	6,036
Interest rate caps	1,199,750		1,968			—
Mortgage delivery commitments	34,332		622			—
Total derivatives not in hedge accounting relationships	$	5,552,425	$	40,357		$	6,036
Total derivatives before netting and collateral adjustments	$	31,214,045	$	313,622		$	884,703
Netting adjustments			(253,923		)	(253,923		)
Cash collateral and related accrued interest			(31,896		)	(320,355		)
Total collateral and netting adjustments (1)			(285,819		)	(574,278		)
Derivative assets and derivative liabilities as reported on the Statement of   Condition			$	27,803		$	310,425

Note:

⁽¹⁾ Amounts represent the application of the netting requirements that allow the Bank to settle positive and negative positions and also cash collateral held or placed by the Bank with the same clearing agent and/or counterparties.

The following table presents the components of net gains (losses) on derivatives and hedging activities as presented in the Statement of Income.

	Three months ended September 30,						Nine months ended September 30,
(in thousands)	2013			2012			2013			2012
Derivatives and hedged items in fair value hedging   relationships:
Interest rate swaps - fair value hedge ineffectiveness	$	3,116		$	1,329		$	4,004		$	3,291
Derivatives not designated as hedging instruments:
Economic hedges:
Interest rate swaps	$	(3,504	)	$	(575	)	$	(11,327	)	$	(2,000	)
Interest rate caps	(894		)	(231		)	1,535			(2,272		)
Net interest settlements	5,055			268			14,325			(1,122		)
Mortgage delivery commitments	1,619			2,687			5,584			4,732
Other	4			4			11			12
Total net gains (losses) related to derivatives not designated as hedging instruments	$	2,280		$	2,153		$	10,128		$	(650	)
Net gains on derivatives and hedging activities	$	5,396		$	3,482		$	14,132		$	2,641

The following tables present, by type of hedged item, the gains (losses) on derivatives and the related hedged items in fair value hedging relationships and the impact of those derivatives on the Bank’s net interest income for the third quarter and the first nine months of 2013 and 2012.

(in thousands)	Gains/(Losses) on Derivative			Gains/(Losses) on Hedged Item			Net Fair Value Hedge Ineffectiveness		Effect of Derivatives on Net Interest Income (1)
Three months ended September 30, 2013
Hedged item type:
Advances	$	29,142		$	(27,194	)	$	1,948	$	(64,388	)
Consolidated obligations – bonds	34,356			(33,967		)	389		57,917
AFS securities	(3,443		)	4,222			779		(911		)
Total	$	60,055		$	(56,939	)	$	3,116	$	(7,382	)
Nine months ended September 30, 2013
Hedged item type:
Advances	$	222,985		$	(220,743	)	$	2,242	$	(190,432	)
Consolidated obligations – bonds	(258,510		)	259,393			883		162,998
AFS securities	(2,653		)	3,532			879		(926		)
Total	$	(38,178	)	$	42,182		$	4,004	$	(28,360	)

(in thousands)	Gains/(Losses) on Derivative			Gains/(Losses) on Hedged Item			Net Fair Value Hedge Ineffectiveness		Effect of Derivatives on Net Interest Income (1)
Three months ended September 30, 2012
Hedged item type:
Advances	$	84,204		$	(83,765	)	$	439	$	(93,120	)
Consolidated obligations – bonds	(5,359		)	6,249			890		44,154
Total	$	78,845		$	(77,516	)	$	1,329	$	(48,966	)
Nine months ended September 30, 2012
Hedged item type:
Advances	$	166,564		$	(165,389	)	$	1,175	$	(289,346	)
Consolidated obligations – bonds	(20,450		)	22,566			2,116		130,501
Total	$	146,114		$	(142,823	)	$	3,291	$	(158,845	)

Note:

⁽¹⁾ Represents the net interest settlements on derivatives in fair value hedge relationships presented in the interest income/expense line item of the respective hedged item.

The Bank had no active cash flow hedging relationships during the first nine months of 2013 or 2012. As of September 30, 2013, the deferred net gains (losses) on derivative instruments in AOCI expected to be reclassified to earnings during the next twelve months, as well as the losses reclassified from AOCI into income, were not material.

Managing Credit Risk on Derivatives. The Bank is subject to credit risk due to the risk of nonperformance by counterparties to its derivative transactions. The Bank manages counterparty credit risk through credit analysis, collateral requirements, and adherence to the requirements set forth in its policies, U.S. Commodity Futures Trading Commission regulations, and Finance Agency regulations. For bilateral derivatives, the degree of credit risk depends on the extent to which netting arrangements are included in such contracts to mitigate the risk. The Bank requires collateral agreements with collateral delivery thresholds on all bilateral derivatives.

For cleared derivatives, the Clearing Houses are the Bank's counterparties. The requirement that the Bank post initial and variation margin through the clearing agent, on behalf of the Clearing Houses, exposes the Bank to institutional credit risk in the event that the clearing agent or the Clearing Houses fail to meet its obligations. Initial margin is the amount calculated based on anticipated exposure to future changes in the value of a swap and protects the Clearing Houses from market risk in the event of default by one of its clearing agents. Variation margin is the amount calculated to cover the current exposure arising from changes in the market value of the position since the trade was executed or the previous time the position was marked to market. The use of cleared derivatives is intended to mitigate credit risk exposure because a central counterparty is substituted for individual counterparties and collateral is posted daily, through a clearing agent, for changes in the value of cleared derivatives. The Bank has analyzed the enforceability of offsetting rights incorporated in its cleared derivative transactions and determined that the exercise of those offsetting rights by a non-defaulting party under these transactions should be upheld under applicable law upon an event of default including a bankruptcy, insolvency or similar proceeding involving the Clearing Houses or the Bank’s clearing agent, or both. Based on this analysis, the Bank presents a net derivative receivable or payable for all of its transactions through a particular clearing agent with a particular Clearing House.

Based on credit analyses and collateral requirements, the Bank does not anticipate credit losses related to its derivative agreements. See Note 13 - Estimated Fair Values for discussion regarding the Bank's fair value methodology for derivative assets and liabilities, including an evaluation of the potential for the fair value of these instruments to be affected by counterparty credit risk.

Generally, the Bank’s ISDA agreements for bilateral derivatives contain provisions that require the Bank to post additional collateral with its counterparties if there is deterioration in its credit rating and the net liability position exceeds the relevant threshold. If the Bank’s credit rating is lowered by a major credit rating agency, the Bank would be required to deliver additional collateral on bilateral derivative instruments in net liability positions. The aggregate fair value of all bilateral derivative instruments with credit-risk related contingent features that were in a net liability position (before cash collateral and related accrued interest) at September 30, 2013 was $606.2 million for which the Bank has posted cash and securities collateral with a fair value of approximately $513.0 million in the normal course of business. If the Bank’s credit rating had been lowered one notch (i.e., from its current rating to the next lower rating), the Bank would have been required to deliver up to an additional $68.1 million of collateral to its derivative counterparties at September 30, 2013.

Offsetting of Derivative Assets and Derivative Liabilities. The Bank presents derivative instruments, related cash collateral, including initial and variation margin, received or pledged and associated accrued interest on a net basis by clearing agent and/or by counterparty when it has met the netting requirements. The following tables presents separately the fair value of derivative instruments meeting or not meeting netting requirements, including the related collateral received from or pledged to counterparties.

	Derivative Assets
(in thousands)		September 30, 2013			December 31, 2012
Derivative instruments meeting netting requirements:
Gross recognized amount:
Bilateral derivatives		$	263,210		$	313,000
Cleared derivatives		2,852			—
Total gross recognized amount		266,062			313,000
Gross amounts of netting adjustments and cash collateral:
Bilateral derivatives		(232,433		)	(285,819		)
Cleared derivatives		15,804			—
Total gross amounts of netting adjustments and cash collateral		(216,629		)	(285,819		)
Net amounts after netting adjustments:
Bilateral derivatives		30,777			27,181
Cleared derivatives		18,656			—
Total net amounts after netting adjustments		49,433			27,181
Derivative instruments not meeting netting requirements: (1)
Bilateral derivatives		480			622
Total derivative assets
Bilateral derivatives		31,257			27,803
Cleared derivatives		18,656			—
Total derivative assets as reported in the Statement of Condition		49,913			27,803
Non-cash collateral received or pledged not offset:
Can be sold or repledged
Bilateral derivatives		(16,479		)	—
Cannot be sold or repledged
Bilateral derivatives		—			(1,343		)
Net unsecured amount:
Bilateral derivatives		14,778			26,460
Cleared derivatives		18,656			—
Total net unsecured amount		$	33,434		$	26,460

	Derivative Liabilities
(in thousands)		September 30, 2013			December 31, 2012
Derivative instruments meeting netting requirements:
Gross recognized amount:
Bilateral derivatives		$	830,716		$	884,703
Cleared derivatives		9,983			—
Total gross recognized amount		840,699			884,703
Gross amounts of netting adjustments and cash collateral:
Bilateral derivatives		(683,369		)	(574,278		)
Cleared derivatives		(9,983		)	—
Total gross amounts of netting adjustments and cash collateral		(693,352		)	(574,278		)
Net amounts after netting adjustments:
Bilateral derivatives		147,347			310,425
Cleared derivatives		—			—
Net amounts after offsetting adjustments		147,347			310,425
Derivative instruments not meeting netting requirements: (1)
Bilateral derivatives		4			—
Total derivative liabilities
Bilateral derivatives		147,351			310,425
Cleared derivatives		—			—
Total derivative liabilities as reported in the Statement of Condition		147,351			310,425
Non-cash collateral received or pledged not offset:
Can be sold or repledged
Bilateral derivatives		(54,090		)	—
Cannot be sold or repledged
Bilateral derivatives		—			(257,603		)
Net unsecured amount:
Bilateral derivatives		93,261			52,822
Net unsecured amount		$	93,261		$	52,822

Notes:

⁽¹⁾ Represents derivatives that are not subject to an enforceable netting agreement (e.g., mortgage delivery commitments and certain interest-rate futures or forwards).

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Transactions with Related Parties (Transactions with Other FHLBanks) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Related Party Transaction [Line Items]
Interest income on MPF	$ 34,200	$ 41,284	$ 107,463	$ 128,788
Principal Owner [Member]
Related Party Transaction [Line Items]
Interest income on MPF	24,205	32,416	78,517	102,813
FHLBank of Chicago [Member]
Related Party Transaction [Line Items]
Servicing fee expense	231	190	681	545
Interest income on MPF	0	3	6	6
Interest-bearing deposits maintained with FHLBank of Chicago	$ 4,351		$ 4,351		$ 11,435

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Held-to-Maturity (HTM) Securities (Summary of Held-to-Maturity Securities) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2013	Dec. 31, 2012
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 4,587,304	$ 5,664,954
Gross Unrealized Holding Gains	76,423	134,446
Gross Unrealized Holding Losses	(29,049)	(43,645)
Fair Value	4,634,678	5,755,755
Certificates of Deposit [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	350,000	400,000
Gross Unrealized Holding Gains	14	36
Gross Unrealized Holding Losses	0	0
Fair Value	350,014	400,036
GSE securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	16,814	24,830
Gross Unrealized Holding Gains	676	1,283
Gross Unrealized Holding Losses	0	0
Fair Value	17,490	26,113
State or local agency obligations [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	247,766	254,734
Gross Unrealized Holding Gains	4,783	8,961
Gross Unrealized Holding Losses	(11,235)	(14,202)
Fair Value	241,314	249,493
Held To Maturity Securities Other Than Mortgage Backed Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	614,580	679,564
Gross Unrealized Holding Gains	5,473	10,280
Gross Unrealized Holding Losses	(11,235)	(14,202)
Fair Value	608,818	675,642
Other US obligations MBS [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	1,526,856	1,922,589
Gross Unrealized Holding Gains	9,179	12,568
Gross Unrealized Holding Losses	(96)	0
Fair Value	1,535,939	1,935,157
GSE residential MBS [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	1,499,293	1,842,212
Gross Unrealized Holding Gains	56,388	98,878
Gross Unrealized Holding Losses	(222)	(137)
Fair Value	1,555,459	1,940,953
Private Label Residential MBS [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	936,444	1,208,482
Gross Unrealized Holding Gains	5,383	12,720
Gross Unrealized Holding Losses	(16,349)	(27,510)
Fair Value	925,478	1,193,692
HELOCs [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	10,131	12,107
Gross Unrealized Holding Gains	0	0
Gross Unrealized Holding Losses	(1,147)	(1,796)
Fair Value	8,984	10,311
Mortgage-backed Securities, Issued by Private Enterprises [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	946,575	1,220,589
Gross Unrealized Holding Gains	5,383	12,720
Gross Unrealized Holding Losses	(17,496)	(29,306)
Fair Value	934,462	1,204,003
MBS [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	3,972,724	4,985,390
Gross Unrealized Holding Gains	70,950	124,166
Gross Unrealized Holding Losses	(17,814)	(29,443)
Fair Value	$ 4,025,860	$ 5,080,113

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Capital (Capital Concentrations) (Details) (Capital Stock Ownership By Third Party, USD $) In Thousands, unless otherwise specified	Sep. 30, 2013		Dec. 31, 2012
Capital [Line Items]
Concentration Risk Benchmark, Percent	10.00%
Chase Bank USA, N.A.
Capital [Line Items]
Concentration Risk Benchmark, Percent	17.80%		10.20%
Capital Stock	$ 444,000		$ 330,066
PNC Bank N.A.
Capital [Line Items]
Concentration Risk Benchmark, Percent	15.80%	[1]	11.10%	[1]
Capital Stock	392,206	[1]	358,945	[1]
Sovereign Bank N.A.
Capital [Line Items]
Concentration Risk Benchmark, Percent	15.20%	[2]	20.10%	[2]
Capital Stock	$ 378,796	[2]	$ 652,430	[2]

[1] For Bank membership purposes, the principal place of business for PNC Bank, N.A. is Pittsburgh, PA.

[2] Effective October 17, 2013, Sovereign Bank changed its name to Santander Bank, N.A., a subsidiary of Banco Santander, which is located in Spain.

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Advances (Portfolio by Year of Contractual Maturity) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Advances [Abstract]
Total par value	$ 38,905,084	$ 39,670,820
Discount on AHP advances	(163)	(230)
Deferred prepayment fees	(13,305)	(15,230)
Hedging adjustments	614,322	842,427
Total book value	39,505,938	40,497,787
Due in 1 year or less	18,144,956
Weighted Average Interest Rate	0.43%
Due in next fiscal year		20,187,511
Weighted Average Interest Rate		0.44%
Due after 1 year through 2 years	7,005,211
Weighted Average Interest Rate	1.38%
Due in Fiscal Year Two		3,869,388
Weighted Average Interest Rate		1.02%
Due after 2 years through 3 years	3,514,614
Weighted Average Interest Rate	3.54%
Due in Fiscal Year Three		5,297,312
Weighted Average Interest Rate		2.29%
Due after 3 years through 4 years	5,827,182
Weighted Average Interest Rate	1.24%
Due in Fiscal Year Four		3,634,200
Weighted Average Interest Rate		2.74%
Due after 4 years through 5 years	3,817,212
Weighted Average Interest Rate	2.14%
Due in Fscal Year Five		4,404,845
Weighted Average Interest Rate		1.41%
Thereafter	595,909
Weighted Average Interest Rate	2.89%
Due after Fiscal Year Five		$ 2,277,564
Weighted Average Interest Rate		3.71%
Total par value, Weighted Average Interest Rate	1.21%	1.25%

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Background Information (Details)	Sep. 30, 2013 Banks
Nature of Operations [Line Items]
Number of Federal Home Loan Banks	12
Minimum
Nature of Operations [Line Items]
Related Party Transaction, Definition Of Related Party, Capital Stock, Percent	10.00%

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Held-to-Maturity (HTM) Securities (Tables)

9 Months Ended

Sep. 30, 2013

Schedule of Held-to-maturity Securities [Line Items]

Held-to-maturity Securities

The following tables present HTM securities as of September 30, 2013 and December 31, 2012.

	September 30, 2013
(in thousands)	Amortized Cost		Gross Unrealized Holding Gains		Gross Unrealized Holding Losses			Fair Value
Non-MBS:
Certificates of deposit	$	350,000	$	14	$	—		$	350,014
GSE securities	16,814		676		—			17,490
State or local agency obligations	247,766		4,783		(11,235		)	241,314
Total non-MBS	$	614,580	$	5,473	$	(11,235	)	$	608,818
MBS:
Other U.S. obligations residential MBS	$	1,526,856	$	9,179	$	(96	)	$	1,535,939
GSE MBS	1,499,293		56,388		(222		)	1,555,459
Private label MBS:
Private label residential MBS	936,444		5,383		(16,349		)	925,478
HELOCs	10,131		—		(1,147		)	8,984
Total private label MBS	946,575		5,383		(17,496		)	934,462
Total MBS	$	3,972,724	$	70,950	$	(17,814	)	$	4,025,860
Total HTM securities	$	4,587,304	$	76,423	$	(29,049	)	$	4,634,678

	December 31, 2012
(in thousands)	Amortized Cost		Gross Unrealized Holding Gains		Gross Unrealized Holding Losses			Fair Value
Non-MBS:
Certificates of deposit	$	400,000	$	36	$	—		$	400,036
GSE securities	24,830		1,283		—			26,113
State or local agency obligations	254,734		8,961		(14,202		)	249,493
Total non-MBS	$	679,564	$	10,280	$	(14,202	)	$	675,642
MBS:
Other U.S. obligations residential MBS	$	1,922,589	$	12,568	$	—		$	1,935,157
GSE MBS	1,842,212		98,878		(137		)	1,940,953
Private label MBS:
Private label residential MBS	1,208,482		12,720		(27,510		)	1,193,692
HELOCs	12,107		—		(1,796		)	10,311
Total private label MBS	1,220,589		12,720		(29,306		)	1,204,003
Total MBS	$	4,985,390	$	124,166	$	(29,443	)	$	5,080,113
Total HTM securities	$	5,664,954	$	134,446	$	(43,645	)	$	5,755,755

Held-to-maturity Securities

Schedule of Held-to-maturity Securities [Line Items]

Schedule of Unrealized Loss on Investments

The following tables summarize the HTM securities with unrealized losses as of September 30, 2013 and December 31, 2012. The unrealized losses are aggregated by major security type and length of time that individual securities have been in a continuous unrealized loss position.

	September 30, 2013
	Less than 12 Months					Greater than 12 Months					Total
(in thousands)	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
Non-MBS:
State or local agency obligations	$	18,594	$	(45	)	$	135,519	$	(11,190	)	$	154,113	$	(11,235	)
MBS:
Other U.S. obligations residential MBS	$	149,873	$	(96	)	$	—	$	—		$	149,873	$	(96	)
GSE MBS	101,465		(120		)	14,049		(102		)	115,514		(222		)
Private label MBS:
Private label residential MBS	217,946		(2,603		)	237,157		(13,746		)	455,103		(16,349		)
HELOCs	—		—			8,984		(1,147		)	8,984		(1,147		)
Total private label MBS	217,946		(2,603		)	246,141		(14,893		)	464,087		(17,496		)
Total MBS	$	469,284	$	(2,819	)	$	260,190	$	(14,995	)	$	729,474	$	(17,814	)
Total	$	487,878	$	(2,864	)	$	395,709	$	(26,185	)	$	883,587	$	(29,049	)

	December 31, 2012
	Less than 12 Months					Greater than 12 Months					Total
(in thousands)	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
Non-MBS:
State or local agency obligations	$	—	$	—		$	136,248	$	(14,202	)	$	136,248	$	(14,202	)
MBS:
GSE MBS	$	45,809	$	(3	)	$	17,072	$	(134	)	$	62,881	$	(137	)
Private label MBS:
Private label residential MBS	—		—			464,771		(27,510		)	464,771		(27,510		)
HELOCs	—		—			10,311		(1,796		)	10,311		(1,796		)
Total private label MBS	—		—			475,082		(29,306		)	475,082		(29,306		)
Total MBS	$	45,809	$	(3	)	$	492,154	$	(29,440	)	$	537,963	$	(29,443	)
Total	$	45,809	$	(3	)	$	628,402	$	(43,642	)	$	674,211	$	(43,645	)

Investments Classified by Contractual Maturity Date

Redemption Terms. The amortized cost and fair value of HTM securities by contractual maturity as of September 30, 2013 and December 31, 2012 are presented below. Expected maturities of some securities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment fees.

(in thousands)	September 30, 2013				December 31, 2012
Year of Maturity	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Non-MBS:
Due in one year or less	$	350,110	$	350,125	$	401,095	$	401,147
Due after one year through five years	16,814		17,490		24,830		26,113
Due after five years through ten years	28,703		29,296		7,414		7,522
Due after ten years	218,953		211,907		246,225		240,860
HTM securities excluding MBS	614,580		608,818		679,564		675,642
MBS	3,972,724		4,025,860		4,985,390		5,080,113
Total HTM securities	$	4,587,304	$	4,634,678	$	5,664,954	$	5,755,755

Schedule of Interest Rate Payment Terms For Investments

Interest Rate Payment Terms. The following table details interest rate payment terms at September 30, 2013 and December 31, 2012.

(in thousands)	September 30, 2013		December 31, 2012
Amortized cost of HTM securities other than MBS:
Fixed-rate	$	447,270	$	507,564
Variable-rate	167,310		172,000
Total non-MBS	$	614,580	$	679,564
Amortized cost of HTM MBS:
Fixed-rate	$	1,421,017	$	1,772,557
Variable-rate	2,551,707		3,212,833
Total MBS	$	3,972,724	$	4,985,390
Total HTM securities	$	4,587,304	$	5,664,954

Note: Certain MBS have a fixed-rate component for a specified period of time, then have a rate reset on a given date. Examples of this type of instrument would include securities supported by underlying 3/1, 5/1, 7/1 and 10/1 hybrid ARMs. In addition, certain of these securities may have a provision within the structure that permits the fixed rate to be adjusted for items such as prepayment, defaults and loan modification. For purposes of the table above, these securities are reported as fixed-rate until the rate reset date is hit. At that point, the security is then considered to be variable-rate.

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Available-for-Sale (AFS) Securities (Tables)

9 Months Ended

Sep. 30, 2013

Schedule of Available-for-sale Securities [Line Items]

Schedule of Available-for-sale Securities Reconciliation

The following tables present AFS securities as of September 30, 2013 and December 31, 2012.

	September 30, 2013
(in thousands)	Amortized Cost (1)		OTTI Recognized in AOCI (2)			Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Non-MBS:
Mutual funds	$	1,993	$	—		$	5	$	—		$	1,998
GSE and Tennessee Valley Authority obligations	2,256,608		—			1,859		(8,674		)	2,249,793
State or local agency obligations	15,860		—			67		(1,490		)	14,437
Total non-MBS	$	2,274,461	$	—		$	1,931	$	(10,164	)	$	2,266,228
MBS:
Other U.S. obligations residential MBS	$	401,481	$	—		$	—	$	(1,310	)	$	400,171
GSE MBS	3,080,141		—			12,710		(26,831		)	3,066,020
Private label MBS:
Private label residential MBS	1,115,440		(4,434		)	69,208		(206		)	1,180,008
HELOCs	12,333		(202		)	2,611		—			14,742
Total private label MBS	1,127,773		(4,636		)	71,819		(206		)	1,194,750
Total MBS	$	4,609,395	$	(4,636	)	$	84,529	$	(28,347	)	$	4,660,941
Total AFS securities	$	6,883,856	$	(4,636	)	$	86,460	$	(38,511	)	$	6,927,169

	December 31, 2012
(in thousands)	Amortized Cost (1)		OTTI Recognized in AOCI (2)			Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Non-MBS:
Mutual funds	$	1,993	$	—		$	5	$	—		$	1,998
Other U.S. obligations	21,000		—			16		—			21,016
GSE securities	1,169,850		—			296		(802		)	1,169,344
State or local agency obligations	11,400		—			—		(270		)	11,130
Total non-MBS	$	1,204,243	$	—		$	317	$	(1,072	)	$	1,203,488
MBS:
Other U.S. obligations residential MBS	$	310,541	$	—		$	284	$	(120	)	$	310,705
GSE MBS	2,956,471		—			36,379		(29		)	2,992,821
Private label MBS:
Private label residential MBS	1,391,941		(29,142		)	48,045		(368		)	1,410,476
HELOCs	14,662		(532		)	628		—			14,758
Total private label MBS	1,406,603		(29,674		)	48,673		(368		)	1,425,234
Total MBS	$	4,673,615	$	(29,674	)	$	85,336	$	(517	)	$	4,728,760
Total AFS securities	$	5,877,858	$	(29,674	)	$	85,653	$	(1,589	)	$	5,932,248

Notes:

⁽¹⁾ Amortized cost includes adjustments made to the cost basis of an investment for accretion of discounts and/or amortization of premiums, collection of cash, previous OTTI recognized in earnings, and/or fair value hedge accounting adjustments.

⁽²⁾ Represents the non-credit portion of an OTTI recognized during the life of the security.

Available-for-sale Securities

Schedule of Available-for-sale Securities [Line Items]

Reconciliation of Other than Temporary Impairment on Investments Recognized in Accumulated Other Comrehensive Income

The following table presents a reconciliation of the AFS OTTI loss recognized through AOCI to the total net non-credit portion of OTTI gains on AFS securities in AOCI as of September 30, 2013 and December 31, 2012.

(in thousands)	September 30, 2013			December 31, 2012
Non-credit portion of OTTI losses	$	(4,636	)	$	(29,674	)
Net unrealized gains on OTTI securities since their last OTTI credit charge	71,819			48,673
Net non-credit portion of OTTI gains on AFS securities in AOCI	$	67,183		$	18,999

Schedule of Unrealized Loss on Investments

The following tables summarize the AFS securities with unrealized losses as of September 30, 2013 and December 31, 2012. The unrealized losses are aggregated by major security type and length of time that individual securities have been in a continuous unrealized loss position.

	September 30, 2013
	Less than 12 Months					Greater than 12 Months					Total
(in thousands)	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses (1)
Non-MBS:
GSE and Tennessee Valley Authority obligations	$	1,414,919	$	(8,563	)	$	249,872	$	(111	)	$	1,664,791	$	(8,674	)
State or local agency obligations	4,063		(388		)	8,958		(1,102		)	13,021		(1,490		)
Total non-MBS	$	1,418,982	$	(8,951	)	$	258,830	$	(1,213	)	$	1,677,812	$	(10,164	)
MBS:
Other U.S. obligations residential MBS	$	361,209	$	(1,188	)	$	38,962	$	(122	)	$	400,171	$	(1,310	)
GSE MBS	1,204,151		(26,831		)	—		—			1,204,151		(26,831		)
Private label:
Private label residential MBS	68,052		(1,116		)	61,244		(3,524		)	129,296		(4,640		)
HELOCs	—		—			1,651		(202		)	1,651		(202		)
Total private label MBS	68,052		(1,116		)	62,895		(3,726		)	130,947		(4,842		)
Total MBS	$	1,633,412	$	(29,135	)	$	101,857	$	(3,848	)	$	1,735,269	$	(32,983	)
Total	$	3,052,394	$	(38,086	)	$	360,687	$	(5,061	)	$	3,413,081	$	(43,147	)

	December 31, 2012
	Less than 12 Months					Greater than 12 Months					Total
(in thousands)	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses (1)
Non-MBS:
GSE securities	$	719,190	$	(708	)	$	49,907	$	(94	)	$	769,097	$	(802	)
State or local agency obligations	11,130		(270		)	—		—			11,130		(270		)
Total non-MBS	$	730,320	$	(978	)	$	49,907	$	(94	)	$	780,227	$	(1,072	)
MBS:
Other U.S. obligations residential MBS	$	94,848	$	(120	)	$	—	$	—		$	94,848	$	(120	)
GSE MBS	72,619		(29		)	—		—			72,619		(29		)
Private label:
Private label residential MBS	12,728		(60		)	521,311		(29,450		)	534,039		(29,510		)
HELOCs	—		—			3,230		(532		)	3,230		(532		)
Total private label MBS	12,728		(60		)	524,541		(29,982		)	537,269		(30,042		)
Total MBS	$	180,195	$	(209	)	$	524,541	$	(29,982	)	$	704,736	$	(30,191	)
Total	$	910,515	$	(1,187	)	$	574,448	$	(30,076	)	$	1,484,963	$	(31,263	)

Note:

⁽¹⁾ Total unrealized losses equal the sum of “OTTI Recognized in AOCI” and “Gross Unrealized Losses” in the first two tables of this Note 3.

Investments Classified by Contractual Maturity Date

Redemption Terms. The amortized cost and fair value of AFS securities by contractual maturity as of September 30, 2013 and December 31, 2012 are presented below. Expected maturities of some securities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment fees.

(in thousands)	September 30, 2013				December 31, 2012
Year of Maturity	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Due in one year or less	$	201,991	$	202,162	$	201,993	$	201,832
Due after one year through five years	1,453,182		1,449,611		969,850		969,510
Due after five years through ten years	447,630		445,037		21,000		21,016
Due in more than ten years	171,658		169,418		11,400		11,130
AFS securities excluding MBS	2,274,461		2,266,228		1,204,243		1,203,488
MBS	4,609,395		4,660,941		4,673,615		4,728,760
Total AFS securities	$	6,883,856	$	6,927,169	$	5,877,858	$	5,932,248

Schedule of Interest Rate Payment Terms For Investments

The following table details interest payment terms at September 30, 2013 and December 31, 2012.

(in thousands)	September 30, 2013		December 31, 2012
Amortized cost of AFS securities other than MBS:
Fixed-rate	$	1,689,982	$	504,298
Variable-rate	584,479		699,945
Total non-MBS	$	2,274,461	$	1,204,243
Amortized cost of AFS MBS:
Fixed-rate	$	2,233,019	$	2,050,785
Variable-rate	2,376,376		2,622,830
Total MBS	$	4,609,395	$	4,673,615
Total AFS securities	$	6,883,856	$	5,877,858

Note: Certain MBS have a fixed-rate component for a specified period of time, then have a rate reset on a given date. Examples of this type of instrument would include securities supported by underlying 3/1, 5/1, 7/1 and 10/1 hybrid ARMs. In addition, certain of these securities may have a provision within the structure that permits the fixed rate to be adjusted for items such as prepayment, defaults and loan modification. For purposes of the table above, these securities are reported as fixed-rate until the rate reset date is hit. At that point, the security is then considered to be variable-rate.

Schedule of Realized Gain (Loss) [Table Text Block]

The following table provides a summary of proceeds and gross losses on sale of one AFS security for the three and nine months ended September 30, 2013 and 2012.

	Three months ended September 30,					Nine months ended September 30,
(in thousands)	2013			2012		2013			2012
Proceeds from sale of AFS securities	$	19,909		$	—	$	19,909		$	—
Gross losses on AFS securities	(41		)	—		(41		)	—

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Available-for-Sale (AFS) Securities (Realized Gains and Losses on Securities) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Schedule of Available-for-sale Securities [Line Items]
Proceeds from Sale of Available-for-sale Securities	$ 19,909	$ 0	$ 19,909	$ 0
Available-for-sale Securities, Gross Realized Losses	$ (41)	$ 0	$ (41)	$ 0

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Capital (Tables)

9 Months Ended

Sep. 30, 2013

Capital [Abstract]

Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations

The following table demonstrates the Bank’s compliance with these capital requirements at September 30, 2013 and December 31, 2012.

	September 30, 2013						December 31, 2012
(dollars in thousands)	Required			Actual			Required			Actual
Regulatory capital requirements:
Risk-based capital	$	1,060,610		$	3,139,874		$	1,029,858		$	3,806,806
Total capital-to-asset ratio	4.0		%	5.1		%	4.0		%	5.9		%
Total regulatory capital	2,462,511			3,139,874			2,584,651			3,806,806
Leverage ratio	5.0		%	7.7		%	5.0		%	8.8		%
Leverage capital	3,078,139			4,709,810			3,230,814			5,710,209

Schedule of Concentration in Capital Stock Held

(dollars in thousands)		September 30, 2013
Member		Capital Stock		% of Total
Chase Bank USA, N.A., Wilmington, DE		$	444,000	17.8	%
PNC Bank, N.A., Wilmington, DE	(1)	392,206		15.8
Sovereign Bank, N.A., Wilmington, DE	(2)	378,796		15.2

(dollars in thousands)		December 31, 2012
Member		Capital Stock		% of Total
Sovereign Bank, N.A., Wilmington, DE	(2)	$	652,430	20.1	%
PNC Bank, N.A., Wilmington, DE	(1)	358,945		11.1
Chase Bank USA, N.A., Wilmington, DE		330,066		10.2

Note:

⁽¹⁾ For Bank membership purposes, the principal place of business for PNC Bank, N.A. is Pittsburgh, PA.

⁽²⁾ Effective October 17, 2013, Sovereign Bank changed its name to Santander Bank, N.A., a subsidiary of Banco Santander, which is located in Spain.

Schedule of Mandatorily Redeemable Capital Stock

The following table provides the related dollar amounts for activities recorded in mandatorily redeemable capital stock during the nine months ended September 30, 2013 and 2012.

	Nine months ended September 30,
(in thousands)	2013			2012
Balance, beginning of the period	$	431,566		$	45,673
Capital stock subject to mandatory redemption reclassified from capital stock:
Due to withdrawals (includes mergers)	698			183,483
Redemption of mandatorily redeemable capital stock:
Other redemptions (1)	(432,224		)	(41,028		)
Balance, end of the period	$	40		$	188,128

Note:

⁽¹⁾ Reflects the impact on mandatorily redeemable capital stock related to excess capital stock repurchases.

Schedule of Mandatorily Redeemable Capital Stock by Maturity Date

The following table shows the amount of mandatorily redeemable capital stock by contractual year of redemption at September 30, 2013 and December 31, 2012.

(in thousands)	September 30, 2013		December 31, 2012
Due in 1 year or less	$	—	$	50
Due after 1 year through 2 years	—		2,323
Due after 2 years through 3 years	40		17,759
Due after 3 years through 4 years	—		124,502
Due after 4 years through 5 years	—		286,932
Total	$	40	$	431,566

Schedule of Accumulated Other Comprehensive Income (Loss)

The following table summarizes the changes in AOCI for the three months ended September 30, 2013 and 2012.

(in thousands)	Net Unrealized Gains(Losses) on AFS			Non-credit OTTI Gains(Losses) on AFS			Non-credit OTTI Gains(Losses) on HTM		Net Unrealized Gains on Hedging Activities		Pension and Post-Retirement Plans			Total
June 30, 2012	$	18,234		$	(96,703	)	$	—	$	286	$	(403	)	$	(78,586	)
Other comprehensive income (loss) before   reclassification:
Net unrealized gains	17,449			26,851			—		—		—			44,300
Net change in fair value of OTTI securities	—			62,497			—		—		—			62,497
Reclassifications from OCI to net income:
Noncredit OTTI to credit OTTI	—			186			—		—		—			186
Amortization - pension and post-retirement	—			—			—		—		29			29
September 30, 2012	$	35,683		$	(7,169	)	$	—	$	286	$	(374	)	$	28,426
June 30, 2013	$	(16,796	)	$	64,249		$	—	$	287	$	(919	)	$	46,821
Other comprehensive income (loss) before   reclassification:
Net unrealized gains (losses)	(7,115		)	1,706			—		—		—			(5,409		)
Net change in fair value of OTTI securities	—			1,228			—		—		—			1,228
Reclassifications from OCI to net income:
Reclassification adjustment for losses   included in net income	41			—			—		—		—			41
Amortization - pension and post-retirement	—			—			—		—		80			80
September 30, 2013	$	(23,870	)	$	67,183		$	—	$	287	$	(839	)	$	42,761

The following table summarizes the changes in AOCI for the nine months ended September 30, 2013 and 2012.

(in thousands)	Net Unrealized Gains(Losses) on AFS			Non-credit OTTI Gains(Losses) on AFS			Non-credit OTTI Gains(Losses) on HTM			Net Unrealized Gains on Hedging Activities		Pension and Post-Retirement Plans			Total
December 31, 2011	$	5,891		$	(168,114	)	$	—		$	286	$	(428	)	$	(162,365	)
Other comprehensive income (loss) before   reclassification:
Net unrealized gains	29,792			34,361			—			—		—			64,153
Noncredit OTTI losses transferred	—			(662		)	662			—		—			—
Net change in fair value of OTTI securities	—			117,751			—			—		—			117,751
Reclassifications from OCI to net income:
Noncredit OTTI to credit OTTI	—			9,495			(662		)	—		—			8,833
Amortization - pension and post-retirement	—			—			—			—		54			54
September 30, 2012	$	35,683		$	(7,169	)	$	—		$	286	$	(374	)	$	28,426
December 31, 2012	$	35,390		$	18,999		$	—		$	286	$	(970	)	$	53,705
Other comprehensive income (loss) before   reclassification:
Net unrealized gains (losses)	(59,301		)	23,147			—			—		—			(36,154		)
Net change in fair value of OTTI securities	—			24,595			—			—		—			24,595
Reclassifications from OCI to net income:
Reclassification adjustment for losses   included in net income	41			—			—			—		—			41
Noncredit OTTI to credit OTTI	—			442			—			—		—			442
Amortization on hedging activities	—			—			—			1		—			1
Amortization - pension and post-retirement	—			—			—			—		131			131
September 30, 2013	$	(23,870	)	$	67,183		$	—		$	287	$	(839	)	$	42,761

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Trading Securities (Net Gains (Losses) on Trading Securities) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Trading Securities [Abstract]
Net unrealized gains on trading securities held at period-end	$ 166	$ 168	$ 484	$ 408
Net realized (losses) on securities sold/matured during the period	0	20	(35)	(74)
Net gains (losses) on trading securities	$ 166	$ 188	$ 449	$ 334

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Held-to-Maturity (HTM) Securities (Summary of Securities with Unrealized Losses) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2013	Dec. 31, 2012
Fair Value:
Less than 12 Months	$ 487,878	$ 45,809
Greater than 12 Months	395,709	628,402
Fair Value	883,587	674,211
Unrealized Losses:
Less than 12 Months	(2,864)	(3)
Greater than 12 Months	(26,185)	(43,642)
Unrealized Losses	(29,049)	(43,645)
State or local agency obligations [Member]
Fair Value:
Less than 12 Months	18,594	0
Greater than 12 Months	135,519	136,248
Fair Value	154,113	136,248
Unrealized Losses:
Less than 12 Months	(45)	0
Greater than 12 Months	(11,190)	(14,202)
Unrealized Losses	(11,235)	(14,202)
Other US obligations MBS [Member]
Fair Value:
Less than 12 Months	149,873
Greater than 12 Months	0
Fair Value	149,873
Unrealized Losses:
Less than 12 Months	(96)
Greater than 12 Months	0
Unrealized Losses	(96)
GSE residential MBS [Member]
Fair Value:
Less than 12 Months	101,465	45,809
Greater than 12 Months	14,049	17,072
Fair Value	115,514	62,881
Unrealized Losses:
Less than 12 Months	(120)	(3)
Greater than 12 Months	(102)	(134)
Unrealized Losses	(222)	(137)
Private Label Residential MBS [Member]
Fair Value:
Less than 12 Months	217,946	0
Greater than 12 Months	237,157	464,771
Fair Value	455,103	464,771
Unrealized Losses:
Less than 12 Months	(2,603)	0
Greater than 12 Months	(13,746)	(27,510)
Unrealized Losses	(16,349)	(27,510)
HELOCs [Member]
Fair Value:
Less than 12 Months	0	0
Greater than 12 Months	8,984	10,311
Fair Value	8,984	10,311
Unrealized Losses:
Less than 12 Months	0	0
Greater than 12 Months	(1,147)	(1,796)
Unrealized Losses	(1,147)	(1,796)
Mortgage-backed Securities, Issued by Private Enterprises [Member]
Fair Value:
Less than 12 Months	217,946	0
Greater than 12 Months	246,141	475,082
Fair Value	464,087	475,082
Unrealized Losses:
Less than 12 Months	(2,603)	0
Greater than 12 Months	(14,893)	(29,306)
Unrealized Losses	(17,496)	(29,306)
MBS [Member]
Fair Value:
Less than 12 Months	469,284	45,809
Greater than 12 Months	260,190	492,154
Fair Value	729,474	537,963
Unrealized Losses:
Less than 12 Months	(2,819)	(3)
Greater than 12 Months	(14,995)	(29,440)
Unrealized Losses	$ (17,814)	$ (29,443)

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Allowance for Credit Losses (Tables)

9 Months Ended

Sep. 30, 2013

Financing Receivable, Allowance for Credit Losses [Line Items]

Past Due Financing Receivables

Credit Quality Indicators. Key credit quality indicators for mortgage and BOB loans include the migration of past due loans, nonaccrual loans, loans in process of foreclosure, and impaired loans.

(in thousands)	September 30, 2013
Recorded investment: (1)	Conventional MPF Loans			Government-Guaranteed or Insured Loans			BOB Loans			Total
Past due 30-59 days	$	44,055		$	17,774		$	10		$	61,839
Past due 60-89 days	10,625			6,239			—			16,864
Past due 90 days or more	58,569			8,184			346			67,099
Total past due loans	$	113,249		$	32,197		$	356		$	145,802
Total current loans	2,867,683			292,771			13,282			3,173,736
Total loans	$	2,980,932		$	324,968		$	13,638		$	3,319,538
Other delinquency statistics:
In process of foreclosures, included above (2)	$	47,581		$	1,237		$	—		$	48,818
Serious delinquency rate (3)	2.0		%	2.5		%	2.5		%	2.0		%
Past due 90 days or more still accruing interest	$	—		$	8,184		$	—		$	8,184
Loans on nonaccrual status (4)	$	61,545		$	—		$	548		$	62,093

(in thousands)	December 31, 2012
Recorded investment: (1)	Conventional MPF Loans			Government-Guaranteed or Insured Loans			BOB Loans			Total
Past due 30-59 days	$	50,214		$	20,513		$	20		$	70,747
Past due 60-89 days	12,219			5,842			147			18,208
Past due 90 days or more	69,996			7,469			153			77,618
Total past due loans	$	132,429		$	33,824		$	320		$	166,573
Total current loans	3,070,963			328,351			15,126			3,414,440
Total loans	$	3,203,392		$	362,175		$	15,446		$	3,581,013
Other delinquency statistics:
In process of foreclosures, included above (2)	$	54,605		$	1,587		$	—		$	56,192
Serious delinquency rate (3)	2.2		%	2.1		%	1.0		%	2.2		%
Past due 90 days or more still accruing interest	$	—		$	7,469		$	—		$	7,469
Loans on nonaccrual status (4)	$	74,051		$	—		$	599		$	74,650

Notes:

⁽¹⁾ The recorded investment in a loan is the unpaid principal balance of the loan, adjusted for accrued interest, net deferred loan fees or costs, unamortized premiums or unaccreted discounts, adjustments for fair value hedges and direct write-downs. The recorded investment is not net of any valuation allowance.

⁽²⁾ Includes loans where the decision of foreclosure or similar alternative such as pursuit of deed-in-lieu has been reported. Loans in process of foreclosure are included in past due or current loans dependent on their delinquency status.

⁽³⁾ Loans that are 90 days or more past due or in the process of foreclosure expressed as a percentage of the total loan portfolio class.

⁽⁴⁾ Generally represents mortgage loans with contractual principal or interest payments 90 days or more past due and not accruing interest.

Troubled Debt Restructurings on Financing Receivables

TDR Modifications. The following table presents the pre-modification and post-modification recorded investment balance, as of the modification date, for loans that became TDRs during the three and nine months ended September 30, 2013 and 2012.

	Three months ended September 30,
	2013				2012
(in thousands)	Pre-Modification		Post-Modification		Pre-Modification		Post-Modification
Conventional MPF loans	$	3,658	$	3,658	$	1,866	$	1,745
BOB loans	123		123		264		264
Total	$	3,781	$	3,781	$	2,130	$	2,009

	Nine months ended September 30,
	2013				2012
(in thousands)	Pre-Modification		Post-Modification		Pre-Modification		Post-Modification
Conventional MPF loans	$	9,827	$	9,775	$	2,827	$	2,671
BOB loans	332		331		264		264
Total	$	10,159	$	10,106	$	3,091	$	2,935

Individually Evaluated Impared Loan Statistic By Product Level

Individually Evaluated Impaired Loans.

	September 30, 2013
(in thousands)	Recorded Investment		Unpaid Principal Balance		Related Allowance for Credit Losses
With no related allowance:
Conventional MPF loans	$	502	$	500	$	—
With a related allowance:
Conventional MPF loans	$	14,962	$	14,875	$	785
BOB loans	192		192		85
Total:
Conventional MPF loans	$	15,464	$	15,375	$	785
BOB loans	192		192		85

	December 31, 2012
(in thousands)	Recorded Investment		Unpaid Principal Balance		Related Allowance for Credit Losses
With no related allowance:
Conventional MPF loans	$	507	$	504	$	—
With a related allowance:
Conventional MPF loans	$	12,449	$	12,388	$	642
BOB loans	280		280		100
Total:
Conventional MPF loans	$	12,956	$	12,892	$	642
BOB loans	280		280		100

Impaired Financing Receivables

The table below presents the average recorded investment of individually impaired loans and related interest income recognized. The Bank included the individually impaired loans as of the date on which they became a TDR.

	Three months ended September 30, 2013				Three months ended September 30, 2012
(in thousands)	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
Conventional MPF loans	$	15,258	$	190	$	5,841	$	87
BOB loans	151		—		176		—
Total	$	15,409	$	190	$	6,017	$	87

	Nine months ended September 30, 2013				Nine months ended September 30, 2012
(in thousands)	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
Conventional MPF loans	$	14,316	$	533	$	5,094	$	228
BOB loans	237		—		81		—
Total	$	14,553	$	533	$	5,175	$	228

Mortgage loans held for portfolio, net

Financing Receivable, Allowance for Credit Losses [Line Items]

Allowance for Credit Losses on Financing Receivables

Rollforward of Allowance for Credit Losses.Mortgage Loans - Conventional MPF.

	Three months ended September 30,						Nine months ended September 30,
(in thousands)	2013			2012			2013			2012
Balance, beginning of period	$	12,208		$	14,066		$	14,163		$	14,344
Charge-offs	(188		)	(27		)	(810		)	(382		)
Provision (benefit) for credit losses	(748		)	19			(2,081		)	96
Balance, September 30	$	11,272		$	14,058		$	11,272		$	14,058

Allowance for Credit Losses and Recorded Investment By Impairment Methodology

	September 30, 2013		December 31, 2012
Ending balance, individually evaluated for impairment	$	785	$	642
Ending balance, collectively evaluated for impairment	10,487		13,521
Total allowance for credit losses	$	11,272	$	14,163
Recorded investment balance, end of period:
Individually evaluated for impairment, with or without a related allowance	$	15,464	$	12,956
Collectively evaluated for impairment	2,965,468		3,190,436
Total recorded investment	$	2,980,932	$	3,203,392

Banking on Business Loans

Financing Receivable, Allowance for Credit Losses [Line Items]

Allowance for Credit Losses on Financing Receivables

Rollforward of Allowance for Credit Losses.BOB Loans.

	Three months ended September 30,						Nine months ended September 30,
(in thousands)	2013			2012			2013			2012
Balance, beginning of period	$	2,362		$	2,773		$	2,481		$	3,223
BOB Charge-offs	—			(94		)	(134		)	(673		)
Provision (benefit) for credit losses	(21		)	(175		)	(6		)	(46		)
Balance, September 30	$	2,341		$	2,504		$	2,341		$	2,504

Allowance for Credit Losses and Recorded Investment By Impairment Methodology

	September 30, 2013		December 31, 2012
Ending balance, individually evaluated for impairment	$	85	$	100
Ending balance, collectively evaluated for impairment	2,256		2,381
Total allowance for credit losses	$	2,341	$	2,481
Recorded investment balance, end of period:
Individually evaluated for impairment, with or without a related allowance	$	192	$	280
Collectively evaluated for impairment	13,446		15,166
Total recorded investment	$	13,638	$	15,446

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Allowance for Credit Losses (TDR Modifications) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Financing Receivable, Modifications [Line Items]
Average Recorded Investment	$ 15,409	$ 6,017	$ 14,553	$ 5,175
Pre-Modification	3,781	2,130	10,159	3,091
Post-Modification	3,781	2,009	10,106	2,935
Interest Income Recognized	190	87	533	228
Conventional Loan [Member]
Financing Receivable, Modifications [Line Items]
Pre-Modification	3,658	1,866	9,827	2,827
Post-Modification	3,658	1,745	9,775	2,671
Banking on Business Loans
Financing Receivable, Modifications [Line Items]
Pre-Modification	123	264	332	264
Post-Modification	123	264	331	264
Banking on Business Loans
Financing Receivable, Modifications [Line Items]
Average Recorded Investment	151	176	237	81
Interest Income Recognized	0	0	0	0
Conventional Loan [Member]
Financing Receivable, Modifications [Line Items]
Average Recorded Investment	15,258	5,841	14,316	5,094
Interest Income Recognized	$ 190	$ 87	$ 533	$ 228

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Derivatives and Hedging Activities (Offsetting Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Offsetting Liabilities [Line Items]
DerivativeLiability, SubjectToMasterNetting	$ 840,699	$ 884,703
Derivative Liability Amount ,Offset Against Collateral And Netting	(693,352)	(574,278)
Derivative Laibility, Net Fair Value Amount, After Offsetting Adjustment	147,347	310,425
Derivative liabilities	147,351	310,425
Net Unsecured Derivative Liability	93,261	52,822
Over the Counter [Member]
Offsetting Liabilities [Line Items]
DerivativeLiability, SubjectToMasterNetting	830,716	884,703
Derivative Liability Amount ,Offset Against Collateral And Netting	(683,369)	(574,278)
Derivative Laibility, Net Fair Value Amount, After Offsetting Adjustment	147,347	310,425
Derivative Liability, Not Subject to Master Netting Arrangement	4	0
Derivative liabilities	147,351	310,425
Derivative, Collateral, Right to Reclaim Securities that can be sold or repledged	(54,090)	0
Derivative, Collateral, Right to Reclaim Securities that cannot be sold or repledged	0	(257,603)
Net Unsecured Derivative Liability	93,261	52,822
Exchange Cleared [Member]
Offsetting Liabilities [Line Items]
DerivativeLiability, SubjectToMasterNetting	9,983	0
Derivative Liability Amount ,Offset Against Collateral And Netting	(9,983)	0
Derivative Laibility, Net Fair Value Amount, After Offsetting Adjustment	0	0
Derivative liabilities	$ 0	$ 0

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Allowance for Credit Losses (Credit Quality Indicators) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013		Dec. 31, 2012
Financing Receivable, Recorded Investment [Line Items]
Past due 30-59 days	$ 61,839	[1]	$ 70,747	[1]
Past due 60-89 days	16,864	[1]	18,208	[1]
Past due 90 days or more	67,099	[1]	77,618	[1]
Total past due loans	145,802	[1]	166,573	[1]
Total current loans	3,173,736	[1]	3,414,440	[1]
Total recorded investment	3,319,538	[1]	3,581,013	[1]
In process of foreclosures, included above (2)	48,818	[2]	56,192	[2]
Serious delinquency rate (3)	2.00%	[3]	2.20%	[3]
Past due 90 days or more still accruing interest	8,184		7,469
Loans on nonaccrual status (4)	62,093	[4]	74,650	[4]
Conventional Loan [Member]
Financing Receivable, Recorded Investment [Line Items]
Past due 30-59 days	44,055	[1]	50,214	[1]
Past due 60-89 days	10,625	[1]	12,219	[1]
Past due 90 days or more	58,569	[1]	69,996	[1]
Total past due loans	113,249	[1]	132,429	[1]
Total current loans	2,867,683	[1]	3,070,963	[1]
Total recorded investment	2,980,932	[1]	3,203,392	[1]
In process of foreclosures, included above (2)	47,581	[2]	54,605	[2]
Serious delinquency rate (3)	2.00%	[3]	2.20%	[3]
Past due 90 days or more still accruing interest	0		0
Loans on nonaccrual status (4)	61,545	[4]	74,051	[4]
Government-Insured Mortgage Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Past due 30-59 days	17,774	[1]	20,513	[1]
Past due 60-89 days	6,239	[1]	5,842	[1]
Past due 90 days or more	8,184	[1]	7,469	[1]
Total past due loans	32,197	[1]	33,824	[1]
Total current loans	292,771	[1]	328,351	[1]
Total recorded investment	324,968	[1]	362,175	[1]
In process of foreclosures, included above (2)	1,237	[2]	1,587	[2]
Serious delinquency rate (3)	2.50%	[3]	2.10%	[3]
Past due 90 days or more still accruing interest	8,184		7,469
Loans on nonaccrual status (4)	0	[4]	0	[4]
Banking on Business Loans
Financing Receivable, Recorded Investment [Line Items]
Past due 30-59 days	10	[1]	20	[1]
Past due 60-89 days	0	[1]	147	[1]
Past due 90 days or more	346	[1]	153	[1]
Total past due loans	356	[1]	320	[1]
Total current loans	13,282	[1]	15,126	[1]
Total recorded investment	13,638	[1]	15,446	[1]
In process of foreclosures, included above (2)	0	[2]	0	[2]
Serious delinquency rate (3)	2.50%	[3]	1.00%	[3]
Past due 90 days or more still accruing interest	0		0
Loans on nonaccrual status (4)	$ 548	[4]	$ 599	[4]

[1] The recorded investment in a loan is the unpaid principal balance of the loan, adjusted for accrued interest, net deferred loan fees or costs, unamortized premiums or unaccreted discounts, adjustments for fair value hedges and direct write-downs. The recorded investment is not net of any valuation allowance.

[2] Includes loans where the decision of foreclosure or similar alternative such as pursuit of deed-in-lieu has been reported. Loans in process of foreclosure are included in past due or current loans dependent on their delinquency status.

[3] Loans that are 90 days or more past due or in the process of foreclosure expressed as a percentage of the total loan portfolio class.

[4] Generally represents mortgage loans with contractual principal or interest payments 90 days or more past due and not accruing interest.

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Available-for-Sale (AFS) Securities (Summary of Securities with Unrealized Losses) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2013	Dec. 31, 2012
Fair Value:
Less than 12 Months	$ 3,052,394	$ 910,515
Greater than 12 Months	360,687	574,448
Fair Value	3,413,081	1,484,963
Unrealized Losses:
Less than 12 Months	(38,086)	(1,187)
Greater than 12 Months	(5,061)	(30,076)
Unrealized Losses	(43,147)	(31,263)
Total Non-MBS [Member]
Fair Value:
Less than 12 Months	1,418,982	730,320
Greater than 12 Months	258,830	49,907
Fair Value	1,677,812	780,227
Unrealized Losses:
Less than 12 Months	(8,951)	(978)
Greater than 12 Months	(1,213)	(94)
Unrealized Losses	(10,164)	(1,072)
GSE securities [Member]
Fair Value:
Less than 12 Months	1,414,919	719,190
Greater than 12 Months	249,872	49,907
Fair Value	1,664,791	769,097
Unrealized Losses:
Less than 12 Months	(8,563)	(708)
Greater than 12 Months	(111)	(94)
Unrealized Losses	(8,674)	(802)
State or local agency obligations [Member]
Fair Value:
Less than 12 Months	4,063	11,130
Greater than 12 Months	8,958	0
Fair Value	13,021	11,130
Unrealized Losses:
Less than 12 Months	(388)	(270)
Greater than 12 Months	(1,102)	0
Unrealized Losses	(1,490)	(270)
Total MBS [Member]
Fair Value:
Less than 12 Months	1,633,412	180,195
Greater than 12 Months	101,857	524,541
Fair Value	1,735,269	704,736
Unrealized Losses:
Less than 12 Months	(29,135)	(209)
Greater than 12 Months	(3,848)	(29,982)
Unrealized Losses	(32,983)	(30,191)
Other US obligations MBS [Member]
Fair Value:
Less than 12 Months	361,209	94,848
Greater than 12 Months	38,962	0
Fair Value	400,171	94,848
Unrealized Losses:
Less than 12 Months	(1,188)	(120)
Greater than 12 Months	(122)	0
Unrealized Losses	(1,310)	(120)
GSE residential MBS [Member]
Fair Value:
Less than 12 Months	1,204,151	72,619
Greater than 12 Months	0	0
Fair Value	1,204,151	72,619
Unrealized Losses:
Less than 12 Months	(26,831)	(29)
Greater than 12 Months	0	0
Unrealized Losses	(26,831)	(29)
Private label MBS [Member]
Fair Value:
Less than 12 Months	68,052	12,728
Greater than 12 Months	62,895	524,541
Fair Value	130,947	537,269
Unrealized Losses:
Less than 12 Months	(1,116)	(60)
Greater than 12 Months	(3,726)	(29,982)
Unrealized Losses	(4,842)	(30,042)
Private label residential MBS [Member]
Fair Value:
Less than 12 Months	68,052	12,728
Greater than 12 Months	61,244	521,311
Fair Value	129,296	534,039
Unrealized Losses:
Less than 12 Months	(1,116)	(60)
Greater than 12 Months	(3,524)	(29,450)
Unrealized Losses	(4,640)	(29,510)
HELOCs [Member]
Fair Value:
Less than 12 Months	0	0
Greater than 12 Months	1,651	3,230
Fair Value	1,651	3,230
Unrealized Losses:
Less than 12 Months	0	0
Greater than 12 Months	(202)	(532)
Unrealized Losses	$ (202)	$ (532)

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Derivatives and Hedging Activities (Derivatives in Statement of Income and Impact on Interest) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2013		Sep. 30, 2012
Derivative Instruments, Gain (Loss) [Line Items]
Gains/(Losses) on Derivative	$ 60,055		$ 78,845		$ (38,178)		$ 146,114
Gains/(Losses) on Hedged Item	(56,939)		(77,516)		42,182		(142,823)
Gain (Loss) on Fair Value Hedge Ineffectiveness, Net	3,116		1,329		4,004		3,291
Effect of Derivatives on Net Interest Income	(7,382)	[1]	(48,966)	[1]	(28,360)	[1]	(158,845)	[1]
Advances [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gains/(Losses) on Derivative	29,142		84,204		222,985		166,564
Gains/(Losses) on Hedged Item	(27,194)		(83,765)		(220,743)		(165,389)
Gain (Loss) on Fair Value Hedge Ineffectiveness, Net	1,948		439		2,242		1,175
Effect of Derivatives on Net Interest Income	(64,388)	[1]	(93,120)	[1]	(190,432)	[1]	(289,346)	[1]
Consolidated Obligation Bonds
Derivative Instruments, Gain (Loss) [Line Items]
Gains/(Losses) on Derivative	34,356		(5,359)		(258,510)		(20,450)
Gains/(Losses) on Hedged Item	(33,967)		6,249		259,393		22,566
Gain (Loss) on Fair Value Hedge Ineffectiveness, Net	389		890		883		2,116
Effect of Derivatives on Net Interest Income	57,917	[1]	44,154	[1]	162,998	[1]	130,501	[1]
Available-for-sale Securities
Derivative Instruments, Gain (Loss) [Line Items]
Gains/(Losses) on Derivative	(3,443)				(2,653)
Gains/(Losses) on Hedged Item	4,222				3,532
Gain (Loss) on Fair Value Hedge Ineffectiveness, Net	779				879
Effect of Derivatives on Net Interest Income	$ (911)	[1]			$ (926)	[1]

[1] Represents the net interest settlements on derivatives in fair value hedge relationships presented in the interest income/expense line item of the respective hedged item.

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Commitments and Contingencies (Details) (USD $)																					9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2013 Standby Letters of Credit Issuance Commitments	Dec. 31, 2012 Standby Letters of Credit Issuance Commitments	Sep. 30, 2013 Standby Letters of Credit		Dec. 31, 2012 Standby Letters of Credit		Sep. 30, 2013 Commitments to fund additional advances and BOB Loans	Dec. 31, 2012 Commitments to fund additional advances and BOB Loans	Sep. 30, 2013 Commitments to Fund or Purchase Mortgage Loans	Dec. 31, 2012 Commitments to Fund or Purchase Mortgage Loans	Sep. 30, 2013 Unsecured Debt		Dec. 31, 2012 Unsecured Debt		Sep. 30, 2013 Interest Rate Swap Unsecured Debt	Dec. 31, 2012 Interest Rate Swap Unsecured Debt	Sep. 30, 2013 Open RepoPlus Advance Product	Dec. 31, 2012 Open RepoPlus Advance Product	Sep. 30, 2013 Minimum	Sep. 30, 2013 Maximum
Loss Contingencies [Line Items]
Standby Letters Of Credit, Original Terms																					less than one month	5 years
Standby Letters Of Credit, Final Expiration																						2018
Off-balance Sheet Risks, Expiring Within One Year					$ 7,069,649,000	[1]			$ 422,202,000		$ 20,389,000		$ 772,000,000	[2]
Off-balance Sheet Risks, Expiring After One Year					2,563,500,000	[1]			0		0		0	[2]
Off-balance Sheet Risks, Total Liability			225,500,000	400,300,000	9,633,149,000	[1]	7,636,199,000	[1]	422,202,000	501,087,000	20,389,000	34,332,000	772,000,000	[2]	1,420,000,000	[2]	100,000,000	1,400,000,000
Other Liabilities - Standby Letter of Credit Fees	60,115,000	22,924,000			2,400,000		1,600,000
Open Repo Plus Product Outstanding																			$ 5,900,000,000	$ 6,100,000,000
Maximum Commitment Period																						45 days

[1] Includes approved requests to issue future standby letters of credit of $225.5 million and $400.3 million at September 30, 2013 and December 31, 2012, respectively.

[2] Includes $0.1 billion and $1.4 billion of consolidated obligation bonds which were hedged with associated interest rate swaps at September 30, 2013 and December 31, 2012, respectively.

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Trading Securities (Tables)

9 Months Ended

Sep. 30, 2013

Schedule of Trading Securities and Other Trading Assets [Line Items]

Schedule of Trading Securities

The following table presents trading securities as of September 30, 2013 and December 31, 2012.

(in thousands)	September 30, 2013		December 31, 2012
Non-MBS:
GSE securities	$	53,655	$	—
U.S. Treasury bills	—		349,990
Mutual funds	4,182		3,600
Total	$	57,837	$	353,590

Categories of Investments, Marketable Securities, Trading Securities [Member]

Schedule of Trading Securities and Other Trading Assets [Line Items]

Net Gains (Losses) on Trading Securities

The following table presents net gains (losses) on trading securities for the third quarter and the first nine months of 2013 and 2012.

	Three months ended September 30,				Nine months ended September 30,
(in thousands)	2013		2012		2013			2012
Net unrealized gains on trading securities held at period-end	$	166	$	168	$	484		$	408
Net realized (losses) on securities sold/matured during the period	—		20		(35		)	(74		)
Net gains on trading securities	$	166	$	188	$	449		$	334

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Statement of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
OPERATING ACTIVITIES
Net Income	$ 104,149	$ 77,990
Adjustments to reconcile net income to net cash provided by(used in) operating activities:
Depreciation and amortization	(27,633)	9,148
Change in net fair value adjustment on derivative and hedging activities	(23,170)	69,349
Net OTTI credit losses	442	11,024
Net gains on extinguishment of debt	(9,665)	0
Other adjustments	(1,985)	(43)
Net change in:
Trading securities	331,724	(129,730)
Accrued interest receivable	7,688	11,420
Other assets	800	2,069
Accrued interest payable	36,217	20,110
Other liabilities	8,643	5,571
Total adjustments	323,061	(1,082)
Net cash provided by operating activities	427,210	76,908
Net change in:
Interest-bearing deposits (including $7,084 and $5,016 from other FHLBanks for mortgage loan program)	(157,297)	116,397
Securities purchased under agreements to resell	2,250,000	(2,250,000)
Federal funds sold	890,000	115,000
Premises, software and equipment, net	(2,091)	(2,390)
AFS securities:
Proceeds ( include $19,909 from sale of AFS securities in 2013)	1,309,600	1,685,434
Purchases	(2,315,345)	(3,395,721)
HTM securities:
Net change in short-term	50,000	1,300,000
Proceeds from long-term	1,026,885	1,185,788
Advances:
Proceeds	185,636,427	129,286,409
Made	(184,868,258)	(136,616,238)
Mortgage loans held for portfolio:
Proceeds	648,991	699,272
Purchases	(390,652)	(397,646)
Net cash provided by (used in) investing activities	4,078,260	(8,273,695)
Net change in:
Deposits and pass-through reserves	(243,104)	(24,969)
Net payments for derivative contracts with financing element	(24,152)	(89,671)
Net proceeds from issuance of consolidated obligations:
Discount notes	194,551,475	315,609,494
Bonds (none from other FHLBanks)	21,153,447	26,631,719
Payments for maturing and retiring consolidated obligations
Discount notes	(196,715,749)	(305,647,045)
Bonds	(20,743,774)	(28,512,209)
Proceeds from issuance of capital stock	933,991	321,423
Payments for repurchase/redemption of mandatorily redeemable capital stock	(432,224)	(41,028)
Payments for repurchase/redemption of capital stock	(1,261,637)	(436,079)
Cash dividends paid	(11,283)	(2,403)
Net cash (used in) provided by financing activities	(2,793,010)	7,809,232
Net (decrease) in cash and cash equivalents	1,712,460	(387,555)
Cash and cash equivalents at beginning of the period	1,350,594	634,278
Cash and cash equivalents at end of the period	3,063,054	246,723
Supplemental disclosures:
Interest paid	308,684	415,969
AHP payments, net	2,823	2,851
Transfers of mortgage loans to real estate owned	13,315	16,576
Non-cash transfer of OTTI HTM securities to AFS	$ 0	$ 11,268

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Statement of Changes in Capital (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total capital, beginning balance			$ 3,428,945	$ 3,662,838
Issuance of capital stock			933,991	321,423
Repurchase/redemption of capital stock			(1,261,637)	(436,079)
Net shares reclassified to mandatorily redeemable capital stock			(698)	(183,483)
Comprehensive Income	39,424	140,002	93,205	268,781
Cash dividends			(11,211)	(2,403)
Total capital, ending balance	3,182,595	3,631,077	3,182,595	3,631,077
Capital Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total capital, beginning balance			2,815,965	3,389,863
Balance, shares beginning balance			28,160	33,899
Issuance of capital stock			933,991	321,423
Issuance of capital stock, shares			9,340	3,214
Repurchase/redemption of capital stock			(1,261,637)	(436,079)
Repurchase/redemption of capital stock, shares			(12,617)	(4,361)
Net shares reclassified to mandatorily redeemable capital stock			(698)	(183,483)
Net shares reclassified to mandatorily redeemable capital stock, shares			(7)	(1,835)
Total capital, ending balance	2,487,621	3,091,724	2,487,621	3,091,724
Balance, shares ending balance	24,876	30,917	24,876	30,917
Retained Earnings, Unrestricted
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total capital, beginning balance			528,767	430,774
Comprehensive Income			83,319	62,392
Cash dividends			(11,211)	(2,403)
Total capital, ending balance	600,875	490,763	600,875	490,763
Retained Earnings, Restricted
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total capital, beginning balance			30,508	4,566
Comprehensive Income			20,830	15,598
Total capital, ending balance	51,338	20,164	51,338	20,164
Retained Earnings Total
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total capital, beginning balance			559,275	435,340
Comprehensive Income			104,149	77,990
Cash dividends			(11,211)	(2,403)
Total capital, ending balance	652,213	510,927	652,213	510,927
Accumulated Other Comprehensive Income (Loss)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total capital, beginning balance			53,705	(162,365)
Comprehensive Income			(10,944)	190,791
Total capital, ending balance	$ 42,761	$ 28,426	$ 42,761	$ 28,426

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Trading Securities

9 Months Ended

Sep. 30, 2013

Trading Securities [Abstract]

Trading Securities

Trading Securities

The following table presents trading securities as of September 30, 2013 and December 31, 2012.

(in thousands)	September 30, 2013		December 31, 2012
Non-MBS:
GSE securities	$	53,655	$	—
U.S. Treasury bills	—		349,990
Mutual funds	4,182		3,600
Total	$	57,837	$	353,590

The mutual funds are held in a Rabbi trust to generate returns that seek to offset changes in liabilities related to market risk of certain deferred compensation agreements. These deferred compensation liabilities were $4.2 million and $3.7 million at September 30, 2013 and December 31, 2012, respectively, as reported in Other liabilities in the Statement of Condition.

The following table presents net gains (losses) on trading securities for the third quarter and the first nine months of 2013 and 2012.

	Three months ended September 30,				Nine months ended September 30,
(in thousands)	2013		2012		2013			2012
Net unrealized gains on trading securities held at period-end	$	166	$	168	$	484		$	408
Net realized (losses) on securities sold/matured during the period	—		20		(35		)	(74		)
Net gains on trading securities	$	166	$	188	$	449		$	334

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Consolidated Obligations (Interest Rate Payment Terms) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Schedule of Short-term and Long-term Debt [Line Items]
Federal Home Loan Bank, Consolidated Obligations, Bonds	$ 35,225,393	$ 35,135,608
Consolidated Obligation Bonds
Schedule of Short-term and Long-term Debt [Line Items]
Par value of consolidated bonds	35,152,380	34,789,629
Unamortized premiums	92,846	99,090
Unamortized discount	(14,379)	(18,915)
Hedging adjustments	(5,454)	265,804
Federal Home Loan Bank, Consolidated Obligations, Bonds	35,225,393	35,135,608
Fixed Interest Rate [Member] | Consolidated Obligation Bonds
Schedule of Short-term and Long-term Debt [Line Items]
Par value of consolidated bonds	29,204,880	31,307,129
Step Up [Member] | Consolidated Obligation Bonds
Schedule of Short-term and Long-term Debt [Line Items]
Par value of consolidated bonds	2,937,500	1,622,500
Floating Interest Rate [Member] | Consolidated Obligation Bonds
Schedule of Short-term and Long-term Debt [Line Items]
Par value of consolidated bonds	$ 3,010,000	$ 1,860,000

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Background Information

9 Months Ended

Sep. 30, 2013

Nature of Operations [Abstract]

Background Information

Background Information

The Bank, a federally chartered corporation, is one of 12 district Federal Home Loan Banks (FHLBanks). The FHLBanks are government-sponsored enterprises (GSEs) that serve the public by increasing the availability of credit for residential mortgages and community development. The Bank provides a readily available, low-cost source of funds to its member institutions. The Bank is a cooperative, which means that current members own nearly all of the outstanding capital stock of the Bank. All holders of the Bank’s capital stock may, to the extent declared by the Board, receive dividends on their capital stock. Regulated financial depositories and insurance companies engaged in residential housing finance that maintain their principal place of business in Delaware, Pennsylvania or West Virginia may apply for membership. Community Development Financial Institutions (CDFIs) which meet membership regulation standards are also eligible to become Bank members. State and local housing associates that meet certain statutory and regulatory criteria may also borrow from the Bank. While eligible to borrow, state and local housing associates are not members of the Bank and, as such, are not required to hold capital stock.

All members must purchase stock in the Bank. The amount of capital stock a member owns is based on outstanding advances, letters of credit, membership asset value, and the principal balance of certain residential mortgage loans sold to the Bank. The Bank considers those members with capital stock outstanding in excess of 10% of total capital stock outstanding to be related parties. See Note 12 - Transactions with Related Parties for additional information.

The Federal Housing Finance Agency (Finance Agency) is the independent regulator of the FHLBanks. The mission of the Finance Agency is to provide effective supervision, regulation and housing mission oversight of the FHLBanks to promote their safety and soundness, support housing finance and affordable housing, and support a stable and liquid mortgage market. Each FHLBank operates as a separate entity with its own management, employees and board of directors. The Bank does not consolidate any off-balance sheet special-purpose entities or other conduits.

As provided by the Housing and Economic Recovery Act of 2008 as amended (Housing Act), or Finance Agency regulation, the Bank’s debt instruments, referred to as consolidated obligations, are the joint and several obligations of all the FHLBanks and are the primary source of funds for the FHLBanks. These funds are primarily used to provide advances, purchase mortgages from members through the MPF Program and purchase certain investments. See Note 10 - Consolidated Obligations for additional information. The Office of Finance (OF) is a joint office of the FHLBanks established to facilitate the issuance and servicing of the consolidated obligations of the FHLBanks and to prepare the combined quarterly and annual financial reports of all 12 FHLBanks. Deposits, other borrowings, and capital stock issued to members provide other funds. The Bank primarily invests these funds in short-term investments to provide liquidity. The Bank also provides member institutions with correspondent services, such as wire transfer, safekeeping and settlement.

The accounting and financial reporting policies of the Bank conform to U.S. Generally Accepted Accounting Principles (GAAP). Preparation of the unaudited financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, as well as the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of income and expenses. Actual results could differ from those estimates. In addition, from time to time certain amounts in the prior period may be reclassified to conform to the current presentation. These reclassifications did not have a material impact on the Bank's financial statements. In the opinion of management, all normal recurring adjustments have been included for a fair statement of this interim financial information. These unaudited financial statements should be read in conjunction with the audited financial statements for the year ended December 31, 2012 included in the Bank's 2012 Form 10-K.

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Available-for-Sale (AFS) Securities (Summary of Available-for-Sale Securities) (Details) (USD $)	9 Months Ended		12 Months Ended
	Sep. 30, 2013		Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 6,883,856,000		$ 5,877,858,000	[1]
OTTI Recognized in AOCI	(4,636,000)		(29,674,000)	[2]
Gross Unrealized Gains	86,460,000		85,653,000
Gross Unrealized Losses	(38,511,000)		(1,589,000)
Fair Value	6,927,169,000		5,932,248,000
Total Non-MBS [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	2,274,461,000		1,204,243,000	[1]
OTTI Recognized in AOCI	0	[2]	0	[2]
Gross Unrealized Gains	1,931,000		317,000
Gross Unrealized Losses	(10,164,000)		(1,072,000)
Fair Value	2,266,228,000		1,203,488,000
Mutual Funds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	1,993,000	[1]	1,993,000	[1]
OTTI Recognized in AOCI	0	[2]	0	[2]
Gross Unrealized Gains	5,000		5,000
Gross Unrealized Losses	0		0
Fair Value	1,998,000		1,998,000
Other U.S. obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost			21,000,000	[1]
OTTI Recognized in AOCI			0	[2]
Gross Unrealized Gains			16,000
Gross Unrealized Losses			0
Fair Value			21,016,000
GSE securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	2,256,608,000		1,169,850,000	[1]
OTTI Recognized in AOCI	0	[2]	0	[2]
Gross Unrealized Gains	1,859,000		296,000
Gross Unrealized Losses	(8,674,000)		(802,000)
Fair Value	2,249,793,000		1,169,344,000
State or local agency obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	15,860,000	[1]	11,400,000	[1]
OTTI Recognized in AOCI	0	[2]	0	[2]
Gross Unrealized Gains	67,000		0
Gross Unrealized Losses	(1,490,000)		(270,000)
Fair Value	14,437,000		11,130,000
Total MBS [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	4,609,395,000		4,673,615,000	[1]
OTTI Recognized in AOCI	(4,636,000)		(29,674,000)	[2]
Gross Unrealized Gains	84,529,000		85,336,000
Gross Unrealized Losses	(28,347,000)		(517,000)
Fair Value	4,660,941,000		4,728,760,000
Other US obligations MBS [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	401,481,000	[1]	310,541,000	[1]
OTTI Recognized in AOCI	0	[2]	0	[2]
Gross Unrealized Gains	0		284,000
Gross Unrealized Losses	(1,310,000)		(120,000)
Fair Value	400,171,000		310,705,000
GSE residential MBS [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	3,080,141,000		2,956,471,000	[1]
OTTI Recognized in AOCI	0		0	[2]
Gross Unrealized Gains	12,710,000		36,379,000
Gross Unrealized Losses	(26,831,000)		(29,000)
Fair Value	3,066,020,000		2,992,821,000
Private label MBS [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	1,127,773,000		1,406,603,000	[1]
OTTI Recognized in AOCI	(4,636,000)		(29,674,000)	[2]
Gross Unrealized Gains	71,819,000		48,673,000
Gross Unrealized Losses	(206,000)		(368,000)
Fair Value	1,194,750,000		1,425,234,000
Private label residential MBS [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	1,115,440,000	[1]	1,391,941,000	[1]
OTTI Recognized in AOCI	(4,434,000)	[2]	(29,142,000)	[2]
Gross Unrealized Gains	69,208,000		48,045,000
Gross Unrealized Losses	(206,000)		(368,000)
Fair Value	1,180,008,000		1,410,476,000
HELOCs [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	12,333,000	[1]	14,662,000	[1]
OTTI Recognized in AOCI	(202,000)	[2]	(532,000)	[2]
Gross Unrealized Gains	2,611,000		628,000
Gross Unrealized Losses	0		0
Fair Value	$ 14,742,000		$ 14,758,000

[1] Amortized cost includes adjustments made to the cost basis of an investment for accretion of discounts and/or amortization of premiums, collection of cash, previous OTTI recognized in earnings, and/or fair value hedge accounting adjustments.

[2] Represents the non-credit portion of an OTTI recognized during the life of the security.

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Other-Than-Temporary Impairment (Tables)

9 Months Ended

Sep. 30, 2013

Other Than Temporary Impairment [Abstract]

Schedule Of Projected Annualized Home Price Recovery Rates

Recovery Ranges of Housing Price Change
Months	Annualized Rates %
1 - 6	0.0%	-	3.0%
7 - 12	1.0%	-	4.0%
13 - 18	2.0%	-	4.0%
19 - 30	2.0%	-	5.0%
31 - 54	2.0%	-	6.0%
Thereafter	2.3%	-	5.6%

Schedule of Other Than Temporarily Impaired Charges of Securities

The "Total OTTI securities" balances below summarize the Bank’s securities as of September 30, 2013 for which an OTTI has been recognized during the life of the security. The "Private label MBS with no OTTI" balances below represent AFS securities on which an OTTI was not taken. The sum of these two totals reflects the entire AFS private label MBS portfolio.

	OTTI Recognized During the Life of the Security
(in thousands)	Unpaid Principal Balance		Amortized Cost (1)		Fair Value
Private label residential MBS:
Prime	$	649,771	$	539,057	$	583,237
Alt-A	725,355		571,088		591,617
Subprime	2,374		1,398		1,463
HELOCs	17,896		12,333		14,742
Total OTTI securities	1,395,396		1,123,876		1,191,059
Private label MBS with no OTTI	3,897		3,897		3,691
Total AFS private label MBS	$	1,399,293	$	1,127,773	$	1,194,750

Notes:

⁽¹⁾ Amortized cost includes adjustments made to the cost basis of an investment for accretion of discounts and/or amortization of premiums, collection of cash, and/or previous OTTI recognized in earnings.

Other than Temporary Impairment, Credit Losses Recognized in Earnings

The following table presents the rollforward of the amounts related to OTTI credit losses recognized during the life of the security for which a portion of the OTTI charges was recognized in AOCI for the three and nine months ended September 30, 2013 and 2012.

(in thousands)	Three months ended September 30,						Nine months ended September 30,
	2013			2012			2013			2012
Beginning balance	$	322,144		$	328,937		$	326,024		$	322,589
Additions:
Credit losses for which OTTI was not previously recognized	—			—			—			74
Additional OTTI credit losses for which an OTTI charge was previously recognized (1)	—			186			442			10,950
Reductions:
Securities sold and matured during the period	—			265			(59		)	265
Increases in cash flows expected to be collected, recognized over the remaining life of the securities (2)	(2,703		)	(2,209		)	(6,966		)	(6,699		)
Ending balance	$	319,441		$	327,179		$	319,441		$	327,179

Notes:

⁽¹⁾ For the three months ended September 30, 2013 and 2012, OTTI "previously recognized" represents securities that were impaired prior to July 1, 2013 and 2012. For the nine months ended September 30, 2013 and 2012, OTTI "previously recognized" represents securities that were impaired prior to January 1, 2013 and 2012.

⁽²⁾ This activity represents the increase in cash flows recognized in interest income during the period.

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Derivatives and Hedging Activities (Tables)

9 Months Ended

Sep. 30, 2013

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value

The following tables summarize the notional and fair value of derivative instruments as of September 30, 2013 and December 31, 2012.

	September 30, 2013
(in thousands)	Notional Amount of Derivatives		Derivative Assets			Derivative Liabilities
Derivatives in hedge accounting relationships:
Interest rate swaps	$	24,170,518	$	200,926		$	812,865
Derivatives not in hedge accounting relationships:
Interest rate swaps	$	8,441,854	$	59,272		$	27,834
Interest rate caps	1,215,500		5,864			—
Mortgage delivery commitments	20,389		480			4
Total derivatives not in hedge accounting relationships	$	9,677,743	$	65,616		$	27,838
Total derivatives before netting and collateral adjustments	$	33,848,261	$	266,542		$	840,703
Netting adjustments			(208,639		)	(208,639		)
Cash collateral and related accrued interest			(7,990		)	(484,713		)
Total collateral and netting adjustments (1)			(216,629		)	(693,352		)
Derivative assets and derivative liabilities as reported on the Statement of   Condition			$	49,913		$	147,351

	December 31, 2012
(in thousands)	Notional Amount of Derivatives		Derivative Assets			Derivative Liabilities
Derivatives in hedge accounting relationships:
Interest rate swaps	$	25,661,620	$	273,265		$	878,667
Derivatives not in hedge accounting relationships:
Interest rate swaps	$	4,318,343	$	37,767		$	6,036
Interest rate caps	1,199,750		1,968			—
Mortgage delivery commitments	34,332		622			—
Total derivatives not in hedge accounting relationships	$	5,552,425	$	40,357		$	6,036
Total derivatives before netting and collateral adjustments	$	31,214,045	$	313,622		$	884,703
Netting adjustments			(253,923		)	(253,923		)
Cash collateral and related accrued interest			(31,896		)	(320,355		)
Total collateral and netting adjustments (1)			(285,819		)	(574,278		)
Derivative assets and derivative liabilities as reported on the Statement of   Condition			$	27,803		$	310,425

Note:

⁽¹⁾ Amounts represent the application of the netting requirements that allow the Bank to settle positive and negative positions and also cash collateral held or placed by the Bank with the same clearing agent and/or counterparties.

Derivative Instruments, Gain (Loss)

The following table presents the components of net gains (losses) on derivatives and hedging activities as presented in the Statement of Income.

	Three months ended September 30,						Nine months ended September 30,
(in thousands)	2013			2012			2013			2012
Derivatives and hedged items in fair value hedging   relationships:
Interest rate swaps - fair value hedge ineffectiveness	$	3,116		$	1,329		$	4,004		$	3,291
Derivatives not designated as hedging instruments:
Economic hedges:
Interest rate swaps	$	(3,504	)	$	(575	)	$	(11,327	)	$	(2,000	)
Interest rate caps	(894		)	(231		)	1,535			(2,272		)
Net interest settlements	5,055			268			14,325			(1,122		)
Mortgage delivery commitments	1,619			2,687			5,584			4,732
Other	4			4			11			12
Total net gains (losses) related to derivatives not designated as hedging instruments	$	2,280		$	2,153		$	10,128		$	(650	)
Net gains on derivatives and hedging activities	$	5,396		$	3,482		$	14,132		$	2,641

Schedule Of Derivative Instruments By Type Gain Loss In Statement Of Financial Performance

The following tables present, by type of hedged item, the gains (losses) on derivatives and the related hedged items in fair value hedging relationships and the impact of those derivatives on the Bank’s net interest income for the third quarter and the first nine months of 2013 and 2012.

(in thousands)	Gains/(Losses) on Derivative			Gains/(Losses) on Hedged Item			Net Fair Value Hedge Ineffectiveness		Effect of Derivatives on Net Interest Income (1)
Three months ended September 30, 2013
Hedged item type:
Advances	$	29,142		$	(27,194	)	$	1,948	$	(64,388	)
Consolidated obligations – bonds	34,356			(33,967		)	389		57,917
AFS securities	(3,443		)	4,222			779		(911		)
Total	$	60,055		$	(56,939	)	$	3,116	$	(7,382	)
Nine months ended September 30, 2013
Hedged item type:
Advances	$	222,985		$	(220,743	)	$	2,242	$	(190,432	)
Consolidated obligations – bonds	(258,510		)	259,393			883		162,998
AFS securities	(2,653		)	3,532			879		(926		)
Total	$	(38,178	)	$	42,182		$	4,004	$	(28,360	)

(in thousands)	Gains/(Losses) on Derivative			Gains/(Losses) on Hedged Item			Net Fair Value Hedge Ineffectiveness		Effect of Derivatives on Net Interest Income (1)
Three months ended September 30, 2012
Hedged item type:
Advances	$	84,204		$	(83,765	)	$	439	$	(93,120	)
Consolidated obligations – bonds	(5,359		)	6,249			890		44,154
Total	$	78,845		$	(77,516	)	$	1,329	$	(48,966	)
Nine months ended September 30, 2012
Hedged item type:
Advances	$	166,564		$	(165,389	)	$	1,175	$	(289,346	)
Consolidated obligations – bonds	(20,450		)	22,566			2,116		130,501
Total	$	146,114		$	(142,823	)	$	3,291	$	(158,845	)

Note:

⁽¹⁾ Represents the net interest settlements on derivatives in fair value hedge relationships presented in the interest income/expense line item of the respective hedged item.

Offsetting Assets

The Bank presents derivative instruments, related cash collateral, including initial and variation margin, received or pledged and associated accrued interest on a net basis by clearing agent and/or by counterparty when it has met the netting requirements. The following tables presents separately the fair value of derivative instruments meeting or not meeting netting requirements, including the related collateral received from or pledged to counterparties.

	Derivative Assets
(in thousands)		September 30, 2013			December 31, 2012
Derivative instruments meeting netting requirements:
Gross recognized amount:
Bilateral derivatives		$	263,210		$	313,000
Cleared derivatives		2,852			—
Total gross recognized amount		266,062			313,000
Gross amounts of netting adjustments and cash collateral:
Bilateral derivatives		(232,433		)	(285,819		)
Cleared derivatives		15,804			—
Total gross amounts of netting adjustments and cash collateral		(216,629		)	(285,819		)
Net amounts after netting adjustments:
Bilateral derivatives		30,777			27,181
Cleared derivatives		18,656			—
Total net amounts after netting adjustments		49,433			27,181
Derivative instruments not meeting netting requirements: (1)
Bilateral derivatives		480			622
Total derivative assets
Bilateral derivatives		31,257			27,803
Cleared derivatives		18,656			—
Total derivative assets as reported in the Statement of Condition		49,913			27,803
Non-cash collateral received or pledged not offset:
Can be sold or repledged
Bilateral derivatives		(16,479		)	—
Cannot be sold or repledged
Bilateral derivatives		—			(1,343		)
Net unsecured amount:
Bilateral derivatives		14,778			26,460
Cleared derivatives		18,656			—
Total net unsecured amount		$	33,434		$	26,460

Offsetting Liabilities

	Derivative Liabilities
(in thousands)		September 30, 2013			December 31, 2012
Derivative instruments meeting netting requirements:
Gross recognized amount:
Bilateral derivatives		$	830,716		$	884,703
Cleared derivatives		9,983			—
Total gross recognized amount		840,699			884,703
Gross amounts of netting adjustments and cash collateral:
Bilateral derivatives		(683,369		)	(574,278		)
Cleared derivatives		(9,983		)	—
Total gross amounts of netting adjustments and cash collateral		(693,352		)	(574,278		)
Net amounts after netting adjustments:
Bilateral derivatives		147,347			310,425
Cleared derivatives		—			—
Net amounts after offsetting adjustments		147,347			310,425
Derivative instruments not meeting netting requirements: (1)
Bilateral derivatives		4			—
Total derivative liabilities
Bilateral derivatives		147,351			310,425
Cleared derivatives		—			—
Total derivative liabilities as reported in the Statement of Condition		147,351			310,425
Non-cash collateral received or pledged not offset:
Can be sold or repledged
Bilateral derivatives		(54,090		)	—
Cannot be sold or repledged
Bilateral derivatives		—			(257,603		)
Net unsecured amount:
Bilateral derivatives		93,261			52,822
Net unsecured amount		$	93,261		$	52,822

Notes:

⁽¹⁾ Represents derivatives that are not subject to an enforceable netting agreement (e.g., mortgage delivery commitments and certain interest-rate futures or forwards).

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Derivatives and Hedging Activities (Offsetting Assets) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Offsetting Assets [Line Items]
Derivative Asset, Subject to master netting	$ 266,062	$ 313,000
Derivative Asset, Amount Offset Against Collateral And Netting	(216,629)	(285,819)
Derivative Asset, Net Fair Value Amount, After Offsetting Adjustment	49,433	27,181
Derivative assets	49,913	27,803
Net unsecured Derivative asset	33,434	26,460
Over the Counter [Member]
Offsetting Assets [Line Items]
Derivative Asset, Subject to master netting	263,210	313,000
Derivative Asset, Amount Offset Against Collateral And Netting	(232,433)	(285,819)
Derivative Asset, Net Fair Value Amount, After Offsetting Adjustment	30,777	27,181
Derivative Asset, Not Subject to Master Netting Arrangement	480	622
Derivative assets	31,257	27,803
Derivative, Collateral, Obligation to Return Securities that can be sold or repledged	(16,479)	0
Derivative, Collateral, Obligation to Return Securities that cannot be sold or repledged	0	(1,343)
Net unsecured Derivative asset	14,778	26,460
Exchange Cleared [Member]
Offsetting Assets [Line Items]
Derivative Asset, Subject to master netting	2,852	0
Derivative Asset, Amount Offset Against Collateral And Netting	15,804	0
Derivative Asset, Net Fair Value Amount, After Offsetting Adjustment	18,656	0
Derivative assets	18,656	0
Net unsecured Derivative asset	$ 18,656	$ 0

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Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2013

Commitments and Contingencies Disclosure [Abstract]

Off-Balance Sheet Commitments

The following table presents the Bank's various off-balance sheet commitments which are described in detail below.

(in thousands)	September 30, 2013						December 31, 2012
Notional amount	Expire Within One Year		Expire After One Year		Total		Total
Standby letters of credit outstanding (1)	$	7,069,649	$	2,563,500	$	9,633,149	$	7,636,199
Commitments to fund additional advances and BOB loans	422,202		—		422,202		501,087
Commitments to fund or purchase mortgage loans	20,389		—		20,389		34,332
Unsettled consolidated obligation bonds, at par (2)	772,000		—		772,000		1,420,000

Notes:

⁽¹⁾ Includes approved requests to issue future standby letters of credit of $225.5 million and $400.3 million at September 30, 2013 and December 31, 2012, respectively.

⁽²⁾ Includes $0.1 billion and $1.4 billion of consolidated obligation bonds which were hedged with associated interest rate swaps at September 30, 2013 and December 31, 2012, respectively.

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Derivatives and Hedging Activities (Narrative) (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2013
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative, Net Liability Position, Aggregate Fair Value	$ 606.2
Collateral Already Posted, Aggregate Fair Value	513.0
Additional Collateral, Aggregate Fair Value	$ 68.1

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Other-Than-Temporary Impairment (Narrative) (Details)	Sep. 30, 2013 people area
Minimum
Other than Temporary Impairment, Disclosure [Line Items]
Core-Based Statistical Areas, Current Requirements, Number of Urban Areas	1
Core-Based Statistical Areas, Current Requirements, Urban Area, Population	10,000
Assumed Current to Trough Home Price Change Rate	(5.00%)
Projected House Price Change Rate	(1.00%)
Maximum
Other than Temporary Impairment, Disclosure [Line Items]
Assumed Current to Trough Home Price Change Rate	8.00%
Projected House Price Change Rate	7.00%
MBS [Member]
Other than Temporary Impairment, Disclosure [Line Items]
Number of Securities with AA Rating at the time of purchase	1
MBS [Member] | Minimum
Other than Temporary Impairment, Disclosure [Line Items]
Number Of Forms Of Credit Enhancements	1
Alternative Procedures [Member] | MBS [Member]
Other than Temporary Impairment, Disclosure [Line Items]
Marketable Securities, Par Balance, Percent	5.00%
Cash Flow Analysis [Member] | Private label residential MBS [Member]
Other than Temporary Impairment, Disclosure [Line Items]
Number of Third Party Models To Assess Recovery of Amortized Cost Basis of Securities	2
Cash Flow Analysis, Model 1 [Member]
Other than Temporary Impairment, Disclosure [Line Items]
Projected Home Price Recovery, Number of Projections	100

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Held-to-Maturity (HTM) Securities (Redemption Terms) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 4,587,304	$ 5,664,954
Held to maturity securities - fair value	4,634,678	5,755,755
Held-to-maturity Securities, Debt Maturities, Fair Value [Abstract]
Fair Value	4,634,678	5,755,755
Held To Maturity Securities Other Than Mortgage Backed Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	614,580	679,564
Held to maturity securities - fair value	608,818	675,642
Amortized Cost:
Due in one year or less	350,110	401,095
Due after one year through five years	16,814	24,830
Due after five years through ten years	28,703	7,414
Due after ten years	218,953	246,225
Amortized Cost	614,580	679,564
Held-to-maturity Securities, Debt Maturities, Fair Value [Abstract]
Due in one year or less	350,125	401,147
Due after one year through five years	17,490	26,113
Due after five years through ten years	29,296	7,522
Due after ten years	211,907	240,860
Fair Value	608,818	675,642
MBS [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	3,972,724	4,985,390
Held to maturity securities - fair value	4,025,860	5,080,113
Held-to-maturity Securities, Debt Maturities, Fair Value [Abstract]
Fair Value	$ 4,025,860	$ 5,080,113

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Available-for-Sale (AFS) Securities (Interest Rate Payment Terms) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 6,883,856	$ 5,877,858	[1]
Total Non-MBS [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	2,274,461	1,204,243	[1]
MBS [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	4,609,395	4,673,615	[1]
Fixed Interest Rate [Member] | Total Non-MBS [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	1,689,982	504,298
Fixed Interest Rate [Member] | MBS [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	2,233,019	2,050,785
Adjustable Interest Rate [Member] | Total Non-MBS [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	584,479	699,945
Adjustable Interest Rate [Member] | MBS [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 2,376,376	$ 2,622,830

[1] Amortized cost includes adjustments made to the cost basis of an investment for accretion of discounts and/or amortization of premiums, collection of cash, previous OTTI recognized in earnings, and/or fair value hedge accounting adjustments.

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Statement of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Net Income	$ 43,484	$ 32,990	$ 104,149	$ 77,990
Net unrealized gains (losses) on AFS securities:
Unrealized gains (losses)	(7,115)	17,449	(59,301)	29,792
Reclassification of losses included in net income (loss)	41	0	41	0
Total net unrealized gains (losses) on AFS	(7,074)	17,449	(59,260)	29,792
Net non-credit portion of OTTI losses on AFS securities:
Non-credit OTTI losses transferred from HTM securities	0	0	0	(662)
Net change in fair value of OTTI securities	1,228	62,497	24,595	117,751
Unrealized gains	1,706	26,851	23,147	34,361
Reclassification on non-credit portion included in net income	0	186	442	9,495
Total net non-credit portion of OTTI losses on AFS securities	2,934	89,534	48,184	160,945
Net non-credit portion of OTTI losses on HTM securities:
Non-credit portion	0	0	0	(662)
Transfer of non-credit portion from HTM to AFS securities	0	0	0	662
Total net non-credit portion of OTTI losses on HTM securities	0	0	0	0
Reclassification of net losses included in net income relating to hedging activities	0	0	1	0
Pension and post-retirement benefits	80	29	131	54
Total other comprehensive income (loss)	(4,060)	107,012	(10,944)	190,791
Total Comprehensive Income	$ 39,424	$ 140,002	$ 93,205	$ 268,781

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Other-Than-Temporary Impairment

9 Months Ended

Sep. 30, 2013

Other Than Temporary Impairment [Abstract]

Other-Than-Temporary Impairment

Other-Than-Temporary Impairment (OTTI)

The Bank evaluates its individual AFS and HTM securities in an unrealized loss position for OTTI on a quarterly basis. As part of this process, the Bank considers its intent to sell each debt security and whether it is more likely than not the Bank will be required to sell the security before its anticipated recovery. If either of these conditions is met, the Bank recognizes the maximum OTTI loss in earnings, which is equal to the entire difference between the security’s amortized cost basis and its fair value at the Statement of Condition date. For securities in an unrealized loss position that meet neither of these conditions, the Bank evaluates whether there is OTTI by performing an analysis to determine if any of these securities will incur a credit loss, which could be up to the difference between the security’s amortized cost basis and its fair value and records the difference in its Statement of Income.

Private Label Residential MBS and HELOCs. The Bank invests in MBS, which were rated AAA at the time of purchase with the exception of one pre-2004 vintage security that was rated AA at the time of purchase. Each MBS may contain one or more forms of credit protection/enhancements, including but not limited to guarantee of principal and interest, subordination, over-collateralization, and excess interest and insurance wrap.

To ensure consistency among the FHLBanks, the Bank completes its OTTI analysis of private label MBS based on the methodologies and key modeling assumptions provided by the OTTI Governance Committee. The OTTI analysis is a cash flow analysis that is run on a common platform. The Bank performs the cash flow analysis on all of its private label MBS portfolio that have available data. Private label MBS backed by HELOCs and certain other securities where underlying collateral data is not available, are not able to be cash flow tested using the FHLBanks’ common platform. For these securities, alternate procedures, as prescribed by the OTTI Governance Committee, are used by the Bank to assess these securities for OTTI. Securities evaluated using alternative procedures were approximately 5% of the par balance of private label MBS at September 30, 2013.

The Bank’s evaluation includes estimating the projected cash flows that the Bank is likely to collect based on an assessment of all available information, including the structure of the applicable security and certain assumptions, to determine whether the Bank will recover the entire amortized cost basis of the security, such as:

• the remaining payment terms for the security;

• prepayment speeds and default rates;

• loss severity based on underlying loan-level borrower and loan characteristics;

• expected housing price changes; and

• interest-rate assumptions.

To determine the amount of the credit loss, the Bank compares the present value of the cash flows expected to be collected from its private label residential MBS to its amortized cost basis. For the Bank’s private label residential MBS, the Bank uses a forward interest rate curve to project the future estimated cash flows. To calculate the present value of the estimated cash flows for fixed rate bonds the Bank uses the effective interest rate for the security prior to impairment. To calculate the present value of the estimated cash flows for variable-rate and hybrid private label MBS, the Bank uses the contractual interest rate plus a fixed spread that sets the present value of cash flows equal to amortized cost before impairment. For securities previously identified as other-than-temporarily impaired, the Bank updates its estimate of future estimated cash flows on a quarterly basis and uses the previous effective rate or spread until there is a significant increase in cash flows. When the Bank determines there is a significant increase in cash flows, the effective rate is increased.

The Bank performed a cash flow analysis using two third-party models to assess whether the amortized cost basis of its private label residential MBS will be recovered. The first third-party model considers borrower characteristics and the particular attributes of the loans underlying the Bank's securities, in conjunction with assumptions about future changes in home prices and interest rates to project prepayments, defaults and loss severities. A significant input to the first model is the forecast of future housing price changes for the relevant states and core-based statistical areas (CBSAs) which are based upon an assessment of the individual housing markets. CBSAs refer collectively to metropolitan and micropolitan statistical areas as defined by the U.S. Office of Management and Budget; as currently defined, a CBSA must contain at least one urban area with a population of 10,000 or more people. The OTTI Governance Committee developed a short - term housing price forecast using whole percentages ranging from (5.0)% to 8.0% over the 12 month period beginning July 1, 2013. For the vast majority of markets the short-term forecast has changes from (1.0)% to 7.0%. Thereafter, home prices were projected to recover using one of five different recovery paths.

Recovery Ranges of Housing Price Change
Months	Annualized Rates %
1 - 6	0.0%	-	3.0%
7 - 12	1.0%	-	4.0%
13 - 18	2.0%	-	4.0%
19 - 30	2.0%	-	5.0%
31 - 54	2.0%	-	6.0%
Thereafter	2.3%	-	5.6%

The month-by-month projection of future loan performance derived from the first model is the mean of 100 projections and reflects projected prepayments, defaults and loss severities. These projections are input into a second model that allocates the projected loan level cash flows and losses to the various security classes in the securitization structure in accordance with its prescribed cash flow and loss allocation rules. In a securitization in which the credit enhancement for the senior securities is derived from the presence of subordinate securities, losses are generally allocated first to the subordinate securities until their principal balance is reduced to zero. The projected cash flows are based on a number of assumptions and expectations, and the results of these models can vary significantly with changes in assumptions and expectations. The scenario of cash flows determined based on the model approach described above reflects a best estimate scenario.

All of the Bank's other-than-temporarily impaired securities were classified as AFS at September 30, 2013. The "Total OTTI securities" balances below summarize the Bank’s securities as of September 30, 2013 for which an OTTI has been recognized during the life of the security. The "Private label MBS with no OTTI" balances below represent AFS securities on which an OTTI was not taken. The sum of these two totals reflects the entire AFS private label MBS portfolio.

	OTTI Recognized During the Life of the Security
(in thousands)	Unpaid Principal Balance		Amortized Cost (1)		Fair Value
Private label residential MBS:
Prime	$	649,771	$	539,057	$	583,237
Alt-A	725,355		571,088		591,617
Subprime	2,374		1,398		1,463
HELOCs	17,896		12,333		14,742
Total OTTI securities	1,395,396		1,123,876		1,191,059
Private label MBS with no OTTI	3,897		3,897		3,691
Total AFS private label MBS	$	1,399,293	$	1,127,773	$	1,194,750

Notes:

⁽¹⁾ Amortized cost includes adjustments made to the cost basis of an investment for accretion of discounts and/or amortization of premiums, collection of cash, and/or previous OTTI recognized in earnings.

The following table presents the rollforward of the amounts related to OTTI credit losses recognized during the life of the security for which a portion of the OTTI charges was recognized in AOCI for the three and nine months ended September 30, 2013 and 2012.

(in thousands)	Three months ended September 30,						Nine months ended September 30,
	2013			2012			2013			2012
Beginning balance	$	322,144		$	328,937		$	326,024		$	322,589
Additions:
Credit losses for which OTTI was not previously recognized	—			—			—			74
Additional OTTI credit losses for which an OTTI charge was previously recognized (1)	—			186			442			10,950
Reductions:
Securities sold and matured during the period	—			265			(59		)	265
Increases in cash flows expected to be collected, recognized over the remaining life of the securities (2)	(2,703		)	(2,209		)	(6,966		)	(6,699		)
Ending balance	$	319,441		$	327,179		$	319,441		$	327,179

Notes:

⁽¹⁾ For the three months ended September 30, 2013 and 2012, OTTI "previously recognized" represents securities that were impaired prior to July 1, 2013 and 2012. For the nine months ended September 30, 2013 and 2012, OTTI "previously recognized" represents securities that were impaired prior to January 1, 2013 and 2012.

⁽²⁾ This activity represents the increase in cash flows recognized in interest income during the period.

All Other AFS and HTM Investments. At September 30, 2013, the Bank held certain securities in an unrealized loss position. These unrealized losses were considered temporary as the Bank expects to recover the entire amortized cost basis on the remaining securities in unrealized loss positions and neither intends to sell these securities nor considers it more likely than not that the Bank would be required to sell the security before its anticipated recovery. As a result, the Bank did not consider any of these other investments to be other-than-temporarily impaired at September 30, 2013.

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Statement of Condition (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
ASSETS
Available-for-sale Securities Pledged as Collateral	$ 54,090	$ 0
Held to maturity securities - fair value	4,634,678	5,755,755
Allowance for Credit losses, Mortgage Loans	11,272	14,163
Allowance for Credit Losses, BOB loans	$ 2,341	$ 2,481
Stockholders' Equity Attributable to Parent [Abstract]
Capital Stock, Par value Per Share	$ 100	$ 100
Capital Stock, Shares, Issued and Outstanding	24,876	28,160

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Advances (Advances by Year of Contractual Maturity or Next Call Date or Next Convertible Date) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Advances [Abstract]
Due in 1 year or less	$ 18,144,956
Due in Next Fiscal Year		20,587,511
Due after 1 year through 2 years	7,005,211
Due in Fiscal Year 2		3,869,388
Due after 2 years through 3 years	3,514,614
Due in Fiscal Year 3		5,297,312
Due after 3 years through 4 years	5,827,182
Due in Fiscal Year 4		3,634,200
Due after 4 years through 5 years	3,817,212
Due in Fiscal Year 5		4,404,845
Thereafter	595,909
Due after Fiscal Year 5		1,877,564
Due in 1 year or less	20,299,456
Due in Next Fiscal Year		22,439,511
Due after 1 year through 2 years	6,906,711
Due in Fiscal Year 2		3,778,888
Due after 2 years through 3 years	2,517,114
Due in Fiscal Year Three		5,174,812
Due after 3 years through 4 years	5,200,182
Due in Fiscal Year Four		2,520,700
Due after 4 years through 5 years	3,436,212
Due in Fiscal Year Five		3,812,845
Thereafter	545,409
Due after Fiscal Year Five		1,944,064
Total par value	$ 38,905,084	$ 39,670,820

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Statement of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Interest income:
Advances	$ 55,559	$ 66,122	$ 167,858	$ 197,027
Prepayment fees on advances, net	9	2,230	2,124	14,266
Interest-bearing deposits	112	171	368	511
Securities purchased under agreements to resell	14	1,415	848	3,114
Federal funds sold	726	838	3,325	1,874
Trading securities	9	156	72	844
Available-for-sale (AFS) securities	30,399	32,224	87,964	96,305
Held-to-maturity (HTM) securities	23,298	32,273	75,461	104,528
Mortgage loans held for portfolio	34,200	41,284	107,463	128,788
Total interest income	144,326	176,713	445,483	547,257
Interest expense:
Consolidated obligations - discount notes	3,677	6,443	13,445	12,327
Consolidated obligations - bonds	92,783	120,035	295,424	392,153
Mandatorily redeemable capital stock	317	205	1,336	319
Deposits	55	138	269	415
Other borrowings	3	8	14	29
Total interest expense	96,835	126,829	310,488	405,243
Net interest income	47,491	49,884	134,995	142,014
Provision (benefit) for credit losses	(682)	(156)	(2,025)	(39)
Net interest income after provision (benefit) for credit losses	48,173	50,040	137,020	142,053
Other noninterest income (loss):
Total OTTI losses (Note 5)	0	0	0	(2,191)
OTTI losses reclassified (from) AOCI (Note 5)	0	(186)	(442)	(8,833)
Net OTTI losses, credit portion (Note 5)	0	(186)	(442)	(11,024)
Net gains (losses) on trading securities (Note 2)	166	188	449	334
Net realized gains from sales of AFS securities (Note 3)	(41)	0	(41)	0
Net gains on derivatives and hedging activities (Note 9)	5,396	3,482	14,132	2,641
Net gains on extinguishment of debt	9,665	0	9,665	0
Other, net	2,623	969	8,774	5,412
Total other noninterest income (loss)	17,809	4,453	32,537	(2,637)
Other expense
Compensation and benefits expense	9,232	9,127	28,372	27,387
Other operating expense	6,698	6,797	19,847	19,368
Finance Agency expense	795	1,093	2,761	3,511
Office of Finance expense	907	798	2,708	2,459
Total other expense	17,632	17,815	53,688	52,725
Income before assessments	48,350	36,678	115,869	86,691
Affordable Housing Program (AHP) assessment	4,866	3,688	11,720	8,701
Net Income	$ 43,484	$ 32,990	$ 104,149	$ 77,990
Weighted avg shares outstanding (excludes mandatorily redeemable capital stock)	27,005	30,546	27,649	31,008
Basic and diluted earnings per share	$ 1.61	$ 1.08	$ 3.77	$ 2.52
Dividends per share	$ 0.26	$ 0.03	$ 0.41	$ 0.08

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Held-to-Maturity (HTM) Securities (Interest Rate Payment Terms) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 4,587,304	$ 5,664,954
Held To Maturity Securities Other Than Mortgage Backed Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	614,580	679,564
MBS [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	3,972,724	4,985,390
Fixed Interest Rate [Member] | Held To Maturity Securities Other Than Mortgage Backed Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	447,270	507,564
Fixed Interest Rate [Member] | MBS [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	1,421,017	1,772,557
Adjustable Interest Rate [Member] | Held To Maturity Securities Other Than Mortgage Backed Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	167,310	172,000
Adjustable Interest Rate [Member] | MBS [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 2,551,707	$ 3,212,833

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Capital (Capital Requirements) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Capital [Abstract]
Number of Finance Agency Regualtory Capital Requirements	3
Risk-based capital - Required	$ 1,060,610	$ 1,029,858
Total capital-to-asset ratio - Required	4.00%	4.00%
Total regulatory capital - Required	2,462,511	2,584,651
Regulatory Capital, Actual	3,139,874	3,806,806
Leverage ratio - Required	5.00%	5.00%
Leverage capital - Required	3,078,139	3,230,814
Risk-based capital - Actual	3,139,874	3,806,806
Total capital-to-asset ratio - Actual	5.10%	5.90%
Leverage ratio - Actual	7.70%	8.80%
Leverage capital - Actual	$ 4,709,810	$ 5,710,209

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Consolidated Obligations (Consolidated Obligation Bonds Noncallable and Callable) (Details) (Consolidated Obligation Bonds, USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Schedule of Short-term and Long-term Debt [Line Items]
Par value of consolidated bonds	$ 35,152,380	$ 34,789,629
Non Callable [Member]
Schedule of Short-term and Long-term Debt [Line Items]
Par value of consolidated bonds	22,207,380	26,470,629
Callable [Member]
Schedule of Short-term and Long-term Debt [Line Items]
Par value of consolidated bonds	$ 12,945,000	$ 8,319,000

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Advances (Tables)

9 Months Ended

Sep. 30, 2013

Advances [Abstract]

Schedule of Advances Classified by Contractual Maturity Date

The following table details the Bank’s advances portfolio by year of contractual maturity as of September 30, 2013 and December 31, 2012.

(dollars in thousands)	September 30, 2013					December 31, 2012
Year of Contractual Maturity	Amount			Weighted Average Interest Rate		Amount			Weighted Average Interest Rate
Due in 1 year or less	$	18,144,956		0.43	%	$	20,187,511		0.44	%
Due after 1 year through 2 years	7,005,211			1.38		3,869,388			1.02
Due after 2 years through 3 years	3,514,614			3.54		5,297,312			2.29
Due after 3 years through 4 years	5,827,182			1.24		3,634,200			2.74
Due after 4 years through 5 years	3,817,212			2.14		4,404,845			1.41
Thereafter	595,909			2.89		2,277,564			3.71
Total par value	38,905,084			1.21	%	39,670,820			1.25	%
Discount on AHP advances	(163		)			(230		)
Deferred prepayment fees	(13,305		)			(15,230		)
Hedging adjustments	614,322					842,427
Total book value	$	39,505,938				$	40,497,787

Schedule of Advances Classified by Contractual Maturity Date or Next Call Date or Next Convertible Date

The following table summarizes advances by (i) year of contractual maturity or next call date and (ii) year of contractual maturity or next convertible date as of September 30, 2013 and December 31, 2012.

	Year of Contractual Maturity or Next Call Date				Year of Contractual Maturity or Next Convertible Date
(in thousands)	September 30, 2013		December 31, 2012		September 30, 2013		December 31, 2012
Due in 1 year or less	$	18,144,956	$	20,587,511	$	20,299,456	$	22,439,511
Due after 1 year through 2 years	7,005,211		3,869,388		6,906,711		3,778,888
Due after 2 years through 3 years	3,514,614		5,297,312		2,517,114		5,174,812
Due after 3 years through 4 years	5,827,182		3,634,200		5,200,182		2,520,700
Due after 4 years through 5 years	3,817,212		4,404,845		3,436,212		3,812,845
Thereafter	595,909		1,877,564		545,409		1,944,064
Total par value	$	38,905,084	$	39,670,820	$	38,905,084	$	39,670,820

Schedule of Advances Classified by Contractual Interest Payment Terms

The following table details interest rate payment terms for advances as of September 30, 2013 and December 31, 2012.

(in thousands)	September 30, 2013		December 31, 2012
Fixed rate – overnight	$	370,137	$	517,050
Fixed rate – term:
Due in 1 year or less	16,057,277		19,625,461
Thereafter	9,281,657		9,728,590
Total fixed rate	25,709,071		29,871,101
Variable rate:
Due in 1 year or less	1,717,542		45,000
Thereafter	11,478,471		9,754,719
Total variable rate	13,196,013		9,799,719
Total par value	$	38,905,084	$	39,670,820

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Commitments and Contingencies

9 Months Ended

Sep. 30, 2013

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

The following table presents the Bank's various off-balance sheet commitments which are described in detail below.

(in thousands)	September 30, 2013						December 31, 2012
Notional amount	Expire Within One Year		Expire After One Year		Total		Total
Standby letters of credit outstanding (1)	$	7,069,649	$	2,563,500	$	9,633,149	$	7,636,199
Commitments to fund additional advances and BOB loans	422,202		—		422,202		501,087
Commitments to fund or purchase mortgage loans	20,389		—		20,389		34,332
Unsettled consolidated obligation bonds, at par (2)	772,000		—		772,000		1,420,000

Notes:

⁽¹⁾ Includes approved requests to issue future standby letters of credit of $225.5 million and $400.3 million at September 30, 2013 and December 31, 2012, respectively.

⁽²⁾ Includes $0.1 billion and $1.4 billion of consolidated obligation bonds which were hedged with associated interest rate swaps at September 30, 2013 and December 31, 2012, respectively.

Commitments to Extend Credit on Standby Letters of Credit, Additional Advances and BOB Loans. Standby letters of credit are issued on behalf of members for a fee. A standby letter of credit is a financing arrangement between the Bank and its member. If the Bank is required to make payment for a beneficiary’s draw, these amounts are withdrawn from the member’s Demand Deposit Account (DDA). Any remaining amounts not covered by the withdrawal from the member’s DDA are converted into a collateralized advance. The original terms of these standby letters of credit, including related commitments, range from less than one month to five years, including a final expiration in 2018. Commitments that legally bind and unconditionally obligate the Bank for additional advances, including BOB loans, may be outstanding for periods of up to two years.

Unearned fees related to standby letters of credit are recorded in other liabilities and had a balance of $2.4 million and $1.6 million as of September 30, 2013 and December 31, 2012, respectively. The Bank monitors the creditworthiness of its standby letters of credit based on an evaluation of the member. The Bank has established parameters for the review, assessment, monitoring and measurement of credit risk related to these standby letters of credit.

Based on management’s credit analyses, collateral requirements, and adherence to the requirements set forth in Bank policy and Finance Agency regulations, the Bank has not recorded any additional liability on these commitments and standby letters of credit. Excluding BOB, commitments and standby letters of credit are collateralized at the time of issuance. The Bank records a liability with respect to BOB commitments, which is reflected in Other liabilities on the Statement of Condition.

The Bank does not have any legally binding or unconditional unused lines of credit for advances at September 30, 2013 and December 31, 2012. However, within the Bank's Open RepoPlus advance product, there were conditional lines of credit outstanding at September 30, 2013 and December 31, 2012 of $5.9 billion and $6.1 billion, respectively.

Commitments to Fund or Purchase Mortgage Loans. The Bank may enter into commitments that unconditionally obligate the Bank to purchase mortgage loans under the MPF program. These delivery commitments are generally for periods not to exceed 45 days. Such commitments are recorded as derivatives.

Pledged Collateral. The Bank has pledged securities, as collateral, related to derivatives. Refer to Note 9 - Derivatives and Hedging Activities in this Form 10-Q for additional information about the Bank's pledged collateral and other credit risk-related contingent features.

Legal Proceedings. The Bank is subject to legal proceedings arising in the normal course of business. After consultation with legal counsel, management does not anticipate that the ultimate liability, if any, arising out of these matters will have a

material effect on its financial condition or results of operations.

Notes 6, 10, 11, and 12 also discuss other commitments and contingencies.

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Available-for-Sale (AFS) Securities (Redemption Terms) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Amortized Cost:
Amortized Cost Basis	$ 6,883,856	$ 5,877,858	[1]
Fair Value:
Fair Value	6,927,169	5,932,248
Total Non-MBS [Member]
Amortized Cost:
Due in one year or less	201,991	201,993
Due after one year through five years	1,453,182	969,850
Due after five years through ten years	447,630	21,000
Due in more than ten years	171,658	11,400
Amortized Cost Basis	2,274,461	1,204,243	[1]
Fair Value:
Due in one year or less	202,162	201,832
Due after one year through five years	1,449,611	969,510
Due after five years through ten years	445,037	21,016
Due in more than ten years	169,418	11,130
Fair Value	2,266,228	1,203,488
MBS [Member]
Amortized Cost:
Amortized Cost Basis	4,609,395	4,673,615	[1]
Fair Value:
Fair Value	$ 4,660,941	$ 4,728,760

[1] Amortized cost includes adjustments made to the cost basis of an investment for accretion of discounts and/or amortization of premiums, collection of cash, previous OTTI recognized in earnings, and/or fair value hedge accounting adjustments.

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Consolidated Obligations (Consolidated Obligation Discount Notes) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013		Dec. 31, 2012
Short-term Debt [Line Items]
Consolidated Obligations, Discount Notes	$ 21,983,019		$ 24,148,453
Discount Notes
Short-term Debt [Line Items]
Par value	$ 21,987,100		$ 24,154,343
Weighted average interest rate	0.07%	[1]	0.12%	[1]

[1] Represents an implied rate.

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Other-Than-Temporary Impairment (Rollforward) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2013		Sep. 30, 2012		Mar. 31, 2013	Mar. 31, 2012
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Roll Forward]
Beginning balance					$ 326,024		$ 322,589		$ 322,144	$ 328,937
Credit losses for which OTTI was not previously recognized	0		0		0		74
Additional OTTI credit losses for which an OTTI charge was previously recognized(1)	0	[1]	186	[1]	442	[1]	10,950	[1]
Securities sold and matured during the period	0		265		(59)		265
Increases in cash flows expected to be collected, recognized over the remaining life of the securities(2)	(2,703)	[2]	(2,209)	[2]	(6,966)	[2]	(6,699)	[2]
Ending balance	$ 319,441		$ 327,179		$ 319,441		$ 327,179		$ 322,144	$ 328,937

[1] For the three months ended September 30, 2013 and 2012, OTTI "previously recognized" represents securities that were impaired prior to July 1, 2013 and 2012. For the nine months ended September 30, 2013 and 2012, OTTI "previously recognized" represents securities that were impaired prior to January 1, 2013 and 2012

[2] This activity represents the increase in cash flows recognized in interest income during the period.

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Allowance for Credit Losses (Individually Evaluated Impaired Loans) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Conventional Loan [Member]
Recorded Investment
With no related allowance	$ 502	$ 507
With a related allowance	14,962	12,449
Total recorded investment	15,464	12,956
Unpaid Principal Balance
With no related allowance	500	504
With a related allowance	14,875	12,388
Total	15,375	12,892
Related Allowance for Credit Losses	785	642
Banking on Business Loans
Recorded Investment
With a related allowance	192	280
Total recorded investment	192	280
Unpaid Principal Balance
With a related allowance	192	280
Total	192	280
Related Allowance for Credit Losses	$ 85	$ 100

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Trading Securities (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
Schedule of Trading Securities and Other Trading Assets [Line Items]
Trading securities	$ 57,837,000	$ 353,590,000
Deferred Compensation Liabilities	4,200,000	3,700,000
GSE securities [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Trading securities	53,655,000	0
US Treasury Bill Securities [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Trading securities	0	349,990,000
Mutual Funds [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Trading securities	$ 4,182,000	$ 3,600,000

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Transactions with Related Parties (Tables)

9 Months Ended

Sep. 30, 2013

Related Party Transaction [Line Items]

Schedule of Related Party Transactions, Mortgage Loans

The following table includes the MPF activity of the related party members.

	Three months ended September 30,				Nine months ended September 30,
(in thousands)	2013		2012		2013		2012
Total MPF loan volume purchased	$	6,569	$	57,566	$	13,018	$	89,142

Related Party Transactions, by Balance Sheet Grouping

The following table includes significant outstanding related party member balances.

(in thousands)	September 30, 2013		December 31, 2012
Federal funds sold	$	—	$	245,000
Investments	173,630		179,610
Advances	26,758,239		27,399,641
Letters of credit	2,238,796		84,230
MPF loans	1,723,777		2,303,281
Deposits	70,621		5,797
Capital stock	1,333,090		1,477,835

Related Party Transactions, Income Statement

The following table summarizes the effects on the Statement of Income corresponding to the related party member balances above. Amounts related to Federal funds sold, interest income on investments, prepayment fees on advances, letters of credit fees, and interest expense on deposits were immaterial for the periods presented.

	Three months ended September 30,				Nine months ended September 30,
(in thousands)	2013		2012		2013		2012
Interest income on advances (1)	$	32,242	$	30,554	$	94,422	$	100,298
Interest income on MPF loans	24,205		32,416		78,517		102,813

Note:

⁽¹⁾ For the three months and nine months ended September 30, 2013, balances include contractual interest income of $86.8 million and $256.7 million, net interest settlements on derivatives in fair value hedge relationships of $(54.0) million and $(160.1) million and total amortization of basis adjustments of $(0.6) million and $(2.2) million. For the three months and nine months ended September 30, 2012, balances include contractual interest income of $87.3 million and $329.8 million, net interest settlements on derivatives in fair value hedge relationships of $(55.6) million and $(215.3) million and total amortization of basis adjustments of $(1.1) million and $(14.1) million.

FHLBank of Chicago [Member]

Related Party Transaction [Line Items]

Schedule of Related Party Transactions, Mortgage Loans

The following table summarizes the effect of the MPF activities with FHLBank of Chicago.

	Three months ended September 30,				Nine months ended September 30,
(in thousands)	2013		2012		2013		2012
Servicing fee expense	$	231	$	190	$	681	$	545
Interest income on MPF deposits	—		3		6		6

(in thousands)	September 30, 2013		December 31, 2012
Interest-bearing deposits maintained with FHLBank of Chicago	$	4,351	$	11,435

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Estimated Fair Values (Tables)

9 Months Ended

Sep. 30, 2013

Fair Value Disclosures [Abstract]

Fair Value, by Balance Sheet Grouping

The carrying value and estimated fair value of the Bank’s financial instruments at September 30, 2013 and December 31, 2012 are presented in the table below. This table does not represent an estimate of the overall market value of the Bank as a going-concern, which would take into account future business opportunities and the net profitability of assets and liabilities.

Fair Value Summary Table
	September 30, 2013
(in thousands)	Carrying Value		Level 1		Level 2		Level 3		Netting Adjust.			Estimated Fair Value
Assets:
Cash and due from banks	$	3,063,054	$	3,063,054	$	—	$	—	$	—		$	3,063,054
Interest-bearing deposits	4,351		—		4,351		—		—			4,351
Federal funds sold	3,705,000		—		3,704,988		—		—			3,704,988
Securities purchased under agreements to resell	250,000		—		249,999		—		—			249,999
Trading securities	57,837		4,182		53,655		—		—			57,837
AFS securities	6,927,169		1,998		5,730,421		1,194,750		—			6,927,169
HTM securities	4,587,304		—		3,700,216		934,462		—			4,634,678
Advances	39,505,938		—		39,523,927		—		—			39,523,927
Mortgage loans held for portfolio, net	3,277,725		—		3,429,368		—		—			3,429,368
BOB loans, net	11,180		—		—		11,180		—			11,180
Accrued interest receivable	85,088		—		85,088		—		—			85,088
Derivative assets	49,913		—		266,542		—		(216,629		)	49,913
Liabilities:
Deposits	$	780,689	$	—	$	780,693	$	—	$	—		$	780,693
Discount notes	21,983,019		—		21,984,606		—		—			21,984,606
Bonds	35,225,393		—		35,471,444		—		—			35,471,444
Mandatorily redeemable capital stock	40		40		—		—		—			40
Accrued interest payable	150,223		—		150,223		—		—			150,223
Derivative liabilities	147,351		—		840,703		—		(693,352		)	147,351

	December 31, 2012
(in thousands)	Carrying Value		Level 1		Level 2		Level 3		Netting Adjust.			Estimated Fair Value
Assets:
Cash and due from banks	$	1,350,594	$	1,350,594	$	—	$	—	$	—		$	1,350,594
Interest-bearing deposits	11,435		—		11,435		—		—			11,435
Federal funds sold	4,595,000		—		4,594,970		—		—			4,594,970
Securities purchased under agreements to resell	2,500,000		—		2,499,997		—		—			2,499,997
Trading securities	353,590		3,600		349,990		—		—			353,590
AFS securities	5,932,248		1,998		4,505,016		1,425,234		—			5,932,248
HTM securities	5,664,954		—		4,551,752		1,204,003		—			5,755,755
Advances	40,497,787		—		40,668,739		—		—			40,668,739
Mortgage loans held for portfolio, net	3,532,549		—		3,791,036		—		—			3,791,036
BOB loans, net	12,846		—		—		12,846		—			12,846
Accrued interest receivable	92,685		—		92,685		—		—			92,685
Derivative assets	27,803		—		313,622		—		(285,819		)	27,803
Liabilities:
Deposits	$	999,891	$	—	$	999,893	$	—	$	—		$	999,893
Discount notes	24,148,453		—		24,150,089		—		—			24,150,089
Bonds	35,135,608		—		35,777,834		—		—			35,777,834
Mandatorily redeemable capital stock	431,566		431,920		—		—		—			431,920
Accrued interest payable	114,003		—		114,003		—		—			114,003
Derivative liabilities	310,425		—		884,703		—		(574,278		)	310,425

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

The following tables present, for each hierarchy level, the Bank’s assets and liabilities that are measured at fair value on a recurring basis on its Statement of Condition at September 30, 2013 and December 31, 2012.

	September 30, 2013
(in thousands)	Level 1		Level 2		Level 3		Netting Adjustment(1)			Total
Assets:
Trading securities:
GSE securities	$	—	$	53,655	$	—	$	—		$	53,655
Mutual funds	4,182		—		—		—			4,182
Total trading securities	$	4,182	$	53,655	$	—	$	—		$	57,837
AFS securities:
GSE securities	$	—	$	2,249,793	$	—	$	—		$	2,249,793
State or local agency obligations	—		14,437		—		—			14,437
Mutual funds	1,998		—		—		—			1,998
Other U.S. obligations residential MBS	—		400,171		—		—			400,171
GSE MBS	—		3,066,020		—		—			3,066,020
Private label MBS:
Private label residential MBS	—		—		1,180,008		—			1,180,008
HELOCs	—		—		14,742		—			14,742
Total AFS securities	$	1,998	$	5,730,421	$	1,194,750	$	—		$	6,927,169
Derivative assets:
Interest rate related	$	—	$	266,062	$	—	$	(216,629	)	$	49,433
Mortgage delivery commitments	—		480		—		—			480
Total derivative assets	$	—	$	266,542	$	—	$	(216,629	)	$	49,913
Total assets at fair value	$	6,180	$	6,050,618	$	1,194,750	$	(216,629	)	$	7,034,919
Liabilities:
Derivative liabilities:
Interest rate related	$	—	$	840,699	$	—	$	(693,352	)	$	147,347
Mortgage delivery commitments	—		4		—		—			4
Total derivative liabilities (2)	$	—	$	840,703	$	—	$	(693,352	)	$	147,351

	December 31, 2012
(in thousands)	Level 1		Level 2		Level 3		Netting Adjustment(1)			Total
Assets:
Trading securities:
U.S. Treasury bills	$	—	$	349,990	$	—	$	—		$	349,990
Mutual funds	3,600		—		—		—			3,600
Total trading securities	$	3,600	$	349,990	$	—	$	—		$	353,590
AFS securities:
Other U.S. obligations	$	—	$	21,016	$	—	$	—		$	21,016
GSE securities	—		1,169,344		—		—			1,169,344
State or local agency obligations	—		11,130		—		—			11,130
Mutual funds	1,998		—		—		—			1,998
Other U.S. obligations residential MBS	—		310,705		—		—			310,705
GSE MBS	—		2,992,821		—		—			2,992,821
Private label MBS:
Private label residential MBS	—		—		1,410,476		—			1,410,476
HELOCs	—		—		14,758		—			14,758
Total AFS securities	$	1,998	$	4,505,016	$	1,425,234	$	—		$	5,932,248
Derivative assets:
Interest rate related	$	—	$	313,000	$	—	$	(285,819	)	$	27,181
Mortgage delivery commitments	—		622		—		—			622
Total derivative assets	$	—	$	313,622	$	—	$	(285,819	)	$	27,803
Total assets at fair value	$	5,598	$	5,168,628	$	1,425,234	$	(285,819	)	$	6,313,641
Liabilities:
Derivative liabilities:
Interest rate related	$	—	$	884,703	$	—	$	(574,278	)	$	310,425
Total derivative liabilities (2)	$	—	$	884,703	$	—	$	(574,278	)	$	310,425

Notes:

⁽¹⁾ Amounts represent the application of the netting requirements that allow the Bank to settle positive and negative positions and also cash collateral held or placed by the Bank with the same clearing agent and/or counterparties.

⁽²⁾ Derivative liabilities represent the total liabilities at fair value.

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation

The following table presents a reconciliation of all assets and liabilities that are measured at fair value on the Statement of Condition using significant unobservable inputs (Level 3) for the first nine months of 2013 and 2012. For instruments carried at fair value, the Bank reviews the fair value hierarchy classifications on a quarterly basis. Changes in the observability of the valuation attributes may result in a reclassification of certain financial assets or liabilities. Such reclassifications are reported as transfers in/out at fair value in the quarter in which the changes occur. Transfers are reported as of the beginning of the period.

(in thousands)	AFS Private Label MBS-Residential Nine Months Ended September 30, 2013			AFS Private Label MBS- HELOCs Nine Months Ended September 30, 2013
Balance at January 1	$	1,410,476		$	14,758
Total gains (losses) (realized/unrealized) included in:
Accretion of credit losses in interest income	(2,857		)	600
Net OTTI losses, credit portion	(345		)	(97		)
Net unrealized gains on AFS in OCI	162			—
Reclassification of non-credit portion included in net income	345			97
Net change in fair value on OTTI AFS in OCI	24,362			233
Unrealized gains on OTTI AFS and included in OCI	21,164			1,983
Purchases, issuances, sales, and settlements:
Settlements	(273,299		)	(2,832		)
Balance at September 30	$	1,180,008		$	14,742
Total amount of (losses) for the period presented included in earnings attributable to the change in unrealized gains or losses relating to assets and liabilities still held at September 30, 2013	$	(345	)	$	(97	)

(in thousands)	AFS Private Label MBS-Residential Nine Months Ended September 30, 2012			AFS Private Label MBS- HELOCs Nine Months Ended September 30, 2012
Balance at January 1	$	1,631,361		$	15,073
Total gains (losses) (realized/unrealized) included in:
Accretion of credit losses in interest income	(4,380		)	692
Net OTTI losses, credit portion	(9,866		)	(1,084		)
Net unrealized gains on AFS in OCI	213			—
Reclassification of non-credit portion included in net income	8,411			1,084
Net change in fair value on OTTI AFS in OCI	116,632			1,119
Unrealized gains on OTTI AFS and included in OCI	34,190			171
Purchases, issuances, sales, and settlements:
Settlements	(321,165		)	(2,480		)
Transfer of OTTI securities from HTM to AFS	11,268			—
Balance at September 30	$	1,466,664		$	14,575
Total amount of (losses) for the period presented included in earnings attributable to the change in unrealized gains or losses relating to assets and liabilities still held at September 30, 2012	$	(14,247	)	$	(392	)

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Held-to-Maturity (HTM) Securities

9 Months Ended

Sep. 30, 2013

Held to Maturity Securities [Abstract]

Held-to-Maturity (HTM) Securities

Held-to-Maturity (HTM) Securities

The following tables present HTM securities as of September 30, 2013 and December 31, 2012.

	September 30, 2013
(in thousands)	Amortized Cost		Gross Unrealized Holding Gains		Gross Unrealized Holding Losses			Fair Value
Non-MBS:
Certificates of deposit	$	350,000	$	14	$	—		$	350,014
GSE securities	16,814		676		—			17,490
State or local agency obligations	247,766		4,783		(11,235		)	241,314
Total non-MBS	$	614,580	$	5,473	$	(11,235	)	$	608,818
MBS:
Other U.S. obligations residential MBS	$	1,526,856	$	9,179	$	(96	)	$	1,535,939
GSE MBS	1,499,293		56,388		(222		)	1,555,459
Private label MBS:
Private label residential MBS	936,444		5,383		(16,349		)	925,478
HELOCs	10,131		—		(1,147		)	8,984
Total private label MBS	946,575		5,383		(17,496		)	934,462
Total MBS	$	3,972,724	$	70,950	$	(17,814	)	$	4,025,860
Total HTM securities	$	4,587,304	$	76,423	$	(29,049	)	$	4,634,678

	December 31, 2012
(in thousands)	Amortized Cost		Gross Unrealized Holding Gains		Gross Unrealized Holding Losses			Fair Value
Non-MBS:
Certificates of deposit	$	400,000	$	36	$	—		$	400,036
GSE securities	24,830		1,283		—			26,113
State or local agency obligations	254,734		8,961		(14,202		)	249,493
Total non-MBS	$	679,564	$	10,280	$	(14,202	)	$	675,642
MBS:
Other U.S. obligations residential MBS	$	1,922,589	$	12,568	$	—		$	1,935,157
GSE MBS	1,842,212		98,878		(137		)	1,940,953
Private label MBS:
Private label residential MBS	1,208,482		12,720		(27,510		)	1,193,692
HELOCs	12,107		—		(1,796		)	10,311
Total private label MBS	1,220,589		12,720		(29,306		)	1,204,003
Total MBS	$	4,985,390	$	124,166	$	(29,443	)	$	5,080,113
Total HTM securities	$	5,664,954	$	134,446	$	(43,645	)	$	5,755,755

The following tables summarize the HTM securities with unrealized losses as of September 30, 2013 and December 31, 2012. The unrealized losses are aggregated by major security type and length of time that individual securities have been in a continuous unrealized loss position.

	September 30, 2013
	Less than 12 Months					Greater than 12 Months					Total
(in thousands)	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
Non-MBS:
State or local agency obligations	$	18,594	$	(45	)	$	135,519	$	(11,190	)	$	154,113	$	(11,235	)
MBS:
Other U.S. obligations residential MBS	$	149,873	$	(96	)	$	—	$	—		$	149,873	$	(96	)
GSE MBS	101,465		(120		)	14,049		(102		)	115,514		(222		)
Private label MBS:
Private label residential MBS	217,946		(2,603		)	237,157		(13,746		)	455,103		(16,349		)
HELOCs	—		—			8,984		(1,147		)	8,984		(1,147		)
Total private label MBS	217,946		(2,603		)	246,141		(14,893		)	464,087		(17,496		)
Total MBS	$	469,284	$	(2,819	)	$	260,190	$	(14,995	)	$	729,474	$	(17,814	)
Total	$	487,878	$	(2,864	)	$	395,709	$	(26,185	)	$	883,587	$	(29,049	)

	December 31, 2012
	Less than 12 Months					Greater than 12 Months					Total
(in thousands)	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
Non-MBS:
State or local agency obligations	$	—	$	—		$	136,248	$	(14,202	)	$	136,248	$	(14,202	)
MBS:
GSE MBS	$	45,809	$	(3	)	$	17,072	$	(134	)	$	62,881	$	(137	)
Private label MBS:
Private label residential MBS	—		—			464,771		(27,510		)	464,771		(27,510		)
HELOCs	—		—			10,311		(1,796		)	10,311		(1,796		)
Total private label MBS	—		—			475,082		(29,306		)	475,082		(29,306		)
Total MBS	$	45,809	$	(3	)	$	492,154	$	(29,440	)	$	537,963	$	(29,443	)
Total	$	45,809	$	(3	)	$	628,402	$	(43,642	)	$	674,211	$	(43,645	)

Securities Transferred. The Bank had no transfers of securities from HTM to AFS during the first nine months of 2013. During the first nine months of 2012, the Bank transferred one private label MBS from HTM to AFS. See Note 3 - Available-for-Sale Securities for additional information.

Changes in circumstances may cause the Bank to change its intent to hold a certain security to maturity without calling into question its intent to hold other debt securities to maturity in the future. Thus, the transfer or sale of an HTM security due to certain changes in circumstances, such as evidence of significant deterioration in the issuer’s creditworthiness or changes in regulatory requirements, is not considered to be inconsistent with its original classification. Other events that are isolated, nonrecurring, and unusual for the Bank that could not have been reasonably anticipated may cause the Bank to transfer or sell an HTM security without necessarily calling into question its intent to hold other debt securities to maturity.

Redemption Terms. The amortized cost and fair value of HTM securities by contractual maturity as of September 30, 2013 and December 31, 2012 are presented below. Expected maturities of some securities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment fees.

(in thousands)	September 30, 2013				December 31, 2012
Year of Maturity	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Non-MBS:
Due in one year or less	$	350,110	$	350,125	$	401,095	$	401,147
Due after one year through five years	16,814		17,490		24,830		26,113
Due after five years through ten years	28,703		29,296		7,414		7,522
Due after ten years	218,953		211,907		246,225		240,860
HTM securities excluding MBS	614,580		608,818		679,564		675,642
MBS	3,972,724		4,025,860		4,985,390		5,080,113
Total HTM securities	$	4,587,304	$	4,634,678	$	5,664,954	$	5,755,755

Interest Rate Payment Terms. The following table details interest rate payment terms at September 30, 2013 and December 31, 2012.

(in thousands)	September 30, 2013		December 31, 2012
Amortized cost of HTM securities other than MBS:
Fixed-rate	$	447,270	$	507,564
Variable-rate	167,310		172,000
Total non-MBS	$	614,580	$	679,564
Amortized cost of HTM MBS:
Fixed-rate	$	1,421,017	$	1,772,557
Variable-rate	2,551,707		3,212,833
Total MBS	$	3,972,724	$	4,985,390
Total HTM securities	$	4,587,304	$	5,664,954

Note: Certain MBS have a fixed-rate component for a specified period of time, then have a rate reset on a given date. Examples of this type of instrument would include securities supported by underlying 3/1, 5/1, 7/1 and 10/1 hybrid ARMs. In addition, certain of these securities may have a provision within the structure that permits the fixed rate to be adjusted for items such as prepayment, defaults and loan modification. For purposes of the table above, these securities are reported as fixed-rate until the rate reset date is hit. At that point, the security is then considered to be variable-rate.

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Allowance for Credit Losses (Allowance for Credit Losses) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012	Sep. 30, 2013		Sep. 30, 2012	Dec. 31, 2012
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance							$ 14,163
Ending Balance	11,272			11,272			14,163
Total recorded investment	3,319,538	[1]		3,319,538	[1]		3,581,013	[1]
Mortgage loans held for portfolio, net
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	12,208		14,066	14,163		14,344
Charge-offs	(188)		(27)	(810)		(382)
Provision (benefit) for credit losses	(748)		19	(2,081)		96
Ending Balance	11,272		14,058	11,272		14,058
Ending balance, individually evaluated for impairment	785			785			642
Ending balance, collectively evaluated for impairment	10,487			10,487			13,521
Individually evaluated for impairment, with or without a related allowance	15,464			15,464			12,956
Collectively evaluated for impairment	2,965,468			2,965,468			3,190,436
Total recorded investment	2,980,932			2,980,932			3,203,392
Banking on Business Loans
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	2,362		2,773	2,481		3,223
Charge-offs	0		(94)	(134)		(673)
Provision (benefit) for credit losses	(21)		(175)	(6)		(46)
Ending Balance	2,341		2,504	2,341		2,504
Ending balance, individually evaluated for impairment	85			85			100
Ending balance, collectively evaluated for impairment	2,256			2,256			2,381
Individually evaluated for impairment, with or without a related allowance	192			192			280
Collectively evaluated for impairment	13,446			13,446			15,166
Total recorded investment	$ 13,638	[1]		$ 13,638	[1]		$ 15,446	[1]

[1] The recorded investment in a loan is the unpaid principal balance of the loan, adjusted for accrued interest, net deferred loan fees or costs, unamortized premiums or unaccreted discounts, adjustments for fair value hedges and direct write-downs. The recorded investment is not net of any valuation allowance.

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Estimated Fair Values (Carrying Value and Fair Value of Financial Instruments) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012	Dec. 31, 2011
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	$ 57,837	$ 353,590
AFS securities	6,927,169	5,932,248
HTM securities	4,634,678	5,755,755
Derivative assets	49,913	27,803
Mandatorily redeemable capital stock	40	431,566	188,128	45,673
Derivative liabilities	147,351	310,425
Estimate of Fair Value, Fair Value Disclosure
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	3,063,054	1,350,594
Interest-bearing deposits	4,351	11,435
Federal funds sold	3,704,988	4,594,970
Securities purchased under agreement to resell	249,999	2,499,997
Trading securities	57,837	353,590
AFS securities	6,927,169	5,932,248
HTM securities	4,634,678	5,755,755
Advances	39,523,927	40,668,739
Accrued interest receivable	85,088	92,685
Derivative assets	49,913	27,803
Deposits	780,693	999,893
Mandatorily redeemable capital stock	40	431,920
Accrued interest payable	150,223	114,003
Derivative liabilities	147,351	310,425
Carrying (Reported) Amount, Fair Value Disclosure
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	3,063,054	1,350,594
Interest-bearing deposits	4,351	11,435
Federal funds sold	3,705,000	4,595,000
Securities purchased under agreement to resell	250,000	2,500,000
Trading securities	57,837	353,590
AFS securities	6,927,169	5,932,248
HTM securities	4,587,304	5,664,954
Advances	39,505,938	40,497,787
Accrued interest receivable	85,088	92,685
Derivative assets	49,913	27,803
Deposits	780,689	999,891
Mandatorily redeemable capital stock	40	431,566
Accrued interest payable	150,223	114,003
Derivative liabilities	147,351	310,425
Fair Value, Inputs, Level 1 | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	3,063,054	1,350,594
Interest-bearing deposits	0	0
Federal funds sold	0	0
Securities purchased under agreement to resell	0	0
Trading securities	4,182	3,600
AFS securities	1,998	1,998
HTM securities	0	0
Advances	0	0
Accrued interest receivable	0	0
Derivative assets	0	0
Deposits	0	0
Mandatorily redeemable capital stock	40	431,920
Accrued interest payable	0	0
Derivative liabilities	0	0
Fair Value, Inputs, Level 2 | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	0	0
Interest-bearing deposits	4,351	11,435
Federal funds sold	3,704,988	4,594,970
Securities purchased under agreement to resell	249,999	2,499,997
Trading securities	53,655	349,990
AFS securities	5,730,421	4,505,016
HTM securities	3,700,216	4,551,752
Advances	39,523,927	40,668,739
Accrued interest receivable	85,088	92,685
Derivative assets	266,542	313,622
Deposits	780,693	999,893
Mandatorily redeemable capital stock	0	0
Accrued interest payable	150,223	114,003
Derivative liabilities	840,703	884,703
Fair Value, Inputs, Level 3 | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	0	0
Interest-bearing deposits	0	0
Federal funds sold	0	0
Securities purchased under agreement to resell	0	0
Trading securities	0	0
AFS securities	1,194,750	1,425,234
HTM securities	934,462	1,204,003
Advances	0	0
Accrued interest receivable	0	0
Derivative assets	0	0
Deposits	0	0
Mandatorily redeemable capital stock	0	0
Accrued interest payable	0	0
Derivative liabilities	0	0
Netting and Collateral | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	0	0
Interest-bearing deposits	0	0
Federal funds sold	0	0
Securities purchased under agreement to resell	0	0
Trading securities	0	0
AFS securities	0	0
HTM securities	0	0
Advances	0	0
Accrued interest receivable	0	0
Derivative assets	(216,629)	(285,819)
Deposits	0	0
Mandatorily redeemable capital stock	0	0
Accrued interest payable	0	0
Derivative liabilities	(693,352)	(574,278)
Mortgage loans held for portfolio, net | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans	3,429,368	3,791,036
Mortgage loans held for portfolio, net | Carrying (Reported) Amount, Fair Value Disclosure
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans	3,277,725	3,532,549
Mortgage loans held for portfolio, net | Fair Value, Inputs, Level 1 | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans	0	0
Mortgage loans held for portfolio, net | Fair Value, Inputs, Level 2 | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans	3,429,368	3,791,036
Mortgage loans held for portfolio, net | Fair Value, Inputs, Level 3 | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans	0	0
Mortgage loans held for portfolio, net | Netting and Collateral | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans	0	0
Banking on Business Loans | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans	11,180	12,846
Banking on Business Loans | Carrying (Reported) Amount, Fair Value Disclosure
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans	11,180	12,846
Banking on Business Loans | Fair Value, Inputs, Level 1 | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans	0	0
Banking on Business Loans | Fair Value, Inputs, Level 2 | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans	0	0
Banking on Business Loans | Fair Value, Inputs, Level 3 | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans	11,180	12,846
Banking on Business Loans | Netting and Collateral | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans	0	0
Discount Notes | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Discount notes	21,984,606	24,150,089
Discount Notes | Carrying (Reported) Amount, Fair Value Disclosure
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Discount notes	21,983,019	24,148,453
Discount Notes | Fair Value, Inputs, Level 1 | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Discount notes	0	0
Discount Notes | Fair Value, Inputs, Level 2 | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Discount notes	21,984,606	24,150,089
Discount Notes | Fair Value, Inputs, Level 3 | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Discount notes	0	0
Discount Notes | Netting and Collateral | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Discount notes	0	0
Consolidated Obligation Bonds | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Bonds	35,471,444	35,777,834
Consolidated Obligation Bonds | Carrying (Reported) Amount, Fair Value Disclosure
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Bonds	35,225,393	35,135,608
Consolidated Obligation Bonds | Fair Value, Inputs, Level 1 | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Bonds	0	0
Consolidated Obligation Bonds | Fair Value, Inputs, Level 2 | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Bonds	35,471,444	35,777,834
Consolidated Obligation Bonds | Fair Value, Inputs, Level 3 | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Bonds	0	0
Consolidated Obligation Bonds | Netting and Collateral | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Bonds	$ 0	$ 0

XML

Mortgage Loans Held for Portfolio (Tables)

9 Months Ended

Sep. 30, 2013

Mortgage Loans Held For Portfolio [Abstract]

Schedule of Mortgage Loans Held for Portfolio

The following table presents balances as of September 30, 2013 and December 31, 2012 for mortgage loans held for portfolio.

(in thousands)	September 30, 2013			December 31, 2012
Fixed medium-term single-family mortgages (1)	$	510,184		$	563,312
Fixed long-term single-family mortgages (1)	2,714,817			2,922,897
Total par value	3,225,001			3,486,209
Premiums	50,874			51,637
Discounts	(6,445		)	(8,212		)
Hedging adjustments	19,567			17,078
Total mortgage loans held for portfolio	$	3,288,997		$	3,546,712

Note:

⁽¹⁾ Medium-term is defined as a term of 15 years or less at origination. Long-term is defined as greater than 15 years at origination.

Mortgage Loans Held for Portfolio by Collateral or Guarantee Type

The following table details the par value of mortgage loans held for portfolio outstanding categorized by type as of September 30, 2013 and December 31, 2012.

(in thousands)	September 30, 2013		December 31, 2012
Government-guaranteed/insured loans	$	313,694	$	350,133
Conventional loans	2,911,307		3,136,076
Total par value	$	3,225,001	$	3,486,209

XML

Available-for-Sale (AFS) Securities (Reconciliation of Available-for-Sale Securities OTTI Loss) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Available-for-sale Securities [Abstract]
Noncredit portion of OTTI losses	$ (4,636)	$ (29,674)
Net unrealized gains on OTTI securities since their last OTTI credit charge	71,819	48,673
Net noncredit portion of OTTI losses on AFS securities in AOCI	$ 67,183	$ 18,999

XML

Mortgage Loans Held for Portfolio

9 Months Ended

Sep. 30, 2013

Mortgage Loans Held For Portfolio [Abstract]

Mortgage Loans Held for Portfolio

Mortgage Loans Held for Portfolio

Under the MPF Program, the Bank invests in mortgage loans, which it purchases from its participating members and housing associates. Under the MPF Program, the Bank’s participating members originate, service, and credit enhance residential mortgage loans that are then sold to the Bank. See Note 12 - Transactions with Related Parties for further information regarding transactions with related parties.

The following table presents balances as of September 30, 2013 and December 31, 2012 for mortgage loans held for portfolio.

(in thousands)	September 30, 2013			December 31, 2012
Fixed medium-term single-family mortgages (1)	$	510,184		$	563,312
Fixed long-term single-family mortgages (1)	2,714,817			2,922,897
Total par value	3,225,001			3,486,209
Premiums	50,874			51,637
Discounts	(6,445		)	(8,212		)
Hedging adjustments	19,567			17,078
Total mortgage loans held for portfolio	$	3,288,997		$	3,546,712

Note:

⁽¹⁾ Medium-term is defined as a term of 15 years or less at origination. Long-term is defined as greater than 15 years at origination.

The following table details the par value of mortgage loans held for portfolio outstanding categorized by type as of September 30, 2013 and December 31, 2012.

(in thousands)	September 30, 2013		December 31, 2012
Government-guaranteed/insured loans	$	313,694	$	350,133
Conventional loans	2,911,307		3,136,076
Total par value	$	3,225,001	$	3,486,209

See Note 8 - Allowance for Credit Losses for information related to the Banks' credit risk on mortgage loans and allowance for credit losses.

XML

Estimated Fair Values (Fair Value Measured on Recurring Basis) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013		Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	$ 57,837		$ 353,590
AFS securities	6,927,169		5,932,248
Total Derivative assets	49,913		27,803
Total Derivative liabilities	147,351		310,425
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	4,182		3,600
AFS securities	1,998		1,998
Derivative assets: Interest rate related	0		0
Total Derivative assets	0		0
Total assets at fair value	6,180		5,598
Derivative liabilities: Interest rate related	0		0
Total Derivative liabilities	0	[1]	0	[1]
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	53,655		349,990
AFS securities	5,730,421		4,505,016
Derivative assets: Interest rate related	266,062		313,000
Total Derivative assets	266,542		313,622
Total assets at fair value	6,050,618		5,168,628
Derivative liabilities: Interest rate related	840,699		884,703
Total Derivative liabilities	840,703	[1]	884,703	[1]
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	0		0
AFS securities	1,194,750		1,425,234
Derivative assets: Interest rate related	0		0
Total Derivative assets	0		0
Total assets at fair value	1,194,750		1,425,234
Derivative liabilities: Interest rate related	0		0
Total Derivative liabilities	0	[1]	0	[1]
Fair Value, Measurements, Recurring [Member] | Netting and Collateral
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	0	[2]	0	[2]
AFS securities	0	[2]	0	[2]
Derivative assets: Interest rate related	(216,629)	[2]	(285,819)	[2]
Total Derivative assets	(216,629)	[2]	(285,819)	[2]
Total assets at fair value	(216,629)	[2]	(285,819)	[2]
Derivative liabilities: Interest rate related	(693,352)	[2]	(574,278)	[2]
Total Derivative liabilities	(693,352)	[1],[2]	(574,278)	[1],[2]
Fair Value, Measurements, Recurring [Member] | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	57,837		353,590
AFS securities	6,927,169		5,932,248
Derivative assets: Interest rate related	49,433		27,181
Total Derivative assets	49,913		27,803
Total assets at fair value	7,034,919		6,313,641
Derivative liabilities: Interest rate related	147,347		310,425
Total Derivative liabilities	147,351	[1]	310,425	[1]
Mortgage Delivery Commitments [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets: Mortgage delivery commitments	0		0
Derivative liabilities: Mortgage delivery commitments	0
Mortgage Delivery Commitments [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets: Mortgage delivery commitments	480		622
Derivative liabilities: Mortgage delivery commitments	4
Mortgage Delivery Commitments [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets: Mortgage delivery commitments	0		0
Derivative liabilities: Mortgage delivery commitments	0
Mortgage Delivery Commitments [Member] | Fair Value, Measurements, Recurring [Member] | Netting and Collateral
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets: Mortgage delivery commitments	0	[2]	0	[2]
Derivative liabilities: Mortgage delivery commitments	0
Mortgage Delivery Commitments [Member] | Fair Value, Measurements, Recurring [Member] | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets: Mortgage delivery commitments	480		622
Derivative liabilities: Mortgage delivery commitments	4
US Treasury Bill Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	0		349,990
US Treasury Bill Securities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities			0
US Treasury Bill Securities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities			349,990
US Treasury Bill Securities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities			0
US Treasury Bill Securities [Member] | Fair Value, Measurements, Recurring [Member] | Netting and Collateral
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities			0	[2]
US Treasury Bill Securities [Member] | Fair Value, Measurements, Recurring [Member] | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities			349,990
Mutual Funds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	4,182		3,600
AFS securities	1,998		1,998
Mutual Funds [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	4,182		3,600
AFS securities	1,998		1,998
Mutual Funds [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	0		0
AFS securities	0		0
Mutual Funds [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	0		0
AFS securities	0		0
Mutual Funds [Member] | Fair Value, Measurements, Recurring [Member] | Netting and Collateral
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	0	[2]	0	[2]
AFS securities	0	[2]	0	[2]
Mutual Funds [Member] | Fair Value, Measurements, Recurring [Member] | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	4,182		3,600
AFS securities	1,998		1,998
Other U.S. obligations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities			21,016
Other U.S. obligations [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities			0
Other U.S. obligations [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities			21,016
Other U.S. obligations [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities			0
Other U.S. obligations [Member] | Fair Value, Measurements, Recurring [Member] | Netting and Collateral
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities			0	[2]
Other U.S. obligations [Member] | Fair Value, Measurements, Recurring [Member] | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities			21,016
GSE Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	53,655		0
AFS securities	2,249,793		1,169,344
GSE Securities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	0
AFS securities	0		0
GSE Securities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	53,655
AFS securities	2,249,793		1,169,344
GSE Securities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	0
AFS securities	0		0
GSE Securities [Member] | Fair Value, Measurements, Recurring [Member] | Netting and Collateral
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	0	[2]
AFS securities	0	[2]	0	[2]
GSE Securities [Member] | Fair Value, Measurements, Recurring [Member] | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	53,655
AFS securities	2,249,793		1,169,344
State or local agency obligations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities	14,437		11,130
State or local agency obligations [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities	0		0
State or local agency obligations [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities	14,437		11,130
State or local agency obligations [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities	0		0
State or local agency obligations [Member] | Fair Value, Measurements, Recurring [Member] | Netting and Collateral
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities	0	[2]	0	[2]
State or local agency obligations [Member] | Fair Value, Measurements, Recurring [Member] | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities	14,437		11,130
Other US obligations MBS [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities	400,171		310,705
Other US obligations MBS [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities	0		0
Other US obligations MBS [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities	400,171		310,705
Other US obligations MBS [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities	0		0
Other US obligations MBS [Member] | Fair Value, Measurements, Recurring [Member] | Netting and Collateral
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities	0	[2]	0	[2]
Other US obligations MBS [Member] | Fair Value, Measurements, Recurring [Member] | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities	400,171		310,705
GSE residential MBS [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities	3,066,020		2,992,821
GSE residential MBS [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities	0		0
GSE residential MBS [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities	3,066,020		2,992,821
GSE residential MBS [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities	0		0
GSE residential MBS [Member] | Fair Value, Measurements, Recurring [Member] | Netting and Collateral
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities	0	[2]	0	[2]
GSE residential MBS [Member] | Fair Value, Measurements, Recurring [Member] | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities	3,066,020		2,992,821
Private label residential MBS [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities	1,180,008		1,410,476
Private label residential MBS [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities	0		0
Private label residential MBS [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities	0		0
Private label residential MBS [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities	1,180,008		1,410,476
Private label residential MBS [Member] | Fair Value, Measurements, Recurring [Member] | Netting and Collateral
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities	0	[2]	0	[2]
Private label residential MBS [Member] | Fair Value, Measurements, Recurring [Member] | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities	1,180,008		1,410,476
HELOCs [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities	14,742		14,758
HELOCs [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities	0		0
HELOCs [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities	0		0
HELOCs [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities	14,742		14,758
HELOCs [Member] | Fair Value, Measurements, Recurring [Member] | Netting and Collateral
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities	0	[2]	0	[2]
HELOCs [Member] | Fair Value, Measurements, Recurring [Member] | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS securities	$ 14,742		$ 14,758

[1] Derivative liabilities represent the total liabilities at fair value.

[2] Amounts represent the application of the netting requirements that allow the Bank to settle positive and negative positions and also cash collateral held or placed by the Bank with the same clearing agent and/or counterparties.

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Consolidated Obligations (Contractual Maturity Terms) (Details) (Consolidated Obligation Bonds, USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Consolidated Obligation Bonds
Schedule of Short-term and Long-term Debt [Line Items]
Due in 1 year or less	$ 8,311,720	$ 11,543,105
Due in 1 year or less, Weighted Average Interest Rate	1.41%	1.14%
Due after 1 year through 2 years	8,231,465	5,850,945
Due after 1 year through 2 years, Weighted Average Interest Rate	1.69%	1.94%
Due after 2 years through 3 years	3,766,665	5,617,465
Due after 2 years through 3 years, Weighted Average Interest Rate	1.60%	2.32%
Due after 3 years through 4 years	1,727,840	1,706,240
Due after 3 years through 4 years, Weighted Average Interest Rate	2.44%	3.24%
Due after 4 years through 5 years	4,795,025	2,941,900
Due after 4 years through 5 years, Weighted Average Interest Rate	1.76%	1.86%
Thereafter	7,626,040	6,155,290
Thereafter, Weighted Average Interest Rate	2.12%	2.32%
Index amortizing notes	693,625	974,684
Index amortizing notes, Weighted Average Interest Rate	4.54%	4.48%
Par value of consolidated bonds	$ 35,152,380	$ 34,789,629
Par value of consolidated obligation bonds, Weighted Average Interest Rate	1.81%	1.93%

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Available-for-Sale (AFS) Securities

9 Months Ended

Sep. 30, 2013

Available-for-sale Securities [Abstract]

Available-for-Sale (AFS) Securities

Available-for-Sale (AFS) Securities

The following tables present AFS securities as of September 30, 2013 and December 31, 2012.

	September 30, 2013
(in thousands)	Amortized Cost (1)		OTTI Recognized in AOCI (2)			Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Non-MBS:
Mutual funds	$	1,993	$	—		$	5	$	—		$	1,998
GSE and Tennessee Valley Authority obligations	2,256,608		—			1,859		(8,674		)	2,249,793
State or local agency obligations	15,860		—			67		(1,490		)	14,437
Total non-MBS	$	2,274,461	$	—		$	1,931	$	(10,164	)	$	2,266,228
MBS:
Other U.S. obligations residential MBS	$	401,481	$	—		$	—	$	(1,310	)	$	400,171
GSE MBS	3,080,141		—			12,710		(26,831		)	3,066,020
Private label MBS:
Private label residential MBS	1,115,440		(4,434		)	69,208		(206		)	1,180,008
HELOCs	12,333		(202		)	2,611		—			14,742
Total private label MBS	1,127,773		(4,636		)	71,819		(206		)	1,194,750
Total MBS	$	4,609,395	$	(4,636	)	$	84,529	$	(28,347	)	$	4,660,941
Total AFS securities	$	6,883,856	$	(4,636	)	$	86,460	$	(38,511	)	$	6,927,169

	December 31, 2012
(in thousands)	Amortized Cost (1)		OTTI Recognized in AOCI (2)			Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Non-MBS:
Mutual funds	$	1,993	$	—		$	5	$	—		$	1,998
Other U.S. obligations	21,000		—			16		—			21,016
GSE securities	1,169,850		—			296		(802		)	1,169,344
State or local agency obligations	11,400		—			—		(270		)	11,130
Total non-MBS	$	1,204,243	$	—		$	317	$	(1,072	)	$	1,203,488
MBS:
Other U.S. obligations residential MBS	$	310,541	$	—		$	284	$	(120	)	$	310,705
GSE MBS	2,956,471		—			36,379		(29		)	2,992,821
Private label MBS:
Private label residential MBS	1,391,941		(29,142		)	48,045		(368		)	1,410,476
HELOCs	14,662		(532		)	628		—			14,758
Total private label MBS	1,406,603		(29,674		)	48,673		(368		)	1,425,234
Total MBS	$	4,673,615	$	(29,674	)	$	85,336	$	(517	)	$	4,728,760
Total AFS securities	$	5,877,858	$	(29,674	)	$	85,653	$	(1,589	)	$	5,932,248

Notes:

⁽¹⁾ Amortized cost includes adjustments made to the cost basis of an investment for accretion of discounts and/or amortization of premiums, collection of cash, previous OTTI recognized in earnings, and/or fair value hedge accounting adjustments.

⁽²⁾ Represents the non-credit portion of an OTTI recognized during the life of the security.

The Bank has established a Rabbi trust to secure a portion of the benefits under its supplemental retirement plan. The Rabbi trust assets are invested in mutual funds. These obligations were $4.5 million at both September 30, 2013 and December 31, 2012, as reported in Other liabilities in the Statement of Condition.

As of September 30, 2013, the amortized cost of the Bank’s MBS classified as AFS included net purchased discounts of $7.8 million, credit losses of $252.8 million and OTTI-related accretion adjustments of $1.2 million. As of December 31, 2012, the amortized cost of the Bank’s MBS classified as AFS included net purchased discounts of $8.0 million and credit losses of $293.5 million and OTTI-related accretion adjustments of $1.1 million.

The following table presents a reconciliation of the AFS OTTI loss recognized through AOCI to the total net non-credit portion of OTTI gains on AFS securities in AOCI as of September 30, 2013 and December 31, 2012.

(in thousands)	September 30, 2013			December 31, 2012
Non-credit portion of OTTI losses	$	(4,636	)	$	(29,674	)
Net unrealized gains on OTTI securities since their last OTTI credit charge	71,819			48,673
Net non-credit portion of OTTI gains on AFS securities in AOCI	$	67,183		$	18,999

The following tables summarize the AFS securities with unrealized losses as of September 30, 2013 and December 31, 2012. The unrealized losses are aggregated by major security type and length of time that individual securities have been in a continuous unrealized loss position.

	September 30, 2013
	Less than 12 Months					Greater than 12 Months					Total
(in thousands)	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses (1)
Non-MBS:
GSE and Tennessee Valley Authority obligations	$	1,414,919	$	(8,563	)	$	249,872	$	(111	)	$	1,664,791	$	(8,674	)
State or local agency obligations	4,063		(388		)	8,958		(1,102		)	13,021		(1,490		)
Total non-MBS	$	1,418,982	$	(8,951	)	$	258,830	$	(1,213	)	$	1,677,812	$	(10,164	)
MBS:
Other U.S. obligations residential MBS	$	361,209	$	(1,188	)	$	38,962	$	(122	)	$	400,171	$	(1,310	)
GSE MBS	1,204,151		(26,831		)	—		—			1,204,151		(26,831		)
Private label:
Private label residential MBS	68,052		(1,116		)	61,244		(3,524		)	129,296		(4,640		)
HELOCs	—		—			1,651		(202		)	1,651		(202		)
Total private label MBS	68,052		(1,116		)	62,895		(3,726		)	130,947		(4,842		)
Total MBS	$	1,633,412	$	(29,135	)	$	101,857	$	(3,848	)	$	1,735,269	$	(32,983	)
Total	$	3,052,394	$	(38,086	)	$	360,687	$	(5,061	)	$	3,413,081	$	(43,147	)

	December 31, 2012
	Less than 12 Months					Greater than 12 Months					Total
(in thousands)	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses (1)
Non-MBS:
GSE securities	$	719,190	$	(708	)	$	49,907	$	(94	)	$	769,097	$	(802	)
State or local agency obligations	11,130		(270		)	—		—			11,130		(270		)
Total non-MBS	$	730,320	$	(978	)	$	49,907	$	(94	)	$	780,227	$	(1,072	)
MBS:
Other U.S. obligations residential MBS	$	94,848	$	(120	)	$	—	$	—		$	94,848	$	(120	)
GSE MBS	72,619		(29		)	—		—			72,619		(29		)
Private label:
Private label residential MBS	12,728		(60		)	521,311		(29,450		)	534,039		(29,510		)
HELOCs	—		—			3,230		(532		)	3,230		(532		)
Total private label MBS	12,728		(60		)	524,541		(29,982		)	537,269		(30,042		)
Total MBS	$	180,195	$	(209	)	$	524,541	$	(29,982	)	$	704,736	$	(30,191	)
Total	$	910,515	$	(1,187	)	$	574,448	$	(30,076	)	$	1,484,963	$	(31,263	)

Note:

⁽¹⁾ Total unrealized losses equal the sum of “OTTI Recognized in AOCI” and “Gross Unrealized Losses” in the first two tables of this Note 3.

Securities Transferred.  The Bank may transfer investment securities from HTM to AFS when an OTTI credit loss has been recorded on the security. The Bank believes that a credit loss constitutes evidence of a significant decline in the issuer’s creditworthiness. The Bank transfers these securities to increase its flexibility to sell the securities if management determines it is prudent to do so. Refer to description in Note 4 - Held-to-Maturity Securities. The Bank transferred no private label MBS from HTM to AFS during the first nine months of 2013 and one during the first nine months of 2012. This security had an OTTI credit loss recorded during the period in which it was transferred and had an amortized cost of $11.9 million, an OTTI recognized in OCI of $(0.7) million, and a fair value of $11.2 million.

Redemption Terms. The amortized cost and fair value of AFS securities by contractual maturity as of September 30, 2013 and December 31, 2012 are presented below. Expected maturities of some securities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment fees.

(in thousands)	September 30, 2013				December 31, 2012
Year of Maturity	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Due in one year or less	$	201,991	$	202,162	$	201,993	$	201,832
Due after one year through five years	1,453,182		1,449,611		969,850		969,510
Due after five years through ten years	447,630		445,037		21,000		21,016
Due in more than ten years	171,658		169,418		11,400		11,130
AFS securities excluding MBS	2,274,461		2,266,228		1,204,243		1,203,488
MBS	4,609,395		4,660,941		4,673,615		4,728,760
Total AFS securities	$	6,883,856	$	6,927,169	$	5,877,858	$	5,932,248

Interest Rate Payment Terms.  The following table details interest payment terms at September 30, 2013 and December 31, 2012.

(in thousands)	September 30, 2013		December 31, 2012
Amortized cost of AFS securities other than MBS:
Fixed-rate	$	1,689,982	$	504,298
Variable-rate	584,479		699,945
Total non-MBS	$	2,274,461	$	1,204,243
Amortized cost of AFS MBS:
Fixed-rate	$	2,233,019	$	2,050,785
Variable-rate	2,376,376		2,622,830
Total MBS	$	4,609,395	$	4,673,615
Total AFS securities	$	6,883,856	$	5,877,858

Note: Certain MBS have a fixed-rate component for a specified period of time, then have a rate reset on a given date. Examples of this type of instrument would include securities supported by underlying 3/1, 5/1, 7/1 and 10/1 hybrid ARMs. In addition, certain of these securities may have a provision within the structure that permits the fixed rate to be adjusted for items such as prepayment, defaults and loan modification. For purposes of the table above, these securities are reported as fixed-rate until the rate reset date is hit. At that point, the security is then considered to be variable-rate.

Realized Losses on AFS Securities. The following table provides a summary of proceeds and gross losses on sale of one AFS security for the three and nine months ended September 30, 2013 and 2012.

	Three months ended September 30,					Nine months ended September 30,
(in thousands)	2013			2012		2013			2012
Proceeds from sale of AFS securities	$	19,909		$	—	$	19,909		$	—
Gross losses on AFS securities	(41		)	—		(41		)	—

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Statement of Cash Flows (Parenthetical) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Increase (Decrease) in Deposits with Other Federal Home Loan Banks	$ 7,084	$ 5,016
Proceeds from Sale of Available-for-sale Securities	$ 19,909	$ 0

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Estimated Fair Values (Valuation Techniques) (Details)	Sep. 30, 2013 price
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Fair Value Measurements, Valuation Techniques, Number of Third Party Vendor Prices Received	4

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Other-Than-Temporary Impairment (Price Recovery) (Details)	Sep. 30, 2013
Maximum
Other than Temporary Impairment, Disclosure [Line Items]
1 - 6	3.00%
7-12	4.00%
13-18	4.00%
19-30	5.00%
31-54	6.00%
Thereafter	5.60%
Minimum
Other than Temporary Impairment, Disclosure [Line Items]
1 - 6	0.00%
7-12	1.00%
13-18	2.00%
19-30	2.00%
31-54	2.00%
Thereafter	2.30%

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Available-for-Sale (AFS) Securities (Narrative) (Details) (USD $)							9 Months Ended
	Sep. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2013 Private label residential MBS [Member] loan	Sep. 30, 2012 Private label residential MBS [Member] loan	Sep. 30, 2012 Mortgage-backed Securities, Issued by Private Enterprises [Member]	Sep. 30, 2013 SERP [Member]	Dec. 31, 2012 SERP [Member]	Sep. 30, 2013 Available-for-sale Securities MBS [Member]	Dec. 31, 2012 Available-for-sale Securities MBS [Member]
Schedule of Available-for-sale Securities [Line Items]
Supplemental retirement obligation										$ 4,500,000	$ 4,500,000
Net purchased discounts												(7,800,000)	(8,000,000)
Credit losses	(319,441,000)	(322,144,000)	(326,024,000)	(327,179,000)	(328,937,000)	(322,589,000)						(252,800,000)	(293,500,000)
Other Than Temporary Impairment Credit Losses Recognized In Earnings Interest Accretion Adjustment												(1,200,000)	1,100,000
Number of securities transferred from HTM to AFS							0	1
Held to Maturity Securities Transferred to Available for Sale Securities During Period, Amortized Cost Basis									11,900,000
Held to Maturity Securities Transferred to Available for Sale Securities During Period, Other Than Temporary Impairment Recognized in Accumulated Other Comprehensive Income									(700,000)
Held to Maturity Securities Transferred to Available for Sale Securities During Period, Fair Value									$ 11,200,000

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Capital (Mandatorily Redeemable Capital Stock by Contractual Year of Redemption) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012	Dec. 31, 2011
Capital [Abstract]
Due in 1 year or less	$ 0	$ 50
Due after 1 year through 2 years	0	2,323
Due after 2 years through 3 years	40	17,759
Due after 3 years through 4 years	0	124,502
Due after 4 years through 5 years	0	286,932
Total	$ 40	$ 431,566	$ 188,128	$ 45,673

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Consolidated Obligations (Tables)

9 Months Ended

Sep. 30, 2013

Schedule of Short-term and Long-term Debt [Line Items]

Schedule of Maturities of Debt

The following table presents a summary of the Bank’s consolidated obligation bonds outstanding by year of contractual maturity as of September 30, 2013 and December 31, 2012.

	September 30, 2013				December 31, 2012
(dollars in thousands) Year of Contractual Maturity	Amount		Weighted Average Interest Rate		Amount		Weighted Average Interest Rate
Due in 1 year or less	$	8,311,720	1.41	%	$	11,543,105	1.14	%
Due after 1 year through 2 years	8,231,465		1.69		5,850,945		1.94
Due after 2 years through 3 years	3,766,665		1.60		5,617,465		2.32
Due after 3 years through 4 years	1,727,840		2.44		1,706,240		3.24
Due after 4 years through 5 years	4,795,025		1.76		2,941,900		1.86
Thereafter	7,626,040		2.12		6,155,290		2.32
Index amortizing notes	693,625		4.54		974,684		4.48
Total par value	$	35,152,380	1.81	%	$	34,789,629	1.93	%

Schedule of Long-term Debt by Call Feature

The following table presents the Bank’s consolidated obligation bonds outstanding between noncallable and callable as of September 30, 2013 and December 31, 2012.

(in thousands)	September 30, 2013		December 31, 2012
Noncallable	$	22,207,380	$	26,470,629
Callable	12,945,000		8,319,000
Total par value	$	35,152,380	$	34,789,629

Schedule of Maturities of Long-term Debt by Contractual or Next Call Date

The following table presents consolidated obligation bonds outstanding by the earlier of contractual maturity or next call date as of September 30, 2013 and December 31, 2012.

(in thousands) Year of Contractual Maturity or Next Call Date	September 30, 2013		December 31, 2012
Due in 1 year or less	$	20,916,220	$	19,541,605
Due after 1 year through 2 years	7,441,965		4,791,445
Due after 2 years through 3 years	2,091,665		5,242,465
Due after 3 years through 4 years	1,451,840		1,590,240
Due after 4 years through 5 years	1,495,525		1,354,400
Thereafter	1,061,540		1,294,790
Index amortizing notes	693,625		974,684
Total par value	$	35,152,380	$	34,789,629

Consolidated Obligation Bonds

Schedule of Short-term and Long-term Debt [Line Items]

Schedule of Interest Rate Payment Terms for Debt

The following table details interest rate payment terms for consolidated obligation bonds as of September 30, 2013 and December 31, 2012.

(in thousands)	September 30, 2013			December 31, 2012
Par value of consolidated bonds:
Fixed-rate	$	29,204,880		$	31,307,129
Step-up	2,937,500			1,622,500
Floating-rate	3,010,000			1,860,000
Total par value	35,152,380			34,789,629
Bond premiums	92,846			99,090
Bond discounts	(14,379		)	(18,915		)
Hedging adjustments	(5,454		)	265,804
Total book value	$	35,225,393		$	35,135,608

Discount Notes

Schedule of Short-term and Long-term Debt [Line Items]

Schedule of Short-term Debt

The following table details the Bank’s consolidated obligation discount notes, all of which are due within one year, as of September 30, 2013 and December 31, 2012.

(dollars in thousands)	September 30, 2013			December 31, 2012
Book value	$	21,983,019		$	24,148,453
Par value	21,987,100			24,154,343
Weighted average interest rate (1)	0.07		%	0.12		%

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Capital (Mandatorily Redeemable Capital Stock) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013 Institutions	Sep. 30, 2012	Sep. 30, 2013 Institutions		Sep. 30, 2012		Dec. 31, 2012
Capital [Abstract]
Regulatory Stock Repurchased During Period, Value			$ 1,700,000,000
Capital stock, Par value Per Share	$ 100		$ 100				$ 100
Financial Instruments Subject to Mandatory Redemption, Number of Institutions	1		1
Balance, beginning of the period			431,566,000		45,673,000
Due to Withdrawals (includes mergers)			698,000		183,483,000
Other redemptions (1)			(432,224,000)	[1]	(41,028,000)	[1]
Balance, end of the period	40,000	188,128,000	40,000		188,128,000
Dividends on mandatorily redeemable capital stock	$ 317,000	$ 205,000	$ 1,336,000		$ 319,000

[1] Reflects the impact on mandatorily redeemable capital stock related to excess capital stock repurchases.

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Transactions with Related Parties (Narrative) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Related Party Transaction [Line Items]
Net gains (losses) on derivatives and hedging activities	$ 5,396,000	$ 3,482,000	$ 14,132,000	$ 2,641,000
Principal Owner [Member]
Related Party Transaction [Line Items]
Contractual interest income	86,800,000	87,300,000	256,700,000	329,800,000
Net gains (losses) on derivatives and hedging activities	(54,000,000)	(55,600,000)	(160,100,000)	(215,300,000)
Total amortization of basis adjustments	$ (600,000)	$ (1,100,000)	$ (2,200,000)	$ (14,100,000)

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Allowance for Credit Losses (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Financing Receivable, Allowance for Credit Losses [Line Items]
Maximum Exposure Under First Loss Account	$ 26.0		$ 26.0		$ 29.2
Credit Enhancement Fees	0.9	1.0	2.7	3.0
Real Estate Acquired Through Foreclosure	8.3		8.3		10.8
Financing Receivable, Modifications, Recorded Investment	2.4		2.4		2.9
Conventional Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Modifications, Subsequent Default, Recorded Investment			$ 4.6
Troubled Debt Restructuring Modification, Housing Expense Ratio, Maximum	31.00%		31.00%
Troubled Debt Restructuring Modification Incremental Interest Decrease Percent			0.125%
Troubled Debt Restructuring Modification Interest Decrease Floor, Percent			3.00%

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Advances (Interest Rate Payment Terms) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Advances [Abstract]
Fixed rate – overnight	$ 370,137	$ 517,050
Due in 1 year or less	16,057,277	19,625,461
Thereafter	9,281,657	9,728,590
Total Fixed Rate	25,709,071	29,871,101
Variable Rate Due in 1 Year or Less	1,717,542	45,000
Variable Rate, Thereafter	11,478,471	9,754,719
Total Variable Rate	13,196,013	9,799,719
Total par value	$ 38,905,084	$ 39,670,820

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Capital (Dividends and Retained Earnings) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	0 Months Ended			9 Months Ended			0 Months Ended
	Jul. 30, 2013	Apr. 30, 2013	Feb. 23, 2013	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012	Oct. 30, 2013 Subsequent Event	Oct. 16, 2013 Subsequent Event
Capital [Line Items]
Capital stock, Par value Per Share				$ 100		$ 100
Joint Capital Enhancement Agreement Percentage				20.00%
Retained Earnings (Accumulated Deficit)				$ 652,213		$ 559,275
Percent of Average Balance of Outstanding Consolidated Obligations Required per the Joint Capital Enhancement Agreement For Each Previous Quarter				1.00%
Retained Earnings, Unappropriated				600,875		528,767
Retained Earnings, Appropriated				51,338		30,508
Dividends, Per Share, Cash, Annualized Rate	1.00%	0.29%	0.32%				1.50%
Repurchase/redemption of capital stock				$ 1,261,637	$ 436,079			$ 113,000

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Consolidated Obligations

9 Months Ended

Sep. 30, 2013

Debt Disclosure [Abstract]

Consolidated Obligations

Consolidated Obligations

Detailed information regarding consolidated obligations including general terms and interest rate payment terms can be found in Note 14 to the audited financial statements in the Bank's 2012 Form 10-K.

The following table details interest rate payment terms for consolidated obligation bonds as of September 30, 2013 and December 31, 2012.

(in thousands)	September 30, 2013			December 31, 2012
Par value of consolidated bonds:
Fixed-rate	$	29,204,880		$	31,307,129
Step-up	2,937,500			1,622,500
Floating-rate	3,010,000			1,860,000
Total par value	35,152,380			34,789,629
Bond premiums	92,846			99,090
Bond discounts	(14,379		)	(18,915		)
Hedging adjustments	(5,454		)	265,804
Total book value	$	35,225,393		$	35,135,608

Maturity Terms. The following table presents a summary of the Bank’s consolidated obligation bonds outstanding by year of contractual maturity as of September 30, 2013 and December 31, 2012.

	September 30, 2013				December 31, 2012
(dollars in thousands) Year of Contractual Maturity	Amount		Weighted Average Interest Rate		Amount		Weighted Average Interest Rate
Due in 1 year or less	$	8,311,720	1.41	%	$	11,543,105	1.14	%
Due after 1 year through 2 years	8,231,465		1.69		5,850,945		1.94
Due after 2 years through 3 years	3,766,665		1.60		5,617,465		2.32
Due after 3 years through 4 years	1,727,840		2.44		1,706,240		3.24
Due after 4 years through 5 years	4,795,025		1.76		2,941,900		1.86
Thereafter	7,626,040		2.12		6,155,290		2.32
Index amortizing notes	693,625		4.54		974,684		4.48
Total par value	$	35,152,380	1.81	%	$	34,789,629	1.93	%

The following table presents the Bank’s consolidated obligation bonds outstanding between noncallable and callable as of September 30, 2013 and December 31, 2012.

(in thousands)	September 30, 2013		December 31, 2012
Noncallable	$	22,207,380	$	26,470,629
Callable	12,945,000		8,319,000
Total par value	$	35,152,380	$	34,789,629

The following table presents consolidated obligation bonds outstanding by the earlier of contractual maturity or next call date as of September 30, 2013 and December 31, 2012.

(in thousands) Year of Contractual Maturity or Next Call Date	September 30, 2013		December 31, 2012
Due in 1 year or less	$	20,916,220	$	19,541,605
Due after 1 year through 2 years	7,441,965		4,791,445
Due after 2 years through 3 years	2,091,665		5,242,465
Due after 3 years through 4 years	1,451,840		1,590,240
Due after 4 years through 5 years	1,495,525		1,354,400
Thereafter	1,061,540		1,294,790
Index amortizing notes	693,625		974,684
Total par value	$	35,152,380	$	34,789,629

Consolidated Obligation Discount Notes. Consolidated obligation discount notes are issued to raise short-term funds. Discount notes are consolidated obligations with original maturities up to one year. These notes are issued at less than their face amount and redeemed at par value when they mature. The following table details the Bank’s consolidated obligation discount notes, all of which are due within one year, as of September 30, 2013 and December 31, 2012.

(dollars in thousands)	September 30, 2013			December 31, 2012
Book value	$	21,983,019		$	24,148,453
Par value	21,987,100			24,154,343
Weighted average interest rate (1)	0.07		%	0.12		%

Note:

⁽¹⁾ Represents an implied rate.

During the third quarter of 2013, the Bank repurchased $758 million of swapped callable bonds. These early extinguishments resulted in a net gain of $9.6 million.

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Advances

9 Months Ended

Sep. 30, 2013

Advances [Abstract]

Advances

Advances

General Terms. The Bank offers a wide range of fixed- and variable-rate advance products with different maturities, interest rates, payment characteristics and optionality. Fixed-rate advances generally have maturities ranging from one day to 30 years. Variable-rate advances generally have maturities ranging from less than 30 days to 10 years, where the interest rates reset periodically at a fixed spread to LIBOR or other specified indices.

At September 30, 2013 and December 31, 2012, the Bank had advances outstanding, including AHP advances, with interest rates ranging from zero to 7.40%. AHP subsidized loans have interest rates ranging between zero and 5.50%.

The following table details the Bank’s advances portfolio by year of contractual maturity as of September 30, 2013 and December 31, 2012.

(dollars in thousands)	September 30, 2013					December 31, 2012
Year of Contractual Maturity	Amount			Weighted Average Interest Rate		Amount			Weighted Average Interest Rate
Due in 1 year or less	$	18,144,956		0.43	%	$	20,187,511		0.44	%
Due after 1 year through 2 years	7,005,211			1.38		3,869,388			1.02
Due after 2 years through 3 years	3,514,614			3.54		5,297,312			2.29
Due after 3 years through 4 years	5,827,182			1.24		3,634,200			2.74
Due after 4 years through 5 years	3,817,212			2.14		4,404,845			1.41
Thereafter	595,909			2.89		2,277,564			3.71
Total par value	38,905,084			1.21	%	39,670,820			1.25	%
Discount on AHP advances	(163		)			(230		)
Deferred prepayment fees	(13,305		)			(15,230		)
Hedging adjustments	614,322					842,427
Total book value	$	39,505,938				$	40,497,787

The Bank also offers convertible advances. Convertible advances allow the Bank to convert an advance from one interest rate structure to another. When issuing convertible advances, the Bank may purchase put options from a member that allow the Bank to convert the fixed-rate advance to a variable-rate advance at the current market rate or another structure after an agreed-upon lockout period. A convertible advance carries a lower interest rate than a comparable-maturity fixed-rate advance without the conversion feature. Variable to fixed-rate convertible advances have a defined lockout period during which the interest rates adjust based on a spread to LIBOR. At the end of the lockout period, these advances may convert to fixed-rate advances. The fixed rates on the converted advances are determined at origination. At September 30, 2013 and December 31, 2012, the Bank had convertible advances outstanding of $2.2 billion and $2.6 billion, respectively.

The Bank offers certain advances to members that provide a member the right, based upon predetermined option exercise dates, to call the advance prior to maturity without incurring prepayment or termination fees (returnable advances). In exchange for receiving the right to call the advance on a predetermined call schedule, the member pays a higher fixed rate for the advance relative to an equivalent maturity, non-callable, fixed-rate advance. If the call option is exercised, replacement funding may be available. At September 30, 2013 and December 31, 2012, the Bank had returnable advances of $7.0 billion and $6.4 billion, respectively.

The following table summarizes advances by (i) year of contractual maturity or next call date and (ii) year of contractual maturity or next convertible date as of September 30, 2013 and December 31, 2012.

	Year of Contractual Maturity or Next Call Date				Year of Contractual Maturity or Next Convertible Date
(in thousands)	September 30, 2013		December 31, 2012		September 30, 2013		December 31, 2012
Due in 1 year or less	$	18,144,956	$	20,587,511	$	20,299,456	$	22,439,511
Due after 1 year through 2 years	7,005,211		3,869,388		6,906,711		3,778,888
Due after 2 years through 3 years	3,514,614		5,297,312		2,517,114		5,174,812
Due after 3 years through 4 years	5,827,182		3,634,200		5,200,182		2,520,700
Due after 4 years through 5 years	3,817,212		4,404,845		3,436,212		3,812,845
Thereafter	595,909		1,877,564		545,409		1,944,064
Total par value	$	38,905,084	$	39,670,820	$	38,905,084	$	39,670,820

Interest Rate Payment Terms.  The following table details interest rate payment terms for advances as of September 30, 2013 and December 31, 2012.

(in thousands)	September 30, 2013		December 31, 2012
Fixed rate – overnight	$	370,137	$	517,050
Fixed rate – term:
Due in 1 year or less	16,057,277		19,625,461
Thereafter	9,281,657		9,728,590
Total fixed rate	25,709,071		29,871,101
Variable rate:
Due in 1 year or less	1,717,542		45,000
Thereafter	11,478,471		9,754,719
Total variable rate	13,196,013		9,799,719
Total par value	$	38,905,084	$	39,670,820

Credit Risk Exposure and Security Terms. The Bank’s potential credit risk from advances is concentrated in commercial banks and savings institutions. As of September 30, 2013, the Bank had advances of $29.6 billion outstanding to its five largest borrowers, which represented 76.0% of total advances outstanding. Of these five, three had outstanding advance balances in excess of 10% of the total portfolio at September 30, 2013.

As of December 31, 2012, the Bank had advances of $31.7 billion outstanding to the five largest borrowers, which represented 79.9% of total advances outstanding. Of these five, four had outstanding advance balances in excess of 10% of the total portfolio at December 31, 2012.

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Derivatives and Hedging Activities (Derivatives in Statement of Income) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Derivative Instruments, Gain (Loss) [Line Items]
Net Fair Value Hedge Ineffectiveness	$ 3,116	$ 1,329	$ 4,004	$ 3,291
Net gains (losses) related to derivatives not designated as hedging instruments	2,280	2,153	10,128	(650)
Net gains on derivatives and hedging activities (Note 9)	5,396	3,482	14,132	2,641
Interest Rate Swap
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Net Hedge Ineffectiveness Gain (Loss)	3,116	1,329	4,004	3,291
Interest Rate Swap | Economic Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net gains (losses) related to derivatives not designated as hedging instruments	(3,504)	(575)	(11,327)	(2,000)
Interest Rate Caps and Floors [Member] | Economic Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net gains (losses) related to derivatives not designated as hedging instruments	(894)	(231)	1,535	(2,272)
Net Interest Settlements [Member] | Economic Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net gains (losses) related to derivatives not designated as hedging instruments	5,055	268	14,325	(1,122)
Mortgage Delivery Commitments [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net gains (losses) related to derivatives not designated as hedging instruments	1,619	2,687	5,584	4,732
Other [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net gains (losses) related to derivatives not designated as hedging instruments	$ 4	$ 4	$ 11	$ 12

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Estimated Fair Values

9 Months Ended

Sep. 30, 2013

Fair Value Disclosures [Abstract]

Estimated Fair Values

Estimated Fair Values

Fair value amounts, have been determined by the Bank using available market information and the Bank’s best judgment of appropriate valuation methods. These estimates are based on pertinent information available to the Bank at September 30, 2013 and December 31, 2012. Although the Bank uses its best judgment in estimating the fair value of these financial instruments, there are inherent limitations in any valuation technique. Therefore, these fair values are not necessarily equal to the amounts that would be realized in current market transactions, although they do reflect the Bank’s judgment of how a market participant would estimate the fair values.

The carrying value and estimated fair value of the Bank’s financial instruments at September 30, 2013 and December 31, 2012 are presented in the table below. This table does not represent an estimate of the overall market value of the Bank as a going-concern, which would take into account future business opportunities and the net profitability of assets and liabilities.

Fair Value Summary Table
	September 30, 2013
(in thousands)	Carrying Value		Level 1		Level 2		Level 3		Netting Adjust.			Estimated Fair Value
Assets:
Cash and due from banks	$	3,063,054	$	3,063,054	$	—	$	—	$	—		$	3,063,054
Interest-bearing deposits	4,351		—		4,351		—		—			4,351
Federal funds sold	3,705,000		—		3,704,988		—		—			3,704,988
Securities purchased under agreements to resell	250,000		—		249,999		—		—			249,999
Trading securities	57,837		4,182		53,655		—		—			57,837
AFS securities	6,927,169		1,998		5,730,421		1,194,750		—			6,927,169
HTM securities	4,587,304		—		3,700,216		934,462		—			4,634,678
Advances	39,505,938		—		39,523,927		—		—			39,523,927
Mortgage loans held for portfolio, net	3,277,725		—		3,429,368		—		—			3,429,368
BOB loans, net	11,180		—		—		11,180		—			11,180
Accrued interest receivable	85,088		—		85,088		—		—			85,088
Derivative assets	49,913		—		266,542		—		(216,629		)	49,913
Liabilities:
Deposits	$	780,689	$	—	$	780,693	$	—	$	—		$	780,693
Discount notes	21,983,019		—		21,984,606		—		—			21,984,606
Bonds	35,225,393		—		35,471,444		—		—			35,471,444
Mandatorily redeemable capital stock	40		40		—		—		—			40
Accrued interest payable	150,223		—		150,223		—		—			150,223
Derivative liabilities	147,351		—		840,703		—		(693,352		)	147,351

	December 31, 2012
(in thousands)	Carrying Value		Level 1		Level 2		Level 3		Netting Adjust.			Estimated Fair Value
Assets:
Cash and due from banks	$	1,350,594	$	1,350,594	$	—	$	—	$	—		$	1,350,594
Interest-bearing deposits	11,435		—		11,435		—		—			11,435
Federal funds sold	4,595,000		—		4,594,970		—		—			4,594,970
Securities purchased under agreements to resell	2,500,000		—		2,499,997		—		—			2,499,997
Trading securities	353,590		3,600		349,990		—		—			353,590
AFS securities	5,932,248		1,998		4,505,016		1,425,234		—			5,932,248
HTM securities	5,664,954		—		4,551,752		1,204,003		—			5,755,755
Advances	40,497,787		—		40,668,739		—		—			40,668,739
Mortgage loans held for portfolio, net	3,532,549		—		3,791,036		—		—			3,791,036
BOB loans, net	12,846		—		—		12,846		—			12,846
Accrued interest receivable	92,685		—		92,685		—		—			92,685
Derivative assets	27,803		—		313,622		—		(285,819		)	27,803
Liabilities:
Deposits	$	999,891	$	—	$	999,893	$	—	$	—		$	999,893
Discount notes	24,148,453		—		24,150,089		—		—			24,150,089
Bonds	35,135,608		—		35,777,834		—		—			35,777,834
Mandatorily redeemable capital stock	431,566		431,920		—		—		—			431,920
Accrued interest payable	114,003		—		114,003		—		—			114,003
Derivative liabilities	310,425		—		884,703		—		(574,278		)	310,425

Fair Value Hierarchy. The Bank records trading securities, AFS securities, derivative assets and derivative liabilities at fair value. The fair value hierarchy is used to prioritize the inputs used to measure fair value for those assets and liabilities carried at fair value on the Statement of Condition. The inputs are evaluated and an overall level for the fair value measurement is determined. This overall level is an indication of the market observability of the fair value measurement for the asset or liability.

The fair value hierarchy prioritizes the inputs used to measure fair value into three broad levels:

Level 1 Inputs - Quoted prices (unadjusted) for identical assets or liabilities in an active market that the reporting entity can access on the measurement date.

Level 2 Inputs - Inputs other than quoted prices within Level 1 that are observable inputs for the asset or liability, either directly or indirectly. If the asset or liability has a specified (contractual) term, a Level 2 input must be observable for substantially the full term of the asset or liability. Level 2 inputs include the following: (1) quoted prices for similar assets or liabilities in active markets; (2) quoted prices for identical or similar assets or liabilities in markets that are not active or in which little information is released publicly; (3) inputs other than quoted prices that are observable for the asset or liability (e.g., interest rates and yield curves that are observable at commonly quoted intervals, and implied volatilities); and (4) inputs that are derived principally from or corroborated by observable market data by correlation or other means.

Level 3 Inputs - Unobservable inputs for the asset or liability.

The Bank reviews its fair value hierarchy classifications on a quarterly basis. Changes in the observability of the valuation inputs may result in a reclassification within the fair value hierarchy of certain assets or liabilities. These reclassifications are reported as transfers in/out of the level as of the beginning of the quarter in which the changes occur. There were no such transfers during the nine months ended September 30, 2013 and 2012.

Summary of Valuation Methodologies and Primary Inputs

Cash and Due from Banks. The fair values equal the carrying values.

Interest Bearing Deposits. The fair value is determined by calculating the present value of the future cash flows. The discount rates used in these calculations are the rates for interest-bearing deposits with similar terms.

Federal Funds Sold. The fair value of Federal funds sold is determined by calculating the present value of the future cash flows. The discount rates used in these calculations are the rates for Federal funds with similar terms.

Securities Purchased Under Agreement to Resell. The fair values are determined by calculating the present value of the future cash flows. The discount rates used in these calculations are the rates for securities with similar terms. For securities with variable rates or fixed rates with three months or less to maturity or repricing, the fair values approximate the carrying values.

Investment Securities – non-MBS. The Bank uses the income approach to determine the estimated fair value of non-MBS investment securities. The significant inputs include a market-observable interest rate curve and a discount spread, if applicable. The market-observable interest rate curves used by the Bank and the related instrument types they measure are as follows:

• Treasury curve: U.S. Treasury obligations

• LIBOR Swap curve: certificates of deposit

• CO curve: Government-sponsored enterprises, state and local agency, and other U.S. obligations

Investment Securities – MBS.  To value MBS holdings, the Bank obtains prices from four designated third-party pricing vendors, when available. The pricing vendors use various proprietary models to price MBS. The inputs to those models are derived from various sources including, but not limited to: benchmark yields, reported trades, dealer estimates, issuer spreads, benchmark securities, bids, offers and other market-related data. Since many MBS do not trade on a daily basis, the pricing vendors use available information as applicable such as benchmark curves, benchmarking of like securities, sector groupings and matrix pricing to determine the prices for individual securities. Each pricing vendor has an established challenge process in place for all MBS valuations, which facilitates resolution of potentially erroneous prices identified by the Bank. The Bank considers these inputs to be Level 2 inputs. However, based on the current lack of significant market activity for private label residential MBS, the Bank believes as of September 30, 2013 private label residential MBS inputs should be classified as Level 3.

During the year, the Bank conducts reviews of the four pricing vendors to enhance its understanding of the vendors' pricing processes, methodologies and control procedures for agency and private label MBS. To the extent available, the Bank also reviews the vendors' independent auditors' reports regarding the internal controls over their valuation processes.

The Bank's valuation technique first requires the establishment of a median price for each security. All prices that are within a specified tolerance threshold of the median price are included in the cluster of prices that are averaged to compute a default price. Prices that are outside the threshold (outliers) are subject to further analysis (including, but not limited to, comparison to prices provided by an additional third-party valuation service, prices for similar securities, and/or non-binding dealer estimates) to determine if an outlier is a better estimate of fair value. If an outlier (or some other price identified in the analysis) is determined to be a better estimate of fair value, then the outlier (or the other price as appropriate) is used as the final price rather than the default price. If, on the other hand, the analysis confirms that an outlier (or outliers) is (are) in fact not representative of fair value and the default price is the best estimate, then the default price is used as the final price. In all cases, the final price is used to determine the fair value of the security. If all prices received for a security are outside the tolerance threshold level of the median price, then there is no default price, and the final price is determined by an evaluation of all outlier prices as described above.

As an additional step, the Bank reviewed the final fair value estimates of its private-label MBS holdings as of September 30, 2013 for reasonableness using an implied yield test. On certain securities, the Bank calculated an implied yield using the estimated fair value derived from the process described above and the security's projected cash flows from the Bank's OTTI process and compared such yield to the market yield for comparable securities according to dealers and other third-party sources to the extent comparable market yield data was available. This analysis did not indicate that any adjustments to the fair value estimates were necessary.

As of September 30, 2013, four vendor prices were received for a majority of the Bank's MBS holdings, and the final prices for a majority of those securities were computed by averaging the four prices. Based on the Bank's reviews of the pricing methods and controls employed by the third-party pricing vendors and the relative lack of dispersion among the vendor prices (or, in those instances in which there were outliers or significant yield variances, the Bank's additional analyses), the Bank believes the final prices are representative of the prices that would have been received if the assets had been sold at the measurement date (i.e., exit prices) and further that the fair value measurements are classified appropriately in the fair value hierarchy.

Mutual Funds Offsetting Deferred Compensation and Employee Benefit Plan Obligations. Fair values for publicly traded mutual funds are based on quoted market prices.

Advances. The Bank determines the fair value by calculating the present value of expected future cash flows from the advances. The discount rates used in these calculations are equivalent to the replacement advance rates for advances with similar terms. The inputs used to determine fair value of advances are the LIBOR curve, a volatility assumption for advances with optionality, and a spread adjustment.

Mortgage Loans Held For Portfolio. The fair value is determined based on quoted market prices for new MBS issued by U.S. GSEs. Prices are then adjusted for differences in coupon, seasoning and credit quality between the Bank’s mortgage loans and the referenced MBS. The prices of the referenced MBS are highly dependent upon the underlying prepayment assumptions priced in the secondary market. Changes in the prepayment rates can have a material effect on the fair value estimates. Prepayment assumptions are susceptible to material changes in the near term because they are made at a specific point in time.

Accrued Interest Receivable and Payable. The fair values approximate the carrying values.

Derivative Assets/Liabilities. The Bank bases the fair values of derivatives with similar terms on market prices, when available. However, market prices do not exist for many types of derivative instruments. Consequently, fair values for these instruments are estimated using standard valuation techniques such as discounted cash flow analysis and comparisons to similar instruments. Estimates developed using these methods are highly subjective and require judgment regarding significant matters such as the amount and timing of future cash flows, volatility of interest rates and the selection of discount rates that appropriately reflect market and credit risks. The use of different assumptions could have a material effect on the fair value estimates. Because these estimates are made as of a specific point in time, they are susceptible to material near-term changes.

The Bank is subject to credit risk on bilateral derivatives transactions due to the potential nonperformance by the derivatives counterparties, all of which are highly rated institutions. To mitigate this risk, the Bank has entered into netting arrangements for its derivative transactions. In addition, the Bank has entered into bilateral security agreements with all active derivatives counterparties that provide for delivery of collateral at specified levels tied to those counterparties’ credit ratings to limit the Bank’s net unsecured credit exposure to these counterparties. For cleared derivatives, the Bank's credit risk exposure is mitigated because a central counterparty is substituted for individual counterparties and collateral is posted daily for changes in the value of cleared derivatives. The Bank has evaluated the potential for the fair value of the instruments to be affected by counterparty credit risk and has determined that no adjustments were significant or necessary to the overall fair value measurements.

The fair values of the Bank’s derivative assets and liabilities include accrued interest receivable/payable and cash collateral remitted to/received from counterparties. The estimated fair values of the accrued interest receivable/payable and cash collateral approximate their carrying values due to their short-term nature. The fair values of derivatives are netted by counterparty pursuant to the provisions of each of the Bank’s netting agreements. If these netted amounts are positive, they are classified as an asset; if negative, a liability.

The discounted cash flow analysis used to determine the fair value of derivative instruments utilizes market-observable inputs (inputs that are actively quoted and can be validated to external sources). Inputs by class of derivative are as follows:

Interest-rate related:

• Discount rate assumption. OIS curve.

• Forward interest rate assumption. LIBOR Swap Curve.

• Volatility assumption. Market-based expectations of future interest rate volatility implied from current market prices for similar options.

Mortgage delivery commitments:

• To Be Announced (TBA) securities prices. Market-based prices of TBAs are determined by coupon class and expected term until settlement.

BOB Loans. The fair value approximates the carrying value.

Deposits. The Bank determines the fair value by calculating the present value of expected future cash flows from the deposits. The discount rates used in these calculations are the cost of deposits with similar terms.

Consolidated Obligations. The Bank’s internal valuation model determines fair values of consolidated obligations bonds and discount notes by calculating the present value of expected cash flows using market-based yield curves. The inputs used to determine fair value of consolidated obligations are a CO curve and a LIBOR swap curve, a volatility assumption for consolidated obligations with optionality, and a spread adjustment.

Mandatorily Redeemable Capital Stock. The fair value of capital stock subject to mandatory redemption is generally equal to its par value as indicated by contemporaneous member purchases and sales at par value. Fair value also includes an estimated dividend earned at the time of reclassification from equity to liabilities, until such amount is paid, and any subsequently-declared dividend. FHLBank stock can only be acquired and redeemed at par value. FHLBank stock is not traded and no market mechanism exists for the exchange of stock outside the FHLBank System's cooperative structure.

Commitments. For fixed-rate loan commitments, fair value also considers the difference between current levels of interest rates and the committed rates. The fair value of standby letters of credit is based on the present value of fees currently charged for similar agreements or on the estimated cost to terminate them or otherwise settle the obligations with the counterparties. The fair value of the Bank's commitments to extend credit for advances and letters of credit was immaterial at September 30, 2013 and December 31, 2012.

Subjectivity of Estimates. Estimates of the fair value of financial assets and liabilities using the methods described above are highly subjective and require judgments regarding significant matters such as the amount and timing of future cash flows, prepayment speed assumptions, expected interest rate volatility, possible distributions of future interest rates used to value options, and the selection of discount rates that appropriately reflect market and credit risks. The use of different assumptions could have a material effect on the fair value estimates. These estimates are susceptible to material near term changes because they are made as of a specific point in time.

Fair Value on a Recurring Basis. The following tables present, for each hierarchy level, the Bank’s assets and liabilities that are measured at fair value on a recurring basis on its Statement of Condition at September 30, 2013 and December 31, 2012.

	September 30, 2013
(in thousands)	Level 1		Level 2		Level 3		Netting Adjustment(1)			Total
Assets:
Trading securities:
GSE securities	$	—	$	53,655	$	—	$	—		$	53,655
Mutual funds	4,182		—		—		—			4,182
Total trading securities	$	4,182	$	53,655	$	—	$	—		$	57,837
AFS securities:
GSE securities	$	—	$	2,249,793	$	—	$	—		$	2,249,793
State or local agency obligations	—		14,437		—		—			14,437
Mutual funds	1,998		—		—		—			1,998
Other U.S. obligations residential MBS	—		400,171		—		—			400,171
GSE MBS	—		3,066,020		—		—			3,066,020
Private label MBS:
Private label residential MBS	—		—		1,180,008		—			1,180,008
HELOCs	—		—		14,742		—			14,742
Total AFS securities	$	1,998	$	5,730,421	$	1,194,750	$	—		$	6,927,169
Derivative assets:
Interest rate related	$	—	$	266,062	$	—	$	(216,629	)	$	49,433
Mortgage delivery commitments	—		480		—		—			480
Total derivative assets	$	—	$	266,542	$	—	$	(216,629	)	$	49,913
Total assets at fair value	$	6,180	$	6,050,618	$	1,194,750	$	(216,629	)	$	7,034,919
Liabilities:
Derivative liabilities:
Interest rate related	$	—	$	840,699	$	—	$	(693,352	)	$	147,347
Mortgage delivery commitments	—		4		—		—			4
Total derivative liabilities (2)	$	—	$	840,703	$	—	$	(693,352	)	$	147,351

	December 31, 2012
(in thousands)	Level 1		Level 2		Level 3		Netting Adjustment(1)			Total
Assets:
Trading securities:
U.S. Treasury bills	$	—	$	349,990	$	—	$	—		$	349,990
Mutual funds	3,600		—		—		—			3,600
Total trading securities	$	3,600	$	349,990	$	—	$	—		$	353,590
AFS securities:
Other U.S. obligations	$	—	$	21,016	$	—	$	—		$	21,016
GSE securities	—		1,169,344		—		—			1,169,344
State or local agency obligations	—		11,130		—		—			11,130
Mutual funds	1,998		—		—		—			1,998
Other U.S. obligations residential MBS	—		310,705		—		—			310,705
GSE MBS	—		2,992,821		—		—			2,992,821
Private label MBS:
Private label residential MBS	—		—		1,410,476		—			1,410,476
HELOCs	—		—		14,758		—			14,758
Total AFS securities	$	1,998	$	4,505,016	$	1,425,234	$	—		$	5,932,248
Derivative assets:
Interest rate related	$	—	$	313,000	$	—	$	(285,819	)	$	27,181
Mortgage delivery commitments	—		622		—		—			622
Total derivative assets	$	—	$	313,622	$	—	$	(285,819	)	$	27,803
Total assets at fair value	$	5,598	$	5,168,628	$	1,425,234	$	(285,819	)	$	6,313,641
Liabilities:
Derivative liabilities:
Interest rate related	$	—	$	884,703	$	—	$	(574,278	)	$	310,425
Total derivative liabilities (2)	$	—	$	884,703	$	—	$	(574,278	)	$	310,425

Notes:

⁽¹⁾ Amounts represent the application of the netting requirements that allow the Bank to settle positive and negative positions and also cash collateral held or placed by the Bank with the same clearing agent and/or counterparties.

⁽²⁾ Derivative liabilities represent the total liabilities at fair value.

There were no transfers between Levels 1 and 2 during the first nine months of 2013 or 2012.

Level 3 Disclosures for all Assets and Liabilities That Are Measured at Fair Value on a Recurring Basis. The following table presents a reconciliation of all assets and liabilities that are measured at fair value on the Statement of Condition using significant unobservable inputs (Level 3) for the first nine months of 2013 and 2012. For instruments carried at fair value, the Bank reviews the fair value hierarchy classifications on a quarterly basis. Changes in the observability of the valuation attributes may result in a reclassification of certain financial assets or liabilities. Such reclassifications are reported as transfers in/out at fair value in the quarter in which the changes occur. Transfers are reported as of the beginning of the period.

(in thousands)	AFS Private Label MBS-Residential Nine Months Ended September 30, 2013			AFS Private Label MBS- HELOCs Nine Months Ended September 30, 2013
Balance at January 1	$	1,410,476		$	14,758
Total gains (losses) (realized/unrealized) included in:
Accretion of credit losses in interest income	(2,857		)	600
Net OTTI losses, credit portion	(345		)	(97		)
Net unrealized gains on AFS in OCI	162			—
Reclassification of non-credit portion included in net income	345			97
Net change in fair value on OTTI AFS in OCI	24,362			233
Unrealized gains on OTTI AFS and included in OCI	21,164			1,983
Purchases, issuances, sales, and settlements:
Settlements	(273,299		)	(2,832		)
Balance at September 30	$	1,180,008		$	14,742
Total amount of (losses) for the period presented included in earnings attributable to the change in unrealized gains or losses relating to assets and liabilities still held at September 30, 2013	$	(345	)	$	(97	)

(in thousands)	AFS Private Label MBS-Residential Nine Months Ended September 30, 2012			AFS Private Label MBS- HELOCs Nine Months Ended September 30, 2012
Balance at January 1	$	1,631,361		$	15,073
Total gains (losses) (realized/unrealized) included in:
Accretion of credit losses in interest income	(4,380		)	692
Net OTTI losses, credit portion	(9,866		)	(1,084		)
Net unrealized gains on AFS in OCI	213			—
Reclassification of non-credit portion included in net income	8,411			1,084
Net change in fair value on OTTI AFS in OCI	116,632			1,119
Unrealized gains on OTTI AFS and included in OCI	34,190			171
Purchases, issuances, sales, and settlements:
Settlements	(321,165		)	(2,480		)
Transfer of OTTI securities from HTM to AFS	11,268			—
Balance at September 30	$	1,466,664		$	14,575
Total amount of (losses) for the period presented included in earnings attributable to the change in unrealized gains or losses relating to assets and liabilities still held at September 30, 2012	$	(14,247	)	$	(392	)

During the first nine months of 2013, the Bank transferred no private label MBS from its HTM portfolio to its AFS portfolio in the period in which the OTTI charge was recorded. During the first nine months of 2012, the Bank transferred one private label MBS from its HTM portfolio to its AFS portfolio. Because transfers of OTTI securities are separately reported in the quarter in which they occur, the net OTTI losses and noncredit losses recognized on these securities are not separately reflected in the tables above.

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Capital

9 Months Ended

Sep. 30, 2013

Capital [Abstract]

Capital

Capital

The Bank is subject to three capital requirements under its current capital plan structure and the Finance Agency rules and regulations: (1) risk-based capital; (2) total capital; and (3) leverage capital. See details regarding these requirements and the Bank’s capital plan in Note 17 to the audited financial statements in the Bank’s 2012 Form 10-K.

At September 30, 2013, the Bank was in compliance with all regulatory capital requirements. Mandatorily redeemable capital stock is considered capital for determining the Bank's compliance with its regulatory requirements. At September 30, 2013 and December 31, 2012, all of the Bank's capital stock outstanding was Class B stock.

The following table demonstrates the Bank’s compliance with these capital requirements at September 30, 2013 and December 31, 2012.

	September 30, 2013						December 31, 2012
(dollars in thousands)	Required			Actual			Required			Actual
Regulatory capital requirements:
Risk-based capital	$	1,060,610		$	3,139,874		$	1,029,858		$	3,806,806
Total capital-to-asset ratio	4.0		%	5.1		%	4.0		%	5.9		%
Total regulatory capital	2,462,511			3,139,874			2,584,651			3,806,806
Leverage ratio	5.0		%	7.7		%	5.0		%	8.8		%
Leverage capital	3,078,139			4,709,810			3,230,814			5,710,209

The decrease in the ratios from December 31, 2012 to September 30, 2013 was primarily due to the repurchases of excess capital stock. When the Finance Agency implemented the prompt corrective action provisions of the Housing Act, it established four capital classifications for the FHLBanks: adequately capitalized, undercapitalized, significantly undercapitalized, and critically undercapitalized. On September 25, 2013, the Bank received final notification from the Finance Agency that it was considered to be "adequately capitalized" for the quarter ended June 30, 2013. As of the date of this filing, the Bank has not received final notice from the Finance Agency regarding its capital classification for the quarter ended September 30, 2013.

Capital Concentrations. The following tables present member holdings of 10% or more of the Bank’s total capital stock including mandatorily redeemable capital stock outstanding as of September 30, 2013 and December 31, 2012.

(dollars in thousands)		September 30, 2013
Member		Capital Stock		% of Total
Chase Bank USA, N.A., Wilmington, DE		$	444,000	17.8	%
PNC Bank, N.A., Wilmington, DE	(1)	392,206		15.8
Sovereign Bank, N.A., Wilmington, DE	(2)	378,796		15.2

(dollars in thousands)		December 31, 2012
Member		Capital Stock		% of Total
Sovereign Bank, N.A., Wilmington, DE	(2)	$	652,430	20.1	%
PNC Bank, N.A., Wilmington, DE	(1)	358,945		11.1
Chase Bank USA, N.A., Wilmington, DE		330,066		10.2

Note:

⁽¹⁾ For Bank membership purposes, the principal place of business for PNC Bank, N.A. is Pittsburgh, PA.

⁽²⁾ Effective October 17, 2013, Sovereign Bank changed its name to Santander Bank, N.A., a subsidiary of Banco Santander, which is located in Spain.

Mandatorily Redeemable Capital Stock. Each FHLBank is a cooperative whose member financial institutions and former members own all of the relevant FHLBank's capital stock. Shares cannot be purchased or sold except between an FHLBank and its members at its $100 per share par value, as mandated by each FHLBank's capital plan.

At September 30, 2013 and December 31, 2012, the Bank had $40 thousand and $431.6 million, respectively, in capital stock subject to mandatory redemption with payment subject to a five-year waiting period and the Bank meeting its minimum regulatory capital requirements. For the three and nine months ended September 30, 2013, estimated dividends on mandatorily redeemable capital stock totaling $317 thousand and $1.3 million, respectively, were recorded as interest expense. For the three and nine months ended September 30, 2012, estimated dividends on mandatorily redeemable capital stock totaling $205 thousand and $319 thousand, respectively, were recorded as interest expense.

The following table provides the related dollar amounts for activities recorded in mandatorily redeemable capital stock during the nine months ended September 30, 2013 and 2012.

	Nine months ended September 30,
(in thousands)	2013			2012
Balance, beginning of the period	$	431,566		$	45,673
Capital stock subject to mandatory redemption reclassified from capital stock:
Due to withdrawals (includes mergers)	698			183,483
Redemption of mandatorily redeemable capital stock:
Other redemptions (1)	(432,224		)	(41,028		)
Balance, end of the period	$	40		$	188,128

Note:

⁽¹⁾ Reflects the impact on mandatorily redeemable capital stock related to excess capital stock repurchases.

As of September 30, 2013, the total mandatorily redeemable capital stock reflected the balance for one institution which had been merged out of district and is considered to be a nonmember. This capital stock supports an advance.

The following table shows the amount of mandatorily redeemable capital stock by contractual year of redemption at September 30, 2013 and December 31, 2012.

(in thousands)	September 30, 2013		December 31, 2012
Due in 1 year or less	$	—	$	50
Due after 1 year through 2 years	—		2,323
Due after 2 years through 3 years	40		17,759
Due after 3 years through 4 years	—		124,502
Due after 4 years through 5 years	—		286,932
Total	$	40	$	431,566

The year of redemption in the table above is the end of the five-year redemption period for the mandatorily redeemable capital stock. Under the Finance Agency regulations and the terms of the Bank's Capital Plan, capital stock supporting advances and other activity with the Bank (e.g., letters of credit, mortgage loans, etc.) is not redeemable prior to the payoff or maturity of the associated advance or other activity, which may extend beyond five years.

Dividends and Retained Earnings. As prescribed in the FHLBanks' amended JCEA, each FHLBank is required to contribute 20% of its net income each quarter to a restricted retained earnings (RRE) account until the balance of that account equals at least 1% of that FHLBank's average balance of outstanding consolidated obligations for the previous quarter. These RRE will not be available to pay dividends. At September 30, 2013, retained earnings were $652.2 million, including $600.9 million of unrestricted retained earnings and $51.3 million of RRE.

The Finance Agency has issued regulatory guidance to the FHLBanks relating to capital management and retained earnings. The guidance directs each FHLBank to assess, at least annually, the adequacy of its retained earnings with

consideration given to future possible financial and economic scenarios. The guidance also outlines the considerations that each FHLBank should undertake in assessing the adequacy of the Bank’s retained earnings. The Bank’s retained earnings policy and capital adequacy metric utilize this guidance.

Dividends paid by the Bank are subject to Board approval and may be paid in either capital stock or cash; historically, the Bank has paid cash dividends only. On February 22, 2013, April 30, 2013 and July 30, 2013, the Bank paid dividends equal to an annual yield of 0.32% and 0.29%, and 1.00% respectively. On October 30, 2013, the Bank paid a dividend equal to an annual yield of 1.50%. The dividend in each period was calculated on stockholders' average balances for the previous quarter.

The Bank has repurchased $1.7 billion of excess capital stock during the first nine months of 2013. Currently, the Bank's practice is to repurchase all excess capital stock on a monthly basis. The Bank repurchased approximately $113 million of excess capital stock on October 16, 2013.

The following table summarizes the changes in AOCI for the three months ended September 30, 2013 and 2012.

(in thousands)	Net Unrealized Gains(Losses) on AFS			Non-credit OTTI Gains(Losses) on AFS			Non-credit OTTI Gains(Losses) on HTM		Net Unrealized Gains on Hedging Activities		Pension and Post-Retirement Plans			Total
June 30, 2012	$	18,234		$	(96,703	)	$	—	$	286	$	(403	)	$	(78,586	)
Other comprehensive income (loss) before   reclassification:
Net unrealized gains	17,449			26,851			—		—		—			44,300
Net change in fair value of OTTI securities	—			62,497			—		—		—			62,497
Reclassifications from OCI to net income:
Noncredit OTTI to credit OTTI	—			186			—		—		—			186
Amortization - pension and post-retirement	—			—			—		—		29			29
September 30, 2012	$	35,683		$	(7,169	)	$	—	$	286	$	(374	)	$	28,426
June 30, 2013	$	(16,796	)	$	64,249		$	—	$	287	$	(919	)	$	46,821
Other comprehensive income (loss) before   reclassification:
Net unrealized gains (losses)	(7,115		)	1,706			—		—		—			(5,409		)
Net change in fair value of OTTI securities	—			1,228			—		—		—			1,228
Reclassifications from OCI to net income:
Reclassification adjustment for losses   included in net income	41			—			—		—		—			41
Amortization - pension and post-retirement	—			—			—		—		80			80
September 30, 2013	$	(23,870	)	$	67,183		$	—	$	287	$	(839	)	$	42,761

The following table summarizes the changes in AOCI for the nine months ended September 30, 2013 and 2012.

(in thousands)	Net Unrealized Gains(Losses) on AFS			Non-credit OTTI Gains(Losses) on AFS			Non-credit OTTI Gains(Losses) on HTM			Net Unrealized Gains on Hedging Activities		Pension and Post-Retirement Plans			Total
December 31, 2011	$	5,891		$	(168,114	)	$	—		$	286	$	(428	)	$	(162,365	)
Other comprehensive income (loss) before   reclassification:
Net unrealized gains	29,792			34,361			—			—		—			64,153
Noncredit OTTI losses transferred	—			(662		)	662			—		—			—
Net change in fair value of OTTI securities	—			117,751			—			—		—			117,751
Reclassifications from OCI to net income:
Noncredit OTTI to credit OTTI	—			9,495			(662		)	—		—			8,833
Amortization - pension and post-retirement	—			—			—			—		54			54
September 30, 2012	$	35,683		$	(7,169	)	$	—		$	286	$	(374	)	$	28,426
December 31, 2012	$	35,390		$	18,999		$	—		$	286	$	(970	)	$	53,705
Other comprehensive income (loss) before   reclassification:
Net unrealized gains (losses)	(59,301		)	23,147			—			—		—			(36,154		)
Net change in fair value of OTTI securities	—			24,595			—			—		—			24,595
Reclassifications from OCI to net income:
Reclassification adjustment for losses   included in net income	41			—			—			—		—			41
Noncredit OTTI to credit OTTI	—			442			—			—		—			442
Amortization on hedging activities	—			—			—			1		—			1
Amortization - pension and post-retirement	—			—			—			—		131			131
September 30, 2013	$	(23,870	)	$	67,183		$	—		$	287	$	(839	)	$	42,761

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Document and Entity Information	9 Months Ended
	Sep. 30, 2013	Oct. 31, 2013
Entity Information [Line Items]
Entity Registrant Name	Federal Home Loan Bank of Pittsburgh
Entity Central Index Key	0001330399
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Document Type	10-Q
Document Period End Date	Sep. 30, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q3
Amendment Flag	false
Entity Common Stock, Shares Outstanding		25,080,609

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Capital (Accumulated Other Comprehensive Income (Loss)) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended							3 Months Ended		9 Months Ended							3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 Net Unrealized Gains(Losses) on AFS Available-for-sale Securities	Sep. 30, 2012 Net Unrealized Gains(Losses) on AFS Available-for-sale Securities	Sep. 30, 2013 Net Unrealized Gains(Losses) on AFS Available-for-sale Securities	Sep. 30, 2012 Net Unrealized Gains(Losses) on AFS Available-for-sale Securities	Sep. 30, 2013 Net Unrealized Gains(Losses) on AFS Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]	Jun. 30, 2013 Net Unrealized Gains(Losses) on AFS Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]	Sep. 30, 2012 Net Unrealized Gains(Losses) on AFS Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]	Jun. 30, 2012 Net Unrealized Gains(Losses) on AFS Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]	Dec. 31, 2011 Net Unrealized Gains(Losses) on AFS Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]	Sep. 30, 2013 Noncredit OTTI Gains(Losses) Available-for-sale Securities	Sep. 30, 2012 Noncredit OTTI Gains(Losses) Available-for-sale Securities	Sep. 30, 2013 Noncredit OTTI Gains(Losses) Available-for-sale Securities	Sep. 30, 2012 Noncredit OTTI Gains(Losses) Available-for-sale Securities	Sep. 30, 2012 Noncredit OTTI Gains(Losses) Held-to-maturity Securities	Sep. 30, 2013 Noncredit OTTI Gains(Losses) Held-to-maturity Securities	Jun. 30, 2013 Noncredit OTTI Gains(Losses) Held-to-maturity Securities	Dec. 31, 2012 Noncredit OTTI Gains(Losses) Held-to-maturity Securities	Jun. 30, 2012 Noncredit OTTI Gains(Losses) Held-to-maturity Securities	Sep. 30, 2013 Pension and Post Retirement Plans	Sep. 30, 2012 Pension and Post Retirement Plans	Sep. 30, 2013 Pension and Post Retirement Plans	Sep. 30, 2012 Pension and Post Retirement Plans	Sep. 30, 2013 Total AOCI	Sep. 30, 2012 Total AOCI	Sep. 30, 2013 Total AOCI	Sep. 30, 2012 Total AOCI
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total AOCI income (loss), Beginning of period					$ (16,796)	$ 18,234	$ 35,390	$ 5,891	$ 286	$ 287	$ 286	$ 286	$ 286	$ 64,249	$ (96,703)	$ 18,999	$ (168,114)	$ 0	$ 0	$ 0	$ 0	$ 0	$ (919)	$ (403)	$ (970)	$ (428)	$ 46,821	$ (78,586)	$ 53,705	$ (162,365)
Net unrealized gains (losses)					(7,115)	17,449	(59,301)	29,792						1,706	26,851	23,147	34,361										(5,409)	44,300	(36,154)	64,153
Net change in fair value of OTTI securities	1,228	62,497	24,595	117,751										1,228	62,497	24,595	117,751										1,228	62,497	24,595	117,751
Reclassification of losses included in net income (loss)	(41)	0	(41)	0	41		41																				41		41
Noncredit OTTI to Credit OTTI	0	0	0	(662)											186	442	9,495	(662)										186	442	8,833
Amortization on hedging activities									1																				1
Noncredit OTTI losses transferred from HTM to AFS																	(662)	662
Amortization - Pension and post-retirement	80	29	131	54																			80	29	131	54	80	29	131	54
Total AOCI income (loss), End of period					$ (23,870)	$ 35,683	$ (23,870)	$ 35,683	$ 287	$ 287	$ 286	$ 286	$ 286	$ 67,183	$ (7,169)	$ 67,183	$ (7,169)	$ 0	$ 0	$ 0	$ 0	$ 0	$ (839)	$ (374)	$ (839)	$ (374)	$ 42,761	$ 28,426	$ 42,761	$ 28,426

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Transactions with Related Parties

9 Months Ended

Sep. 30, 2013

Related Party Transactions [Abstract]

Transactions with Related Parties

Transactions with Related Parties

The following table includes significant outstanding related party member balances.

(in thousands)	September 30, 2013		December 31, 2012
Federal funds sold	$	—	$	245,000
Investments	173,630		179,610
Advances	26,758,239		27,399,641
Letters of credit	2,238,796		84,230
MPF loans	1,723,777		2,303,281
Deposits	70,621		5,797
Capital stock	1,333,090		1,477,835

The following table summarizes the effects on the Statement of Income corresponding to the related party member balances above. Amounts related to Federal funds sold, interest income on investments, prepayment fees on advances, letters of credit fees, and interest expense on deposits were immaterial for the periods presented.

	Three months ended September 30,				Nine months ended September 30,
(in thousands)	2013		2012		2013		2012
Interest income on advances (1)	$	32,242	$	30,554	$	94,422	$	100,298
Interest income on MPF loans	24,205		32,416		78,517		102,813

Note:

⁽¹⁾ For the three months and nine months ended September 30, 2013, balances include contractual interest income of $86.8 million and $256.7 million, net interest settlements on derivatives in fair value hedge relationships of $(54.0) million and $(160.1) million and total amortization of basis adjustments of $(0.6) million and $(2.2) million. For the three months and nine months ended September 30, 2012, balances include contractual interest income of $87.3 million and $329.8 million, net interest settlements on derivatives in fair value hedge relationships of $(55.6) million and $(215.3) million and total amortization of basis adjustments of $(1.1) million and $(14.1) million.

The following table includes the MPF activity of the related party members.

	Three months ended September 30,				Nine months ended September 30,
(in thousands)	2013		2012		2013		2012
Total MPF loan volume purchased	$	6,569	$	57,566	$	13,018	$	89,142

The following table summarizes the effect of the MPF activities with FHLBank of Chicago.

	Three months ended September 30,				Nine months ended September 30,
(in thousands)	2013		2012		2013		2012
Servicing fee expense	$	231	$	190	$	681	$	545
Interest income on MPF deposits	—		3		6		6

(in thousands)	September 30, 2013		December 31, 2012
Interest-bearing deposits maintained with FHLBank of Chicago	$	4,351	$	11,435

From time to time, the Bank may borrow from or lend to other FHLBanks on a short-term uncollateralized basis. During the nine months ended September 30, 2013 and 2012, there was no borrowing or lending activity between the Bank and other FHLBanks.

Subject to mutually agreed upon terms, on occasion, an FHLBank may transfer its primary debt obligations to another FHLBank, which becomes the primary obligor on the transferred debt upon completion of the transfer. During the nine months ended September 30, 2013 and 2012, there were no transfers of debt between the Bank and another FHLBank.

From time to time, a member of one FHLBank may be acquired by a member of another FHLBank. When such an acquisition occurs, the two FHLBanks may agree to transfer at fair value the loans of the acquired member to the FHLBank of the surviving member. The FHLBanks may also agree to the purchase and sale of any related hedging instrument. The Bank had no such activity during the nine months ended September 30, 2013 and 2012.

Additional discussions regarding related party transactions can be found in Note 19 to the audited financial statements in the Bank's 2012 Form 10-K.

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Mortgage Loans Held for Portfolio (Collateral or Guarantee Type) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Mortgage Loans on Real Estate [Line Items]
Par value of mortgage loans held for portfolio	$ 3,225,001	$ 3,486,209
Conventional Mortgage Loan [Member]
Mortgage Loans on Real Estate [Line Items]
Par value of mortgage loans held for portfolio	2,911,307	3,136,076
Government Mortgage Loans [Member]
Mortgage Loans on Real Estate [Line Items]
Par value of mortgage loans held for portfolio	$ 313,694	$ 350,133

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Mortgage Loans Held for Portfolio (Details) (USD $) In Thousands, unless otherwise specified											9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2013 Loans Receivable With Fixed Rates Of Interest Medium Term [Member]		Dec. 31, 2012 Loans Receivable With Fixed Rates Of Interest Medium Term [Member]		Sep. 30, 2013 Loans Receivable With Fixed Rates Of Interest Long Term [Member]		Dec. 31, 2012 Loans Receivable With Fixed Rates Of Interest Long Term [Member]		Sep. 30, 2013 Loans Receivable With Fixed Rates Of Interest Long Term [Member]	Sep. 30, 2013 Loans Receivable With Fixed Rates Of Interest Medium Term [Member]
Mortgage Loans on Real Estate [Line Items]
Mortgage Loans on Real Estate, Original Contractual Terms											15 years	15 years
Par value of mortgage loans held for portfolio	$ 3,225,001	$ 3,486,209	$ 510,184	[1]	$ 563,312	[1]	$ 2,714,817	[1]	$ 2,922,897	[1]
Premiums	50,874	51,637
Discounts	(6,445)	(8,212)
Hedging adjustments	19,567	17,078
Total mortgage loans held for portfolio	$ 3,288,997	$ 3,546,712

[1] Medium-term is defined as a term of 15 years or less at origination. Long-term is defined as greater than 15 years at origination.

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Transactions with Related Parties (By Balance Sheet Grouping) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Related Party Transaction [Line Items]
Federal funds sold	$ 3,705,000	$ 4,595,000
Investments	11,572,310	11,950,792
Advances	39,505,938	40,497,787
MPF loans	3,225,001	3,486,209
Capital stock	2,487,621	2,815,965
Principal Owner [Member]
Related Party Transaction [Line Items]
Federal funds sold	0	245,000
Investments	173,630	179,610
Advances	26,758,239	27,399,641
Letters of credit	2,238,796	84,230
MPF loans	1,723,777	2,303,281
Deposits	70,621	5,797
Capital stock	$ 1,333,090	$ 1,477,835