10-Q

 UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)

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

For the quarterly period ended June 30, 2013

OR

o 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: 001-34374

ARLINGTON ASSET INVESTMENT CORP.

(Exact name of Registrant as specified in its charter)

Virginia	54-1873198
(State or Other Jurisdiction of Incorporation or Organization)	(I.R.S. Employer Identification No.)
1001 Nineteenth Street North
Arlington, VA	22209
(Address of Principal Executive Offices)	(Zip Code)

(703) 373-0200

(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. Yes x No o

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 (Sec.232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes x No o

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 definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.

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

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

Number of shares outstanding of each of the registrant’s classes of common stock, as of July 31, 2013:

Title	Outstanding
Class A Common Stock	16,051,626 shares
Class B Common Stock	554,055 shares

ARLINGTON ASSET INVESTMENT CORP.

FORM 10-Q

FOR THE QUARTER ENDED JUNE 30, 2013

INDEX

		Page
PART I—FINANCIAL INFORMATION
Item 1.	Consolidated Financial Statements and Notes—(unaudited)	1
	Consolidated Balance Sheets—June 30, 2013 and December 31, 2012	1
	Consolidated Statements of Comprehensive Income—Three and Six Months Ended June 30, 2013 and 2012	2
	Consolidated Statements of Changes in Equity—Six Months Ended June 30, 2013 and Year Ended December 31, 2012	3
	Consolidated Statements of Cash Flows—Six Months Ended June 30, 2013 and 2012	4
	Notes to Consolidated Financial Statements	5
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	18
Item 3.	Quantitative and Qualitative Disclosures about Market Risk	31
Item 4.	Controls and Procedures	34
PART II—OTHER INFORMATION
Item 1.	Legal Proceedings	36
Item 1A.	Risk Factors	36
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	36
Item 3.	Defaults Upon Senior Securities	36
Item 4.	Mine Safety Disclosures	36
Item 5.	Other Information	36
Item 6.	Exhibits	37
	Signatures	38

PART I

FINANCIAL INFORMATION

Item 1. Financial Statements (unaudited)

ARLINGTON ASSET INVESTMENT CORP.

CONSOLIDATED BALANCE SHEETS

(Dollars in thousands)

(Unaudited)

	June 30, 2013			December 31, 2012
ASSETS
Cash and cash equivalents	$	38,273		$	35,837
Receivables
Interest		5,967			4,869
Sold securities receivable		27,192			26,773
Other		253			644
Mortgage-backed securities, at fair value
Available-for-sale		328,969			199,156
Trading		1,820,168			1,556,440
Other investments		2,125			2,347
Derivative assets, at fair value		49,827			—
Deferred tax assets, net		153,180			162,281
Deposits		32,596			85,652
Prepaid expenses and other assets		1,503			159
Total assets	$	2,460,053		$	2,074,158
LIABILITIES AND EQUITY
Liabilities:
Repurchase agreements	$	1,775,316		$	1,497,191
Interest payable		811			582
Accrued compensation and benefits		2,593			1,542
Dividend payable		14,633			—
Derivative liabilities, at fair value		63,328			76,850
Purchased securities payable		8,363			—
Accounts payable, accrued expenses and other liabilities		14,417			17,837
Long-term debt		40,000			15,000
Total liabilities		1,919,461			1,609,002
Commitments and contingencies		—			—
Equity:
Preferred stock, $0.01 par value, 25,000,000 shares authorized, none issued and outstanding		—			—
Class A common stock, $0.01 par value, 450,000,000 shares authorized, 16,051,626 and 12,560,970 shares issued and outstanding, respectively		160			126
Class B common stock, $0.01 par value, 100,000,000 shares authorized, 554,055 shares issued and outstanding		6			6
Additional paid-in capital		1,725,880			1,638,061
Accumulated other comprehensive income, net of taxes of $7,679 and $429, respectively		49,418			38,985
Accumulated deficit		(1,234,872	)		(1,212,022	)
Total equity		540,592			465,156
Total liabilities and equity	$	2,460,053		$	2,074,158

See notes to consolidated financial statements.

1

ARLINGTON ASSET INVESTMENT CORP.

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(Dollars in thousands, except per share data)

(Unaudited)

	Three Months Ended June 30,						Six Months Ended June 30,
	2013			2012			2013			2012
Interest income	$	23,145		$	16,031		$	41,473		$	29,394
Interest expense
Interest on short-term debt		1,814			994			3,303			1,686
Interest on long-term debt		406			123			521			248
Total interest expense		2,220			1,117			3,824			1,934
Net interest income		20,925			14,914			37,649			27,460
Other loss, net
Investment loss, net		(11,253	)		(8,677	)		(24,782	)		(5,869	)
Other loss		(4	)		(4	)		(8	)		(8	)
Total other loss, net		(11,257	)		(8,681	)		(24,790	)		(5,877	)
Operating income before other expenses		9,668			6,233			12,859			21,583
Other expenses
Compensation and benefits		2,643			2,101			4,992			4,061
Professional services		555			891			1,676			2,475
Business development		30			55			62			72
Occupancy and equipment		111			150			232			245
Communications		46			53			93			105
Other operating expenses		535			460			641			898
Total other expenses		3,920			3,710			7,696			7,856
Income before income taxes		5,748			2,523			5,163			13,727
Income tax provision (benefit)		2,554			379			(1,208	)		821
Net income	$	3,194		$	2,144		$	6,371		$	12,906
Basic earnings per share	$	0.19		$	0.22		$	0.42		$	1.47
Diluted earnings per share	$	0.19		$	0.22		$	0.41		$	1.47
Dividends declared per share	$	0.875		$	0.875		$	1.75		$	1.75
Weighted-average shares outstanding (in thousands)
Basic		16,655			9,726			15,299			8,795
Diluted		16,832			9,733			15,470			8,803
Other comprehensive income, net of taxes
Unrealized gains (losses) for the period on available-for-sale securities (net of taxes of $5,927, $-0-, $9,255, and $-0-, respectively)	$	8,528		$	(4,188	)	$	13,318		$	(9,091	)
Reclassification
Included in investment loss, net, in the statement of comprehensive income related to sales of available-for-sale securities (net of taxes of $2,215, $-0-, $2,370, and $-0-, respectively)		(3,187	)		—			(3,410	)		—
Included in investment loss, net, in the statement of comprehensive income related to other-than-temporary impairment charges on available-for-sale securities (net of taxes of $298, $-0-, $365, and $-0-, respectively)		430			4,531			525			4,531
Comprehensive income	$	8,965		$	2,487		$	16,804		$	8,346

 See notes to consolidated financial statements.

2

ARLINGTON ASSET INVESTMENT CORP.

CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY

(Dollars in thousands)

(Unaudited)

	Class A Common Stock (#)			Class A Amount ($)		Class B Common Stock (#)			Class B Amount ($)		Additional Paid-In Capital			Accumulated Other Comprehensive Income		Accumulated Deficit			Total
Balances, December 31, 2011		7,099,336		$	71		566,112		$	6	$	1,508,713		$	38,367	$	(1,363,785	)	$	183,372
Net income		—			—		—			—		—			—		191,826			191,826
Conversion of Class B shares to Class A shares		12,057			—		(12,057	)		—		—			—		—			—
Issuance of Class A common stock		5,493,750			55		—			—		129,194			—		—			129,249
Repurchase of Class A common stock		(41,790	)		—		—			—		(786	)		—		—			(786	)
Forfeitures of Class A common stock		(2,383	)		—		—			—		(55	)		—		—			(55	)
Amortization of Class A common shares issued as stock-based awards		—			—		—			—		995			—		—			995
Other comprehensive income
Net change in unrealized gain on available-for-sale investment securities, (net of taxes of $429)		—			—		—			—		—			618		—			618
Dividends declared		—			—		—			—		—			—		(40,063	)		(40,063	)
Balances, December 31, 2012		12,560,970			126		554,055			6		1,638,061			38,985		(1,212,022	)		465,156
Net income		—			—		—			—		—			—		6,371			6,371
Issuance of Class A common stock		3,492,667			34		—			—		86,930			—		—			86,964
Forfeitures of Class A common stock		(2,011	)		—		—			—		(51	)		—		—			(51	)
Amortization of Class A common shares issued as stock-based awards		—			—		—			—		940			—		—			940
Other comprehensive income
Net change in unrealized gain on available-for-sale investment securities, (net of taxes of $7,250)		—			—		—			—		—			10,433		—			10,433
Dividends declared		—			—		—			—		—			—		(29,221	)		(29,221	)
Balances, June 30, 2013		16,051,626		$	160		554,055		$	6	$	1,725,880		$	49,418	$	(1,234,872	)	$	540,592

See notes to consolidated financial statements.

3

ARLINGTON ASSET INVESTMENT CORP.

CONSOLIDATED STATEMENTS OF CASH FLOWS

(Dollars in thousands)

(Unaudited)

	Six Months Ended June 30,
	2013			2012
Cash flows from operating activities:
Net income	$	6,371		$	12,906
Adjustments to reconcile net income to net cash provided by operating activities
Net investment loss, net		24,782			5,869
Net discount accretion on mortgage-backed securities		(3,878	)		(5,458	)
Deferred tax provision		1,851			—
Other		943			562
Changes in operating assets
Interest receivable		(1,098	)		(994	)
Other receivables		391			(95	)
Prepaid expenses and other assets		(467	)		692
Changes in operating liabilities
Accounts payable and other liabilities		(3,241	)		1
Accrued compensation and benefits		1,051			(3,613	)
Net cash provided by operating activities		26,705			9,870
Cash flows from investing activities:
Purchases of available-for-sale mortgage-backed securities		(122,840	)		(470	)
Purchases of trading mortgage-backed securities		(964,033	)		(508,374	)
Proceeds from sales of available-for-sale mortgage-backed securities		27,798			—
Proceeds from sales of trading mortgage-backed securities		500,303			112,067
Receipt of principal payments on available-for-sale mortgage-backed securities		2,997			3,423
Receipt of principal payments on trading mortgage-backed securities		81,285			31,143
Payments for purchased securities payable		—			(15,820	)
Proceeds from sold securities receivable		26,773			41,321
Proceeds (payments) from derivatives and deposits, net		48,823			(18,085	)
Other		85			59
Net cash used in investing activities		(398,809	)		(354,736	)
Cash flows from financing activities:
Proceeds from repurchase agreements, net		278,125			315,074
Proceeds from stock issuance, net		86,964			46,015
Proceeds from long-term debt issuance, net		24,038			—
Dividends paid		(14,587	)		(15,104	)
Net cash provided by financing activities		374,540			345,985
Net increase in cash and cash equivalents		2,436			1,119
Cash and cash equivalents, beginning of period		35,837			20,018
Cash and cash equivalents, end of period	$	38,273		$	21,137
Supplemental cash flow information
Cash payments for interest	$	3,579		$	2,028
Cash payments for taxes	$	345		$	274

See notes to consolidated financial statements.

4

ARLINGTON ASSET INVESTMENT CORP.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Dollars in thousands, except per share data)

(Unaudited)

1. Basis of Presentation:

The consolidated financial statements of Arlington Asset Investment Corp. (Arlington Asset) and its subsidiaries (unless the context otherwise provides, collectively, the Company) have been prepared in accordance with accounting principles generally accepted in the United States of America (GAAP) for interim financial information and with the instructions to Form 10-Q. Therefore, they do not include all information required by GAAP for complete financial statements. The interim financial statements reflect all adjustments (consisting only of normal recurring adjustments) which are, in the opinion of management, necessary for a fair statement of the results for the periods presented. All significant intercompany accounts and transactions have been eliminated in consolidation. The results of operations for the three and six months ended June 30, 2013 are not necessarily indicative of the operating results for the entire year or any other subsequent interim period. The Company’s unaudited condensed consolidated financial statements and notes thereto should be read in conjunction with the Company’s audited consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2012.

The preparation of the Company’s financial statements in conformity with GAAP requires the Company to make estimates and assumptions affecting the reported amounts of assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Although the Company based the estimates and assumptions on historical experience, when available, market information, and on various other factors that the Company believes to be reasonable under the circumstances, management exercises significant judgment in the final determination of the estimates. Actual results may differ from these estimates.

Certain amounts in the consolidated financial statements and notes for prior periods have been reclassified to conform to the current period presentation. These reclassifications had no effect on the results of operations of the Company.

2. Financial Instruments:

  Fair Value of Financial Instruments

The accounting principles related to fair value measurements define fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date, not adjusted for transaction costs. Financial Accounting Standards Board (FASB) Accounting Standards Codification (ASC) 820, Fair Value Measurements and Disclosures (ASC 820), establishes a fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value into three broad levels giving the highest priority to quoted prices in active markets for identical assets or liabilities (Level 1) and the lowest priority to unobservable inputs (Level 3) as described below:

Level 1 Inputs— Unadjusted quoted prices in active markets for identical assets or liabilities that are accessible by the Company;

Level 2 Inputs— Quoted prices in markets that are not active or financial instruments for which all significant inputs are observable, either directly or indirectly; and

Level 3 Inputs— Unobservable inputs for the asset or liability, including significant assumptions of the Company and other market participants.

The Company determines fair values for the following assets and liabilities:

Mortgage-backed securities (MBS), at fair value—

Agency-backed MBS - The Company’s agency-backed MBS, the principal and interest payments on which are guaranteed by the Federal National Mortgage Association (Fannie Mae) or the Federal Home Loan Mortgage Corporation (Freddie Mac), are generally classified within Level 2 of the fair value hierarchy as they are valued after considering quoted market prices provided by a broker or dealer, or alternative pricing sources with reasonable levels of price transparency. The Company reviews broker or pricing service quotes to determine whether the quotes are relevant, for example, whether an active market exists to provide price transparency or whether the quote is an indicative price or a binding offer. The independent brokers and dealers providing market prices are those who make markets in or specialists with expertise in the valuation of these financial instruments.

5

Private-label MBS - The Company classifies private-label MBS within Level 3 of the fair value hierarchy because they trade infrequently and, therefore, have little or no price transparency. The Company utilizes present value techniques based on estimated cash flows of the instrument taking into consideration various assumptions derived by management and other assumptions used by other market participants. These assumptions are corroborated by evidence such as historical data, risk characteristics, transactions in similar instruments, and completed or pending transactions, when available. The significant inputs in the Company’s valuation process include default rate, loss severity, prepayment rate and discount rate. In general, significant increases (decreases) in default rate, loss severity or discount rate, in isolation, would result in a significantly lower (higher) fair value measurement.  However, significant increases (decreases) in prepayment rate may result in a significantly higher (lower) fair value measurement. It is difficult to generalize the interrelationships between these significant inputs as the actual results could differ considerably on an individual security basis.  For example, an increase in the default rate may not increase the loss severity rate if actual losses are lower than the average.  Also, changes in discount rates may be greatly influenced by market expectation at any given point based upon many variables not directly related to the MBS market.  Therefore, each significant input is closely analyzed to ascertain the reasonableness for the Company’s valuation purposes.

Establishing fair value is inherently subjective given the volatile and sometimes illiquid markets for these private-label MBS and requires management to make a number of assumptions, including assumptions about the future of interest rates, prepayment rates, discount rates, credit loss rates, and the timing of cash flows and credit losses. The assumptions the Company applies are specific to each security. Although the Company relies on the internal calculations to compute the fair value of these private-label MBS, the Company requests and considers indications of value (mark) from third-party dealers and the actual sales of private-label MBS to assist in the valuation process and calibrate our model.

Other investments—The Company’s other investments consist of investments in equity securities, investment funds, interest-only MBS, and other MBS-related securities. Interest-only MBS is classified within Level 3 of the fair value hierarchy.

Derivative instruments—In the normal course of the Company’s operations, the Company is a party to various financial instruments that are accounted for as derivatives in accordance with ASC 815, Derivatives and Hedging (ASC 815). The derivative instruments that trade in active markets or exchanges are classified within Level 1 of the fair value hierarchy because they are valued using quoted market prices. Other derivative instruments are generally classified within Level 2 of the fair value hierarchy because they are valued using broker or dealer quotations, which are model-based calculations based on market-based inputs, including, but not limited to, contractual terms, market prices, yield curves, credit curves, measures of volatility, prepayment rates and correlations of such inputs.

Other—Cash and cash equivalents, interest receivable, deposits, other receivable, interest payable, accounts payable, accrued expenses and other liabilities are reflected in the consolidated balance sheets at their amortized cost, which approximates fair value because of the short term nature of these instruments and classified within Level 1 of the fair value hierarchy.

 —Sold securities receivable, repurchase agreements and purchased securities payable are reflected in the consolidated balance sheets at the cost basis, which approximates fair value because of the short term nature of these instruments and classified within Level 2 of the fair value hierarchy.

 —Long-term debt represents remaining balances of trust preferred debt and senior debt issued by the Company. Trust preferred debt is classified within Level 3 of the fair value hierarchy and senior debt is classified within Level 1 of the fair value hierarchy.

The estimated fair values of the Company’s financial instruments are as follows:

	June 30, 2013				December 31, 2012
	Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value
Financial assets
Cash and cash equivalents	$	38,273	$	38,273	$	35,837	$	35,837
Interest receivable		5,967		5,967		4,869		4,869
Sold securities receivable		27,192		27,192		26,773		26,773
Other receivables		253		253		644		644
MBS
Agency-backed MBS		1,820,217		1,820,217		1,556,510		1,556,510
Private-label MBS
Senior securities		7,246		7,246		7,519		7,519
Re-REMIC securities		321,674		321,674		191,567		191,567
Derivative assets		49,827		49,827		—		—
Other investments		2,125		2,125		2,347		2,347
Deposits		32,596		32,596		85,652		85,652
Financial liabilities
Repurchase agreements		1,775,316		1,775,316		1,497,191		1,497,191
Purchased securities payable		8,363		8,363		—		—
Interest payable		811		811		582		582
Long-term debt		40,000		39,700		15,000		15,000
Derivative liabilities		63,328		63,328		76,850		76,850
Accounts payable, accrued expenses and other liabilities		14,417		14,417		17,837		17,837

6

  Fair Value Hierarchy

The following tables set forth financial instruments accounted for under ASC 820 by level within the fair value hierarchy as of June 30, 2013 and December 31, 2012. As required by ASC 820, assets and liabilities that are measured at fair value are classified in their entirety based on the lowest level of input that is significant to the fair value measurement.

Financial Instruments Measured at Fair Value on a Recurring Basis

	June 30, 2013
	Total			Level 1			Level 2			Level 3
MBS, at fair value Trading
Agency-backed MBS	$	1,820,168		$	—		$	1,820,168		$	—
Available-for-sale
Agency-backed MBS		49			—			49			—
Private-label MBS
Senior securities		7,246			—			—			7,246
Re-REMIC securities		321,674			—			—			321,674
Total available-for-sale		328,969			—			49			328,920
Total MBS		2,149,137			—			1,820,217			328,920
Derivative assets, at fair value		49,827			42,789			7,038			—
Derivative liabilities, at fair value		(63,328	)		(59,230	)		(4,098	)		—
Interest-only MBS, at fair value		394			—			—			394
Total	$	2,136,030		$	(16,441	)	$	1,823,157		$	329,314

	December 31, 2012
	Total			Level 1			Level 2		Level 3
MBS, at fair value Trading
Agency-backed MBS	$	1,556,440		$	—		$	1,556,440	$	—
Available-for-sale
Agency-backed MBS		70			—			70		—
Private-label MBS
Senior securities		7,519			—			—		7,519
Re-REMIC securities		191,567			—			—		191,567
Total available-for-sale		199,156			—			70		199,086
Total MBS		1,755,596			—			1,556,510		199,086
Derivative liabilities, at fair value		(76,850	)		(76,850	)		—		—
Interest-only MBS, at fair value		478			—			—		478
Total	$	1,679,224		$	(76,850	)	$	1,556,510	$	199,564

The total financial assets measured and reported at fair value on a recurring basis and classified within Level 3 were $329,314, or 13.39%, and $199,564, or 9.62%, of the Company’s total assets as of June 30, 2013 and December 31, 2012, respectively.

There were no transfers of securities in or out of Levels 1, 2 or 3 during the three and six months ended June 30, 2013 or the year ended December 31, 2012.

7

Level 3 Financial Assets and Liabilities

Financial Instruments Measured at Fair Value on a Recurring Basis

The fair value of the Company’s Level 3, available-for-sale, private-label MBS was $328,920 and $199,086 as of June 30, 2013 and December 31, 2012, respectively. These securities are primarily senior and re-REMIC tranches in securitization trusts issued between 2005 and 2010. The senior securities represent interests in securitizations that have the first right to cash flows and absorb losses last. The re-REMIC securities represent interests in re-securitizations of senior MBS and pro-rata mezzanine securities. For re-REMIC securities, the cash flows from, and any credit losses absorbed by, the underlying MBS are allocated among the re-REMIC securities issued in the re-securitization transactions based on the re-REMIC structure. For example, prime and non-prime residential senior securities have been resecuritized to create a two-tranche structure with a re-REMIC senior security and a re-REMIC subordinated security. In these re-REMIC securities, all principal payments from the underlying securities are directed to the re-REMIC senior security until the face value is fully paid off. Thereafter, all principal payments are directed to the re-REMIC subordinated security. For pro-rata mezzanine securities, principal payments from the underlying MBS are typically allocated concurrently and proportionally to the mezzanine securities along with senior securities. The re-REMIC subordinated and mezzanine securities absorb credit losses, if any, first; however, these credit losses occur only when credit losses exceed the credit protection provided to the underlying securities. Senior, re-REMIC and mezzanine securities receive interest while any face value is outstanding.

The Company’s senior securities and re-REMIC securities were collateralized by residential Prime and Alt-A mortgage loans and had the following weighted-averages as of the dates indicated.

	June 30, 2013			December 31, 2012
Original loan-to-value		70	%		70	%
Original FICO score		726			730
Three-month prepayment rate		16	%		17	%
Three-month loss severities		46	%		46	%
Weighted average coupon		3.89	%		4.40	%

The significant unobservable inputs for the valuation model include the following weighted-averages as of the dates indicated:

	June 30, 2013						December 31, 2012
	Senior Securities			Re-REMIC Securities			Senior Securities			Re-REMIC Securities
Discount rate		6.50	%		6.69	%		6.50	%		7.43	%
Default rate		9.30	%		4.72	%		9.30	%		5.00	%
Loss severity rate		55.00	%		46.12	%		60.00	%		46.60	%
Prepayment rate		16.30	%		12.59	%		16.30	%		13.75	%

The ranges of the significant unobservable inputs for the valuation model were as follows as of the dates indicated:

	June 30, 2013						December 31, 2012
	Senior Securities			Re-REMIC Securities			Senior Securities			Re-REMIC Securities
Discount rate		6.50	%		6.00 – 10.00	%		6.50	%		6.50 – 13.25	%
Default rate		9.30	%		0.95 – 9.45	%		9.30	%		0.95 – 11.10	%
Loss severity rate		55.00	%		28.31 – 57.50	%		60.00	%		28.26 – 57.50	%
Prepayment rate		16.30	%		6.85 – 19.55	%		16.30	%		6.95 – 20.40	%

8

The tables below set forth a summary of changes in the fair value and gains and losses of the Company’s Level 3 financial assets and liabilities that are measured at fair value on a recurring basis for the three and six months ended June 30, 2013 and 2012.

	Three Months Ended June 30, 2013
	Senior Securities			Re-REMIC Securities			Total
Beginning balance, April 1, 2013	$	7,400		$	268,456		$	275,856
Total net gains (losses)
Included in earnings		—			6,342			6,342
Included in other comprehensive income		(123	)		9,936			9,813
Purchases		—			59,325			59,325
Sales		—			(23,019	)		(23,019	)
Payments, net		(255	)		(5,752	)		(6,007	)
Accretion of discount		224			6,386			6,610
Ending balance, June 30, 2013	$	7,246		$	321,674		$	328,920
The amount of net gains (losses) for the period included in earnings attributable to the change in unrealized gains (losses) relating to Level 3 assets still held at the reporting date	$	—		$	(728	)	$	(728	)

	Three Months Ended June 30, 2012
	Senior Securities			Re-REMIC Securities			Total
Beginning balance, April 1, 2012	$	8,647		$	166,892		$	175,539
Total net gains (losses)
Included in earnings		—			(4,531	)		(4,531	)
Included in other comprehensive income		(74	)		503			429
Purchases		—			470			470
Sales		—			—			—
Payments, net		(428	)		(4,930	)		(5,358	)
Accretion of discount		353			6,046			6,399
Ending balance, June 30, 2012	$	8,498		$	164,450		$	172,948
The amount of net gains (losses) for the period included in earnings attributable to the change in unrealized gains (losses) relating to Level 3 assets still held at the reporting date	$	—		$	(4,531	)	$	(4,531	)

	Six Months Ended June 30, 2013
	Senior Securities			Re-REMIC Securities			Total
Beginning balance, January 1, 2013	$	7,519		$	191,567		$	199,086
Total net gains (losses)
Included in earnings		—			7,790			7,790
Included in other comprehensive income		(87	)		17,803			17,716
Purchases		—			131,203			131,203
Sales		—			(27,798	)		(27,798	)
Payments, net		(638	)		(10,758	)		(11,396	)
Accretion of discount		452			11,867			12,319
Ending balance, June 30, 2013	$	7,246		$	321,674		$	328,920
The amount of net gains (losses) for the period included in earnings attributable to the change in unrealized gains (losses) relating to Level 3 assets still held at the reporting date	$	—		$	(890	)	$	(890	)

9

	Six Months Ended June 30, 2012
	Senior Securities			Re-REMIC Securities			Total
Beginning balance, January 1, 2012	$	9,311		$	170,116		$	179,427
Total net gains (losses)
Included in earnings		—			(4,531	)		(4,531	)
Included in other comprehensive income		(681	)		(3,773	)		(4,454	)
Purchases		—			470			470
Sales		—			—			—
Payments, net		(839	)		(9,816	)		(10,655	)
Accretion of discount		707			11,984			12,691
Ending balance, June 30, 2012	$	8,498		$	164,450		$	172,948
The amount of net gains (losses) for the period included in earnings attributable to the change in unrealized gains (losses) relating to Level 3 assets still held at the reporting date	$	—		$	(4,531	)	$	(4,531	)

Gains and losses included in earnings for the three and six months ended June 30, 2013 and 2012 are reported in the following statement of comprehensive income line descriptions:

	Other Loss, Investment Loss, net
	Three Months Ended June 30,						Six Months Ended June 30,
	2013			2012			2013			2012
Total gains (losses) included in earnings for the period	$	6,342		$	(4,531	)	$	7,790		$	(4,531	)
Change in unrealized gains (losses) relating to assets still held at reporting date	$	(728	)	$	(4,531	)	$	(890	)	$	(4,531	)

Level 3 Financial Instruments Measured at Fair Value on a Non-Recurring Basis

The Company also measures certain financial assets at fair value on a non-recurring basis. Adjustments to the fair value of these assets usually result from the application of lower-of-cost-or-market accounting or write-downs of individual assets due to impairments. Due to the nature of these financial assets, enterprise values are primarily used to value these financial assets. In determining the enterprise value, the Company analyzes various financial, performance and market factors to estimate fair value, including where applicable, market trading activity. As a result, these financial assets are classified within Level 3 of the fair value hierarchy. As of June 30, 2013 and December 31, 2012, these financial assets are classified within the other investments category and represent the Company’s interest in non-public equity securities and investment funds and valued at $1,731 and $1,869, respectively. For the six months ended June 30, 2013, the Company recorded losses of $138, respectively, in the carrying value of these financial assets. For the three months ended June 30, 2013 and for the three and six months ended June 30, 2012, there were no changes to the carrying value of these financial assets.

MBS, at Fair Value

MBS, at fair value^{(1) (2)}, consisted of the following as of the dates indicated:

	June 30, 2013												December 31, 2012
	Fair Value		Net Unamortized Premium (Discount)			Percent of Total Fair Value			Weighted Average Life		Weighted Average Rating(3)		Fair Value		Net Unamortized Premium (Discount)			Percent of Total Fair Value			Weighted Average Life		Weighted Average Rating(3)
Trading
Fannie Mae	$	1,196,826	$	—			55.69	%		9.2	AAA		$	1,083,810	$	—			61.73	%		4.9	AAA
Freddie Mac		623,342		—			29.00	%		9.5	AAA			472,630		—			26.92	%		5.1	AAA
Available-for-sale:
Agency-backed
Fannie Mae		49		—			—			5.0	AAA			70		—			0.01	%		2.8	AAA
Private-label
Senior securities		7,246		(5,687	)		0.34	%		5.0		C-		7,519		(6,519	)		0.43	%		5.2	C
Re-REMIC securities		321,674		(234,497	)		14.97	%		11.8	NR			191,567		(164,422	)		10.91	%		11.4	NR
	$	2,149,137	$	(240,184	)		100.00	%					$	1,755,596	$	(170,941	)		100.00	%

⁽¹⁾ The Company’s MBS portfolio was primarily comprised of fixed-rate MBS at June 30, 2013 and December 31, 2012. The weighted-average coupon of the MBS portfolio at June 30, 2013 and December 31, 2012 was 4.04% and 4.11%, respectively.

⁽²⁾ As of June 30, 2013 and December 31, 2012, the Company’s MBS investments with a fair value of $1,919,775 and $1,615,421, respectively, were pledged as collateral for repurchase agreements.

⁽³⁾ The securities issued by Fannie Mae and Freddie Mac are not rated by any rating agency; however, they are commonly thought of as having an implied rating of “AAA.” There is no assurance, particularly given the downgrade of the U.S.’s credit rating to “AA+” by Standard & Poors during the quarter ended September 30, 2011, that these securities would receive such a rating if they were ever rated by a rating agency. The weighted-average rating of the Company’s private-label senior securities is calculated based on face value of the securities.

10

The Company has generally purchased private-label MBS at a discount. The Company, at least on a quarterly basis, estimates the future expected cash flows based on the Company’s observation of current information and events and applies a number of assumptions related to prepayment rates, interest rates, default rates, loss severity rates, and the timing and amount of cash flows and credit losses. These assumptions are difficult to predict as they are subject to uncertainties and contingencies related to future events that may impact the Company’s estimates and its interest income.

Interest income on the private-label MBS that were purchased at a discount to face value is recognized based on the security’s expected effective interest rate. At acquisition, the accretable yield is calculated as the difference between the undiscounted expected cash flows and the purchase price which is expected to be accreted into interest income over the remaining life of the security on a level-yield basis. The difference between the contractually required payments and the undiscounted expected cash flows represents the non-accretable difference. Based on actual payment activities and changes in estimates of undiscounted expected future cash flows, the accretable yield and the non-accretable difference can change over time. Significant increases in the amount or timing of undiscounted expected future cash flows are recognized prospectively as an adjustment to the accretable yield.

The following table presents the changes in the accretable yield on available-for-sale, private-label MBS for the three and six months ended June 30, 2013 and 2012.

	Three Months Ended June 30,						Six Months Ended June 30,
	2013			2012			2013			2012
Beginning balance	$	261,391		$	182,867		$	207,853		$	194,619
Accretion of discount		(6,610	)		(6,399	)		(12,319	)		(12,691	)
Reclassifications, net		28,702			1,984			32,609			(3,476	)
Acquisitions		50,871			1,749			113,745			1,749
Sales		(16,659	)		—			(24,193	)		—
Ending balance	$	317,695		$	180,201		$	317,695		$	180,201

For the available-for-sale, private-label MBS acquired during the three and six months ended June 30, 2013 and 2012, the contractually required payments receivable, the cash flow expected to be collected, and the fair value at the acquisition date were as follows for the dates indicated:

	Three Months Ended June 30,				Six Months Ended June 30,
	2013		2012		2013		2012
Contractually required payments receivable	$	148,689	$	2,219	$	332,860	$	2,219
Cash flows expected to be collected		110,195		2,219		244,948		2,219
Basis in acquired securities		59,324		470		131,203		470

The Company’s available-for-sale MBS are carried at fair value in accordance with ASC 320, Debt and Equity Securities (ASC 320), with resulting unrealized gains and losses reflected as other comprehensive income or loss. Gross unrealized gains and losses on these securities were the following as of the dates indicated:

	June 30, 2013
	Amortized
	Cost/		Unrealized
	Cost Basis(1)		Gains		Losses			Fair Value
Agency-backed MBS	$	45	$	4	$	—		$	49
Private-label MBS
Senior securities		5,425		1,821		—			7,246
Re-REMIC securities		266,371		55,466		(163	)		321,674
Total	$	271,841	$	57,291	$	(163	)	$	328,969

⁽¹⁾ The amortized cost of MBS includes unamortized net discounts of $240,184 at June 30, 2013.

11

	December 31, 2012
	Amortized
	Cost/		Unrealized
	Cost Basis(1)		Gains		Losses		Fair Value
Agency-backed MBS	$	64	$	6	$	—	$	70
Private-label MBS
Senior securities		5,611		1,908		—		7,519
Re-REMIC securities		154,067		37,500		—		191,567
Total	$	159,742	$	39,414	$	—	$	199,156

⁽¹⁾ The amortized cost of MBS includes unamortized net discounts of $170,941 at December 31, 2012.

For the three and six months ended June 30, 2013, the Company recorded other-than-temporary impairment charges of $728 and $890, respectively, as a component of investment loss, net on the consolidated statements of comprehensive income related to deterioration in credit quality on available-for-sale, private-label MBS with a cost basis of $1,341 and $1,584, respectively, prior to recognizing the other-than-temporary impairment charges. The Company recorded other-than-temporary impairment charges of $4,531 on MBS during the three and six months ended June 30, 2012.

The following table presents a summary of other-than-temporary impairment charges included in earnings for the periods indicated and cumulative other-than-temporary impairment charges recognized on the MBS held as of the dates indicated:

	Three Months Ended June 30,				Six Months Ended June 30,
	2013		2012		2013			2012
Cumulative other-than-temporary impairment, beginning balance	$	22,555	$	8,594	$	23,768		$	8,594
Additions
Other-than-temporary impairments not previously recognized		—		4,174		—			4,174
Increases related to other-than-temporary impairments on securities with previously recognized other-than-temporary impairments		728		357		890			357
Reductions
Decreases related to other-than-temporary impairments on sold securities with previously recognized other-than-temporary impairments		—		—		(1,375	)		—
Cumulative other-than-temporary impairment, ending balance	$	23,283	$	13,125	$	23,283		$	13,125

The following table presents the results of sales of MBS for the periods indicated:

	Three Months Ended June 30,								Six Months Ended June 30,
	2013				2012				2013				2012
	Agency- Backed MBS		Private- Label MBS		Agency- Backed MBS		Private- Label MBS		Agency- Backed MBS		Private- Label MBS		Agency- Backed MBS		Private- Label MBS
Proceeds from sales	$	196,113	$	23,020	$	90,519	$	—	$	527,738	$	27,798	$	112,128	$	—
Gross gains		529		6,928		376		—		531		8,489		341		—
Gross losses		1,655		—		228		—		6,973		—		251		—

Other Investments

The Company’s other investments consisted of the following as of the dates indicated:

	June 30, 2013		December 31, 2012
Interest-only MBS	$	394	$	478
Non-public equity securities		975		975
Investment funds		756		894
Total other investments	$	2,125	$	2,347

12

3. Borrowings:

  Repurchase Agreements

The Company has entered into repurchase agreements to fund its investments in MBS. Securities sold under agreements to repurchase, which are treated as financing transactions for financial reporting purposes, are collateralized by MBS and are carried at their contractual amounts, including accrued interest, as specified in the respective agreements. Under the repurchase agreements, the Company pledges its securities as collateral to secure the borrowing, which is equal in value to a specified percentage of the fair value of the pledged collateral, while the Company retains beneficial ownership of the pledged collateral. The counterparty to the repurchase agreements may require that the Company pledge additional securities or cash as additional collateral to secure borrowings when the value of the collateral declines.

As of June 30, 2013, the Company had no amount at risk with a single repurchase agreement counterparty or lender greater than 10% of equity. As of December 31, 2012, the amount at risk related to $482,097 of repurchase agreements with Credit Suisse Securities (USA) LLC was $50,171, or 10.79%, of the Company’s equity with a weighted-average maturity of 15 days. The amount at risk is defined as the excess of the higher of carrying amount or market value of the collateral provided under repurchase agreements, including any cash or other assets on deposit to secure the repurchase obligation, over the amount of the repurchase liability. The following tables provide information regarding the Company’s outstanding repurchase agreement borrowings as of the dates and for the periods indicated:

	June 30, 2013			December 31, 2012
Outstanding balance	$	1,775,316		$	1,497,191
Value of assets pledged as collateral
Agency-backed MBS		1,822,221			1,547,760
Private-label MBS		97,554			67,661
Net amount (1)	144,459			118,230
Weighted-average rate	0.43		%	0.52		%
Weighted-average term to maturity	15.7 days			14.5 days

⁽¹⁾ Net amount represents the value of collateral in excess of corresponding repurchase obligation. The amount of collateral at-risk is limited to the outstanding repurchase obligation and not the entire collateral balance.

	June 30, 2013			June 30, 2012
Weighted-average outstanding balance during the three months ended	$	1,660,108		$	892,659
Weighted-average rate during the three months ended		0.43	%		0.44	%
Weighted-average outstanding balance during the six months ended	$	1,466,485		$	769,064
Weighted-average rate during the six months ended		0.45	%		0.43	%

  Long-Term Debt

As of June 30, 2013 and December 31, 2012, the Company had $40,000 and $15,000, respectively, of outstanding long-term debentures. On May 1, 2013, the Company completed a public offering of $25,000 of its 6.625% Senior Notes due in 2023 and received net proceeds of $24,038 after payment of underwriting discounts and commissions and expenses. These senior notes will mature on May 1, 2023, and may be redeemed in whole or in part at any time and from time to time at the Company’s option on or after May 1, 2016, at a redemption price equal to the principal amount redeemed plus accrued and unpaid interest. The interest payments on these senior notes are payable quarterly on February 1, May 1, August 1, and November 1 of each year, beginning on August 1, 2013. These Senior Notes are publicly traded on the New York Stock Exchange under the ticker symbol “AIW”. The Company’s long-term debentures consisted of the following as of the dated indicated:

	June 30, 2013						December 31, 2012
	Senior Notes			Trust Preferred Debt			Senior Notes		Trust Preferred Debt
Outstanding Principal	$	25,000		$	15,000		$	—	$	15,000
Annual Interest Rate		6.625	%		LIBOR+2.25 - 3.00	%		—		LIBOR+2.25 - 3.00	%
Interest Payment Frequency		Quarterly			Quarterly			—		Quarterly
Weighted-Average Interest Rate		6.625	%		3.03	%		—		3.09	%
Maturity		May 1, 2023			2033-2035			—		2033-2035
Early Redemption Date		May 1, 2016			2008-2010			—		2008-2010

13

4. Derivative Financial Instruments and Hedging Activities:

In the normal course of its operations, the Company is a party to financial instruments that are accounted for as derivative financial instruments in accordance with ASC 815. These instruments may include interest rate swaps, Eurodollar futures, swap futures, and U.S. Treasury futures contracts, put options and certain commitments to purchase and sell MBS. The exchange traded derivatives such as Eurodollar futures and swap futures are cash settled on a daily basis. The Company may be required to pledge collateral for margin requirements with third-party custodians in connection with certain derivative transactions. These transactions are not under master netting agreements.

During the three and six months ended June 30, 2013, the Company entered into various financial contracts to hedge certain MBS and related borrowings and other long-term debt. These financial contracts are not designated as hedges under ASC 815. The changes in fair value on these derivatives are recorded to net investment gain or loss in the statement of comprehensive income. For the three and six months ended June 30, 2013, the Company recorded net gains of $57,776 and $59,034, respectively, on these derivatives. For the three and six months ended June 30, 2012, the Company recorded net losses of $16,609 and $16,994, respectively, on these derivatives. The Company held the following derivative instruments as of the dates indicated:

	June 30, 2013					December 31, 2012
	Notional Amount		Fair Value			Notional Amount		Fair Value
No hedge designation
Eurodollar futures(1)	$	19,623,000	$	(40,541	)	$	17,525,000	$	(76,850	)
10-year swap futures(2)		550,000		24,100			—		—
Commitment to purchase MBS(3)		435,000		(4,098	)		—		—
Commitment to sell MBS(4)		458,155		7,038			—		—

⁽¹⁾ The $19,623,000 total notional amount of Eurodollar futures contracts as of June 30, 2013 represents the accumulation of Eurodollar futures contracts that mature on a quarterly basis between 2013 and 2018. As of June 30, 2013, the Company maintained $24,346 as a deposit and margin against the open Eurodollar futures contracts.

⁽²⁾ The total notional amount of $550,000 represents the accumulation of 10-year swap futures that mature in September 2013. As of June 30, 2013, the Company maintained $8,250 as a deposit and margin against the open swap futures contracts.

⁽³⁾ The total notional amount of commitment to purchase MBS represents forward commitments to purchase fixed-rate MBS securities.

⁽⁴⁾ The total notional amount of commitment to sell MBS represents forward commitments to sell fixed-rate MBS securities.

5. Income Taxes:

The total income tax provision (benefit) for the three and six months ended June 30, 2013 was $2,554 and $(1,208), respectively. The total income tax provision for the three and six months ended June 30, 2012 was $379 and $821, respectively. The Company generated pre-tax book income of $5,748 and $5,163 for the three and six months ended June 30, 2013, respectively. The Company generated pre-tax book income of $2,523 and $13,727 for the three and six months ended June 30, 2012, respectively.

The Company’s effective tax rate for the six months ended June 30, 2013 and 2012 was (23.4%) and 6.0%, respectively. The effective tax rate during the six months ended June 30, 2013 was lower than the highest marginal tax rates due to the realization of previously unrecognized tax benefits including related accrued interest that were fully reserved. The effective tax rate during the six months ended June 30, 2012 was lower than the highest marginal tax rates due to the realization of deferred tax assets that were offset by a full valuation allowance. The Company is subject to Alternative Minimum Tax because it does not pay regular tax as a result of available net operating losses. The Company will continue to provide a valuation allowance against the portion of the capital loss carryforwards which the Company believes that it is more likely than not that the benefits will not be realized prior to expiration. The Company will continue to assess the need for a valuation allowance at each reporting date.

The Company is subject to examination by the U.S. Internal Revenue Service (IRS), and other taxing jurisdictions. In March 2013, an IRS examination of the Company’s tax years 2009 and 2010 was completed without any adjustment. As a result, the Company reversed $3,200 of unrecognized federal tax benefit related to an uncertain tax position and $544 of related accrued interest as of March 31, 2013. The statute of limitation on the 2009 state tax return is expected to expire in October 2013. As a result, during the quarter ending December 31, 2013, the Company may reverse $9,600 of unrecognized state tax benefit related to an uncertain tax position and $2,649 of related accrued interest. However, there can be no assurance that this reversal may take under the terms the Company anticipates, if at all.

14

6. Earnings Per Share:

Basic earnings per share includes no dilution and is computed by dividing net income or loss applicable to common stock by the weighted-average number of common shares outstanding for the respective period. Diluted earnings per share includes the impact of dilutive securities such as stock options, unvested shares of restricted stock, and performance share units. The following tables present the computations of basic and diluted earnings per share for the periods indicated:

	Three Months Ended June 30,
(Shares in thousands)	2013				2012
	Basic		Diluted		Basic		Diluted
Weighted-average shares outstanding
Common stock		16,655		16,655		9,726		9,726
Stock options, performance share units, and unvested restricted stock		—		177		—		7
Weighted-average common and common equivalent shares outstanding		16,655		16,832		9,726		9,733
Net income applicable to common stock	$	3,194	$	3,194	$	2,144	$	2,144
Net income per common share	$	0.19	$	0.19	$	0.22	$	0.22

	Six Months Ended June 30,
(Shares in thousands)	2013				2012
	Basic		Diluted		Basic		Diluted
Weighted-average shares outstanding
Common stock		15,299		15,299		8,795		8,795
Stock options, performance share units, and unvested restricted stock		—		171		—		8
Weighted-average common and common equivalent shares outstanding		15,299		15,470		8,795		8,803
Net income applicable to common stock	$	6,371	$	6,371	$	12,906	$	12,906
Net income per common share	$	0.42	$	0.41	$	1.47	$	1.47

The diluted earnings per share for the three and six months ended June 30, 2013 did not include the antidilutive effect of 9,005 and 13,733 shares, respectively, of stock options, unvested shares of restricted stock, and performance share units. The diluted earnings per share for the three and six months ended June 30, 2012 did not include the antidilutive effect of 55,217 and 39,547 shares, respectively, of stock options, unvested shares of restricted stock, and performance share units.

7. Equity:

 Equity Offering

During the six months ended June 30, 2013, the Company completed a public offering as follows:

Offering Date	March 13, 2013
Shares offered to public		3,000,000
Underwriter’s over-allotment		450,000
Total shares of Class A common stock		3,450,000
Public offering price per share	$	25.50
Net proceeds(1)	$	86,964

⁽¹⁾ Net of underwriting discounts and commissions and expenses.

  Dividends

Pursuant to the Company’s variable dividend policy, the Board of Directors evaluates dividends on a quarterly basis and, in its sole discretion, approves the payment of dividends. The Company’s dividend payments, if any, may vary significantly from quarter to quarter. The Board of Directors has approved and the Company has declared the following dividends to date in 2013:

Quarter Ended	Dividend Amount		Declaration Date	Record Date	Pay Date
June 30	$	0.875	June 17	June 28	July 31
March 31		0.875	March 15	March 28	April 30

The Board of Directors approved and the Company declared and paid the following dividends for 2012:

Quarter Ended	Dividend Amount		Declaration Date	Record Date	Pay Date
December 31	$	0.875	December 5	December 17	December 31
September 30		0.875	September 13	September 28	October 31
June 30		0.875	June 15	June 29	July 31
March 31		0.875	March 16	March 26	April 30

15

 Long-Term Incentive Plan

On April 13, 2011, the Board of Directors adopted the Arlington Asset Investment Corp. 2011 Long-Term Incentive Plan (2011 Plan). The 2011 Plan was approved by the Company’s shareholders and became effective on June 2, 2011. Under the 2011 Plan, shares of Class A common stock of the Company may be issued to employees, directors, consultants and advisors of the Company and its affiliates. As of June 30, 2013 and December 31, 2012, 439,843 and 489,448 shares, respectively, remained available for issuance under the 2011 Plan.

Performance-Based Long-Term Incentive Program

On August 13, 2012, the Compensation Committee of the Board of Directors of the Company adopted a performance-based long-term incentive program (Performance-based Program) that provides for the issuance of two types of performance share units (PSUs) pursuant to the Company’s 2011 Plan.

The Compensation Committee established performance goals under the Performance-based Program. Two types of PSUs may be awarded under the Performance-based Program: Book Value PSUs and Total Shareholder Return Units (TSR PSUs). The Book Value PSUs are eligible to vest based on the compound annualized growth in the Company’s book value per share (i.e., book value change plus dividends on a reinvested basis) during the applicable performance period.  The TSR PSUs are eligible to vest based on the Company’s compound annualized total shareholder return (i.e., share price change plus dividends on a reinvested basis) during the applicable performance period.

The Company recorded $237 and $517, in compensation expenses related to the Performance-based Program during the three and six months ended June 30, 2013, respectively. There were no similar compensation expenses during the three and six months ended June 30, 2012.

Restricted Stock

The following tables present the activities and balances related to restricted stock for the dates and periods indicated:

	Three Months Ended June 30,				Six Months Ended June 30,
	2013		2012		2013		2012
Shares granted		36,000		—		36,000		—
Weight-average share price	$	26.74	$	—	$	26.74	$	—
Compensation expense recognized during the period	$	100	$	32	$	209	$	86

	June 30, 2013		December 31, 2012
Restricted Class A shares outstanding, unvested		66,170		34,835
Unrecognized compensation cost related to unvested shares	$	1,261	$	507
Weighted-average vesting period remaining	2.49 years		2.22 years

8. Recent Accounting Pronouncements:

On July 18, 2013, the FASB issued Accounting Standards Update 2013-11, Income Taxes (Topic 740), Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists. This standard requires the netting of unrecognized tax benefits against a deferred tax asset for a loss or other carryforward that would apply in settlement of the uncertain tax positions. Under the new standard, unrecognized tax benefits will be netted against all available same-jurisdiction loss or other tax carryforward that would be utilized, rather than only against carryforwards that are created by the unrecognized tax benefits. This standard will be effective for the Company beginning on January 1, 2014. The Company is assessing the impact on the Company’s financial statements.

In February 2013, the FASB issued Accounting Standards Update No. 2013-02, Comprehensive Income (Topic 220), Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income. This standard requires the reporting of the effect of significant reclassifications out of accumulated other comprehensive income on the respective line items in net income if the amount being reclassified is required under GAAP to be reclassified in its entirety to net income. For other amounts that are not required under GAAP to be reclassified in their entirety to net income in the same reporting period, the Company is required to cross-reference other disclosures required under GAAP that provide additional detail about those amounts. The Company implemented the requirements of this statement on the Company’s reporting period beginning on January 1, 2013, and the implementation had no significant impact to the Company’s financial statements.

In January 2013, the FASB issued Accounting Standards Update No. 2013-01, Clarifying the Scope of Disclosures about Offsetting Assets and Liabilities. This standard limits the scope of balance sheet offsetting disclosures to certain derivative instruments, repurchase agreements and reverse repurchase agreements, and securities borrowing and securities lending transactions. This standard requires the disclosures of the presentation of gross and net information about transactions that are (1) offset in the financial statements or (2) subject to an enforceable master netting arrangement or similar agreement, regardless of whether the transactions are actually offset in the statement of financial position. The Company implemented these required disclosures effective for reporting periods beginning on January 1, 2013, and the implementation had no significant impact to the Company’s financial statements.

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9. Subsequent Events:

On July 1, 2013, the Company granted an aggregate of 34,221 Book Value PSUs and 34,567 TSR PSUs to the participants in the Performance-based Program (2013 PSU Grants). For the 2013 PSU grants, the Compensation Committee awarded PSUs with an aggregate grant date fair value equal to 100% of the awardee’s base salary, with 50% of the total grant date fair value represented by Book Value PSUs and 50% of the total grant date fair value represented by TSR PSUs. The 2013 PSU Grants have a three-year performance period.

The actual number of shares of Class A common stock that will be issued to each participant at the end of the applicable performance period will vary between 0% and 250% of the number of PSUs granted, depending on performance results. If the threshold level of performance goals are not achieved, no PSUs are earned. Participants will earn 50% of the granted PSUs for Company performance at the threshold level, 100% of the granted PSUs for Company performance at the target level and 250% of the granted PSUs for Company performance at the maximum level, with linear interpolation for achievement falling between the performance levels.

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Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

Unless the context otherwise requires or provides, references in this Quarterly Report on Form 10-Q to “we,” “us,” “our” and “our company” refer to Arlington Asset Investment Corp. (Arlington Asset) and its subsidiaries. This discussion and analysis should be read in conjunction with our financial statements and accompanying notes included in Item 1 of this Quarterly Report on Form 10-Q, as well as our audited consolidated financial statements and notes thereto included in our Annual Report on Form 10-K for the year ended December 31, 2012.

The discussion of our consolidated financial condition and results of operations below may contain forward-looking statements. These statements, which reflect management’s beliefs and expectations, are subject to risks and uncertainties that may cause actual results to differ materially. For a discussion of the risks and uncertainties that may affect our future results, please see “Cautionary Statement About Forward-Looking Statements” immediately following Item 4 of Part I of this Quarterly Report on Form 10-Q and the risk factors included in Item 1A of Part II of this Quarterly Report on Form 10-Q and in Item 1A of Part I of our Annual Report on Form 10-K for the year ended December 31, 2012.

Our Company

We are a principal investment firm that acquires and holds mortgage-related and other assets. We acquire residential mortgage-backed securities (MBS), either issued by U.S. government agencies or guaranteed as to principal and interest by U.S. government agencies or U.S. government-sponsored entities (agency-backed MBS). We also acquire MBS issued by private organizations (private-label MBS) subject to maintaining our exemption from regulation as an investment company under the Investment Company Act of 1940, as amended (1940 Act). We are a Virginia corporation and taxed as a C corporation for federal income tax purposes. We operate primarily in the United States.

Factors that Affect our Results of Operations and Financial Condition

Our business is materially affected by a variety of industry and economic factors, including:

● conditions in the global financial markets and economic conditions;

● changes in interest rates and prepayment rates;

● actions taken by the U.S. Federal Reserve and the U.S. Treasury;

● changes in laws and regulations and industry practices;

● actions taken by ratings agencies with respect to the U.S.’s credit rating; and

● other market developments.

Adverse market conditions and actions by governmental authorities could adversely affect our business in many ways, including but not limited to making it more difficult for us to analyze our investment portfolio, adversely affecting our ability to maintain targeted amounts of leverage on our MBS portfolio and successfully implement our hedging strategy, and limiting our ability to follow our current investment and financing strategies. While uncertain, these potentially adverse market conditions and actions by governmental authorities may adversely affect our liquidity, financial position and results of operations. We have been and will continue to evaluate the potential impact of recent government actions, including developments relating to various state and federal government actions affecting the market price of MBS, related derivative securities, and interest rates and foreclosure suspensions and affidavit errors. For further discussions on how market conditions and government actions may adversely affect our business, see “Item 1A—Risk Factors” in our Annual Report on Form 10-K for the year ended December 31, 2012.

Our MBS portfolio is affected by general U.S. residential real estate market conditions and the overall U.S. economic environment. In particular, our MBS strategy and the performance of our MBS portfolio is influenced by the specific characteristics of these markets, including prepayment rates, credit losses, interest rates and the interest rate yield curve. Our results of operations with respect to our MBS portfolio primarily depend on, among other things, the level of our interest income and the amount and cost of borrowings we may obtain by pledging our investment portfolio as collateral for the borrowings. Our interest income, which includes the amortization of purchase premiums and accretion of discounts, if any, varies primarily as a result of changes in prepayment speeds of the securities in our MBS portfolio. Our borrowing cost varies based on changes in interest rates and changes in the amount we can borrow, which is generally based on the fair value of the MBS portfolio and the advance rate the lenders are willing to lend against the collateral provided.

The payment of principal and interest on the agency-backed MBS that we acquire and hold is guaranteed by the Federal Home Loan Mortgage Corporation (Freddie Mac) or the Federal National Mortgage Association (Fannie Mae). The payment of principal and interest on agency-backed MBS issued by Freddie Mac or Fannie Mae is not guaranteed by the U.S. government. Any failure to honor its guarantee of agency-backed MBS by Freddie Mac or Fannie Mae or any downgrade of securities issued by Freddie Mac or Fannie Mae by the rating agencies could cause a significant decline in the value of and cash flow from any agency-backed MBS we own that are guaranteed by such entity.

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Current Market Conditions and Trends

In September 2012, the U.S. Federal Reserve announced a third round of quantitative easing, known as QE3, pursuant to which it would purchase additional agency-backed MBS at a pace of $40 billion per month until further notice. The Federal Reserve also announced that it would maintain its policy of reinvesting principal payments from its existing holdings of agency-backed MBS into new purchases of agency-backed MBS until the employment rate, among other economic indicators, showed signs of improvement. The Federal Reserve further stated that it would maintain the target range for the Federal Funds Rate between zero and 0.25% through at least mid-2015, which is six months longer than previously announced. The Federal Reserve provided further guidance to the market in December 2012 that it intended to keep the Federal Funds Rate close to zero while the unemployment rate is above 6.5% and as long as inflation does not rise above 2.5%. In December 2012, the Federal Reserve also announced that it would initially begin purchasing $45 billion of long-term Treasury bonds each month and noted that such amount may increase in the future.

The Federal Reserve Open Market Committee (the FOMC) meeting minutes released on April 10, 2013 revealed that the FOMC had begun considering when the Federal Reserve should begin tapering the pace of agency-backed MBS purchases set in September 2012. The FOMC meeting minutes released on May 22, 2013 announced that the Federal Reserve was considering beginning to taper such purchases as early as June 2013. In minutes released on June 25, 2013, the FOMC introduced more formal unemployment rate and inflation targets, stating that the Federal Reserve would begin to scale back agency-backed MBS purchases later in 2013 and that such purchases would cease entirely when the unemployment rate reached 7%. The Federal Reserve’s current expectation is that 7% unemployment is achievable by midyear 2014.

The market reaction to the tapering of QE3 occurring earlier than expected was extremely negative. The rate on ten-year Treasury notes moved sharply higher during the second quarter of 2013. After hitting an intra-quarter low of 1.63% in early May, the market sold off significantly, reaching a high above 2.60% before closing the quarter at 2.49%. During the course of these events, agency-backed MBS underperformed dramatically. After learning of the Federal Reserve’s intentions, many market participants sold agency-backed MBS. The 30-year mortgage rate mirrored the move in the agency-backed MBS markets, rising from 3.57% at the end of the first quarter to 4.46% at the end of June. Fixed income benchmark indices also suffered during the months of May and June, triggering redemptions out of many indexed mutual funds. We believe this phenomenon has the potential to continue to weigh on agency-backed MBS in the coming months.

The significant move in benchmark rates triggered an overall weakening of the broader fixed income credit markets. We believe the limited liquidity and volatility in the credit markets will continue while the markets seek to determine the right equilibrium levels for benchmark interest rates as the Federal Reserve stimulus leaves the market place. 

Recent Government Activity

On June 25, 2013, Senators Bob Corker (R-TN) and Mark Warner (D-VA), with Senators Mike Johanns (R-NE), Jon Tester (D-MT), Dean Heller (R-NV), Heidi Heitkamp (D-ND), Jerry Moran (R-KS) and Kay Hagan (D-NC), formally introduced the Housing Finance Reform and Taxpayer Protection Act of 2013 (the Corker-Warner Bill) into the U.S. Senate. While the current draft of the Corker-Warner Bill will likely undergo significant changes as it is debated, it is expected to serve as a basis of discussion for congressional efforts to reform Fannie Mae and Freddie Mac.

As currently drafted, the Corker-Warner Bill has three key provisions:

· the establishment of the Federal Mortgage Insurance Corporation (the FMIC);

· the creation of a Mortgage Insurance Fund (the Fund); and

· the wind-down of Fannie Mae and Freddie Mac.

The FMIC would be a government guarantor modeled after the Federal Deposit Insurance Corporation (the FDIC) in that it would collect insurance premiums and maintain a deposit fund on all outstanding obligations. Every mortgage-backed security issued through the FMIC would have a private investor bearing the first risk of loss and holding at least $0.10 in equity capital for every dollar of risk. This private capital buffer would serve to protect taxpayers from the risk of default on the mortgages underlying securities issued by the FMIC. Thus, the ultimate purpose of the FMIC would be to bring in credit investors to bear the risk of default while providing liquidity, transparency and access to mortgage credit for the housing finance system.

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The Federal Housing Finance Authority (the FHFA) would be abolished after the establishment of the FMIC, and all current responsibilities of the FHFA, as well as its resources, would be transferred to the FMIC. In particular, the Corker-Warner Bill specifies that the FMIC would maintain a database of uniform loan-level information on eligible mortgages, develop standard uniform securitization agreements and oversee the common securitization platform currently being developed by the FHFA.

In the event losses due to default on underlying mortgages exceed the first position losses of private credit investors in securities issued by the FMIC, the FMIC would cover such losses out of the Fund. The Corker-Warner Bill specifies that the FMIC would endeavor to attain a reserve balance of 1.25% of the aggregate outstanding principal balance of covered securities within five years of the establishment of the FMIC and 2.50% of such amount within ten years of the establishment of the FMIC. The Fund would be paid with insurance premiums, akin to user fees, paid by private investors with various reporting and transparency requirements.

As currently proposed, the Corker-Warner Bill would revoke the charters of Fannie Mae and Freddie Mac upon the establishment of the FMIC. Fannie Mae and Freddie Mac would wind down as expeditiously as possible while maximizing returns to taxpayers as their assets are sold off.

On July 11, 2013, U.S. Representatives introduced the Protecting American Taxpayers and Homeowners Act (PATH), a broad financing reform bill that serves as a counterpart to the Corker-Warner Bill. PATH would also revoke the charters of Fannie Mae and Freddie Mac and remove barriers to private investment. However, PATH would maintain the FHFA and give it oversight over a new non-government, not-for-profit National Mortgage Market Utility, the mission of which would be to develop best practices standards for the private origination, servicing, pooling and securitizing of mortgages and operate a publicly accessible securitization outlet to match loan originators with investors. Additional provisions of PATH include the reduction in size and scope of the Federal Housing Administration, tailoring its mission specifically to first-time borrowers and low- and moderate-income borrowers except in periods of significant credit contraction.

There is no way to know if either proposal will become law or, should one of the proposals become law, if or how the enacted law will differ from the current draft of the bill or its impact on our Company, our portfolio or the MBS market.

While there are signs of a recovery, uncertainty continues to dominate the market, due to the continued historically low interest rate environment and actions by the Federal Reserve. We believe the general business environment will continue to be challenging in 2013 and future periods. Our growth outlook is dependent, in part, on the strength of the financial markets, the impact of fiscal and monetary policy actions by the United States and other countries, the overall market value of U.S. equities and liquidity in the financial system. Depending on recent market developments and movements, we may seek to re-align our strategy and our portfolio.  We will continue to closely monitor the developments in the market and evaluate the opportunities across the spectrum in the mortgage industry and seek the highest risk-adjusted returns for our capital.

Executive Summary

During the quarter ended June 30, 2013, we continued to raise additional capital following public offerings of the Company’s Class A common stock during 2012 and the first of quarter of 2013. On May 1, 2013, we completed a public offering of $25.0 million aggregate principal amount of 6.625% Senior Notes due 2023 (the Senior Notes) and received net proceeds of $24.0 million after payment of underwriting commissions and expenses. We refer to the Senior Notes issued on May 1, 2013 as the “Initial Notes”. The Senior Notes will mature on May 1, 2023, and may be redeemed in whole or in part at any time and from time to time at our option on or after May 1, 2016 at a redemption price equal to the principal amount redeemed plus accrued and unpaid interest. The interest payments on the Senior Notes are payable quarterly on February 1, May 1, August 1, and November 1 of each year. On May 10, 2013, we entered into separate sales agreements, which we refer to as our “Debt Sales Agreements,” with each of MLV & Co. LLC and JMP Securities LLC, under which we may offer and sell, from time to time, up to $75.0 million aggregate principal amount of the Senior Notes, which Senior Notes constitute a further issuance of and are fungible with the Initial Notes, and form a single series of debt securities with the Initial Notes. The Senior Notes are publically traded on the New York Stock Exchange (NYSE) under the symbol “AIW.” As of June 30, 2013, we had not issued any Senior Notes under the Debt Sales Agreements.

On May 24, 2013, we entered into separate equity distribution agreements (the Equity Distribution Agreements) with each of RBC Capital Markets, LLC, JMP Securities LLC, Ladenburg Thalmann & Co. Inc. and MLV & Co. LLC (the Equity Sales Agents), pursuant to which the Company may offer and sell, from time to time, up to 1,750,000 shares of the Company’s Class A common stock. Pursuant to the Equity Distribution Agreements, shares of our common stock may be offered and sold through the Equity Sales Agents in transactions that are deemed to be “at the market” offerings as defined in Rule 415 under the Securities Act of 1933, including sales made directly on the NYSE or sales made to or through a market maker other than on an exchange or, subject to the terms of a written notice from the Company, in privately negotiated transactions. As of June 30, 2013, we had not issued any shares of the Company’s Class A common stock under the Equity Distribution Agreements.

We refer to any sales of our securities arising under the Debt Sales Agreements or the Equity Distribution Agreements, collectively, as our “At-The-Market programs.” The Company intends to add any proceeds from the At-The-Market programs to its general corporate funds, which we may use for new investments in accordance with our investment policy in place at the time of such sales, to repay indebtedness or for other general corporate purposes.

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We deployed the capital raised from the public offering of the Initial Notes in agency-backed MBS and private-label MBS. Based on the improvements we have observed in the general economic indicators and trends in underlying credit and housing data, we continue to review the allocation of our available capital to maximize return to our shareholders. As of June 30, 2013, our MBS portfolio consisted of $2.1 billion in fair value, with $1.8 billion of agency-backed MBS and $328.9 million of private-label MBS which represents the capital allocation of 40% and 60%, respectively.

As we previously disclosed in the quarter ended March 31, 2013, we are subject to examination by the U.S. Internal Revenue Service (IRS), and other taxing jurisdictions. In March 2013, an IRS examination of the tax years 2009 and 2010 was completed without any adjustment. As a result, we reversed $3.2 million of unrecognized federal tax benefit related to an uncertain tax position and $0.5 million of related accrued interest as of March 31, 2013. The statute of limitation on the 2009 state tax return is expected to expire in October 2013. As a result, during the quarter ending December 31, 2013, we may reverse $9.6 million of unrecognized state tax benefit related to an uncertain tax position and $2.6 million of related accrued interest. However, there can be no assurance that this reversal may take place under the terms we anticipate, if at all.

 For the three months ended June 30, 2013, we had net income of $3.2 million, or $0.19 per share (diluted). As of June 30, 2013, our book value per share was $32.44.

In addition to the financial results reported in accordance with generally accepted accounting principles as consistently applied in the United States (GAAP), we calculated non-GAAP core operating income for the three and six months ended June 30, 2013. Our non-GAAP core operating income for the three and six months ended June 30, 2013 was $18.9 million and $33.5 million, respectively. In determining core operating income, we excluded certain costs and the following non-cash expenses: (1) compensation costs associated with stock-based awards, (2) accretion of MBS purchase discounts adjusted for principal repayments in excess of proportionate invested capital, (3) unrealized mark-to-market adjustments on the trading MBS and hedge instruments, (4) other-than-temporary impairment charges recognized, and (5) benefit from the reversal of previously accrued federal tax liability and accrued interest related to uncertain tax positions. This non-GAAP measurement is used by management to analyze and assess the operating results and dividends. We believe that this non-GAAP measurement assists investors in understanding the impact of these non-core items and non-cash expenses on our performance and provides additional clarity around our forward earnings capacity and trends. A limitation of utilizing this non-GAAP measure is that the GAAP accounting effects of these events do in fact reflect the underlying financial results of our business and these effects should not be ignored in evaluating and analyzing our financial results. Therefore, we believe net income on a GAAP basis and core operating income on a non-GAAP basis should be considered together.

The following is a reconciliation of GAAP net income to non-GAAP core operating income for the three and six months ended June 30, 2013 (dollars in thousands):

	June 30, 2013
	Three Months Ended			Six Months Ended
GAAP net income	$	3,194		$	6,371
Adjustments
Adjusted expenses(1)		2,371			2,872
Benefit from the reversal of federal tax liability and accrued interest related to uncertain tax position		—			(3,744	)
Stock compensation		442			940
Net unrealized mark-to-market loss on trading MBS and hedge instruments		12,584			27,322
Other-than-temporary impairment charges		728			890
Adjusted interest related to purchase discount accretion(2)		(464	)		(1,176	)
Non-GAAP core operating income	$	18,855		$	33,475

⁽¹⁾ Adjusted expenses reflect certain professional fees, litigation recovery and income taxes that are not considered representative of routine or core operating-related activities of our company.

⁽²⁾ Adjusted interest related to purchase discount accretion represents purchase discount accretion in excess of principal repayment in excess of proportional share of invested capital.

As of June 30, 2013, our agency-backed MBS consisted of $1.7 billion in face value with a cost basis of $1.9 billion and had a fair value of $1.8 billion. Our agency-backed MBS had a weighted-average coupon of 4.08% and a weighted-average cost of funding of 0.38% at June 30, 2013. During the three months ended June 30, 2013, we received proceeds of $196.1 million from the sale of $182.1 million in face value of our agency-backed MBS, realizing $1.1 million in losses, or realized net gains of $0.2 million from the acquisition price. During the six months ended June 30, 2013, we received proceeds of $527.7 million from the sale of $489.9 million in face value of our agency-backed MBS, realizing $6.4 million in losses, or realized net losses of $0.9 million from the acquisition price.

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We have entered into Eurodollar futures and swap futures to mitigate the interest rate sensitivity which directly impacts our cost of borrowing and the market value of our agency-backed MBS. The Eurodollar futures mature through September 30, 2018 and have a lifetime weighted-average rate of 2.82%, as compared to a lifetime weighted-average market rate of 1.99% as of June 30, 2013. The value of these five-year hedge instruments is expected to fluctuate inversely relative to the agency-backed MBS portfolio and decrease in value during periods of declining interest rates and/or widening mortgage spreads. Conversely, during periods of increasing rates and/or tightening mortgage spreads, these instruments are expected to increase in value. The cost of these Eurodollar hedges will increase over their five-year term. The swap futures mature in September 2013 and have a weighted-average rate of 2.30%, as compared to a weighted-average market rate of 2.81% as of June 30, 2013.

As of June 30, 2013, our private-label MBS portfolio consisted of $512.0 million in face value with an amortized cost basis of $271.8 million and was fair valued at $328.9 million. The unamortized net discount on our private-label MBS portfolio was $240.2 million as of June 30, 2013. During the three months ended June 30, 2013, we recognized net interest income of $6.4 million, representing a 10.4% annualized yield, including coupon and accretion of purchase discount based on the current accretable yield rate, from our private-label MBS portfolio. During the three months ended June 30, 2013, we received proceeds of $23.0 million from the sale of $25.4 million in face value of our private-label MBS, realizing $6.9 million in gains. We also recognized $0.7 million in other-than-temporary impairment charges during the three months ended June 30, 2013. This charge does not affect non-GAAP core operating income or book value, but does reduce our net income and lowers the accounting basis used to record future discount accretion.

Our private-label MBS are primarily senior and re-REMIC tranches in securitization trusts issued between 2005 and 2010. The senior securities represent interests in securitizations that have the first right to cash flows and absorb losses last. The re-REMIC securities represents interests in re-securitizations of senior MBS and pro-rata mezzanine securities. For re-REMIC securities, the cash flows from, and any credit losses absorbed by, the underlying MBS are allocated among the re-REMIC securities issued in the re-securitization transactions based on the re-REMIC structure. For example, prime and non-prime residential senior securities have been resecuritized to create a two-tranche structure with a re-REMIC senior security and a re-REMIC subordinated security. In these re-REMIC securities, all principal payments from the underlying securities are directed to the re-REMIC senior security until the face value is fully paid off. Thereafter, all principal payments are directed to the re-REMIC subordinated security. For pro-rata mezzanine securities, principal payments from the underlying MBS are typically allocated concurrently and proportionally to the mezzanine securities along with senior securities. The re-REMIC subordinated and mezzanine securities absorb credit losses, if any, first; however, these credit losses occur only when credit losses exceed the credit protection provided to the underlying securities. Senior, re-REMIC, and mezzanine securities receive interest while any face value is outstanding. Our private-label MBS have approximately 1% credit enhancement on a weighted-average basis, which provides protection to our invested capital in addition to our purchase discount.

We generally purchased the private-label MBS in our portfolio at a discount to face value. We estimate, at least on a quarterly basis, the future expected cash flows based on our observation and assessment of current information and events and by applying a number of assumptions related to prepayment rates, interest rates, default rates, discount rates and the timing and amount of cash flows and credit losses. These assumptions, which are disclosed in note 2 to our financial statements, are difficult to predict as they are subject to uncertainties and contingencies related to future events that may impact our estimates and interest income.

We recognize interest income on our private-label MBS based on each security’s expected effective interest rate. At acquisition, the accretable yield is calculated as the difference between the undiscounted expected cash flows and the purchase price which is expected to be accreted into interest income over the remaining life of the security on a level-yield basis. The difference between the contractually required payments and the undiscounted expected cash flows represents the non-accretable difference. Based on actual payment activities and changes in estimates of undiscounted expected future cash flows, the accretable yield and the non-accretable difference can change over time. Significant increases in the amount or timing of undiscounted expected future cash flows are recognized prospectively as an adjustment to the accretable yield. As a result, we may recognize higher non-cash interest income over the security’s holding period and may not realize the level of interest income recognized using the higher accretion rates. In addition, we may be subject to more frequent and higher non-cash other-than-temporary-impairment charges than actual losses realized on the security as a result.

We evaluate available-for-sale securities for other-than-temporary impairment at least on a quarterly basis, and more frequently when economic or market concerns warrant such evaluation. In general, when the fair value of an available-for-sale security is less than its amortized cost at the reporting date, the security is considered impaired. In evaluating these available-for-sale securities for other-than-temporary impairment, consideration is given to (1) the length of time and the extent to which the fair value has been lower than carrying value, (2) the severity of the decline in fair value, (3) the financial condition and near-term prospects of the issuer, (4) our intent to sell, and (5) whether it is more likely than not we would be required to sell the security before anticipated recovery.

For available-for-sale, agency-backed MBS, if it is determined that the impairment is other-than-temporary, then the amount that the fair value is below its amortized cost basis is recorded as an impairment charge and recorded through earnings. For unrealized losses that are determined to be temporary, a further evaluation is performed to determine the credit portion of the other-than-temporary impairment and the credit portion is recorded through our statement of comprehensive income.

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For available-for-sale, private-label MBS that have been acquired at discounts to face value due in part to credit deterioration since origination, we re-evaluate the undiscounted expected future cash flows and the changes in cash flows from those originally projected at the time of purchase or last revised.  For those securities in an unrealized loss position, the difference between the carrying value and the net present value of expected future cash flows discounted using current expected rate of return is recorded as other-than-temporary impairment charges through our statement of comprehensive income.

Continued expectations of stabilization and improvement in the housing market, increased liquidity and available leverage have stabilized prices for our private-label MBS, particularly among re-REMIC mezzanine securities. Our re-REMIC securities are predominantly held in the subordinate tranches. We will continue to closely monitor the performance of these securities. We believe we have constructed a private-label MBS portfolio with attractive characteristics and will continue to monitor relative value between the various classes of MBS, including agency-backed MBS, and may re-allocate our portfolio at any time based on management’s view of the market. We will continue to seek to identify potential opportunities to strengthen our position and to maximize return to our shareholders.

We have been evaluating, and will continue to evaluate, the opportunities across the spectrum in the mortgage industry and seek the highest risk-adjusted returns for our capital. We evaluate and prioritize the risk-adjusted return we expect to receive on every asset based upon a current cash yield perspective as well as from a total yield perspective that includes expected reflation, which is defined as an increase in value between the amortized cost basis and the par value of the security. Historically, based on market conditions, we believe our MBS assets have provided us with higher relative risk-adjusted rates of return than most other portfolio opportunities we have evaluated. Consequently, we have maintained a high allocation of our assets and capital in this sector. We intend to continue to evaluate acquisition opportunities against the returns available in each of our asset alternatives and endeavor to allocate our assets and capital with an emphasis toward what we believe will generate the highest risk-adjusted return available. This strategy may cause us to have different allocations of capital in different environments.

The following is a summary of our net income for the periods indicated (dollars in thousands):

	Three Months Ended June 30,						Six Months Ended June 30,
	2013			2012			2013			2012
Net interest income	$	20,925		$	14,914		$	37,649		$	27,460
Other loss, net		(11,257	)		(8,681	)		(24,790	)		(5,877	)
Other expenses		3,920			3,710			7,696			7,856
Income before income taxes		5,748			2,523			5,163			13,727
Income tax provision (benefit)		2,554			379			(1,208	)		821
Net income	$	3,194		$	2,144		$	6,371		$	12,906

For the three months ended June 30, 2013, our net income was $3.2 million compared to net income of $2.1 million for the three months ended June 30, 2012. Our net income includes net interest income of $20.9 million and other net loss of $11.3 million for the three months ended June 30, 2013 compared to net interest income of $14.9 million and other net loss of $8.7 million for the three months ended June 30, 2012. The increase in net interest income is due primarily to an increase in the average balance of our agency-backed MBS portfolio. The increase in other net loss is discussed below. Our other expenses increased to $3.9 million during the three months ended June 30, 2013 compared to $3.7 million for the three months ended June 30, 2012, primarily as a result of increases in compensation expenses offset by decreases in legal expenses.

For the six months ended June 30, 2013, our net income was $6.4 million compared to net income of $12.9 million for the six months ended June 30, 2012. Our net income includes net interest income of $37.6 million and other net loss of $24.8 million for the six months ended June 30, 2013 compared to net interest income of $27.5 million and other net loss of $5.9 million for the six months ended June 30, 2012. The increase in net interest income is due primarily to an increase in the average balance of our agency-backed MBS portfolio. The increase in other net loss is discussed below. Our other expenses decreased to $7.7 million during the six months ended June 30, 2013 compared to $7.9 million for the six months ended June 30, 2012, primarily as a result of decreases in legal expenses offset by increases in compensation expenses.

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Principal Investing Portfolio

The following table summarizes our principal investing portfolio including principal receivable on MBS, as of June 30, 2013 (dollars in thousands):

	Face Amount		Fair Value
Trading
Agency-backed MBS
Fannie Mae	$	1,135,281	$	1,196,826
Freddie Mac		594,570		623,342
Available-for-sale
Agency-backed MBS
Fannie Mae		46		49
Private-label MBS
Senior securities		11,112		7,246
Re-REMIC securities		500,868		321,674
Other mortgage related assets		85,804		394
Total	$	2,327,681	$	2,149,531

Operating Income

Our operating income consists primarily of net interest income, net investment gain and investment fund earnings.

Expenses

Interest expense includes the costs of our repurchase agreement borrowings and long-term debt securities.

Compensation and benefits expense includes base salaries as well as incentive compensation. Salaries, payroll taxes and employee benefits are relatively fixed in nature. In addition, compensation and benefits expense includes estimated performance-based incentive compensation, including the discretionary component that is more likely-than not to be paid and non-cash expenses associated with all stock-based awards granted to employees.

Professional services expense includes accounting, legal and consulting fees. Many of these expenses, such as legal fees, are to a large extent variable related to level of transactions, ongoing litigation and initiatives.

Business development expense includes primarily travel and entertainment expenses.

Occupancy and equipment expense includes rental costs for our facilities and depreciation and amortization of equipment and software. These expenses are largely fixed in nature.

Communications expenses include voice, data and internet service fees, and data processing costs.

Other operating expenses include professional liability and property insurance, directors’ fees including cash and stock awards, printing and copying, business licenses and taxes, offices supplies, penalties and fees, charitable contributions and other miscellaneous office expenses, if any.

24

Results of Operations

Three months ended June 30, 2013 compared to three months ended June 30, 2012

We reported net income of $3.2 million for the three months ended June 30, 2013 compared to net income of $2.1 million for the three months ended June 30, 2012, which included the following results for the periods indicated (dollars in thousands):

	Three Months Ended June 30,
	2013			2012
Interest income	$	23,145		$	16,031
Interest expense		2,220			1,117
Net interest income		20,925			14,914
Other loss, net
Investment loss, net		(11,253	)		(8,677	)
Other loss		(4	)		(4	)
Total other loss, net		(11,257	)		(8,681	)
Other expenses		3,920			3,710
Income before income taxes		5,748			2,523
Income tax provision		2,554			379
Net income	$	3,194		$	2,144

Net income increased $1.1 million from net income of $2.1 million for the three months ended June 30, 2012 to net income of $3.2 million for the three months ended June 30, 2013 primarily due to the following changes:

● Net interest income increased $6.0 million (40.3%) from $14.9 million for the three months ended June 30, 2012 to $20.9 million for the three months ended June 30, 2013. The increase is primarily the result of fully deploying our investable capital on a leveraged basis to our MBS portfolio. See additional yield analysis below.

● Investment loss, net, increased $2.6 million from a loss of $8.7 million for the three months ended June 30, 2012 to a loss of $11.3 million for the three months ended June 30, 2013. See below for additional discussion on the results of our principal investing portfolio.

The following table summarizes the components of income from our principal investment activities, net of related interest expense, for the periods indicated (dollars in thousands):

	Three Months Ended June 30,
	2013			2012
Net interest income	$	21,331		$	15,037
Investment loss, net		(11,253	)		(8,677	)

The components of net interest income from our MBS related portfolio is summarized in the following table (dollars in thousands):

	Three Months Ended June 30,
	2013								2012
	Average Balance		Income (Expense)			Yield (Cost)			Average Balance		Income (Expense)			Yield (Cost)
Agency-backed MBS	$	1,750,089	$	16,522			3.78	%	$	915,318	$	9,600			4.20	%
Private-label MBS
Senior securities		5,452		224			16.41	%		8,292		352			17.00	%
Re-REMIC securities		240,886		6,386			10.60	%		134,498		6,046			17.98	%
Other investments		437		12			10.90	%		1,064		32			12.02	%
	$	1,996,864		23,144			4.64	%	$	1,059,172		16,030			6.05	%
Other(1)				1								1
				23,145								16,031
Repurchase agreements	$	1,660,108		(1,814	)		(0.43	)%	$	892,659		(994	)		(0.44	)%
Net interest income/spread			$	21,331			4.21	%			$	15,037			5.61	%

________________

⁽¹⁾ Includes interest income on cash and other miscellaneous interest-earning assets.

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The change in the composition of our MBS portfolio and related increase in net interest income by $6.3 million from the three months ended June 30, 2012 to the three months ended June 30, 2013 was primarily due to the deployment of capital raised from our public offerings during 2012 and 2013 into MBS portfolio. Interest income from other investments represents interest on interest-only MBS securities.

As discussed above, we realized net investment loss of $11.3 million for the three months ended June 30, 2013 compared to net investment loss of $8.7 million for the three months ended June 30, 2012. The following table summarizes the components of net investment loss (dollars in thousands):

	Three Months Ended June 30,
	2013			2012
Realized gains on sale of available-for-sale investments, net	$	6,928		$	—
Available-for-sale and cost method securities – other-than-temporary impairment charges		(728	)		(4,531	)
(Losses) gains on trading investments, net		(75,416	)		12,720
Gains (losses) from derivative instruments, net		57,776			(16,609	)
Other, net		187			(257	)
Investment loss, net	$	(11,253	)	$	(8,677	)

We recorded other-than-temporary impairment charges of $0.7 million and $4.5 million, respectively, for the three months ended June 30, 2013 and 2012 related to changes in expected credit performance on available-for-sale, private-label MBS with a cost basis of $1.3 million and $12.4 million, respectively, prior to recognizing the other-than-temporary impairment charges.

During the three months ended June 30, 2013, the Company received $23.0 million from the sales of $25.4 million in face value of available-for-sale MBS recognizing a net gain of $6.9 million. There were no sales of available-for-sale investments during the three months ended June 30, 2012.

The losses on trading investments, net, recognized for the three months ended June 30, 2013 were primarily the result of net mark-to-market loss adjustments of $74.3 million and net losses of $1.1 million from sales of trading investments. The losses on trading investments, net, recognized for the three months ended June 30, 2013, also reflects net realized gains of $0.2 million on the sold securities from the acquisition price and changes in net unrealized mark-to-market loss adjustments of $75.6 million during the three months ended June 30, 2013. The gains on trading investments, net, recognized for the three months ended June 30, 2012 were primarily the result of net mark-to-market gain adjustments of $12.6 million and net gains of $0.1 million from sales of trading investments. The gains on trading investments, net, recognized for the three months ended June 30, 2012, also reflects net realized gains of $2.2 million on the sold securities from the acquisition price and changes in net unrealized mark-to-market gain adjustments of $10.5 million during the three months ended June 30, 2012.

The gains from derivative instruments recognized for the three months ended June 30, 2013 were the result of net realized gains of $2.7 million and net unrealized mark-to-market gain adjustments of $55.1 million. The gains from derivative instruments recognized for the three months ended June 30, 2013 also reflects net losses of $5.2 million from disposed derivative instruments from the acquisition price and changes in net unrealized mark-to-market gain adjustments of $63.0 million during the three months ended June 30, 2013. The losses from derivative instruments recognized for the three months ended June 30, 2012 were the result of net realized gains of $0.5 million and net unrealized mark-to-market loss adjustments of $17.1 million. The losses from derivative instruments recognized for the three months ended June 30, 2012 also reflects net losses of $0.8 million from disposed derivative instruments from the acquisition price and changes in net unrealized mark-to-market loss adjustments of $15.8 million during the three months ended June 30, 2012. The value of our hedge instruments is expected to fluctuate inversely relative to the change in value of the agency-backed MBS portfolio.

Interest expense unrelated to our principal investing activity relates to long-term debt. These costs increased to $0.4 million for the three months ended June 30, 2013 from $0.1 million for the three months ended June 30, 2012.

Other expenses increased by $0.2 million (5.4%) from $3.7 million for the three months ended June 30, 2012 to $3.9 million for the three months ended June 30, 2013. The increase is primarily as a result of increases in compensation expenses offset by decreases in legal expenses.

Total income tax provision increased $2.2 million from a provision of $0.4 million for the three months ended June 30, 2012 to a provision of $2.6 million for the three months ended June 30, 2013. Our effective tax rate was 44.4% for the three months ended June 30, 2013 as compared to 15.0% for the same period in 2012. The effective tax rate during the three months ended June 30, 2012 was lower than the highest marginal tax rates due to the realization of deferred tax assets that were offset by a full valuation allowance. The net deferred tax assets, which are partially offset by a valuation allowance, include net operating losses (NOLs), which are available to offset the current and future taxable income. We recorded an expected tax liability for the period due to the expected alternative minimum taxes.

26

Six months ended June 30, 2013 compared to six months ended June 30, 2012

We reported net income of $6.4 million for the six months ended June 30, 2013 compared to net income of $12.9 million for the six months ended June 30, 2012 which included the following results for the periods indicated (dollars in thousands):

	Six Months Ended June 30,
	2013			2012
Interest income	$	41,473		$	29,394
Interest expense		3,824			1,934
Net interest income		37,649			27,460
Other loss, net
Investment loss, net		(24,782	)		(5,869	)
Other loss		(8	)		(8	)
Total other loss, net		(24,790	)		(5,877	)
Other expenses		7,696			7,856
Income before income taxes		5,163			13,727
Income tax (benefit) provision		(1,208	)		821
Net income	$	6,371		$	12,906

Net income decreased $6.5 million from net income of $12.9 million for the six months ended June 30, 2012 to net income of $6.4 million for the six months ended June 30, 2013 primarily due to the following changes:

● Net interest income increased $10.1 million (36.7%) from $27.5 million for the six months ended June 30, 2012 to $37.6 million for the six months ended June 30, 2013. The increase is primarily the result of fully deploying our investable capital on a leveraged basis to our MBS portfolio. See additional yield analysis below.

● Investment loss, net, increased $18.9 million from a loss of $5.9 million for the six months ended June 30, 2012 to a loss of $24.8 million for the six months ended June 30, 2013. See below for additional discussion on the results of our principal investing portfolio.

The following table summarizes the components of income from our principal investment activities, net of related interest expense, for the periods indicated (dollars in thousands):

	Six Months Ended June 30,
	2013			2012
Net interest income	$	38,170		$	27,708
Investment loss, net		(24,782	)		(5,869	)

The components of net interest income from our MBS related portfolio is summarized in the following table (dollars in thousands):

	Six Months Ended June 30,
	2013								2012
	Average Balance		Income (Expense)			Yield (Cost)			Average Balance		Income (Expense)			Yield (Cost)
Agency-backed MBS	$	1,539,270	$	29,128			3.78	%	$	772,436	$	16,637			4.31	%
Private-label MBS
Senior securities		5,510		452			16.39	%		8,339		707			16.97	%
Re-REMIC securities		210,079		11,867			11.30	%		133,793		11,983			17.91	%
Other investments		451		25			10.93	%		1,078		66			12.24	%
	$	1,755,310		41,472			4.73	%	$	915,646		29,393			6.42	%
Other(1)				1								1
				41,473								29,394
Repurchase agreements	$	1,466,485		(3,303	)		(0.45	)%	$	769,064		(1,686	)		(0.43	)%
Net interest income/spread			$	38,170			4.28	%			$	27,708			5.99	%

________________

⁽¹⁾ Includes interest income on cash and other miscellaneous interest-earning assets.

The change in the composition of our MBS portfolio and related increase in net interest income by $10.5 million from the six months ended June 30, 2012 to the six months ended June 30, 2013 was primarily due to the deployment of capital raised from our public offerings during 2012 and 2013 into our MBS portfolio. Interest income from other investments represents interest on interest-only MBS.

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As discussed above, we realized net investment loss of $24.8 million for the six months ended June 30, 2013 compared to net investment loss of $5.9 million for the six months ended June 30, 2012. The following table summarizes the components of net investment loss (dollars in thousands):

	Six Months Ended June 30,
	2013			2012
Realized gains on sale of available-for-sale investments, net	$	8,489		$	—
Available-for-sale and cost method securities – other-than-temporary impairment charges		(890	)		(4,531	)
(Losses) gains on trading investments, net		(91,524	)		15,787
Gains (losses) from derivative instruments, net		59,034			(16,994	)
Other, net		109			(131	)
Investment loss, net	$	(24,782	)	$	(5,869	)

We recorded other-than-temporary impairment charges of $0.9 million and $4.5 million, respectively, for the six months ended June 30, 2013 and 2012 related to changes in expected credit performance on available-for-sale, private-label MBS with a cost basis of $1.6 million and $12.4 million, respectively, prior to recognizing the other-than-temporary impairment charges.

During the six months ended June 30, 2013, the Company received $27.8 million from the sales of $33.1 million in face value of available-for-sale MBS recognizing a net gain of $8.5 million. There were no sales of available-for-sale investments during the six months ended June 30, 2012.

The losses on trading investments, net, recognized for the six months ended June 30, 2013 were primarily the result of net mark-to-market loss adjustments of $85.1 million and net losses of $6.4 million from sales of trading investments. The losses on trading investments, net, recognized for the six months ended June 30, 2013, also reflects net realized net losses of $0.9 million on the sold securities from the acquisition price and changes in net unrealized mark-to-market loss adjustments of $90.6 million during the six months ended June 30, 2013. The gains on trading investments, net, recognized for the six months ended June 30, 2012 were primarily the result of net mark-to-market gain adjustments of $15.7 million and net gains of $0.1 million from sales of trading investments. The gains on trading investments, net, recognized for the six months ended June 30, 2012, also reflects net realized gains of $2.7 million on the sold securities from the acquisition price and changes in net unrealized mark-to-market gain adjustments of $13.1 million during the six months ended June 30, 2012.

The gains from derivative instruments recognized for the six months ended June 30, 2013 were the result of net realized gains of $3.0 million and net unrealized mark-to-market gain adjustments of $56.0 million. The gains from derivative instruments recognized for the six months ended June 30, 2013 also reflects net losses of $4.3 million from disposed derivative instruments from the acquisition price and changes in net unrealized mark-to-market gain adjustments of $63.3 million during the six months ended June 30, 2013. Losses from derivative instruments recognized for the six months ended June 30, 2012 were the result of net realized gains of $0.9 million and net unrealized mark-to-market loss adjustments of $17.9 million. Losses from derivative instruments recognized for the six months ended June 30, 2012 also reflects net losses of $0.4 million from disposed derivative instruments from the acquisition price and changes in net unrealized mark-to-market loss adjustments of $16.6 million during the six months ended June 30, 2012. The value of our hedge instruments is expected to fluctuate inversely relative to the change in value of the agency-backed MBS portfolio.

Interest expense unrelated to our principal investing activity relates to long-term debt. These costs increased to $0.5 million for the six months ended June 30, 2013 from $0.2 million for the six months ended June 30, 2012.

Other expenses decreased by $0.2 million (2.5%) from $7.9 million for the six months ended June 30, 2012 to $7.7 million for the six months ended June 30, 2013. The decrease is primarily as a result of decreases in legal expenses offset by increases in compensation expenses.

Total income tax (benefit) provision increased $2.0 million from a provision of $0.8 million for the six months ended June 30, 2012 to a benefit of $1.2 million for the six months ended June 30, 2013. Our effective tax rate was (23.4%) for the six months ended June 30, 2013 as compared to 6.0% for the same period in 2012. The effective tax rate during the six months ended June 30, 2013 was lower than the highest marginal tax rates due to the realization of previously unrecognized tax benefits including related accrued interest that were fully reserved. With the completion of the audits by the IRS for the years 2009 and 2010 in March 2013, we released $3.2 million of federal tax benefit related to an uncertain tax position and $0.5 million of related accrued interest as of June 30, 2013. The effective tax rate during the six months ended June 30, 2012 was lower than the highest marginal tax rates due to the realization of deferred tax assets that were offset by a full valuation allowance. The net deferred tax assets, which are partially offset by a valuation allowance, include NOLs, which are available to offset the current and future taxable income. We recorded an expected tax liability for the period due to the expected alternative minimum taxes.

28

Liquidity and Capital Resources

Liquidity is a measurement of our ability to meet potential cash requirements including ongoing commitments to repay borrowings, fund investments, and for other general business purposes. Our primary sources of funds for liquidity consist of short-term borrowings (e.g., repurchase agreements), principal and interest payments on MBS and proceeds from sales of MBS. Other sources of liquidity include proceeds from the offering of common stock, preferred stock, debt securities or other securities registered pursuant to our effective shelf registration statement filed with the SEC.

As previously discussed, on May 1, 2013, we completed a public offering of $25.0 million aggregate principal amount of 6.625% Senior Notes due 2023 and received net proceeds of $24.0 million after payment of underwriting commissions and expenses. In addition, under our Debt Sales Agreements, we may offer and sell, from time to time, up to $75.0 million aggregate principal amount of the Senior Notes. The Senior Notes are publically traded on the NYSE under the symbol “AIW.” As of June 30, 2013, we had not issued any Senior Notes under the Debt Sales Agreements.

On May 24, 2013, we entered into the Equity Distribution Agreements, pursuant to which we may offer and sell, from time to time, up to 1,750,000 shares of the Company’s Class A common stock. Pursuant to the Equity Distribution Agreements, shares of our common stock may be offered and sold through the Equity Sales Agents in transactions that are deemed to be “at the market” offerings as defined in Rule 415 under the Securities Act of 1933, including sales made directly on the NYSE or sales made to or through a market maker other than on an exchange or, subject to the terms of a written notice from the Company, in privately negotiated transactions. As of June 30, 2013, we had not issued any shares of the Company’s Class A common stock under the Equity Distribution Agreements. We believe these At-The-Market programs will provide us with access to additional, low cost, liquidity.

Liquidity, or ready access to funds, is essential to our business. Liquidity is of particular importance to our business and perceived liquidity issues may affect our counterparties’ willingness to engage in transactions with us. Our liquidity could be impaired due to circumstances that we may be unable to control, such as a general market disruption or an operational problem that affects us or third parties. Further, our ability to sell assets may be impaired if other market participants are seeking to sell similar assets at the same time. If we cannot obtain funding from third parties or from our subsidiaries, our results of operations could be negatively impacted.

Potential future sources of liquidity for us include existing cash balances, borrowing capacity through margin accounts and repurchase agreements and cash flows from operations, future issuances of common stock, preferred stock, debt securities or other securities registered pursuant to our shelf registration statement. Funding for agency-backed MBS through repurchase agreements continues to be available to us at rates we consider to be attractive from multiple counterparties, and we have observed increased availability for funding for private-label MBS through repurchase agreements.

Cash Flows

As of June 30, 2013, our cash and cash equivalents totaled $38.3 million, representing a net increase of $2.5 million from $35.8 million as of December 31, 2012. The cash provided by operating activities of $26.7 million was attributable primarily to net income. The cash used in investing activities of $398.8 million relates primarily to purchases of MBS, net of sales of MBS. The cash provided by financing activities of $374.5 million relates primarily to proceeds from repurchase agreements used to finance a portion of the MBS portfolio and from completed public offerings.

Sources of Funding

We believe that our existing cash balances, investments in private-label MBS, net investments in agency-backed MBS, cash flows from operations, borrowing capacity and other sources of liquidity will be sufficient to meet our cash requirements for at least the next 12 months. We have obtained, and believe we will be able to continue to obtain, short-term financing in amounts and at interest rates consistent with our financing objectives. We may, however, seek debt or equity financings, in public or private transactions, to provide capital for corporate purposes and/or strategic business opportunities, including possible acquisitions, joint ventures, alliances or other business arrangements which could require substantial capital outlays. Our policy is to evaluate strategic business opportunities, including acquisitions and divestitures, as they arise. There can be no assurance that we will be able to generate sufficient funds from future operations, or raise sufficient debt or equity on acceptable terms, to take advantage of investment opportunities that become available. Should our needs ever exceed these sources of liquidity, we believe that most of our investments could be sold, in most circumstances, to provide cash. However, we may be required to sell our assets in such instances at depressed prices.

As of June 30, 2013, our liabilities totaled $1.9 billion. In addition to other payables and accrued expenses, our indebtedness consisted of repurchase agreements and long-term debt. As of June 30, 2013, we had $40.0 million of total long-term debt. Our trust preferred securities with a principal amount of $15.0 million outstanding as of June 30, 2013 accrues and requires payment of interest quarterly at annual rates of three-month LIBOR plus 2.25% to 3.00% and matures between 2033 and 2035. Our Senior Notes with a principal amount of $25.0 million outstanding as of June 30, 2013 accrues and requires payment of interest quarterly at an annual rate of 6.625% and mature on May 1, 2023. As of June 30, 2013, our debt-to-equity leverage ratio was 3.4 to 1.

29

We also have short-term financing facilities that are structured as repurchase agreements with various financial institutions to primarily fund our portfolio of agency-backed MBS. As of June 30, 2013, the weighted-average interest rate under these agreements was 0.43%. Our repurchase agreements include provisions contained in the standard master repurchase agreement as published by the Securities Industry and Financial Markets Association and may be amended and supplemented in accordance with industry standards for repurchase facilities. Our repurchase agreements include financial covenants, with which the failure to comply would constitute an event of default under the applicable repurchase agreement. Similarly, each repurchase agreement includes events of insolvency and events of default on other indebtedness. As provided in the standard master repurchase agreement as typically amended, upon the occurrence of an event of default or termination event the applicable counterparty has the option to terminate all repurchase transactions under such counterparty’s repurchase agreement and to demand immediate payment of any amount due from us to the counterparty.

Under our repurchase agreements, we may be required to pledge additional assets to our repurchase agreement counterparties in the event the estimated fair value of the existing pledged collateral under such agreements declines and such lenders demand additional collateral (i.e., a margin call), which may take the form of additional securities or cash. Margin calls on repurchase agreements collateralized by our MBS investments primarily result from events such as declines in the value of the underlying mortgage collateral caused by factors such as rising interest rates or prepayments.

To date, we have not had any margin calls on our repurchase agreements that we were not able to satisfy with either cash or additional pledged collateral. However, should we encounter increases in interest rates or prepayments, margin calls on our repurchase agreements could result in a material adverse change in our liquidity position.

In the event that market conditions are such that we are unable to obtain financing for our investments in MBS in amounts and at interest rates consistent with our financing objectives, to the extent deemed appropriate, we may use cash to finance our investments or we may liquidate such investments. Accordingly, depending on market conditions, we may incur significant losses on any such sales of MBS.

The following table provides information regarding our outstanding repurchase agreement borrowings as of the dates and periods indicated (dollars in thousands):

	June 30, 2013			December 31, 2012
Outstanding balance	$	1,775,316		$	1,497,191
Weighted-average rate		0.43	%		0.52	%
Weighted-average term to maturity		15.7 days			14.5 days
Maximum amount outstanding at any month-end during the period	$	1,801,383		$	1,497,191

  Assets

Our principal assets consist of MBS, cash and cash equivalents, receivables, deposits, long-term investments and deferred tax assets. As of June 30, 2013, liquid assets consisted primarily of cash and cash equivalents of $38.3 million and net investments in MBS of $373.8 million. Cash equivalents consist primarily of money market funds invested in debt obligations of the U.S. government. Our total assets increased from $2.1 billion at December 31, 2012 to $2.5 billion as of June 30, 2013. The increase in total assets reflects the deployment of capital raised from our public offerings during the six months ended June 30, 2013 into our MBS portfolio. As of June 30, 2013, the total par and fair value of the MBS portfolio was $2.2 billion and $2.1 billion, respectively. As of June 30, 2013, the weighted-average coupon of the portfolio was 4.04%.

  Dividends

Pursuant to our variable dividend policy, our Board of Directors evaluates dividends on a quarterly basis and, in its sole discretion, approves the payment of dividends. Our dividend payments, if any, may vary significantly from quarter to quarter. The Board of Directors has approved and we have declared the following dividends to date in 2013:

Quarter Ended	Dividend Amount		Declaration Date	Record Date	Pay Date
June 30	$	0.875	June 17	June 28	July 31
March 31		0.875	March 15	March 28	April 30

The Board of Directors approved and the Company declared and paid the following dividends for 2012:

Quarter Ended	Dividend Amount		Declaration Date	Record Date	Pay Date
December 31	$	0.875	December 5	December 17	December 31
September 30		0.875	September 13	September 28	October 31
June 30		0.875	June 15	June 29	July 31
March 31		0.875	March 16	March 26	April 30

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Off-Balance Sheet Arrangements

As of June 30, 2013 and December 31, 2012, we did not maintain any relationships with unconsolidated entities or financial partnerships, such as entities often referred to as structured finance, special purpose or variable interest entities, established for the purpose of facilitating off-balance sheet arrangements or other contractually narrow or limited purposes. Further, as of June 30, 2013 and December 31, 2012, we had not guaranteed any obligations of unconsolidated entities or entered into any commitment or had any intent to provide funding to any such entities.

Item 3. Quantitative and Qualitative Disclosures about Market Risk

Market risk generally represents the risk of loss through a change in realizable value that can result from a change in the prices of securities, a change in the value of financial instruments as a result of changes in interest rates, a change in the volatility of interest rates or a change in the credit rating of an issuer. We monitor market and business risk, including credit, interest rate, equity, operations, liquidity, compliance, legal, reputational, and equity ownership risks through a number of control procedures designed to identify and evaluate the various risks to which our business and assets are exposed.  See “Item 1—Business” in our Annual Report on Form 10-K for the year ended December 31, 2012 for a discussion of our risk management strategies.

We are exposed to the following market risks as a result of our investments in MBS and equity investments.

Credit Risk

Although we do not expect to encounter credit risk in our agency-backed MBS portfolio assuming Fannie Mae and Freddie Mac remain solvent, we are exposed to credit risk in our private-label MBS portfolio. With respect to our private-label MBS, credit support contained in these MBS deal structures provides a level of protection from losses, as do the discounted purchase prices in the event of the return of less than 100% of par. We also evaluate the impact of credit risk on our investments through a comprehensive investment review and selection process, which is predominantly focused on quantifying and pricing credit risk. We review our private-label MBS based on quantitative and qualitative analysis of the risk-adjusted returns on such investments. Through modeling and scenario analysis, we seek to evaluate each investment’s credit risk. Credit risk is also monitored through our ongoing asset surveillance. Despite these measures to manage credit risk, unanticipated credit losses could nevertheless occur, which could adversely impact our operating results.

Our private-label MBS are generally purchased at a discount. We estimate the future expected cash flows based on our observation of current information and events and applying a number of assumptions related to prepayment rates, interest rates, default rates, and the timing and amount of credit losses. These assumptions are difficult to predict as they are subject to uncertainties and contingencies related to future events that may impact our estimates and interest income.

The following table represents certain statistics of our private-label MBS portfolio as of and for the three months ended June 30, 2013:

	Senior Securities			Re-REMIC Securities			Total Private-Label Securities
Yield (% of amortized cost)		16.4	%		10.6	%		10.7	%
Average cost (% of face value)		61.7	%		51.2	%		51.4	%
Weighted-average coupon		2.5	%		3.9	%		3.9	%
Delinquencies greater than 60 plus days		30.4	%		18.7	%		18.9	%
Credit enhancement		—			0.6	%		0.6	%
Severity (three months average)		66.2	%		45.4	%		45.9	%
Constant prepayment rate (three months average)		13.3	%		16.2	%		16.1	%

Key credit and prepayment measures in our private-label MBS portfolio reflected slight improvement during the three months ended June 30, 2013. Total 60-day plus delinquencies in our private-label MBS portfolio increased to 18.9% at June 30, 2013 from 18.1% at March 31, 2013 and trailing three month average loss severities on liquidated loans decreased to 45.9% at June 30, 2013 from 47.7% at March 31, 2013. We will continue to monitor the performance of each security in our portfolio and assess the impact on the overall performance of the portfolio.

The table that follows shows the expected change in fair value for our current private-label MBS related to our principal investing activities under several hypothetical credit loss scenarios. Our private-label MBS are classified as Level 3 assets of the fair value hierarchy as they are valued using present value techniques based on estimated cash flows of the security taking into consideration various assumptions derived by management and used by other market participants. These assumptions include, among others, interest rates, prepayment rates, discount rates, credit loss rates, and the timing of cash flows and credit losses. Credit default and loss severity rates can significantly affect the prices of private-label MBS. While it is impossible to project the exact amount of changes in value, the table below illustrates the impact a 10% increase and a 10% decrease in the credit default and loss severity rates from those used as our valuation assumptions would have on the value of our total assets and our book value as of June 30, 2013. The changes in rates are assumed to occur instantaneously. Actual changes in market conditions are likely to be different from these assumptions (dollars in thousands, except per share amounts).

31

	June 30, 2013
	Value		Value with 10% Increase in Default Rate		Percent Change			Value with 10% Decrease in Default Rate		Percent Change			Value with 10% Increase in Loss Severity Rate		Percent Change			Value with 10% Decrease in Loss Severity Rate		Percent Change
Assets
MBS, Private-label	$	328,920	$	320,444		(2.58	)%	$	337,721		2.68	%	$	317,807		(3.38	)%	$	340,057		3.39	%
MBS, Agency		1,820,217		1,820,217		—			1,820,217		—			1,820,217		—			1,820,217		—
Other		310,916		310,916		—			310,916		—			310,916		—			310,916		—
Total assets	$	2,460,053	$	2,451,577		(0.34	)%	$	2,468,854		0.36	%	$	2,448,940		(0.45	)%	$	2,471,190		0.45	%
Liabilities	$	1,919,461	$	1,919,461		—		$	1,919,461		—		$	1,919,461		—		$	1,919,461		—
Equity		540,592		532,116		(1.57	)%		549,393		1.63	%		529,479		(2.06	)%		551,729		2.06	%
Total liabilities and equity	$	2,460,053	$	2,451,577		(0.34	)%	$	2,468,854		0.36	%	$	2,448,940		(0.45	)%	$	2,471,190		0.45	%
Book value per share	$	32.44	$	31.93		(1.57	)%	$	32.96		1.63	%	$	31.77		(2.06	)%	$	33.11		2.06	%

Interest Rate Risk

  Leveraged MBS

We are also subject to interest rate risk in our MBS portfolio. Some of our MBS positions are financed with repurchase agreements, which are interest rate sensitive financial instruments. We are exposed to interest rate risk that fluctuates based on changes in the level or volatility of interest rates and mortgage prepayments and in the shape and slope of the yield curve. We attempt to hedge a portion of our exposure to interest rate fluctuations through the use of Eurodollar futures and U.S. Treasury note futures. The counterparties to our derivative agreements at June 30, 2013 are U.S. financial institutions. We assess and monitor the counterparties’ non-performance risk and credit risk on a regular basis.

Our primary risk is related to changes in both short- and long-term interest rates, which affect us in several ways. As interest rates increase, the market value of the MBS may be expected to decline, prepayment rates may be expected to go down, and duration may be expected to extend. An increase in interest rates is beneficial to the market value of our derivative instruments. For example, for interest rate swap positions, the cash flows from receiving the floating rate portion increase and the fixed-rate paid remains the same under this scenario. If interest rates decline, the reverse is true for MBS, paying fixed and receiving floating interest rate swaps, interest rate caps, and Eurodollar and U.S. Treasury futures and MBS put option contracts.

The table that follows shows the expected change in fair value for our current MBS and derivatives related to our principal investing activities under several hypothetical interest-rate scenarios. Interest rates are defined by the U.S. Treasury yield curve. The changes in rates are assumed to occur instantaneously. It is further assumed that the changes in rates occur uniformly across the yield curve and that the level of LIBOR changes by the same amount as the yield curve. Actual changes in market conditions are likely to be different from these assumptions.

Changes in value are measured as percentage changes from their respective values presented in the column labeled “Value.” Management’s estimate of change in value for MBS is based on the same assumptions it uses to manage the impact of interest rates on the portfolio. Actual results could differ significantly from these estimates. For MBS, the estimated change in value of the MBS reflects an effective duration of 5.36 in a rising interest rate environment and 4.55 in a declining interest rate environment.

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The effective durations are based on observed market value changes, as well as management’s own estimate of the effect of interest rate changes on the fair value of the investments including assumptions regarding prepayments based, in part, on age of and interest rate on the mortgages underlying the MBS, prior exposure to refinancing opportunities, and an overall analysis of historical prepayment patterns under a variety of past interest rate conditions (dollars in thousands, except per share amounts).

	June 30, 2013
	Value		Value with 100 Basis Point Increase in Interest Rates		Percent Change			Value with 100 Basis Point Decrease in Interest Rates			Percent Change
Assets
MBS	$	2,149,137	$	2,033,890		(5.36	)%	$	2,246,960			4.55	%
Derivative asset		49,827		152,087		205.23	%		(45,221	)		(190.76	)%
Other		261,089		261,089		—			261,089			—
Total assets	$	2,460,053	$	2,447,066		(0.53	)%	$	2,462,828			0.11	%
Liabilities
Repurchase agreements	$	1,775,316	$	1,775,316		—		$	1,775,316			—
Derivative liability		63,328		65,199		2.95	%		68,396			8.00	%
Other		80,817		80,817		—			80,817			—
Total liabilities		1,919,461		1,921,332		0.10	%		1,924,529			0.26	%
Equity		540,592		525,734		(2.75	)%		538,299			(0.42	)%
Total liabilities and equity	$	2,460,053	$	2,447,066		(0.53	)%	$	2,462,828			0.11	%
Book value per share	$	32.44	$	31.55		(2.75	)%	$	32.30			(0.42	)%

Equity Price Risk

Although limited, we are exposed to equity price risk as a result of our investments in equity securities and investment partnerships. Equity price risk changes as the volatility of equity prices changes or the values of corresponding equity indices change.

While it is impossible to exactly project what factors may affect the prices of equity sectors and how much the effect might be, the table below illustrates the impact a 10% increase and a 10% decrease in the price of the equities held by us would have on the value of our total assets and our book value as of June 30, 2013 (dollars in thousands, except per share amounts).

	June 30, 2013
	Value		Value with 10% Increase in Price		Percent Change			Value with 10% Decrease in Price		Percent Change
Assets
Equity and cost method investments	$	1,731	$	1,904		10.00	%	$	1,558		(10.00	)%
Other		2,458,322		2,458,322		—			2,458,322		—
Total assets	$	2,460,053	$	2,460,226		0.01	%	$	2,459,880		(0.01	)%
Liabilities	$	1,919,461	$	1,919,461		—		$	1,919,461		—
Equity		540,592		540,765		0.03	%		540,419		(0.03	)%
Total liabilities and equity	$	2,460,053	$	2,460,226		0.01	%	$	2,459,880		(0.01	)%
Book value per share	$	32.44	$	32.45		0.03	%	$	32.43		(0.03	)%

Except to the extent that we sell our equity securities or other investments, or a decrease in their fair value is deemed to be other-than-temporary, an increase or decrease in the fair value of those assets will not directly affect our earnings; however, an increase or decrease in the value of equity method investments will directly affect our earnings.

Inflation Risk

Virtually all of our assets and liabilities are interest rate sensitive in nature. As a result, interest rates and other factors influence our performance far more than inflation.  Changes in interest rates do not necessarily correlate with inflation rates or changes in inflation rates.  Our financial statements are prepared in accordance with GAAP and our distributions are determined by our Board of Directors in its sole discretion pursuant to our variable dividend policy; in each case, our activities and balance sheet are measured with reference to fair value without considering inflation.

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Item 4. Controls and Procedures

Conclusion Regarding the Effectiveness of Disclosure Controls and Procedures

As of the end of the period covered by this Quarterly Report on Form 10-Q, our management, with the participation of our Chief Executive Officer, Eric F. Billings, and our Chief Financial Officer, Kurt R. Harrington, carried out an evaluation of the effectiveness of our disclosure controls and procedures (as defined under Rule 13a-15(e) under the Securities Exchange Act of 1934, as amended (the Exchange Act)) pursuant to Rule 13a-15(b) of the Exchange Act. Based upon that evaluation, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures are effective to ensure that information required to be disclosed by us in the reports that we file or submit under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms, and that such information is accumulated and communicated to our management, including our Chief Executive Officer and Chief Financial Officer, as appropriate, to allow timely decisions regarding disclosure.

Changes in Internal Control Over Financial Reporting

There has been no change in our internal control over financial reporting during the quarter ended June 30, 2013 that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

Cautionary Statement About Forward-Looking Statements

When used in this Quarterly Report on Form 10-Q, in future filings with the SEC or in press releases or other written or oral communications, statements which are not historical in nature, including those containing words such as “believe,” “expect,” “anticipate,” “estimate,” “plan,” “continue,” “intend,” “should,” “may” or similar expressions, are intended to identify “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended (the Securities Act), and Section 21E of the Exchange Act and, as such, may involve known and unknown risks, uncertainties and assumptions. The forward-looking statements we make in this Quarterly Report on Form 10-Q include, but are not limited to, statements about the following:

● the availability and terms of, and our ability to deploy, capital and our ability to grow our business through a strategy focused on acquiring primarily residential mortgage-backed securities (MBS) that are either issued by U.S. government agencies or guaranteed as to principal and interest by U.S. government agencies or U.S. government sponsored agencies (agency-backed MBS), and MBS issued by private organizations (private-label MBS);

● our ability to forecast our tax attributes, which are based upon various facts and assumptions, and our ability to protect and use our net operating losses (NOLs), and net capital losses (NCLs), to offset future taxable income and gains;

● our investment, hedging and financing strategies and the success of these strategies;

● the effect of changes in prepayment rates, interest rates and default rates on our portfolio;

● the effect of governmental regulation and actions;

● the outcome of contingencies, including pending legal and regulatory proceedings;

● our ability to quantify and manage risk;

● our ability to realize any reflation of our assets;

● our ability to reverse unrecognized state tax benefit related to an uncertain tax position and related accrued interest on the terms described, if at all;

● our liquidity;

● our asset valuation policies;

● our decisions with respect to, and ability to make, future dividends;

● our ability to maintain our exclusion from the definition of “investment company” under the Investment Company Act of 1940, as amended (1940 Act); and

● the effect of general economic conditions on our business.

Forward-looking statements are based on our beliefs, assumptions and expectations of our future performance, taking into account information currently in our possession.  These beliefs, assumptions and expectations may change as a result of many possible events or factors, not all of which are known to us or are within our control.  If a change occurs, the performance of our portfolio and our business, financial condition, liquidity and results of operations may vary materially from those expressed, anticipated or contemplated in our forward-looking statements. You should carefully consider these risks, along with the following factors that could cause actual results to vary from our forward-looking statements, before making an investment in our securities:

● the overall environment for interest rates, changes in interest rates, interest rate spreads, the yield curve and prepayment rates;

● current conditions and further adverse developments in the residential mortgage market and the overall economy;

● potential risk attributable to our mortgage-related portfolios, including changes in fair value;

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● our use of leverage and our dependence on repurchase agreements and other short-term borrowings to finance our mortgage-related holdings;

● the availability of certain short-term liquidity sources;

● the federal conservatorship of the Federal National Mortgage Association (Fannie Mae) and the Federal Home Loan Mortgage Corporation (Freddie Mac) and related efforts, along with any changes in laws and regulations affecting the relationship between Fannie Mae and Freddie Mac and the federal government;

● mortgage loan prepayment activity, modification programs and future legislative action;

● changes in our acquisition, hedging and leverage strategies, changes in our asset allocation and changes in our operational policies, all of which may be changed by us without shareholder approval;

● competition for investment opportunities, including competition from the U.S. Department of Treasury (U.S. Treasury) and the Federal Reserve, for investments in agency-backed MBS;

● failure of sovereign or municipal entities to meet their debt obligations or a downgrade in the credit rating of such debt obligations;

● fluctuating quarterly operating results;

● changes in laws and regulations and industry practices that may adversely affect our business;

● volatility of the securities markets and activity in the secondary securities markets;

● effects of regulatory proceedings, litigation and contractual claims against us, our officers and our directors; and

● the other important factors identified in our Annual Report on Form 10-K for the year ended December 31, 2012 under the caption “Item 1A-Risk Factors”.

These and other risks, uncertainties and factors, including those described elsewhere in this Quarterly Report on Form 10-Q, could cause our actual results to differ materially from those projected in any forward-looking statements we make. All forward-looking statements speak only as of the date on which they are made. New risks and uncertainties arise over time and it is not possible to predict those events or how they may affect us. Except as required by law, we are not obligated to, and do not intend to, update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

35

PART II

OTHER INFORMATION

Item 1. Legal Proceedings

We are from time to time involved in civil lawsuits, legal proceedings and arbitration matters relating to our business that we consider to be in the ordinary course.  There can be no assurance that these matters individually or in aggregate will not have a material adverse effect on our financial condition or results of operations in a future period.  We are also subject to the risk of litigation, including litigation that may be without merit.  As we intend to actively defend such litigation, significant legal expenses could be incurred.  An adverse resolution of any future litigation against us could materially affect our financial condition, results of operations and liquidity.  Furthermore, we operate in highly-regulated markets that currently are under intense regulatory scrutiny, and we have received, and we expect in the future that we may receive, inquiries and requests for documents and information from various federal, state and foreign regulators.  However, we believe that the continued scrutiny of MBS, structured financed and derivative market participants increases the risk of additional inquiries and requests from regulatory or enforcement agencies.  We cannot provide any assurance that these inquiries and requests will not result in further investigation of or the initiation of a proceeding against us or that, if any such investigation or proceeding were to arise, it would not materially adversely affect our Company.

Item 1A. Risk Factors

Separate legislation has been introduced in both houses of the U.S. Congress, which would, among other things, revoke the charters of Fannie Mae and Freddie Mac. We could be materially adversely affected if new legislation affecting Fannie Mae or Freddie Mac is enacted.

On June 25, 2013, a bipartisan group of senators introduced the Housing Finance Reform and Taxpayer Protection Act of 2013, which may serve as a catalyst for congressional discussion on the reform of Fannie Mae and Freddie Mac, to the U.S. Senate. On July 11, 2013, members of the House Committee on Financial Services introduced the Protecting American Taxpayers and Homeowners Act to the U.S. House of Representatives.

While the two bills are distinguishable in many respects, they have some notable commonalities. Both bills call for the revocation of the charters of Fannie Mae and Freddie Mac and seek to increase the opportunities for private capital to participate in, and consequently bear the risk of loss in connection with, government-guaranteed mortgage-backed securities. Both bills also have considerable support in their respective houses of Congress, which suggests that efforts to reform and possibly eliminate Fannie Mae and Freddie Mac may be gaining momentum.

The passage of any new legislation affecting Fannie Mae and Freddie Mac may create market uncertainty and reduce the actual or perceived credit quality of securities issued or guaranteed by the U.S. government through a new or existing successor entity to Fannie Mae and Freddie Mac. If the charters of Fannie Mae and Freddie Mac were revoked, it is unclear what effect, if any, this would have on the value of the existing Fannie Mae and Freddie Mac agency-backed MBS. It is also possible that the above-referenced proposed legislation, if made law, could adversely impact the market for securities issued or guaranteed by the U.S. government and the spreads at which they trade. The foregoing could materially adversely affect the pricing, supply, liquidity and value of our target assets and otherwise materially adversely affect our business, operations and financial condition.

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

Purchases of Equity Securities by the Issuer

During the three months ended June 30, 2013, we did not repurchase any shares of our Class A common stock.

Item 3. Defaults Upon Senior Securities

None.

Item 4. Mine Safety Disclosures

Not applicable.

Item 5. Other Information

None. 

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Item 6. Exhibits

Exhibit Number	Exhibit Title
3.1	Amended and Restated Articles of Incorporation of the Company, as amended (incorporated by reference to Exhibit 3.1 to the Company’s Quarterly Report on Form 10-Q filed on November 9, 2009).
3.2	Amended and Restated Bylaws of the Company, as amended (incorporated by reference to Exhibit 3.1 to the Company’s Current Report on Form 8-K filed on July 28, 2011).
4.1	Indenture dated as of May 1, 2013 between the Company and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 4.1 of the Company’s Current Report on Form 8-K filed on May 1, 2013).
4.2	First Supplemental Indenture dated as of May 1, 2013 between the Company and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 4.2 of the Company’s Current Report on Form 8-K filed on May 1, 2013).
10.1	At-the-Market Issuance Sales Agreement, dated May 10, 2013, by and between the Company and MLV & Co. LLC (incorporated by reference to Exhibit 1.1 of the Company’s Current Report on Form 8-K filed on May 13, 2013).
10.2	At-the-Market Issuance Sales Agreement, dated May 10, 2013, by and between the Company and JMP Securities LLC (incorporated by reference to Exhibit 1.2 of the Company’s Current Report on Form 8-K filed on May 13, 2013).
10.3	Equity Distribution Agreement, dated May 24, 2013, by and between the Company and RBC Capital Markets, LLC (incorporated by reference to Exhibit 1.1 of the Company’s Current Report on Form 8-K filed on May 28, 2013).
10.4	Equity Distribution Agreement, dated May 24, 2013, by and between the Company and JMP Securities LLC (incorporated by reference to Exhibit 1.2 of the Company’s Current Report on Form 8-K filed on May 28, 2013).
10.5	Equity Distribution Agreement, dated May 24, 2013, by and between the Company and Ladenburg Thalmann & Co. Inc. (incorporated by reference to Exhibit 1.3 of the Company’s Current Report on Form 8-K filed on May 28, 2013).
10.6	Equity Distribution Agreement, dated May 24, 2013, by and between the Company and MLV & Co. LLC (incorporated by reference to Exhibit 1.4 of the Company’s Current Report on Form 8-K filed on May 28, 2013).
12.01	Computation of Ratio of Earnings to Fixed Charges.*
31.01	Certification of Chief Executive Officer pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended, adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.*
31.02	Certification of Chief Financial Officer pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended, adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.*
32.01	Certification of Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.**
32.02	Certification of Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.**
101.INS	INSTANCE DOCUMENT***
101.SCH	SCHEMA DOCUMENT***
101.CAL	CALCULATION LINKBASE DOCUMENT***
101.LAB	LABELS LINKBASE DOCUMENT***
101.PRE	PRESENTATION LINKBASE DOCUMENT***
101.DEF	DEFINITION LINKBASE DOCUMENT***

* Filed herewith.

** Furnished herewith.

*** Submitted electronically herewith. Attached as Exhibit 101 are the following materials from the Company’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2013, formatted in XBRL (eXtensible Business Reporting Language): (i) Consolidated Balance Sheets at June 30, 2013 and December 31, 2012; (ii) Consolidated Statements of Comprehensive Income for the Three and Six Months Ended June 30, 2013 and 2012; (iii) Consolidated Statements of Changes in Equity for the Six Months Ended June 30, 2013 and the Year Ended December 31, 2012; and (iv) Consolidated Statements of Cash Flows for the Six Months Ended June 30, 2013 and 2012. Pursuant to Rule 406T of Regulation S-T this data is deemed not filed or part of a registration statement or prospectus for purposes of sections 11 or 12 of the Securities Act of 1933, is deemed not filed for purposes of section 18 of the Securities and Exchange Act of 1934, and otherwise is not subject to liability under these sections.

37

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) 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.

	ARLINGTON ASSET INVESTMENT CORP.
	By:	/s/ KURT R. HARRINGTON
		Kurt R. Harrington
		Executive Vice President, Chief Financial Officer, and
		Chief Accounting Officer
		(Principal Financial Officer)
Date: August 2, 2013

38

EXHIBIT INDEX

Exhibit Number	Exhibit Title
3.1	Amended and Restated Articles of Incorporation of the Company, as amended (incorporated by reference to Exhibit 3.1 to the Company’s Quarterly Report on Form 10-Q filed on November 9, 2009).
3.2	Amended and Restated Bylaws of the Company, as amended (incorporated by reference to Exhibit 3.1 to the Company’s Current Report on Form 8-K filed on July 28, 2011).
4.1	Indenture dated as of May 1, 2013 between the Company and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 4.1 of the Company’s Current Report on Form 8-K filed on May 1, 2013).
4.2	First Supplemental Indenture dated as of May 1, 2013 between the Company and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 4.2 of the Company’s Current Report on Form 8-K filed on May 1, 2013).
10.1	At-the-Market Issuance Sales Agreement, dated May 10, 2013, by and between the Company and MLV & Co. LLC (incorporated by reference to Exhibit 1.1 of the Company’s Current Report on Form 8-K filed on May 13, 2013).
10.2	At-the-Market Issuance Sales Agreement, dated May 10, 2013, by and between the Company and JMP Securities LLC (incorporated by reference to Exhibit 1.2 of the Company’s Current Report on Form 8-K filed on May 13, 2013).
10.3	Equity Distribution Agreement, dated May 24, 2013, by and between the Company and RBC Capital Markets, LLC (incorporated by reference to Exhibit 1.1 of the Company’s Current Report on Form 8-K filed on May 28, 2013).
10.4	Equity Distribution Agreement, dated May 24, 2013, by and between the Company and JMP Securities LLC (incorporated by reference to Exhibit 1.2 of the Company’s Current Report on Form 8-K filed on May 28, 2013).
10.5	Equity Distribution Agreement, dated May 24, 2013, by and between the Company and Ladenburg Thalmann & Co. Inc. (incorporated by reference to Exhibit 1.3 of the Company’s Current Report on Form 8-K filed on May 28, 2013).
10.6	Equity Distribution Agreement, dated May 24, 2013, by and between the Company and MLV & Co. LLC (incorporated by reference to Exhibit 1.4 of the Company’s Current Report on Form 8-K filed on May 28, 2013).
12.01	Computation of Ratio of Earnings to Fixed Charges.*
31.01	Certification of Chief Executive Officer pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended, adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.*
31.02	Certification of Chief Financial Officer pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended, adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.*
32.01	Certification of Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.**
32.02	Certification of Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.**
101.INS	INSTANCE DOCUMENT***
101.SCH	SCHEMA DOCUMENT***
101.CAL	CALCULATION LINKBASE DOCUMENT***
101.LAB	LABELS LINKBASE DOCUMENT***
101.PRE	PRESENTATION LINKBASE DOCUMENT***
101.DEF	DEFINITION LINKBASE DOCUMENT***

* Filed herewith.

** Furnished herewith.

*** Submitted electronically herewith. Attached as Exhibit 101 are the following materials from the Company’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2013, formatted in XBRL (eXtensible Business Reporting Language): (i) Consolidated Balance Sheets at June 30, 2013 and December 31, 2012; (ii) Consolidated Statements of Comprehensive Income for the Three and Six Months Ended June 30, 2013 and 2012; (iii) Consolidated Statements of Changes in Equity for the Six Months Ended June 30, 2013 and the Year Ended December 31, 2012; and (iv) Consolidated Statements of Cash Flows for the Six Months Ended June 30, 2013 and 2012. Pursuant to Rule 406T of Regulation S-T this data is deemed not filed or part of a registration statement or prospectus for purposes of sections 11 or 12 of the Securities Act of 1933, is deemed not filed for purposes of section 18 of the Securities and Exchange Act of 1934, and otherwise is not subject to liability under these sections.

39

EX-12.01

Exhibit 12.01

Computation of Ratio of Earnings to Fixed Charges

(dollars in thousands)

	Six Months Ended		Year Ended December 31,
	June 30, 2013		2012		2011		2010		2009		2008
Pre-tax income (loss) from continuing operations adjusted to exclude income or loss from equity investees	$	5,269	$	30,788	$	16,753	$	27,087	$	140,981	$	(303,203	)
Distributed income of equity investees		32		384		266		222		326		7,355
Fixed charges:
Interest expense and amortization of debt discount and premium on all indebtedness		3,824		4,965		2,508		1,155		3,645		72,751
Rentals		40		88		58		54		77		251
Total fixed charges	$	3,864	$	5,053	$	2,566	$	1,209	$	3,722	$	73,002
Pre-tax income (loss) from continuing operations adjusted to exclude income or loss from equity investees plus fixed charges and distributed income of equity investees	$	9,165	$	36,225	$	19,585	$	28,518	$	145,029	$	(222,846	)
Ratio of earnings to fixed charges		2.4		7.2		7.6	23.6		39.0		(A)

(A) Due to the Company's loss in 2008, the ratio coverage in this year was less than 1:1. The Company would have had to generate additional earnings of $295,848 to achieve coverage of 1:1 in this year.

EX-31.01

Exhibit 31.01

CERTIFICATION

I, Eric F. Billings, certify that:

1.I have reviewed this Quarterly Report on Form 10-Q for the quarter ended June 30, 2013 of Arlington Asset Investment Corp.;

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(s) 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 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, including its consolidated subsidiaries, is made known to us by others within those entities, 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 (the registrant’s fourth fiscal quarter in the case of an annual report) 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(s) 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:  August 2, 2013	/s/ ERIC F. BILLINGS
	Eric F. Billings
	Chief Executive Officer

EX-31.02

Exhibit 31.02

CERTIFICATION

I, Kurt R. Harrington, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q for the quarter ended June 30, 2013 of Arlington Asset Investment Corp.;

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(s) 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 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, including its consolidated subsidiaries, is made known to us by others within those entities, 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 (the registrant’s fourth fiscal quarter in the case of an annual report) 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(s) 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:  August 2, 2013	/s/ KURT R. HARRINGTON
	Kurt R. Harrington
	Executive Vice President, Chief Financial Officer,
	and  Chief
	Accounting Officer
	(Principal Financial Officer)

EX-32.01

Exhibit 32.01

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of Arlington Asset Investment Corp. (the “Company”) for the period ended June 30, 2013, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Eric F. Billings, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

(1) the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:  August 2, 2013	/s/ ERIC F. BILLINGS
	Eric F. Billings
	Chief Executive Officer

EX-32.02

Exhibit 32.02

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of Arlington Asset Investment Corp. (the “Company”) for the period ended June 30, 2013, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Kurt R. Harrington, Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

(1) the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:  August 2, 2013	/s/ KURT R. HARRINGTON
	Kurt R. Harrington
	Executive Vice President, Chief Financial Officer,
	and  Chief
	Accounting Officer
	(Principal Financial Officer)

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Subsequent Events

6 Months Ended

Jun. 30, 2013

Subsequent Events [Abstract]

Subsequent Events [Text Block]

9. Subsequent Events:

On July 1, 2013, the Company granted an aggregate of 34,221 Book Value PSUs and 34,567 TSR PSUs to the participants in the Performance-based Program (2013 PSU Grants). For the 2013 PSU grants, the Compensation Committee awarded PSUs with an aggregate grant date fair value equal to 100% of the awardee’s base salary, with 50% of the total grant date fair value represented by Book Value PSUs and 50% of the total grant date fair value represented by TSR PSUs. The 2013 PSU Grants have a three-year performance period.

The actual number of shares of Class A common stock that will be issued to each participant at the end of the applicable performance period will vary between 0% and 250% of the number of PSUs granted, depending on performance results. If the threshold level of performance goals are not achieved, no PSUs are earned. Participants will earn 50% of the granted PSUs for Company performance at the threshold level, 100% of the granted PSUs for Company performance at the target level and 250% of the granted PSUs for Company performance at the maximum level, with linear interpolation for achievement falling between the performance levels.

XML

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Interest income	$ 23,145	$ 16,031	$ 41,473	$ 29,394
Interest expense
Interest on short-term debt	1,814	994	3,303	1,686
Interest on long-term debt	406	123	521	248
Total interest expense	2,220	1,117	3,824	1,934
Net interest income	20,925	14,914	37,649	27,460
Other loss, net
Investment loss, net	(11,253)	(8,677)	(24,782)	(5,869)
Other loss	(4)	(4)	(8)	(8)
Total other loss, net	(11,257)	(8,681)	(24,790)	(5,877)
Operating income before other expenses	9,668	6,233	12,859	21,583
Other expenses
Compensation and benefits	2,643	2,101	4,992	4,061
Professional services	555	891	1,676	2,475
Business development	30	55	62	72
Occupancy and equipment	111	150	232	245
Communications	46	53	93	105
Other operating expenses	535	460	641	898
Total other expenses	3,920	3,710	7,696	7,856
Income before income taxes	5,748	2,523	5,163	13,727
Income tax provision (benefit)	2,554	379	(1,208)	821
Net income	3,194	2,144	6,371	12,906
Basic earnings per share (in dollars per share)	$ 0.19	$ 0.22	$ 0.42	$ 1.47
Diluted earnings per share (in dollars per share)	$ 0.19	$ 0.22	$ 0.41	$ 1.47
Dividends declared per share (in dollars per share)	$ 0.875	$ 0.875	$ 1.75	$ 1.75
Weighted-average shares outstanding (in thousands)
Basic (in shares)	16,655	9,726	15,299	8,795
Diluted (in shares)	16,832	9,733	15,470	8,803
Other comprehensive income, net of taxes
Unrealized gains (losses) for the period on available-for-sale securities (net of taxes of $5,927, $-0-, $9,255, and $-0-, respectively)	8,528	(4,188)	13,318	(9,091)
Reclassification
Included in investment loss, net, in the statement of comprehensive income related to sales of available-for-sale securities (net of taxes of $2,215, $-0-, $2,370, and $-0-, respectively)	(3,187)	0	(3,410)	0
Included in investment loss, net, in the statement of comprehensive income related to other-than-temporary impairment charges on available-for-sale securities (net of taxes of $298, $-0-, $365, and $-0-, respectively)	430	4,531	525	4,531
Comprehensive income	$ 8,965	$ 2,487	$ 16,804	$ 8,346

XML

Financial Instruments

6 Months Ended

Jun. 30, 2013

Fair Value Disclosures [Abstract]

Financial Instruments

2. Financial Instruments:

  Fair Value of Financial Instruments

The accounting principles related to fair value measurements define fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date, not adjusted for transaction costs. Financial Accounting Standards Board (FASB) Accounting Standards Codification (ASC) 820, Fair Value Measurements and Disclosures (ASC 820), establishes a fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value into three broad levels giving the highest priority to quoted prices in active markets for identical assets or liabilities (Level 1) and the lowest priority to unobservable inputs (Level 3) as described below:

Level 1 Inputs— Unadjusted quoted prices in active markets for identical assets or liabilities that are accessible by the Company;

Level 2 Inputs— Quoted prices in markets that are not active or financial instruments for which all significant inputs are observable, either directly or indirectly; and

Level 3 Inputs— Unobservable inputs for the asset or liability, including significant assumptions of the Company and other market participants.

The Company determines fair values for the following assets and liabilities:

Mortgage-backed securities (MBS), at fair value—

Agency-backed MBS - The Company’s agency-backed MBS, the principal and interest payments on which are guaranteed by the Federal National Mortgage Association (Fannie Mae) or the Federal Home Loan Mortgage Corporation (Freddie Mac), are generally classified within Level 2 of the fair value hierarchy as they are valued after considering quoted market prices provided by a broker or dealer, or alternative pricing sources with reasonable levels of price transparency. The Company reviews broker or pricing service quotes to determine whether the quotes are relevant, for example, whether an active market exists to provide price transparency or whether the quote is an indicative price or a binding offer. The independent brokers and dealers providing market prices are those who make markets in or specialists with expertise in the valuation of these financial instruments.

Private-label MBS - The Company classifies private-label MBS within Level 3 of the fair value hierarchy because they trade infrequently and, therefore, have little or no price transparency. The Company utilizes present value techniques based on estimated cash flows of the instrument taking into consideration various assumptions derived by management and other assumptions used by other market participants. These assumptions are corroborated by evidence such as historical data, risk characteristics, transactions in similar instruments, and completed or pending transactions, when available. The significant inputs in the Company’s valuation process include default rate, loss severity, prepayment rate and discount rate. In general, significant increases (decreases) in default rate, loss severity or discount rate, in isolation, would result in a significantly lower (higher) fair value measurement.  However, significant increases (decreases) in prepayment rate may result in a significantly higher (lower) fair value measurement. It is difficult to generalize the interrelationships between these significant inputs as the actual results could differ considerably on an individual security basis.  For example, an increase in the default rate may not increase the loss severity rate if actual losses are lower than the average.  Also, changes in discount rates may be greatly influenced by market expectation at any given point based upon many variables not directly related to the MBS market.  Therefore, each significant input is closely analyzed to ascertain the reasonableness for the Company’s valuation purposes.

Establishing fair value is inherently subjective given the volatile and sometimes illiquid markets for these private-label MBS and requires management to make a number of assumptions, including assumptions about the future of interest rates, prepayment rates, discount rates, credit loss rates, and the timing of cash flows and credit losses. The assumptions the Company applies are specific to each security. Although the Company relies on the internal calculations to compute the fair value of these private-label MBS, the Company requests and considers indications of value (mark) from third-party dealers and the actual sales of private-label MBS to assist in the valuation process and calibrate our model.

Other investments—The Company’s other investments consist of investments in equity securities, investment funds, interest-only MBS, and other MBS-related securities. Interest-only MBS is classified within Level 3 of the fair value hierarchy.

Derivative instruments—In the normal course of the Company’s operations, the Company is a party to various financial instruments that are accounted for as derivatives in accordance with ASC 815, Derivatives and Hedging (ASC 815). The derivative instruments that trade in active markets or exchanges are classified within Level 1 of the fair value hierarchy because they are valued using quoted market prices. Other derivative instruments are generally classified within Level 2 of the fair value hierarchy because they are valued using broker or dealer quotations, which are model-based calculations based on market-based inputs, including, but not limited to, contractual terms, market prices, yield curves, credit curves, measures of volatility, prepayment rates and correlations of such inputs.

Other—Cash and cash equivalents, interest receivable, deposits, other receivable, interest payable, accounts payable, accrued expenses and other liabilities are reflected in the consolidated balance sheets at their amortized cost, which approximates fair value because of the short term nature of these instruments and classified within Level 1 of the fair value hierarchy.

 —Sold securities receivable, repurchase agreements and purchased securities payable are reflected in the consolidated balance sheets at the cost basis, which approximates fair value because of the short term nature of these instruments and classified within Level 2 of the fair value hierarchy.

 —Long-term debt represents remaining balances of trust preferred debt and senior debt issued by the Company. Trust preferred debt is classified within Level 3 of the fair value hierarchy and senior debt is classified within Level 1 of the fair value hierarchy.

The estimated fair values of the Company’s financial instruments are as follows:

	June 30, 2013				December 31, 2012
	Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value
Financial assets
Cash and cash equivalents	$	38,273	$	38,273	$	35,837	$	35,837
Interest receivable		5,967		5,967		4,869		4,869
Sold securities receivable		27,192		27,192		26,773		26,773
Other receivables		253		253		644		644
MBS
Agency-backed MBS		1,820,217		1,820,217		1,556,510		1,556,510
Private-label MBS
Senior securities		7,246		7,246		7,519		7,519
Re-REMIC securities		321,674		321,674		191,567		191,567
Derivative assets		49,827		49,827		—		—
Other investments		2,125		2,125		2,347		2,347
Deposits		32,596		32,596		85,652		85,652
Financial liabilities
Repurchase agreements		1,775,316		1,775,316		1,497,191		1,497,191
Purchased securities payable		8,363		8,363		—		—
Interest payable		811		811		582		582
Long-term debt		40,000		39,700		15,000		15,000
Derivative liabilities		63,328		63,328		76,850		76,850
Accounts payable, accrued expenses and other liabilities		14,417		14,417		17,837		17,837

  Fair Value Hierarchy

The following tables set forth financial instruments accounted for under ASC 820 by level within the fair value hierarchy as of June 30, 2013 and December 31, 2012. As required by ASC 820, assets and liabilities that are measured at fair value are classified in their entirety based on the lowest level of input that is significant to the fair value measurement.

Financial Instruments Measured at Fair Value on a Recurring Basis

	June 30, 2013
	Total		Level 1		Level 2		Level 3
MBS, at fair value
Trading
Agency-backed MBS	$	1,820,168	$	—	$	1,820,168	$	—
Available-for-sale
Agency-backed MBS		49		—		49		—
Private-label MBS
Senior securities		7,246		—		—		7,246
Re-REMIC securities		321,674		—		—		321,674
Total available-for-sale		328,969		—		49		328,920
Total MBS		2,149,137		—		1,820,217		328,920
Derivative assets, at fair value		49,827		42,789		7,038		—
Derivative liabilities, at fair value		(63,328)		(59,230)		(4,098)		—
Interest-only MBS, at fair value		394		—		—		394
Total	$	2,136,030	$	(16,441)	$	1,823,157	$	329,314

	December 31, 2012
	Total		Level 1		Level 2		Level 3
MBS, at fair value
Trading
Agency-backed MBS	$	1,556,440	$	—	$	1,556,440	$	—
Available-for-sale
Agency-backed MBS		70		—		70		—
Private-label MBS
Senior securities		7,519		—		—		7,519
Re-REMIC securities		191,567		—		—		191,567
Total available-for-sale		199,156		—		70		199,086
Total MBS		1,755,596		—		1,556,510		199,086
Derivative liabilities, at fair value		(76,850)		(76,850)		—		—
Interest-only MBS, at fair value		478		—		—		478
Total	$	1,679,224	$	(76,850)	$	1,556,510	$	199,564

The total financial assets measured and reported at fair value on a recurring basis and classified within Level 3 were $329,314, or 13.39%, and $199,564, or 9.62%, of the Company’s total assets as of June 30, 2013 and December 31, 2012, respectively.

There were no transfers of securities in or out of Levels 1, 2 or 3 during the three and six months ended June 30, 2013 or the year ended December 31, 2012.

Level 3 Financial Assets and Liabilities

Financial Instruments Measured at Fair Value on a Recurring Basis

The fair value of the Company’s Level 3, available-for-sale, private-label MBS was $328,920 and $199,086 as of  June 30, 2013 and December 31, 2012, respectively. These securities are primarily senior and re-REMIC tranches in securitization trusts issued between 2005 and 2010. The senior securities represent interests in securitizations that have the first right to cash flows and absorb losses last. The re-REMIC securities represent interests in re-securitizations of senior MBS and pro-rata mezzanine securities. For re-REMIC securities, the cash flows from, and any credit losses absorbed by, the underlying MBS are allocated among the re-REMIC securities issued in the re-securitization transactions based on the re-REMIC structure. For example, prime and non-prime residential senior securities have been resecuritized to create a two-tranche structure with a re-REMIC senior security and a re-REMIC subordinated security. In these re-REMIC securities, all principal payments from the underlying securities are directed to the re-REMIC senior security until the face value is fully paid off. Thereafter, all principal payments are directed to the re-REMIC subordinated security. For pro-rata mezzanine securities, principal payments from the underlying MBS are typically allocated concurrently and proportionally to the mezzanine securities along with senior securities. The re-REMIC subordinated and mezzanine securities absorb credit losses, if any, first; however, these credit losses occur only when credit losses exceed the credit protection provided to the underlying securities. Senior, re-REMIC and mezzanine securities receive interest while any face value is outstanding.

The Company’s senior securities and re-REMIC securities were collateralized by residential Prime and Alt-A mortgage loans and had the following weighted-averages as of the dates indicated.

	June 30, 2013			December 31, 2012
Original loan-to-value		70	%		70	%
Original FICO score		726			730
Three-month prepayment rate		16	%		17	%
Three-month loss severities		46	%		46	%
Weighted average coupon		3.89	%		4.40	%

The significant unobservable inputs for the valuation model include the following weighted-averages as of the dates indicated:

	June 30, 2013						December 31, 2012
	Senior Securities			Re-REMIC Securities			Senior Securities			Re-REMIC Securities
Discount rate		6.50	%		6.69	%		6.50	%		7.43	%
Default rate		9.30	%		4.72	%		9.30	%		5.00	%
Loss severity rate		55.00	%		46.12	%		60.00	%		46.60	%
Prepayment rate		16.30	%		12.59	%		16.30	%		13.75	%

The ranges of the significant unobservable inputs for the valuation model were as follows as of the dates indicated:

	June 30, 2013						December 31, 2012
	Senior Securities			Re-REMIC Securities			Senior Securities			Re-REMIC Securities
Discount rate		6.50	%		6.00 – 10.00	%		6.50	%		6.50 – 13.25	%
Default rate		9.30	%		0.95 – 9.45	%		9.30	%		0.95 – 11.10	%
Loss severity rate		55.00	%		28.31 – 57.50	%		60.00	%		28.26 – 57.50	%
Prepayment rate		16.30	%		6.85 – 19.55	%		16.30	%		6.95 – 20.40	%

The tables below set forth a summary of changes in the fair value and gains and losses of the Company’s Level 3 financial assets and liabilities that are measured at fair value on a recurring basis for the three and six months ended  June 30, 2013 and 2012.

	Three Months Ended June 30, 2013
	Senior Securities		Re-REMIC Securities		Total
Beginning balance, April 1, 2013	$	7,400	$	268,456	$	275,856
Total net gains (losses)
Included in earnings		—		6,342		6,342
Included in other comprehensive income		(123)		9,936		9,813
Purchases		—		59,325		59,325
Sales		—		(23,019)		(23,019)
Payments, net		(255)		(5,752)		(6,007)
Accretion of discount		224		6,386		6,610
Ending balance, June 30, 2013	$	7,246	$	321,674	$	328,920
The amount of net gains (losses) for the period included in earnings      attributable to the change in unrealized gains (losses) relating to      Level 3 assets still held at the reporting date	$	—	$	(728)	$	(728)

	Three Months Ended June 30, 2012
	Senior Securities		Re-REMIC Securities		Total
Beginning balance, April 1, 2012	$	8,647	$	166,892	$	175,539
Total net gains (losses)
Included in earnings		—		(4,531)		(4,531)
Included in other comprehensive income		(74)		503		429
Purchases		—		470		470
Sales		—		—		—
Payments, net		(428)		(4,930)		(5,358)
Accretion of discount		353		6,046		6,399
Ending balance, June 30, 2012	$	8,498	$	164,450	$	172,948
The amount of net gains (losses) for the period included in earnings     attributable to the change in unrealized gains (losses) relating to     Level 3 assets still held at the reporting date	$	—	$	(4,531)	$	(4,531)

	Six Months Ended June 30, 2013
	Senior Securities		Re-REMIC Securities		Total
Beginning balance, January 1, 2013	$	7,519	$	191,567	$	199,086
Total net gains (losses)
Included in earnings		—		7,790		7,790
Included in other comprehensive income		(87)		17,803		17,716
Purchases		—		131,203		131,203
Sales		—		(27,798)		(27,798)
Payments, net		(638)		(10,758)		(11,396)
Accretion of discount		452		11,867		12,319
Ending balance, June 30, 2013	$	7,246	$	321,674	$	328,920
The amount of net gains (losses) for the period included in earnings     attributable to the change in unrealized gains (losses) relating to     Level 3 assets still held at the reporting date	$	—	$	(890)	$	(890)

	Six Months Ended June 30, 2012
	Senior Securities		Re-REMIC Securities		Total
Beginning balance, January 1, 2012	$	9,311	$	170,116	$	179,427
Total net gains (losses)
Included in earnings		—		(4,531)		(4,531)
Included in other comprehensive income		(681)		(3,773)		(4,454)
Purchases		—		470		470
Sales		—		—		—
Payments, net		(839)		(9,816)		(10,655)
Accretion of discount		707		11,984		12,691
Ending balance, June 30, 2012	$	8,498	$	164,450	$	172,948
The amount of net gains (losses) for the period included in earnings     attributable to the change in unrealized gains (losses) relating to     Level 3 assets still held at the reporting date	$	—	$	(4,531)	$	(4,531)

Gains and losses included in earnings for the three and six months ended June 30, 2013 and 2012 are reported in the following statement of comprehensive income line descriptions:

	Other Loss, Investment Loss, net
	Three Months Ended June 30,				Six Months Ended June 30,
	2013		2012		2013		2012
Total gains (losses) included in earnings for the period	$	6,342	$	(4,531)	$	7,790	$	(4,531)
Change in unrealized gains (losses) relating to assets still    held at reporting date	$	(728)	$	(4,531)	$	(890)	$	(4,531)

Level 3 Financial Instruments Measured at Fair Value on a Non-Recurring Basis

The Company also measures certain financial assets at fair value on a non-recurring basis. Adjustments to the fair value of these assets usually result from the application of lower-of-cost-or-market accounting or write-downs of individual assets due to impairments. Due to the nature of these financial assets, enterprise values are primarily used to value these financial assets. In determining the enterprise value, the Company analyzes various financial, performance and market factors to estimate fair value, including where applicable, market trading activity. As a result, these financial assets are classified within Level 3 of the fair value hierarchy. As of June 30, 2013 and December 31, 2012, these financial assets are classified within the other investments category and represent the Company’s interest in non-public equity securities and investment funds and valued at $1,731 and $1,869, respectively. For the  six months ended  June 30, 2013, the Company recorded  losses of $138, respectively, in the carrying value of these financial assets. For the three months ended June 30, 2013 and for the three and six months ended June 30, 2012, there were no changes to the carrying value of these financial assets.

MBS, at Fair Value

MBS, at fair value(1) (2), consisted of the following as of the dates indicated:

	June 30, 2013										December 31, 2012
	Fair Value		Net Unamortized Premium (Discount)		Percent of Total Fair Value			Weighted Average Life		Weighted Average Rating(3)	Fair Value		Net Unamortized Premium (Discount)		Percent of Total Fair Value			Weighted Average Life		Weighted Average Rating(3)
Trading
Fannie Mae	$	1,196,826	$	—		55.69	%		9.2	AAA	$	1,083,810	$	—		61.73	%		4.9	AAA
Freddie Mac		623,342		—		29.00	%		9.5	AAA		472,630		—		26.92	%		5.1	AAA
Available-for-sale:
Agency-backed
Fannie Mae		49		—		—			5.0	AAA		70		—		0.01	%		2.8	AAA
Private-label
Senior securities		7,246		(5,687)		0.34	%		5.0	C-		7,519		(6,519)		0.43	%		5.2	C
Re-REMIC securities		321,674		(234,497)		14.97	%		11.8	NR		191,567		(164,422)		10.91	%		11.4	NR
	$	2,149,137	$	(240,184)		100.00	%				$	1,755,596	$	(170,941)		100.00	%

(1) The Company’s MBS portfolio was primarily comprised of fixed-rate MBS at June 30, 2013 and December 31, 2012. The weighted-average coupon of the MBS portfolio at  June 30, 2013 and December 31, 2012 was 4.04% and 4.11%, respectively.

(2) As of June 30, 2013 and December 31, 2012, the Company’s MBS investments with a fair value of $1,919,775 and $1,615,421, respectively, were pledged as collateral for repurchase agreements.

(3) The securities issued by Fannie Mae and Freddie Mac are not rated by any rating agency; however, they are commonly thought of as having an implied rating of “AAA.” There is no assurance, particularly given the downgrade of the U.S.’s credit rating to “AA+” by Standard & Poors during the quarter ended September 30, 2011, that these securities would receive such a rating if they were ever rated by a rating agency. The weighted-average rating of the Company’s private-label senior securities is calculated based on face value of the securities.

The Company has generally purchased private-label MBS at a discount. The Company, at least on a quarterly basis, estimates the future expected cash flows based on the Company’s observation of current information and events and applies a number of assumptions related to prepayment rates, interest rates, default rates, loss severity rates, and the timing and amount of cash flows and credit losses. These assumptions are difficult to predict as they are subject to uncertainties and contingencies related to future events that may impact the Company’s estimates and its interest income.

Interest income on the private-label MBS that were purchased at a discount to face value is recognized based on the security’s expected effective interest rate. At acquisition, the accretable yield is calculated as the difference between the undiscounted expected cash flows and the purchase price which is expected to be accreted into interest income over the remaining life of the security on a level-yield basis. The difference between the contractually required payments and the undiscounted expected cash flows represents the non-accretable difference. Based on actual payment activities and changes in estimates of undiscounted expected future cash flows, the accretable yield and the non-accretable difference can change over time. Significant increases in the amount or timing of undiscounted expected future cash flows are recognized prospectively as an adjustment to the accretable yield.

The following table presents the changes in the accretable yield on available-for-sale, private-label MBS for the three and six months ended June 30, 2013 and 2012.

	Three Months Ended June 30,				Six Months Ended June 30,
	2013		2012		2013		2012
Beginning balance	$	261,391	$	182,867	$	207,853	$	194,619
Accretion of discount		(6,610)		(6,399)		(12,319)		(12,691)
Reclassifications, net		28,702		1,984		32,609		(3,476)
Acquisitions		50,871		1,749		113,745		1,749
Sales		(16,659)		—		(24,193)		—
Ending balance	$	317,695	$	180,201	$	317,695	$	180,201

For the available-for-sale, private-label MBS acquired during the three and six months ended June 30, 2013 and 2012, the contractually required payments receivable, the cash flow expected to be collected, and the fair value at the acquisition date were as follows for the dates indicated:

	Three Months Ended June 30,				Six Months Ended June 30,
	2013		2012		2013		2012
Contractually required payments receivable	$	148,689	$	2,219	$	332,860	$	2,219
Cash flows expected to be collected		110,195		2,219		244,948		2,219
Basis in acquired securities		59,324		470		131,203		470

The Company’s available-for-sale MBS are carried at fair value in accordance with ASC 320, Debt and Equity Securities (ASC 320), with resulting unrealized gains and losses reflected as other comprehensive income or loss. Gross unrealized gains and losses on these securities were the following as of the dates indicated:

	June 30, 2013
	Amortized
	Cost/		Unrealized
	Cost Basis(1)		Gains		Losses		Fair Value
Agency-backed MBS	$	45	$	4	$	—	$	49
Private-label MBS
Senior securities		5,425		1,821		—		7,246
Re-REMIC securities		266,371		55,466		(163)		321,674
Total	$	271,841	$	57,291	$	(163)	$	328,969

(1) The amortized cost of MBS includes unamortized net discounts of $240,184 at June 30, 2013.

	December 31, 2012
	Amortized
	Cost/		Unrealized
	Cost Basis(1)		Gains		Losses		Fair Value
Agency-backed MBS	$	64	$	6	$	—	$	70
Private-label MBS
Senior securities		5,611		1,908		—		7,519
Re-REMIC securities		154,067		37,500		—		191,567
Total	$	159,742	$	39,414	$	—	$	199,156

(1) The amortized cost of MBS includes unamortized net discounts of $170,941 at December 31, 2012.

For the three and six months ended June 30, 2013, the Company recorded other-than-temporary impairment charges of $728  and $ 890, respectively, as a component of investment loss, net on the consolidated statements of comprehensive income related to deterioration in credit quality on available-for-sale, private-label MBS with a cost basis of $ 1,341 and $1,584, respectively, prior to recognizing the other-than-temporary impairment charges. The Company recorded other-than-temporary impairment charges of $4,531 on MBS during the three  and six months ended June 30, 2012.

The following table presents a summary of other-than-temporary impairment charges included in earnings for the periods indicated and cumulative other-than-temporary impairment charges recognized on the MBS held as of the dates indicated:

	Three Months Ended June 30,				Six Months Ended June 30,
	2013		2012		2013		2012
Cumulative other-than-temporary impairment, beginning    balance	$	22,555	$	8,594	$	23,768	$	8,594
Additions
Other-than-temporary impairments not previously    recognized		—		4,174		—		4,174
Increases related to other-than-temporary impairments     on securities with previously recognized other-than-     temporary impairments		728		357		890		357
Reductions
Decreases related to other-than-temporary impairments    on sold securities with previously recognized other-    than-temporary impairments		—		—		(1,375)		—
Cumulative other-than-temporary impairment, ending    balance	$	23,283	$	13,125	$	23,283	$	13,125

The following table presents the results of sales of MBS for the periods indicated:

	Three Months Ended June 30,								Six Months Ended June 30,
	2013				2012				2013				2012
	Agency- Backed MBS		Private- Label MBS		Agency- Backed MBS		Private- Label MBS		Agency- Backed MBS		Private- Label MBS		Agency- Backed MBS		Private- Label MBS
Proceeds from sales	$	196,113	$	23,020	$	90,519	$	—	$	527,738	$	27,798	$	112,128	$	—
Gross gains		529		6,928		376		—		531		8,489		341		—
Gross losses		1,655		—		228		—		6,973		—		251		—

Other Investments

The Company’s other investments consisted of the following as of the dates indicated:

	June 30, 2013		December 31, 2012
Interest-only MBS	$	394	$	478
Non-public equity securities		975		975
Investment funds		756		894
Total other investments	$	2,125	$	2,347

XML

Financial Instruments (Details 1) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
MBS, at fair value Trading
Agency-backed MBS	$ 1,820,168	$ 1,556,440
Available-for-sale
Agency-backed MBS	49	70
Senior securities	7,246	7,519
Re-REMIC securities	321,674	191,567
Total available-for-sale	328,969	199,156
Total MBS	2,149,137	1,755,596
Derivative assets, at fair value	49,827	0
Derivative liabilities, at fair value	(63,328)	(76,850)
Interest-only MBS, at fair value	394	478
Total	2,136,030	1,679,224
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
MBS, at fair value Trading
Agency-backed MBS	0	0
Available-for-sale
Agency-backed MBS	0	0
Senior securities	0	0
Re-REMIC securities	0	0
Total available-for-sale	0	0
Total MBS	0	0
Derivative assets, at fair value	42,789
Derivative liabilities, at fair value	(59,230)	(76,850)
Interest-only MBS, at fair value	0	0
Total	(16,441)	(76,850)
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
MBS, at fair value Trading
Agency-backed MBS	1,820,168	1,556,440
Available-for-sale
Agency-backed MBS	49	70
Senior securities	0	0
Re-REMIC securities	0	0
Total available-for-sale	49	70
Total MBS	1,820,217	1,556,510
Derivative assets, at fair value	7,038
Derivative liabilities, at fair value	(4,098)	0
Interest-only MBS, at fair value	0	0
Total	1,823,157	1,556,510
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
MBS, at fair value Trading
Agency-backed MBS	0	0
Available-for-sale
Agency-backed MBS	0	0
Senior securities	7,246	7,519
Re-REMIC securities	321,674	191,567
Total available-for-sale	328,920	199,086
Total MBS	328,920	199,086
Derivative assets, at fair value	0
Derivative liabilities, at fair value	0	0
Interest-only MBS, at fair value	394	478
Total	$ 329,314	$ 199,564

XML

Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2013

Fair Value Disclosures [Abstract]

Fair Value, by Balance Sheet Grouping [Table Text Block]

The estimated fair values of the Company’s financial instruments are as follows:

	June 30, 2013				December 31, 2012
	Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value
Financial assets
Cash and cash equivalents	$	38,273	$	38,273	$	35,837	$	35,837
Interest receivable		5,967		5,967		4,869		4,869
Sold securities receivable		27,192		27,192		26,773		26,773
Other receivables		253		253		644		644
MBS
Agency-backed MBS		1,820,217		1,820,217		1,556,510		1,556,510
Private-label MBS
Senior securities		7,246		7,246		7,519		7,519
Re-REMIC securities		321,674		321,674		191,567		191,567
Derivative assets		49,827		49,827		—		—
Other investments		2,125		2,125		2,347		2,347
Deposits		32,596		32,596		85,652		85,652
Financial liabilities
Repurchase agreements		1,775,316		1,775,316		1,497,191		1,497,191
Purchased securities payable		8,363		8,363		—		—
Interest payable		811		811		582		582
Long-term debt		40,000		39,700		15,000		15,000
Derivative liabilities		63,328		63,328		76,850		76,850
Accounts payable, accrued expenses and other liabilities		14,417		14,417		17,837		17,837

Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]

The following tables set forth financial instruments accounted for under ASC 820 by level within the fair value hierarchy as of June 30, 2013 and December 31, 2012. As required by ASC 820, assets and liabilities that are measured at fair value are classified in their entirety based on the lowest level of input that is significant to the fair value measurement.

Financial Instruments Measured at Fair Value on a Recurring Basis

	June 30, 2013
	Total		Level 1		Level 2		Level 3
MBS, at fair value
Trading
Agency-backed MBS	$	1,820,168	$	—	$	1,820,168	$	—
Available-for-sale
Agency-backed MBS		49		—		49		—
Private-label MBS
Senior securities		7,246		—		—		7,246
Re-REMIC securities		321,674		—		—		321,674
Total available-for-sale		328,969		—		49		328,920
Total MBS		2,149,137		—		1,820,217		328,920
Derivative assets, at fair value		49,827		42,789		7,038		—
Derivative liabilities, at fair value		(63,328)		(59,230)		(4,098)		—
Interest-only MBS, at fair value		394		—		—		394
Total	$	2,136,030	$	(16,441)	$	1,823,157	$	329,314

	December 31, 2012
	Total		Level 1		Level 2		Level 3
MBS, at fair value
Trading
Agency-backed MBS	$	1,556,440	$	—	$	1,556,440	$	—
Available-for-sale
Agency-backed MBS		70		—		70		—
Private-label MBS
Senior securities		7,519		—		—		7,519
Re-REMIC securities		191,567		—		—		191,567
Total available-for-sale		199,156		—		70		199,086
Total MBS		1,755,596		—		1,556,510		199,086
Derivative liabilities, at fair value		(76,850)		(76,850)		—		—
Interest-only MBS, at fair value		478		—		—		478
Total	$	1,679,224	$	(76,850)	$	1,556,510	$	199,564

Weighted Average Underlying Loan Characteristics Private Label MBS [Table Text Block]

The Company’s senior securities and re-REMIC securities were collateralized by residential Prime and Alt-A mortgage loans and had the following weighted-averages as of the dates indicated.

	June 30, 2013			December 31, 2012
Original loan-to-value		70	%		70	%
Original FICO score		726			730
Three-month prepayment rate		16	%		17	%
Three-month loss severities		46	%		46	%
Weighted average coupon		3.89	%		4.40	%

Fair Value Inputs, Assets, Quantitative Information [Table Text Block]

The significant unobservable inputs for the valuation model include the following weighted-averages as of the dates indicated:

	June 30, 2013						December 31, 2012
	Senior Securities			Re-REMIC Securities			Senior Securities			Re-REMIC Securities
Discount rate		6.50	%		6.69	%		6.50	%		7.43	%
Default rate		9.30	%		4.72	%		9.30	%		5.00	%
Loss severity rate		55.00	%		46.12	%		60.00	%		46.60	%
Prepayment rate		16.30	%		12.59	%		16.30	%		13.75	%

The ranges of the significant unobservable inputs for the valuation model were as follows as of the dates indicated:

	June 30, 2013						December 31, 2012
	Senior Securities			Re-REMIC Securities			Senior Securities			Re-REMIC Securities
Discount rate		6.50	%		6.00 – 10.00	%		6.50	%		6.50 – 13.25	%
Default rate		9.30	%		0.95 – 9.45	%		9.30	%		0.95 – 11.10	%
Loss severity rate		55.00	%		28.31 – 57.50	%		60.00	%		28.26 – 57.50	%
Prepayment rate		16.30	%		6.85 – 19.55	%		16.30	%		6.95 – 20.40	%

Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Table Text Block]

The tables below set forth a summary of changes in the fair value and gains and losses of the Company’s Level 3 financial assets and liabilities that are measured at fair value on a recurring basis for the three and six months ended  June 30, 2013 and 2012.

	Three Months Ended June 30, 2013
	Senior Securities		Re-REMIC Securities		Total
Beginning balance, April 1, 2013	$	7,400	$	268,456	$	275,856
Total net gains (losses)
Included in earnings		—		6,342		6,342
Included in other comprehensive income		(123)		9,936		9,813
Purchases		—		59,325		59,325
Sales		—		(23,019)		(23,019)
Payments, net		(255)		(5,752)		(6,007)
Accretion of discount		224		6,386		6,610
Ending balance, June 30, 2013	$	7,246	$	321,674	$	328,920
The amount of net gains (losses) for the period included in earnings      attributable to the change in unrealized gains (losses) relating to      Level 3 assets still held at the reporting date	$	—	$	(728)	$	(728)

	Three Months Ended June 30, 2012
	Senior Securities		Re-REMIC Securities		Total
Beginning balance, April 1, 2012	$	8,647	$	166,892	$	175,539
Total net gains (losses)
Included in earnings		—		(4,531)		(4,531)
Included in other comprehensive income		(74)		503		429
Purchases		—		470		470
Sales		—		—		—
Payments, net		(428)		(4,930)		(5,358)
Accretion of discount		353		6,046		6,399
Ending balance, June 30, 2012	$	8,498	$	164,450	$	172,948
The amount of net gains (losses) for the period included in earnings     attributable to the change in unrealized gains (losses) relating to     Level 3 assets still held at the reporting date	$	—	$	(4,531)	$	(4,531)

	Six Months Ended June 30, 2013
	Senior Securities		Re-REMIC Securities		Total
Beginning balance, January 1, 2013	$	7,519	$	191,567	$	199,086
Total net gains (losses)
Included in earnings		—		7,790		7,790
Included in other comprehensive income		(87)		17,803		17,716
Purchases		—		131,203		131,203
Sales		—		(27,798)		(27,798)
Payments, net		(638)		(10,758)		(11,396)
Accretion of discount		452		11,867		12,319
Ending balance, June 30, 2013	$	7,246	$	321,674	$	328,920
The amount of net gains (losses) for the period included in earnings     attributable to the change in unrealized gains (losses) relating to     Level 3 assets still held at the reporting date	$	—	$	(890)	$	(890)

	Six Months Ended June 30, 2012
	Senior Securities		Re-REMIC Securities		Total
Beginning balance, January 1, 2012	$	9,311	$	170,116	$	179,427
Total net gains (losses)
Included in earnings		—		(4,531)		(4,531)
Included in other comprehensive income		(681)		(3,773)		(4,454)
Purchases		—		470		470
Sales		—		—		—
Payments, net		(839)		(9,816)		(10,655)
Accretion of discount		707		11,984		12,691
Ending balance, June 30, 2012	$	8,498	$	164,450	$	172,948
The amount of net gains (losses) for the period included in earnings     attributable to the change in unrealized gains (losses) relating to     Level 3 assets still held at the reporting date	$	—	$	(4,531)	$	(4,531)

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Gain Loss Included In Other Comprehensive Income Loss [Table Text Block]

Gains and losses included in earnings for the three and six months ended June 30, 2013 and 2012 are reported in the following statement of comprehensive income line descriptions:

	Other Loss, Investment Loss, net
	Three Months Ended June 30,				Six Months Ended June 30,
	2013		2012		2013		2012
Total gains (losses) included in earnings for the period	$	6,342	$	(4,531)	$	7,790	$	(4,531)
Change in unrealized gains (losses) relating to assets still    held at reporting date	$	(728)	$	(4,531)	$	(890)	$	(4,531)

Mortgage Backed Securities Fair Value [Table Text Block]

MBS, at fair value(1) (2), consisted of the following as of the dates indicated:

	June 30, 2013										December 31, 2012
	Fair Value		Net Unamortized Premium (Discount)		Percent of Total Fair Value			Weighted Average Life		Weighted Average Rating(3)	Fair Value		Net Unamortized Premium (Discount)		Percent of Total Fair Value			Weighted Average Life		Weighted Average Rating(3)
Trading
Fannie Mae	$	1,196,826	$	—		55.69	%		9.2	AAA	$	1,083,810	$	—		61.73	%		4.9	AAA
Freddie Mac		623,342		—		29.00	%		9.5	AAA		472,630		—		26.92	%		5.1	AAA
Available-for-sale:
Agency-backed
Fannie Mae		49		—		—			5.0	AAA		70		—		0.01	%		2.8	AAA
Private-label
Senior securities		7,246		(5,687)		0.34	%		5.0	C-		7,519		(6,519)		0.43	%		5.2	C
Re-REMIC securities		321,674		(234,497)		14.97	%		11.8	NR		191,567		(164,422)		10.91	%		11.4	NR
	$	2,149,137	$	(240,184)		100.00	%				$	1,755,596	$	(170,941)		100.00	%

(1) The Company’s MBS portfolio was primarily comprised of fixed-rate MBS at June 30, 2013 and December 31, 2012. The weighted-average coupon of the MBS portfolio at  June 30, 2013 and December 31, 2012 was 4.04% and 4.11%, respectively.

(2) As of June 30, 2013 and December 31, 2012, the Company’s MBS investments with a fair value of $1,919,775 and $1,615,421, respectively, were pledged as collateral for repurchase agreements.

(3) The securities issued by Fannie Mae and Freddie Mac are not rated by any rating agency; however, they are commonly thought of as having an implied rating of “AAA.” There is no assurance, particularly given the downgrade of the U.S.’s credit rating to “AA+” by Standard & Poors during the quarter ended September 30, 2011, that these securities would receive such a rating if they were ever rated by a rating agency. The weighted-average rating of the Company’s private-label senior securities is calculated based on face value of the securities.

Private Label MBS Available-for-sale Accretable Yield [Table Text Block]

The following table presents the changes in the accretable yield on available-for-sale, private-label MBS for the three and six months ended June 30, 2013 and 2012.

	Three Months Ended June 30,				Six Months Ended June 30,
	2013		2012		2013		2012
Beginning balance	$	261,391	$	182,867	$	207,853	$	194,619
Accretion of discount		(6,610)		(6,399)		(12,319)		(12,691)
Reclassifications, net		28,702		1,984		32,609		(3,476)
Acquisitions		50,871		1,749		113,745		1,749
Sales		(16,659)		—		(24,193)		—
Ending balance	$	317,695	$	180,201	$	317,695	$	180,201

Schedule Of Available For Sale Private Label MBS Acquired [Table Text Block]

For the available-for-sale, private-label MBS acquired during the three and six months ended June 30, 2013 and 2012, the contractually required payments receivable, the cash flow expected to be collected, and the fair value at the acquisition date were as follows for the dates indicated:

	Three Months Ended June 30,				Six Months Ended June 30,
	2013		2012		2013		2012
Contractually required payments receivable	$	148,689	$	2,219	$	332,860	$	2,219
Cash flows expected to be collected		110,195		2,219		244,948		2,219
Basis in acquired securities		59,324		470		131,203		470

Unrealized Gain (Loss) on Investments [Table Text Block]

The Company’s available-for-sale MBS are carried at fair value in accordance with ASC 320, Debt and Equity Securities (ASC 320), with resulting unrealized gains and losses reflected as other comprehensive income or loss. Gross unrealized gains and losses on these securities were the following as of the dates indicated:

	June 30, 2013
	Amortized
	Cost/		Unrealized
	Cost Basis(1)		Gains		Losses		Fair Value
Agency-backed MBS	$	45	$	4	$	—	$	49
Private-label MBS
Senior securities		5,425		1,821		—		7,246
Re-REMIC securities		266,371		55,466		(163)		321,674
Total	$	271,841	$	57,291	$	(163)	$	328,969

(1) The amortized cost of MBS includes unamortized net discounts of $240,184 at June 30, 2013.

	December 31, 2012
	Amortized
	Cost/		Unrealized
	Cost Basis(1)		Gains		Losses		Fair Value
Agency-backed MBS	$	64	$	6	$	—	$	70
Private-label MBS
Senior securities		5,611		1,908		—		7,519
Re-REMIC securities		154,067		37,500		—		191,567
Total	$	159,742	$	39,414	$	—	$	199,156

(1) The amortized cost of MBS includes unamortized net discounts of $170,941 at December 31, 2012.

Other than Temporary Impairment, Credit Losses Recognized in Earnings [Table Text Block]

The following table presents a summary of other-than-temporary impairment charges included in earnings for the periods indicated and cumulative other-than-temporary impairment charges recognized on the MBS held as of the dates indicated:

	Three Months Ended June 30,				Six Months Ended June 30,
	2013		2012		2013		2012
Cumulative other-than-temporary impairment, beginning    balance	$	22,555	$	8,594	$	23,768	$	8,594
Additions
Other-than-temporary impairments not previously    recognized		—		4,174		—		4,174
Increases related to other-than-temporary impairments     on securities with previously recognized other-than-     temporary impairments		728		357		890		357
Reductions
Decreases related to other-than-temporary impairments    on sold securities with previously recognized other-    than-temporary impairments		—		—		(1,375)		—
Cumulative other-than-temporary impairment, ending    balance	$	23,283	$	13,125	$	23,283	$	13,125

Realized Gain (Loss) on Investments [Table Text Block]

The following table presents the results of sales of MBS for the periods indicated:

	Three Months Ended June 30,								Six Months Ended June 30,
	2013				2012				2013				2012
	Agency- Backed MBS		Private- Label MBS		Agency- Backed MBS		Private- Label MBS		Agency- Backed MBS		Private- Label MBS		Agency- Backed MBS		Private- Label MBS
Proceeds from sales	$	196,113	$	23,020	$	90,519	$	—	$	527,738	$	27,798	$	112,128	$	—
Gross gains		529		6,928		376		—		531		8,489		341		—
Gross losses		1,655		—		228		—		6,973		—		251		—

Investment [Table Text Block]

The Company’s other investments consisted of the following as of the dates indicated:

	June 30, 2013		December 31, 2012
Interest-only MBS	$	394	$	478
Non-public equity securities		975		975
Investment funds		756		894
Total other investments	$	2,125	$	2,347

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Equity (Details Textual) (Long Term Incentive Plan [Member], USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013 Common Class A [Member]	Dec. 31, 2012 Common Class A [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share available for issuance					439,843	489,448
Compensation expense recognized during the period related to performance-based program	$ 237	$ 0	$ 517	$ 0

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Borrowings (Details 1) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Trust Preferrd Debt [Member]
Outstanding Principal	$ 15,000	$ 15,000
Annual Interest Rate	LIBOR +2.25 - 3.00%	LIBOR +2.25 - 3.00%
Interest Payment Frequency	Quarterly	Quarterly
Weighted-Average Interest Rate	3.03%	3.09%
Maturity	2033-2035	2033-2035
Early Redemption Date	2008-2010	2008-2010
Senior Notes [Member]
Outstanding Principal	$ 25,000	$ 0
Annual Interest Rate	6.625%
Interest Payment Frequency	Quarterly
Weighted-Average Interest Rate	6.625%	0.00%
Maturity	May 01, 2023
Early Redemption Date, Start	May 01, 2016

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Financial Instruments (Details 4) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning balance	$ 275,856	$ 175,539	$ 199,086	$ 179,427
Total net gains (losses)
Included in earnings	6,342	(4,531)	7,790	(4,531)
Included in other comprehensive income	9,813	429	17,716	(4,454)
Purchases	59,325	470	131,203	470
Sales	(23,019)	0	(27,798)	0
Payments, net	(6,007)	(5,358)	(11,396)	(10,655)
Accretion of discount	6,610	6,399	12,319	12,691
Ending balance	328,920	172,948	328,920	172,948
The amount of net gains (losses) for the period included in earnings attributable to the change in unrealized gains (losses) relating to Level 3 assets still held at the reporting date	(728)	(4,531)	(890)	(4,531)
Senior Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning balance	7,400	8,647	7,519	9,311
Total net gains (losses)
Included in earnings	0	0	0	0
Included in other comprehensive income	(123)	(74)	(87)	(681)
Purchases	0	0	0	0
Sales	0	0	0	0
Payments, net	(255)	(428)	(638)	(839)
Accretion of discount	224	353	452	707
Ending balance	7,246	8,498	7,246	8,498
The amount of net gains (losses) for the period included in earnings attributable to the change in unrealized gains (losses) relating to Level 3 assets still held at the reporting date	0	0	0	0
Re-REMIC Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning balance	268,456	166,892	191,567	170,116
Total net gains (losses)
Included in earnings	6,342	(4,531)	7,790	(4,531)
Included in other comprehensive income	9,936	503	17,803	(3,773)
Purchases	59,325	470	131,203	470
Sales	(23,019)	0	(27,798)	0
Payments, net	(5,752)	(4,930)	(10,758)	(9,816)
Accretion of discount	6,386	6,046	11,867	11,984
Ending balance	321,674	164,450	321,674	164,450
The amount of net gains (losses) for the period included in earnings attributable to the change in unrealized gains (losses) relating to Level 3 assets still held at the reporting date	$ (728)	$ (4,531)	$ (890)	$ (4,531)

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Financial Instruments (Details 3)	3 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Senior Securities [Member]
Fair Value Inputs Assets Quantitative Information [Line Items]
Discount rate	6.50%	6.50%
Default rate	9.30%	9.30%
Loss severity rate	55.00%	60.00%
Prepayment rate	16.30%	16.30%
Re-REMIC Securities [Member]
Fair Value Inputs Assets Quantitative Information [Line Items]
Discount rate	6.69%	7.43%
Default rate	4.72%	5.00%
Loss severity rate	46.12%	46.60%
Prepayment rate	12.59%	13.75%
Re-REMIC Securities [Member] | Maximum [Member]
Fair Value Inputs Assets Quantitative Information [Line Items]
Discount rate	10.00%	13.25%
Default rate	9.45%	11.10%
Loss severity rate	57.50%	57.50%
Prepayment rate	19.55%	20.40%
Re-REMIC Securities [Member] | Minimum [Member]
Fair Value Inputs Assets Quantitative Information [Line Items]
Discount rate	6.00%	6.50%
Default rate	0.95%	0.95%
Loss severity rate	28.31%	28.26%
Prepayment rate	6.85%	6.95%

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Equity (Details 1) (USD $)	3 Months Ended						6 Months Ended
	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Jun. 30, 2013	Jun. 30, 2012
Dividend Amount (in dollars per share)	$ 0.875	$ 0.875	$ 0.875	$ 0.875	$ 0.875	$ 0.875	$ 1.75	$ 1.75
Declaration Date	Jun. 17, 2013	Mar. 15, 2013	Dec. 05, 2012	Sep. 13, 2012	Jun. 15, 2012	Mar. 16, 2012
Record Date	Jun. 28, 2013	Mar. 28, 2013	Dec. 17, 2012	Sep. 28, 2012	Jun. 29, 2012	Mar. 26, 2012
Pay Date	Jul. 31, 2013	Apr. 30, 2013	Dec. 31, 2012	Oct. 31, 2012	Jul. 31, 2012	Apr. 30, 2012

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Financial Instruments (Details 11) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Agency Backed MBS [Member]
Schedule of Available-for-sale Securities [Line Items]
Proceeds from sales	$ 196,113	$ 90,519	$ 527,738	$ 112,128
Gross gains	529	376	531	341
Gross losses	1,655	228	6,973	251
Private label MBS [Member]
Schedule of Available-for-sale Securities [Line Items]
Proceeds from sales	23,020	0	27,798	0
Gross gains	6,928	0	8,489	0
Gross losses	$ 0	$ 0	$ 0	$ 0

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Derivative Financial Instruments and Hedging Activities (Details) (No Hedge Designation [Member], USD $) In Thousands, unless otherwise specified	Jun. 30, 2013		Dec. 31, 2012
Eurodollar Futures [Member]
Derivative [Line Items]
Notional Amount	$ 19,623,000	[1]	$ 17,525,000	[1]
Fair Value	(40,541)	[1]	(76,850)	[1]
10-Year Swap Futures [Member]
Derivative [Line Items]
Notional Amount	550,000	[2]	0	[2]
Fair Value	24,100	[2]	0	[2]
Commitment to Purchase MBS [Member]
Derivative [Line Items]
Notional Amount	435,000	[3]	0	[3]
Fair Value	(4,098)	[3]	0	[3]
Commitment To Sell MBS [Member]
Derivative [Line Items]
Notional Amount	458,155	[4]	0	[4]
Fair Value	$ 7,038	[4]	$ 0	[4]

[1] The $19,623,000 total notional amount of Eurodollar futures contracts as of June 30, 2013 represents the accumulation of Eurodollar futures contracts that mature on a quarterly basis between 2013 and 2018. As of June 30, 2013, the Company maintained $24,346 as a deposit and margin against the open Eurodollar futures contracts.

[2] The total notional amount of $550,000 represents the accumulation of 10-year swap futures that mature in September 2013. As of June 30, 2013, the Company maintained $8,250 as a deposit and margin against the open swap futures contracts.

[3] The total notional amount of commitment to purchase MBS represents forward commitments to purchase fixed-rate MBS securities.

[4] The total notional amount of commitment to sell MBS represents forward commitments to sell fixed-rate MBS securities.

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Subsequent Events (Details Texual) (Subsequent Event [Member])	1 Months Ended
	Jul. 31, 2013
Book Value Units [Member]
Number of shares approved for inital grant (in shares)	34,221
Total Shareholder Return Units [Member]
Number of shares approved for inital grant (in shares)	34,567

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Financial Instruments (Details 8) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Contractually required payments receivable	$ 148,689	$ 2,219	$ 332,860	$ 2,219
Cash flows expected to be collected	110,195	2,219	244,948	2,219
Basis in acquired securities	$ 59,324	$ 470	$ 131,203	$ 470

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Earnings Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Basic
Weighted-average shares outstanding - common stock (in shares)	16,655	9,726	15,299	8,795
Stock options, performance share units, and unvested restricted stock (in shares)	0	0	0	0
Weighted average common and common equivalent shares outstanding (in shares)	16,655	9,726	15,299	8,795
Net income applicable to common stock	$ 3,194	$ 2,144	$ 6,371	$ 12,906
Net income per common share (in dollars per share)	$ 0.19	$ 0.22	$ 0.42	$ 1.47
Diluted
Weighted-average shares outstanding - common stock (in shares)	16,655	9,726	15,299	8,795
Stock options, performance share units, and unvested restricted stock (in shares)	177	7	171	8
Weighted-average common and common equivalent shares outstanding (in shares)	16,832	9,733	15,470	8,803
Net income applicable to common stock	$ 3,194	$ 2,144	$ 6,371	$ 12,906
Net income per common share (in dollars per share)	$ 0.19	$ 0.22	$ 0.41	$ 1.47

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Financial Instruments (Details 2)	Jun. 30, 2013 Scores	Dec. 31, 2012 Scores
Original loan-to-value	70.00%	70.00%
Original FICO score	726	730
Three-month prepayment rate	16.00%	17.00%
Three-month loss severities	46.00%	46.00%
Weighted average coupon	3.89%	4.40%

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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Class A [Member]	Common Class B [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income [Member]	Accumulated Deficit [Member]
Beginning Balance at Dec. 31, 2011	$ 183,372	$ 71	$ 6	$ 1,508,713	$ 38,367	$ (1,363,785)
Beginning Balance (in shares) at Dec. 31, 2011		7,099,336	566,112
Net income	191,826	0	0	0	0	191,826
Conversion of Class B shares to Class A shares	0	0	0	0	0	0
Conversion of Class B shares to Class A shares (in shares)		12,057	(12,057)
Issuance of Class A common stock	129,249	55	0	129,194	0	0
Issuance of Class A common stock (in shares)		5,493,750	0
Repurchase of Class A common stock	(786)	0	0	(786)	0	0
Repurchase of Class A common stock (in shares)		(41,790)	0
Forfeitures of Class A common stock	(55)	0	0	(55)	0	0
Forfeitures of Class A common stock (in shares)		(2,383)	0
Amortization of Class A common shares issued as stock-based awards	995	0	0	995	0	0
Other comprehensive income
Net change in unrealized gain on available-for-sale investment securities	618	0	0	0	618	0
Dividends declared	(40,063)	0	0	0	0	(40,063)
Ending Balance at Dec. 31, 2012	465,156	126	6	1,638,061	38,985	(1,212,022)
Ending Balance (in shares) at Dec. 31, 2012		12,560,970	554,055
Net income	6,371	0	0	0	0	6,371
Issuance of Class A common stock	86,964	34	0	86,930	0	0
Issuance of Class A common stock (in shares)		3,492,667	0
Forfeitures of Class A common stock	(51)	0	0	(51)	0	0
Forfeitures of Class A common stock (in shares)		(2,011)	0
Amortization of Class A common shares issued as stock-based awards	940	0	0	940	0	0
Other comprehensive income
Net change in unrealized gain on available-for-sale investment securities	10,433	0	0	0	10,433	0
Dividends declared	(29,221)	0	0	0	0	(29,221)
Ending Balance at Jun. 30, 2013	$ 540,592	$ 160	$ 6	$ 1,725,880	$ 49,418	$ (1,234,872)
Ending Balance (in shares) at Jun. 30, 2013		16,051,626	554,055

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CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash flows from operating activities:
Net income	$ 6,371	$ 12,906
Adjustments to reconcile net income to net cash provided by operating activities
Net investment loss, net	24,782	5,869
Net discount accretion on mortgage-backed securities	(3,878)	(5,458)
Deferred tax provision	1,851	0
Other	943	562
Changes in operating assets
Interest receivable	(1,098)	(994)
Other receivables	391	(95)
Prepaid expenses and other assets	(467)	692
Changes in operating liabilities
Accounts payable and other liabilities	(3,241)	1
Accrued compensation and benefits	1,051	(3,613)
Net cash provided by operating activities	26,705	9,870
Cash flows from investing activities:
Purchases of available-for-sale mortgage-backed securities	(122,840)	(470)
Purchases of trading mortgage-backed securities	(964,033)	(508,374)
Proceeds from sales of available-for-sale mortgage-backed securities	27,798	0
Proceeds from sales of trading mortgage-backed securities	500,303	112,067
Receipt of principal payments on available-for-sale mortgage-backed securities	2,997	3,423
Receipt of principal payments on trading mortgage-backed securities	81,285	31,143
Payments for purchased securities payable	0	(15,820)
Proceeds from sold securities receivable	26,773	41,321
Proceeds (payments) from derivatives and deposits, net	48,823	(18,085)
Other	85	59
Net cash used in investing activities	(398,809)	(354,736)
Cash flows from financing activities:
Proceeds from repurchase agreements, net	278,125	315,074
Proceeds from stock issuance, net	86,964	46,015
Proceeds from long-term debt issuance, net	24,038	0
Dividends paid	(14,587)	(15,104)
Net cash provided by financing activities	374,540	345,985
Net increase in cash and cash equivalents	2,436	1,119
Cash and cash equivalents, beginning of period	35,837	20,018
Cash and cash equivalents, end of period	38,273	21,137
Supplemental cash flow information
Cash payments for interest	3,579	2,028
Cash payments for taxes	$ 345	$ 274

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Borrowings

6 Months Ended

Jun. 30, 2013

Debt Disclosure [Abstract]

Borrowings

3. Borrowings:

Repurchase Agreements

The Company has entered into repurchase agreements to fund its investments in MBS. Securities sold under agreements to repurchase, which are treated as financing transactions for financial reporting purposes, are collateralized by MBS and are carried at their contractual amounts, including accrued interest, as specified in the respective agreements. Under the repurchase agreements, the Company pledges its securities as collateral to secure the borrowing, which is equal in value to a specified percentage of the fair value of the pledged collateral, while the Company retains beneficial ownership of the pledged collateral. The counterparty to the repurchase agreements may require that the Company pledge additional securities or cash as additional collateral to secure borrowings when the value of the collateral declines.

As of  June 30, 2013, the Company had no amount at risk with a single repurchase agreement counterparty or lender greater than 10% of equity. As of December 31, 2012, the amount at risk related to $482,097 of repurchase agreements with Credit Suisse Securities (USA) LLC was $50,171, or 10.79%, of the Company’s equity with a weighted-average maturity of 15 days. The amount at risk is defined as the excess of the higher of carrying amount or market value of the collateral provided under repurchase agreements, including any cash or other assets on deposit to secure the repurchase obligation, over the amount of the repurchase liability. The following tables provide information regarding the Company’s outstanding repurchase agreement borrowings as of the dates and for the periods indicated:

	June 30, 2013			December 31, 2012
Outstanding balance	$	1,775,316		$	1,497,191
Value of assets pledged as collateral
Agency-backed MBS		1,822,221			1,547,760
Private-label MBS		97,554			67,661
Net amount (1)		144,459			118,230
Weighted-average rate		0.43	%		0.52	%
Weighted-average term to maturity		15.7 days			14.5 days

⁽¹⁾ Net amount represents the value of collateral in excess of corresponding repurchase obligation. The amount of collateral at-risk is limited to the outstanding repurchase obligation and not the entire collateral balance.

	June 30, 2013			June 30, 2012
Weighted-average outstanding balance during the three months ended	$	1,660,108		$	892,659
Weighted-average rate during the three months ended		0.43	%		0.44	%
Weighted-average outstanding balance during the six months ended	$	1,466,485		$	769,064
Weighted-average rate during the six months ended		0.45	%		0.43	%

  Long-Term Debt

As of June 30, 2013 and December 31, 2012, the Company had $40,000 and $15,000, respectively, of outstanding long-term debentures. On May 1, 2013, the Company completed a public offering of $25,000 of its 6.625% Senior Notes due in 2023 and received net proceeds of $24,038 after payment of underwriting discounts and commissions and expenses. These senior notes will mature on May 1, 2023, and may be redeemed in whole or in part at any time and from time to time at the Company’s option on or after May 1, 2016, at a redemption price equal to the principal amount redeemed plus accrued and unpaid interest. The interest payments on these senior notes are payable quarterly on February 1, May 1, August 1, and November 1 of each year, beginning on August 1, 2013. These Senior Notes are publicly traded on the New York Stock Exchange under the ticker symbol “AIW”. The Company’s long-term debentures consisted of the following as of the dated indicated: 

	June 30, 2013						December 31, 2012
				Trust					Trust
				Preferred					Preferred
	Senior Notes			Debt			Senior Notes		Debt
Outstanding Principal	$	25,000		$	15,000		$	—	$	15,000
Annual Interest Rate		6.625	%		LIBOR+2.25 - 3.00	%		—		LIBOR+2.25 - 3.00	%
Interest Payment Frequency		Quarterly			Quarterly			—		Quarterly
Weighted-Average Interest Rate		6.625	%		3.03	%		—		3.09	%
Maturity		May 1, 2023			2033-2035			—		2033-2035
Early Redemption Date		May 1, 2016			2008-2010			—		2008-2010

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Basis of Presentation

6 Months Ended

Jun. 30, 2013

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

1. Basis of Presentation:

The consolidated financial statements of Arlington Asset Investment Corp. (Arlington Asset) and its subsidiaries (unless the context otherwise provides, collectively, the Company) have been prepared in accordance with accounting principles generally accepted in the United States of America (GAAP) for interim financial information and with the instructions to Form 10-Q. Therefore, they do not include all information required by GAAP for complete financial statements. The interim financial statements reflect all adjustments (consisting only of normal recurring adjustments) which are, in the opinion of management, necessary for a fair statement of the results for the periods presented. All significant intercompany accounts and transactions have been eliminated in consolidation. The results of operations for the three and six months ended June 30, 2013 are not necessarily indicative of the operating results for the entire year or any other subsequent interim period. The Company’s unaudited condensed consolidated financial statements and notes thereto should be read in conjunction with the Company’s audited consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2012.

The preparation of the Company’s financial statements in conformity with GAAP requires the Company to make estimates and assumptions affecting the reported amounts of assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Although the Company based the estimates and assumptions on historical experience, when available, market information, and on various other factors that the Company believes to be reasonable under the circumstances, management exercises significant judgment in the final determination of the estimates. Actual results may differ from these estimates.

Certain amounts in the consolidated financial statements and notes for prior periods have been reclassified to conform to the current period presentation. These reclassifications had no effect on the results of operations of the Company.

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Derivative Financial Instruments and Hedging Activities (Details Textual) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Derivative [Line Items]
Gain (Loss) on Derivative Instruments, Net, Pretax	$ 57,776	$ 16,609	$ 59,034	$ 16,994
Deposit Assets	32,596		32,596		85,652
Eurodollar Futures [Member]
Derivative [Line Items]
Deposit Assets	24,346		24,346
10-Year Swap Futures [Member]
Derivative [Line Items]
Deposit Assets	$ 8,250		$ 8,250

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Financial Instruments (Details 5) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Gains and losses included in earnings [Abstract]
Total gains (losses) included in earnings for the period	$ 6,342	$ (4,531)	$ 7,790	$ (4,531)
Change in unrealized gains (losses) relating to assets still held at reporting date	$ (728)	$ (4,531)	$ (890)	$ (4,531)

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Financial Instruments (Details 9) (USD $) In Thousands, unless otherwise specified	6 Months Ended		12 Months Ended
	Jun. 30, 2013		Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost/Cost Basis	$ 271,841	[1]	$ 159,742	[2]
Unrealized Gains	57,291		39,414
Unrealized Losses	(163)		0
Fair Value	328,969		199,156
Agency Backed MBS [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost/Cost Basis	45	[1]	64	[2]
Unrealized Gains	4		6
Unrealized Losses	0		0
Fair Value	49		70
Private-label MBS Senior Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost/Cost Basis	5,425	[1]	5,611	[2]
Unrealized Gains	1,821		1,908
Unrealized Losses	0		0
Fair Value	7,246		7,519
Private-label MBS Re-REMIC Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost/Cost Basis	266,371	[1]	154,067	[2]
Unrealized Gains	55,466		37,500
Unrealized Losses	(163)		0
Fair Value	$ 321,674		$ 191,567

[1] The amortized cost of MBS includes unamortized net discounts of $240,184 at June 30, 2013.

[2] The amortized cost of MBS includes unamortized net discounts of $170,941 at December 31, 2012.

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Borrowings (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			6 Months Ended			12 Months Ended
	Jun. 30, 2013		Jun. 30, 2012	Jun. 30, 2013		Jun. 30, 2012	Dec. 31, 2012
Repurchase Agreement Counterparty [Line Items]
Outstanding balance	$ 1,775,316			$ 1,775,316			$ 1,497,191
Value of assets pledged as collateral
Net amount	144,459	[1]		144,459	[1]		118,230	[1]
Weighted-average rate	0.43%			0.43%			0.52%
Weighted-average term to maturity (in days)				15.7 days			14.5 days
Weighted-average outstanding balance	1,660,108		892,659	1,466,485		769,064
Weighted-average rate	0.43%		0.44%	0.45%		0.43%
Agency Backed MBS [Member]
Value of assets pledged as collateral
Value of assets pledged as collateral	1,822,221			1,822,221			1,547,760
Private label MBS [Member]
Value of assets pledged as collateral
Value of assets pledged as collateral	$ 97,554			$ 97,554			$ 67,661

[1] Net amount represents the value of collateral in excess of corresponding repurchase obligation. The amount of collateral at-risk is limited to the outstanding repurchase obligation and not the entire collateral balance.

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Equity (Details) (USD $) In Thousands, except Share data, unless otherwise specified	6 Months Ended
	Jun. 30, 2013
Offering Date	Mar. 13, 2013
Shares offered to public (in shares)	3,000,000
Underwriter's over-allotment (in shares)	450,000
Total shares of Class A common stock (in shares)	3,450,000
Public offering price per share (in dollars per share)	$ 25.50
Net proceeds	$ 86,964	[1]

[1] Net of underwriting discounts and commissions and expenses.

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CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	25,000,000	25,000,000
Preferred stock, issued (in shares)	0	0
Preferred stock, outstanding (in shares)	0	0
Accumulated other comprehensive income, taxes (in dollars)	$ 7,679	$ 429
Common Class A [Member]
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	450,000,000	450,000,000
Common stock, shares issued (in shares)	16,051,626	12,560,970
Common stock, shares outstanding (in shares)	16,051,626	12,560,970
Common Class B [Member]
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	100,000,000	100,000,000
Common stock, shares issued (in shares)	554,055	554,055
Common stock, shares outstanding (in shares)	554,055	554,055

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Earnings Per Share

6 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

Earnings Per Share

6. Earnings Per Share:

Basic earnings per share includes no dilution and is computed by dividing net income or loss applicable to common stock by the weighted-average number of common shares outstanding for the respective period. Diluted earnings per share includes the impact of dilutive securities such as stock options, unvested shares of restricted stock, and performance share units. The following tables present the computations of basic and diluted earnings per share for the periods indicated:

	Three Months Ended June 30,
(Shares in thousands)	2013				2012
	Basic		Diluted		Basic		Diluted
Weighted-average shares outstanding
Common stock		16,655		16,655		9,726		9,726
Stock options, performance share units, and unvested    restricted stock		—		177		—		7
Weighted-average common and common equivalent shares    outstanding		16,655		16,832		9,726		9,733
Net income applicable to common stock	$	3,194	$	3,194	$	2,144	$	2,144
Net income per common share	$	0.19	$	0.19	$	0.22	$	0.22

	Six Months Ended June 30,
(Shares in thousands)	2013				2012
	Basic		Diluted		Basic		Diluted
Weighted-average shares outstanding
Common stock		15,299		15,299		8,795		8,795
Stock options, performance share units, and     unvested restricted stock		—		171		—		8
Weighted-average common and common     equivalent shares outstanding		15,299		15,470		8,795		8,803
Net income applicable to common stock	$	6,371	$	6,371	$	12,906	$	12,906
Net income per common share	$	0.42	$	0.41	$	1.47	$	1.47

The diluted earnings per share for the three and six  months ended June 30, 2013 did not include the antidilutive effect of 9,005 and 13,733 shares, respectively, of stock options, unvested shares of restricted stock, and performance share units. The diluted earnings per share for the three and six months ended June 30, 2012 did not include the antidilutive effect of 55,217 and 39,547 shares, respectively, of stock options, unvested shares of restricted stock, and performance share units.

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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Unrealized gains (losses) for the period on available-for-sale securities, taxes	$ 5,927	$ 0	$ 9,255	$ 0
Included in investment loss, net, in the statement of comprehensive income related to sale of available-for-sale securities, taxes	2,215	0	2,370	0
Included in investment loss, net, in the statement of comprehensive income related to other-than-temporary impairment charges on available-for-sale securities, taxes	$ 298	$ 0	$ 365	$ 0

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CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
ASSETS
Cash and cash equivalents	$ 38,273	$ 35,837
Receivables
Interest	5,967	4,869
Sold securities receivable	27,192	26,773
Other	253	644
Mortgage-backed securities, at fair value
Available-for-sale	328,969	199,156
Trading	1,820,168	1,556,440
Other investments	2,125	2,347
Derivative assets, at fair value	49,827	0
Deferred tax assets, net	153,180	162,281
Deposits	32,596	85,652
Prepaid expenses and other assets	1,503	159
Total assets	2,460,053	2,074,158
LIABILITIES AND EQUITY
Repurchase agreements	1,775,316	1,497,191
Interest payable	811	582
Accrued compensation and benefits	2,593	1,542
Dividend payable	14,633	0
Derivative liabilities, at fair value	63,328	76,850
Purchased securities payable	8,363	0
Accounts payable, accrued expenses and other liabilities	14,417	17,837
Long-term debt	40,000	15,000
Total liabilities	1,919,461	1,609,002
Commitments and contingencies	0	0
Equity:
Preferred stock, $0.01 par value, 25,000,000 shares authorized, none issued and outstanding	0	0
Additional paid-in capital	1,725,880	1,638,061
Accumulated other comprehensive income, net of taxes of $7,679 and $429, respectively	49,418	38,985
Accumulated deficit	(1,234,872)	(1,212,022)
Total equity	540,592	465,156
Total liabilities and equity	2,460,053	2,074,158
Common Class A [Member]
Equity:
Common stock	160	126
Common Class B [Member]
Equity:
Common stock	$ 6	$ 6

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Financial Instruments (Details 6) (USD $) In Thousands, unless otherwise specified	6 Months Ended		12 Months Ended
	Jun. 30, 2013		Dec. 31, 2012
Fair Value Inputs Assets Quantitative Information [Line Items]
Fair Value	$ 2,149,137	[1],[2]	$ 1,755,596	[1],[2]
Net Unamortized Premium (Discount)	(240,184)		(170,941)
Percentage of Total Fair Value	100.00%		100.00%
Fannie Mae [Member]
Fair Value Inputs Assets Quantitative Information [Line Items]
Fair Value	1,196,826	[1],[2]	1,083,810	[1],[2]
Net Unamortized Premium (Discount)	0		0
Percentage of Total Fair Value	55.69%		61.73%
Weighted Average Life	9 years 2 months 12 days		4 years 10 months 24 days
Weighted Average Rating	AAA	[3]	AAA	[3]
Freddie Mac [Member]
Fair Value Inputs Assets Quantitative Information [Line Items]
Fair Value	623,342	[1],[2]	472,630	[1],[2]
Net Unamortized Premium (Discount)	0		0
Percentage of Total Fair Value	29.00%		26.92%
Weighted Average Life	9 years 6 months		5 years 1 month 6 days
Weighted Average Rating	AAA	[3]	AAA	[3]
Available For Sale Fannie Mae [Member]
Fair Value Inputs Assets Quantitative Information [Line Items]
Fair Value	49	[1],[2]	70	[1],[2]
Net Unamortized Premium (Discount)	0		0
Percentage of Total Fair Value	0.00%		0.01%
Weighted Average Life	5 years		2 years 9 months 18 days
Weighted Average Rating	AAA	[3]	AAA	[3]
Senior Securities [Member]
Fair Value Inputs Assets Quantitative Information [Line Items]
Fair Value	7,246	[1],[2]	7,519	[1],[2]
Net Unamortized Premium (Discount)	(5,687)		(6,519)
Percentage of Total Fair Value	0.34%		0.43%
Weighted Average Life	5 years		5 years 2 months 12 days
Weighted Average Rating	C-	[3]	C	[3]
Re-REMIC Securities [Member]
Fair Value Inputs Assets Quantitative Information [Line Items]
Fair Value	321,674	[1],[2]	191,567	[1],[2]
Net Unamortized Premium (Discount)	$ (234,497)		$ (164,422)
Percentage of Total Fair Value	14.97%		10.91%
Weighted Average Life	11 years 9 months 18 days		11 years 4 months 24 days
Weighted Average Rating	NR	[3]	NR	[3]

[1] The Company’s MBS portfolio was primarily comprised of fixed-rate MBS at June 30, 2013 and December 31, 2012. The weighted-average coupon of the MBS portfolio at June 30, 2013 and December 31, 2012 was 4.04% and 4.11%, respectively.

[2] As of June 30, 2013 and December 31, 2012, the Company’s MBS investments with a fair value of $1,919,775 and $1,615,421, respectively, were pledged as collateral for repurchase agreements.

[3] The securities issued by Fannie Mae and Freddie Mac are not rated by any rating agency; however, they are commonly thought of as having an implied rating of “AAA.” There is no assurance, particularly given the downgrade of the U.S.’s credit rating to “AA+” by Standard & Poors during the quarter ended September 30, 2011, that these securities would receive such a rating if they were ever rated by a rating agency. The weighted-average rating of the Company’s private-label senior securities is calculated based on face value of the securities.

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Financial Instruments (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Financial assets, Carrying Amount
Cash and cash equivalents, Carrying Amount	$ 38,273	$ 35,837
Interest receivable, Carrying Amount	5,967	4,869
Sold securities receivable, Carrying Amount	27,192	26,773
Other receivables, Carrying Amount	253	644
MBS, Carrying Amount
Agency-backed MBS, Carrying Amount	1,820,217	1,556,510
Private-label MBS, Carrying Amount
Senior securities, Carrying Amount	7,246	7,519
Re-REMIC securities, Carrying Amount	321,674	191,567
Derivative assets, Carrying Amount	49,827	0
Other Investments, Carrying Amount	2,125	2,347
Deposits, Carrying Amount	32,596	85,652
Financial liabilities, Carrying Amount
Repurchase agreements, Carrying Amount	1,775,316	1,497,191
Purchased securities payable, Carrying Amount	8,363	0
Interest Payable, Carrying Amount	811	582
Long-term debt, Carrying Amount	40,000	15,000
Derivative liabilities, Carrying Amount	63,328	76,850
Accounts payable, accrued expenses and other liabilities, Carrying Amount	14,417	17,837
Financial assets, Estimated, Fair Value
Cash and cash equivalents, Estimated Fair Value	38,273	35,837
Interest receivable, Estimated Fair Value	5,967	4,869
Sold securities receivable, Estimated Fair Value	27,192	26,773
Other receivables, Estimated Fair Value	253	644
MBS, Estimated Fair Value
Agency-backed MBS, Estimated Fair Value	1,820,217	1,556,510
Private-label MBS, Estimated Fair Value
Senior securities, Estimated Fair Value	7,246	7,519
Re-REMIC securities, Estimated Fair Value	321,674	191,567
Derivative assets, Estimated Fair Value	49,827	0
Other investments, Estimated Fair Value	2,125	2,347
Deposits, Estimated Fair Value	32,596	85,652
Financial liabilities, Estimated Fair Value
Repurchase agreements, Estimated Fair Value	1,775,316	1,497,191
Purchased securities payable, Estimated Fair Value	8,363	0
Interest payable, Estimated Fair Value	811	582
Long-term debt, Estimated Fair Value	39,700	15,000
Derivative liabilities, Estimated Fair Value	63,328	76,850
Accounts payable, accrued expenses and other liabilities, Estimated Fair Value	$ 14,417	$ 17,837

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Earnings Per Share (Details Textual) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	9,005	55,217	13,733	39,547

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Borrowings (Details Textual) (USD $) In Thousands, unless otherwise specified	6 Months Ended			6 Months Ended	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012	Jun. 30, 2013 Senior Notes [Member]	Dec. 31, 2012 Credit Suisse Securities USA LLC [Member]
Repurchase Agreement Counterparty [Line Items]
Securities Sold under Agreements to Repurchase	$ 1,775,316		$ 1,497,191		$ 482,097
Repurchase Agreement Counterparty, Amount at Risk					50,171
Repurchase Agreement Counterparty, Amount at Risk, Percentage					10.79%
Repurchase Agreement Counterparty, Weighted Average Maturity of Agreements					15 days
Long-term Debt	40,000		15,000
Debt Instrument, Face Amount				25,000
Debt Instrument, Interest Rate, Stated Percentage				6.625%
Debt Instrument, Maturity Date				May 01, 2023
Proceeds from Issuance of Long-term Debt, Total	$ 24,038	$ 0		$ 24,038
Debt Instrument, Frequency of Periodic Payment				payable quarterly

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Financial Instruments (Details 12) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Interest-only MBS	$ 394	$ 478
Non-public equity securities	975	975
Investment funds	756	894
Total other investments	$ 2,125	$ 2,347

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Financial Instruments (Details Textual) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Fair Value Inputs Assets Quantitative Information [Line Items]
Percentage of Total Asset Measured and Reported at Fair Value, Recurring Basis	13.39%		13.39%		9.62%
Company's Interest in Non Public Equity Securities and Investment Funds	$ 1,731		$ 1,731		$ 1,869
Fair Value Measured on Nonrecurring Basis, Gain (Loss) Included in Earnings	0		138
Weighted Average Coupon Rate for MBS Portfolio	4.04%		4.04%		4.11%
Pledged Assets Separately Reported, Securities Pledged as Collateral, at Fair Value	1,919,775		1,919,775		1,615,421
Financial Instrument, Unamortized Discount (Premium), Net	240,184		240,184		170,941
Other than Temporary Impairment Losses MBS	728	4,531	890	4,531
Cost Basis MBS Prior to Other than Temporary Impairment	$ 1,341		$ 1,584

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Income Taxes

6 Months Ended

Jun. 30, 2013

Income Tax Disclosure [Abstract]

Income Taxes

5. Income Taxes:

The total income tax provision (benefit) for the three and six months ended June 30, 2013 was $2,554 and $(1,208), respectively. The total income tax provision for the three and six months ended June 30, 2012 was $379 and $821, respectively. The Company generated pre-tax book income of $5,748 and $5,163 for the three and six months ended June 30, 2013, respectively. The Company generated pre-tax book income of $2,523 and $13,727 for the three and six months ended June 30, 2012, respectively.
 

The Company’s effective tax rate for the six months ended June 30, 2013 and 2012 was (23.4%) and 6.0%, respectively. The effective tax rate during the six months ended June 30, 2013 was lower than the highest marginal tax rates due to the realization of previously unrecognized tax benefits including related accrued interest that were fully reserved. The effective tax rate during the six months ended June 30, 2012 was lower than the highest marginal tax rates due to the realization of deferred tax assets that were offset by a full valuation allowance. The Company is subject to Alternative Minimum Tax because it does not pay regular tax as a result of available net operating losses. The Company will continue to provide a valuation allowance against the portion of the capital loss carryforwards which the Company believes that it is more likely than not that the benefits will not be realized prior to expiration. The Company will continue to assess the need for a valuation allowance at each reporting date.

The Company is subject to examination by the U.S. Internal Revenue Service (IRS), and other taxing jurisdictions. In March 2013, an IRS examination of the Company’s tax years 2009 and 2010 was completed without any adjustment. As a result, the Company reversed $3,200 of unrecognized federal tax benefit related to an uncertain tax position and $544 of related accrued interest as of March 31, 2013. The statute of limitation on the 2009 state tax return is expected to expire in October 2013. As a result, during the quarter ending December 31, 2013, the Company may reverse $9,600 of unrecognized state tax benefit related to an uncertain tax position and $2,649 of related accrued interest. However, there can be no assurance that this reversal may take under the terms the Company anticipates, if at all.

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Financial Instruments (Details 7) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning balance	$ 261,391	$ 182,867	$ 207,853	$ 194,619
Accretion of discount	(6,610)	(6,399)	(12,319)	(12,691)
Reclassifications, net	28,702	1,984	32,609	(3,476)
Acquisitions	50,871	1,749	113,745	1,749
Sales	(16,659)	0	(24,193)	0
Ending balance	$ 317,695	$ 180,201	$ 317,695	$ 180,201

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Income Taxes (Details Textual) (USD $) In Thousands, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 30, 2013	Mar. 31, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Income tax provision (benefit)	$ 2,554		$ 379	$ (1,208)	$ 821
Income before income taxes	5,748		2,523	5,163	13,727
Effective income tax rate				(23.40%)	6.00%
Release of previously unrecognized tax benefit, uncertain tax position		3,200		9,600
Release of previously unrecognized tax benefit, uncertain tax position, accrued interest	$ 2,649	$ 544		$ 2,649

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Recent Accounting Pronouncements

6 Months Ended

Jun. 30, 2013

New Accounting Pronouncements and Changes in Accounting Principles [Abstract]

Recent Accounting Pronouncements

8. Recent Accounting Pronouncements:

On July 18, 2013, the FASB issued Accounting Standards Update 2013-11, Income Taxes (Topic 740), Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists. This standard requires the netting of unrecognized tax benefits against a deferred tax asset for a loss or other carryforward that would apply in settlement of the uncertain tax positions. Under the new standard, unrecognized tax benefits will be netted against all available same-jurisdiction loss or other tax carryforward that would be utilized, rather than only against carryforwards that are created by the unrecognized tax benefits. This standard will be effective for the Company beginning on January 1, 2014. The Company is assessing the impact on the Company’s financial statements.

In February 2013, the FASB issued Accounting Standards Update No. 2013-02, Comprehensive Income (Topic 220), Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income. This standard requires the reporting of the effect of significant reclassifications out of accumulated other comprehensive income on the respective line items in net income if the amount being reclassified is required under GAAP to be reclassified in its entirety to net income. For other amounts that are not required under GAAP to be reclassified in their entirety to net income in the same reporting period, the Company is required to cross-reference other disclosures required under GAAP that provide additional detail about those amounts. The Company implemented the requirements of this statement on the Company’s reporting period beginning on January 1, 2013, and the implementation had no significant impact to the Company’s financial statements.

In January 2013, the FASB issued Accounting Standards Update No. 2013-01, Clarifying the Scope of Disclosures about Offsetting Assets and Liabilities. This standard limits the scope of balance sheet offsetting disclosures to certain derivative instruments, repurchase agreements and reverse repurchase agreements, and securities borrowing and securities lending transactions. This standard requires the disclosures of the presentation of gross and net information about transactions that are (1) offset in the financial statements or (2) subject to an enforceable master netting arrangement or similar agreement, regardless of whether the transactions are actually offset in the statement of financial position. The Company implemented these required disclosures effective for reporting periods beginning on January 1, 2013, and the implementation had no significant impact to the Company’s financial statements.

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Derivative Financial Instruments and Hedging Activities

6 Months Ended

Jun. 30, 2013

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Financial Instruments and Hedging Activities

4. Derivative Financial Instruments and Hedging Activities:

In the normal course of its operations, the Company is a party to financial instruments that are accounted for as derivative financial instruments in accordance with ASC 815. These instruments may include interest rate swaps, Eurodollar futures, swap futures, and U.S. Treasury futures contracts, put options and certain commitments to purchase and sell MBS. The exchange traded derivatives such as Eurodollar futures and swap futures are cash settled on a daily basis. The Company may be required to pledge collateral for margin requirements with third-party custodians in connection with certain derivative transactions. These transactions are not under master netting agreements.

During the three and six months ended June 30, 2013, the Company entered into various financial contracts to hedge certain MBS and related borrowings and other long-term debt. These financial contracts are not designated as hedges under ASC 815. The changes in fair value on these derivatives are recorded to net investment gain or loss in the statement of comprehensive income. For the three and six months ended June 30, 2013, the Company recorded net gains of $57,776 and $59,034, respectively, on these derivatives. For the three and six months ended June 30, 2012 , the Company recorded net losses of $16,609 and $16,994, respectively, on these derivatives. The Company held the following derivative instruments as of the dates indicated:

	June 30, 2013				December 31, 2012
	Notional Amount		Fair Value		Notional Amount		Fair Value
No hedge designation
Eurodollar futures(1)	$	19,623,000	$	(40,541)	$	17,525,000	$	(76,850)
10-year swap futures(2)		550,000		24,100		—		—
Commitment to purchase MBS(3)		435,000		(4,098)		—		—
Commitment to sell MBS(4)		458,155		7,038		—		—

(1) The $19,623,000 total notional amount of Eurodollar futures contracts as of June 30, 2013 represents the accumulation of Eurodollar futures contracts that mature on a quarterly basis between 2013 and 2018. As of June 30, 2013, the Company maintained $24,346 as a deposit and margin against the open Eurodollar futures contracts.

(2) The total notional amount of $550,000 represents the accumulation of 10-year swap futures that mature in September 2013. As of June 30, 2013, the Company maintained $8,250 as a deposit and margin against the open swap futures contracts.

(3) The total notional amount of commitment to purchase MBS represents forward commitments to purchase fixed-rate MBS securities.

(4) The total notional amount of commitment to sell MBS represents forward commitments to sell fixed-rate MBS securities.  

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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Unaudited) (Parenthetical) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Net change in unrealized gain on available-for-sale investment securities, taxes	$ 7,250	$ 429

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Equity (Details 2) (Restricted Stock [Member], USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted	36,000	0	36,000	0
Weight-average share price	$ 26.74	$ 0	$ 26.74	$ 0
Compensation expense recognized during the period	$ 100	$ 32	$ 209	$ 86
Restricted Class A shares outstanding, unvested	66,170		66,170		34,835
Unrecognized compensation cost related to unvested shares	$ 1,261		$ 1,261		$ 507
Weighted-average vesting period remaining			2 years 5 months 26 days		2 years 2 months 19 days

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Financial Instruments (Details 10) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Schedule of Available-for-sale Securities [Line Items]
Cumulative other-than-temporary impairment, beginning balance	$ 22,555	$ 8,594	$ 23,768	$ 8,594
Additions
Other-than-temporary impairments not previously recognized	0	4,174	0	4,174
Increases related to other-than-temporary impairments on securities with previously recognized other-than-temporary impairments	728	357	890	357
Reductions
Decreases related to other-than-temporary impairments on sold securities with previously recognized other-than-temporary impairments	0	0	(1,375)	0
Cumulative other-than-temporary impairment, ending balance	$ 23,283	$ 13,125	$ 23,283	$ 13,125

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Borrowings (Tables)

6 Months Ended

Jun. 30, 2013

Debt Disclosure [Abstract]

Schedule of Repurchase Agreements [Table Text Block]

The following tables provide information regarding the Company’s outstanding repurchase agreement borrowings as of the dates and for the periods indicated:

	June 30, 2013			December 31, 2012
Outstanding balance	$	1,775,316		$	1,497,191
Value of assets pledged as collateral
Agency-backed MBS		1,822,221			1,547,760
Private-label MBS		97,554			67,661
Net amount (1)		144,459			118,230
Weighted-average rate		0.43	%		0.52	%
Weighted-average term to maturity		15.7 days			14.5 days

⁽¹⁾ Net amount represents the value of collateral in excess of corresponding repurchase obligation. The amount of collateral at-risk is limited to the outstanding repurchase obligation and not the entire collateral balance.

	June 30, 2013			June 30, 2012
Weighted-average outstanding balance during the three months ended	$	1,660,108		$	892,659
Weighted-average rate during the three months ended		0.43	%		0.44	%
Weighted-average outstanding balance during the six months ended	$	1,466,485		$	769,064
Weighted-average rate during the six months ended		0.45	%		0.43	%

Schedule of Long-term Debt Instruments [Table Text Block]

The Company’s long-term debentures consisted of the following as of the dated indicated: 

 

	June 30, 2013						December 31, 2012
				Trust					Trust
				Preferred					Preferred
	Senior Notes			Debt			Senior Notes		Debt
Outstanding Principal	$	25,000		$	15,000		$	—	$	15,000
Annual Interest Rate		6.625	%		LIBOR+2.25 - 3.00	%		—		LIBOR+2.25 - 3.00	%
Interest Payment Frequency		Quarterly			Quarterly			—		Quarterly
Weighted-Average Interest Rate		6.625	%		3.03	%		—		3.09	%
Maturity		May 1, 2023			2033-2035			—		2033-2035
Early Redemption Date		May 1, 2016			2008-2010			—		2008-2010

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Equity

6 Months Ended

Jun. 30, 2013

Equity [Abstract]

Equity

7. Equity:

Equity Offering

During the six months ended June 30, 2013, the Company completed a public offering as follows:

Offering Date	March 13, 2013
Shares offered to public		3,000,000
Underwriter’s over-allotment		450,000
Total shares of Class A common stock		3,450,000
Public offering price per share	$	25.50
Net proceeds(1)	$	86,964

⁽¹⁾ Net of underwriting discounts and commissions and expenses.

Dividends

Pursuant to the Company’s variable dividend policy, the Board of Directors evaluates dividends on a quarterly basis and, in its sole discretion, approves the payment of dividends. The Company’s dividend payments, if any, may vary significantly from quarter to quarter. The Board of Directors has approved and the Company has declared the following dividends to date in 2013:

Quarter Ended	Dividend Amount		Declaration Date	Record Date	Pay Date
June 30	$	0.875	June 17	June 28	July 31
March 31		0.875	March 15	March 28	April 30

The Board of Directors approved and the Company declared and paid the following dividends for 2012:

Quarter Ended	Dividend Amount		Declaration Date	Record Date	Pay Date
December 31	$	0.875	December 5	December 17	December 31
September 30		0.875	September 13	September 28	October 31
June 30		0.875	June 15	June 29	July 31
March 31		0.875	March 16	March 26	April 30

Long-Term Incentive Plan

On April 13, 2011, the Board of Directors adopted the Arlington Asset Investment Corp. 2011 Long-Term Incentive Plan (2011 Plan). The 2011 Plan was approved by the Company’s shareholders and became effective on June 2, 2011. Under the 2011 Plan, shares of Class A common stock of the Company may be issued to employees, directors, consultants and advisors of the Company and its affiliates. As of June 30, 2013 and December 31, 2012, 439,843 and 489,448 shares, respectively, remained available for issuance under the 2011 Plan.

Performance-Based Long-Term Incentive Program

On August 13, 2012, the Compensation Committee of the Board of Directors of the Company adopted a performance-based long-term incentive program (Performance-based Program) that provides for the issuance of two types of performance share units (PSUs) pursuant to the Company’s 2011 Plan.

The Compensation Committee established performance goals under the Performance-based Program. Two types of PSUs may be awarded under the Performance-based Program: Book Value PSUs and Total Shareholder Return Units (TSR PSUs). The Book Value PSUs are eligible to vest based on the compound annualized growth in the Company’s book value per share (i.e., book value change plus dividends on a reinvested basis) during the applicable performance period.  The TSR PSUs are eligible to vest based on the Company’s compound annualized total shareholder return (i.e., share price change plus dividends on a reinvested basis) during the applicable performance period.

The Company recorded $237 and $517,  in compensation expenses related to the Performance-based Program during the three and six  months ended June 30, 2013, respectively. There were no similar compensation expenses during the three and six months ended June 30, 2012.

Restricted Stock

The following tables present the activities and balances related to restricted stock for the dates and periods indicated:

	Three Months Ended June 30,				Six Months Ended June 30,
	2013		2012		2013		2012
Shares granted		36,000		—		36,000		—
Weight-average share price	$	26.74	$	—	$	26.74	$	—
Compensation expense recognized during the period	$	100	$	32	$	209	$	86

	June 30, 2013		December 31, 2012
Restricted Class A shares outstanding, unvested		66,170		34,835
Unrecognized compensation cost related to unvested shares	$	1,261	$	507
Weighted-average vesting period remaining		2.49 years		2.22 years

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Equity (Tables)

6 Months Ended

Jun. 30, 2013

Equity [Abstract]

Equity Offerings [Table Text Block]

During the six months ended June 30, 2013, the Company completed a public offering as follows:

Offering Date	March 13, 2013
Shares offered to public		3,000,000
Underwriter’s over-allotment		450,000
Total shares of Class A common stock		3,450,000
Public offering price per share	$	25.50
Net proceeds(1)	$	86,964

⁽¹⁾ Net of underwriting discounts and commissions and expenses.

Schedule of Dividends Payable [Table Text Block]

The Board of Directors has approved and the Company has declared the following dividends to date in 2013:

Quarter Ended	Dividend Amount		Declaration Date	Record Date	Pay Date
June 30	$	0.875	June 17	June 28	July 31
March 31		0.875	March 15	March 28	April 30

The Board of Directors approved and the Company declared and paid the following dividends for 2012:

Quarter Ended	Dividend Amount		Declaration Date	Record Date	Pay Date
December 31	$	0.875	December 5	December 17	December 31
September 30		0.875	September 13	September 28	October 31
June 30		0.875	June 15	June 29	July 31
March 31		0.875	March 16	March 26	April 30

Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]

The following tables present the activities and balances related to restricted stock for the dates and periods indicated:

	Three Months Ended June 30,				Six Months Ended June 30,
	2013		2012		2013		2012
Shares granted		36,000		—		36,000		—
Weight-average share price	$	26.74	$	—	$	26.74	$	—
Compensation expense recognized during the period	$	100	$	32	$	209	$	86

	June 30, 2013		December 31, 2012
Restricted Class A shares outstanding, unvested		66,170		34,835
Unrecognized compensation cost related to unvested shares	$	1,261	$	507
Weighted-average vesting period remaining		2.49 years		2.22 years

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Derivative Financial Instruments and Hedging Activities (Tables)

6 Months Ended

Jun. 30, 2013

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments [Table Text Block]

The Company held the following derivative instruments as of the dates indicated:

	June 30, 2013				December 31, 2012
	Notional Amount		Fair Value		Notional Amount		Fair Value
No hedge designation
Eurodollar futures(1)	$	19,623,000	$	(40,541)	$	17,525,000	$	(76,850)
10-year swap futures(2)		550,000		24,100		—		—
Commitment to purchase MBS(3)		435,000		(4,098)		—		—
Commitment to sell MBS(4)		458,155		7,038		—		—

(1) The $19,623,000 total notional amount of Eurodollar futures contracts as of June 30, 2013 represents the accumulation of Eurodollar futures contracts that mature on a quarterly basis between 2013 and 2018. As of June 30, 2013, the Company maintained $24,346 as a deposit and margin against the open Eurodollar futures contracts.

(2) The total notional amount of $550,000 represents the accumulation of 10-year swap futures that mature in September 2013. As of June 30, 2013, the Company maintained $8,250 as a deposit and margin against the open swap futures contracts.

(3) The total notional amount of commitment to purchase MBS represents forward commitments to purchase fixed-rate MBS securities.

(4) The total notional amount of commitment to sell MBS represents forward commitments to sell fixed-rate MBS securities.  

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Document And Entity Information	6 Months Ended
	Jun. 30, 2013	Jul. 31, 2013 Common Class A [Member]	Jul. 31, 2013 Common Class B [Member]
Document Information [Line Items]
Entity Registrant Name	Arlington Asset Investment Corp.
Entity Central Index Key	0001209028
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Trading Symbol	AI
Entity Common Stock, Shares Outstanding		16,051,626	554,055
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2013
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2013

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Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The following tables present the computations of basic and diluted earnings per share for the periods indicated:

	Three Months Ended June 30,
(Shares in thousands)	2013				2012
	Basic		Diluted		Basic		Diluted
Weighted-average shares outstanding
Common stock		16,655		16,655		9,726		9,726
Stock options, performance share units, and unvested    restricted stock		—		177		—		7
Weighted-average common and common equivalent shares    outstanding		16,655		16,832		9,726		9,733
Net income applicable to common stock	$	3,194	$	3,194	$	2,144	$	2,144
Net income per common share	$	0.19	$	0.19	$	0.22	$	0.22

	Six Months Ended June 30,
(Shares in thousands)	2013				2012
	Basic		Diluted		Basic		Diluted
Weighted-average shares outstanding
Common stock		15,299		15,299		8,795		8,795
Stock options, performance share units, and     unvested restricted stock		—		171		—		8
Weighted-average common and common     equivalent shares outstanding		15,299		15,470		8,795		8,803
Net income applicable to common stock	$	6,371	$	6,371	$	12,906	$	12,906
Net income per common share	$	0.42	$	0.41	$	1.47	$	1.47