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Fair Value Measurements (Tables)
9 Months Ended
Sep. 30, 2013
Fair Value Disclosures [Abstract]  
Fair Value Assets And Liabilities Measured On A Recurring Basis [Table Text Block]
The fair value of financial assets and liabilities that are measured on a recurring basis are as follows as of September 30, 2013 (in thousands):
 
 
Total
 
Quoted Prices in Active Markets for Identical Instruments
 
Significant Other Observable Inputs
 
Significant Unobservable Inputs
Assets:
 
 
 
 
 
 
 
 
Trading securities:
 
 
 
 
 
 
 
 
U.S. Government agency debentures
 
$
74,632

 
$

 
$
74,632

 
$

U.S. agency residential mortgage-backed securities
 
26,129

 

 
26,129

 

Municipal and other tax-exempt securities
 
37,057

 

 
37,057

 

Other trading securities
 
13,069

 

 
13,069

 

Total trading securities
 
150,887

 

 
150,887

 

Available for sale securities:
 
 

 
 

 
 

 
 

U.S. Treasury
 
1,052

 
1,052

 

 

Municipal and other tax-exempt
 
95,440

 

 
55,769

 
39,671

U.S. agency residential mortgage-backed securities
 
7,981,387

 

 
7,981,387

 

Privately issued residential mortgage-backed securities
 
230,900

 

 
230,900

 

Commercial mortgage-backed securities guaranteed by U.S. government agencies
 
1,946,295

 

 
1,946,295

 

Other debt securities
 
35,362

 

 
30,650

 
4,712

Perpetual preferred stock
 
23,680

 

 
23,680

 

Equity securities and mutual funds
 
58,787

 

 
54,580

 
4,207

Total available for sale securities
 
10,372,903

 
1,052

 
10,323,261

 
48,590

Fair value option securities:
 
 
 
 
 
 
 
 
U.S. agency residential mortgage-backed securities
 
163,567

 

 
163,567

 

     Other securities
 
4,293

 

 
4,293

 

Total fair value option securities
 
167,860

 

 
167,860

 

Residential mortgage loans held for sale
 
230,511

 

 
230,511

 

Mortgage servicing rights1
 
140,863

 

 

 
140,863

Derivative contracts, net of cash margin2
 
377,325

 
644

 
376,681

 

Other assets – private equity funds
 
27,799

 

 

 
27,799

Liabilities:
 
 

 
 

 
 

 
 

Derivative contracts, net of cash margin2
 
232,544

 

 
232,544

 

1 
A reconciliation of the beginning and ending fair value of mortgage servicing rights and disclosures of significant assumptions used to determine fair value are presented in Note 5, Mortgage Banking Activities.
2 
See Note 3 for detail of fair value of derivative contracts by contract type. Derivative contracts based on quoted prices in active markets for identical instruments (Level 1) are exchange-traded energy and agricultural derivative contacts, net of cash margin.

The fair value of financial assets and liabilities that are measured on a recurring basis are as follows as of December 31, 2012 (in thousands):
 
 
Total
 
Quoted Prices in Active Markets for Identical Instruments
 
Significant Other Observable Inputs
 
Significant Unobservable Inputs
Assets:
 
 
 
 
 
 
 
 
Trading securities:
 
 
 
 
 
 
 
 
U.S. Government agency debentures
 
$
16,545

 
$

 
$
16,545

 
$

U.S. agency residential mortgage-backed securities
 
86,361

 

 
86,361

 

Municipal and other tax-exempt securities
 
90,326

 

 
90,326

 

Other trading securities
 
20,870

 

 
20,870

 

Total trading securities
 
214,102

 

 
214,102

 

Available for sale securities:
 
 

 
 

 
 

 
 

U.S. Treasury
 
1,002

 
1,002

 

 

Municipal and other tax-exempt
 
87,142

 

 
46,440

 
40,702

U.S. agency residential mortgage-backed securities
 
9,889,821

 

 
9,889,821

 

Privately issued residential mortgage-backed securities
 
325,163

 

 
325,163

 

Commercial mortgage-backed securities guaranteed by U.S. government agencies
 
895,075

 

 
895,075

 

Other debt securities
 
36,389

 

 
30,990

 
5,399

Perpetual preferred stock
 
25,072

 

 
25,072

 

Equity securities and mutual funds
 
27,557

 
4,165

 
21,231

 
2,161

Total available for sale securities
 
11,287,221

 
5,167

 
11,233,792

 
48,262

Fair value option securities:
 
 
 
 
 
 
 
 
U.S. agency residential mortgage-backed securities
 
257,040

 

 
257,040

 

Corporate debt securities
 
26,486

 

 
26,486

 

     Other securities
 
770

 

 
770

 

Total fair value option securities
 
284,296

 

 
284,296

 

Residential mortgage loans held for sale
 
293,762

 

 
293,762

 

Mortgage servicing rights1
 
100,812

 

 

 
100,812

Derivative contracts, net of cash margin2
 
338,106

 
11,597

 
326,509

 

Other assets – private equity funds
 
28,169

 

 

 
28,169

Liabilities:
 
 

 
 

 
 

 
 

Derivative contracts, net of cash margin 2
 
283,589

 

 
283,589

 

1 
A reconciliation of the beginning and ending fair value of mortgage servicing rights and disclosures of significant assumptions used to determine fair value are presented in Note 5, Mortgage Banking Activities.
2 
See Note 3 for detail of fair value of derivative contracts by contract type. Derivative contracts based on quoted prices in active markets for identical instruments (Level 1) are exchange-traded energy and agricultural derivative contacts, net of cash margin.


The fair value of financial assets and liabilities that are measured on a recurring basis are as follows as of September 30, 2012 (in thousands):
 
 
Total
 
Quoted Prices in
Active Markets for Identical Instruments
 
Significant Other Observable Inputs
 
Significant Unobservable Inputs
Assets:
 
 
 
 
 
 
 
 
Trading securities:
 
 
 
 
 
 
 
 
U.S. Government agency debentures
 
$
3,100

 
$

 
$
3,100

 
$

U.S. agency residential mortgage-backed securities
 
119,835

 

 
119,835

 

Municipal and other tax-exempt securities
 
58,150

 

 
58,150

 

Other trading securities
 
23,157

 

 
23,157

 

Total trading securities
 
204,242

 

 
204,242

 

Available for sale securities:
 
 

 
 

 
 

 
 

U.S. Treasury
 
1,002

 
1,002

 

 

Municipal and other tax-exempt
 
87,969

 

 
46,690

 
41,279

U.S. agency residential mortgage-backed securities
 
10,654,821

 

 
10,654,821

 

Privately issued residential mortgage-backed securities
 
331,722

 

 
331,722

 

Commercial mortgage-backed securities guaranteed by U.S. government agencies
 
339,095

 

 
339,095

 

Other debt securities
 
36,456

 

 
31,056

 
5,400

Perpetual preferred stock
 
25,288

 

 
25,288

 

Equity securities and mutual funds
 
30,081

 
6,912

 
23,169

 

Total available for sale securities
 
11,506,434

 
7,914

 
11,451,841

 
46,679

Fair value option securities:
 
 
 
 
 
 
 
 
U.S. agency residential mortgage-backed securities
 
305,445

 

 
305,445

 

Corporate debt securities
 
26,442

 

 
26,442

 

Total fair value option securities
 
331,887

 

 
331,887

 

Residential mortgage loans held for sale
 
325,102

 

 
325,102

 

Mortgage servicing rights1
 
89,653

 

 

 
89,653

Derivative contracts, net of cash margin 2
 
472,783

 
8,301

 
464,482

 

Other assets – private equity funds
 
28,792

 

 

 
28,792

Liabilities:
 
 

 
 

 
 

 
 

Derivative contracts, net of cash margin 2
 
435,497

 

 
435,497

 

1 
A reconciliation of the beginning and ending fair value of mortgage servicing rights and disclosures of significant assumptions used to determine fair value are presented in Note 5, Mortgage Banking Activities.
2 
See Note 3 for detail of fair value of derivative contracts by contract type. Derivative contracts based on quoted prices in active markets for identical instruments (Level 1) are exchange-traded energy and agricultural derivative contacts, net of cash margin.

Fair Value Assets Measured On Recurring Basis, Significant Unobservable Inputs [Table Text Block]
The following represents the changes for the three months ended September 30, 2013 related to assets measured at fair value on a recurring basis using significant unobservable inputs (in thousands):
 
 
Available for Sale Securities
 
 
 
 
Municipal and other tax-exempt
 
Other debt securities
 
Equity securities and mutual funds
 
Other assets – private equity funds
Balance, June 30, 2013
 
$
38,847

 
$
5,193

 
$
2,247

 
$
28,379

Purchases and capital calls
 

 

 

 
567

Redemptions and distributions
 

 
(500
)
 

 
(1,589
)
Gain (loss) recognized in earnings:
 
 

 
 

 
 
 
 

Gain on other assets, net
 

 

 

 
442

Gain on available for sale securities, net
 

 

 

 

Other-than-temporary impairment losses
 
(1,369
)
 

 

 

Other comprehensive gain (loss)
 
2,193

 
19

 
1,960

 

Balance, Sept. 30, 2013
 
$
39,671

 
$
4,712

 
$
4,207

 
$
27,799


The following represents the changes for the nine months ended September 30, 2013 related to assets measured at fair value on a recurring basis using significant unobservable inputs (in thousands):
 
 
Available for Sale Securities
 
 
 
 
Municipal and other tax-exempt
 
Other debt securities
 
Equity securities and mutual funds
 
Other assets – private equity funds
Balance, Dec. 31, 2012
 
$
40,702

 
$
5,399

 
$
2,161

 
$
28,169

Purchases and capital calls
 

 

 

 
1,207

Redemptions and distributions
 
(98
)
 
(500
)
 

 
(3,424
)
Gain (loss) recognized in earnings:
 
 

 
 

 
 
 
 

Gain on other assets, net
 

 

 

 
1,847

Gain on available for sale securities, net
 

 

 

 

Other-than-temporary impairment losses
 
(1,369
)
 

 

 

Other comprehensive gain (loss)
 
436

 
(187
)
 
2,046

 

Balance, Sept. 30, 2013
 
$
39,671

 
$
4,712

 
$
4,207

 
$
27,799


The following represents the changes for the three months ended September 30, 2012 related to assets measured at fair value on a recurring basis using significant unobservable inputs (in thousands):
 
 
Available for Sale Securities
 
 
 
 
Municipal and other tax-exempt
 
Other debt securities
 
Other assets – private equity funds
Balance, June 30, 2012
 
$
41,662

 
$
5,388

 
$
31,492

Purchases, and capital calls
 

 

 
476

Redemptions and distributions
 
1

 

 
(3,906
)
Gain (loss) recognized in earnings
 
 

 
 

 
 

Gain on other assets, net
 

 

 
730

Gain on available for sale securities, net
 

 

 

Other-than-temporary impairment losses
 

 

 

Other comprehensive (loss)
 
(384
)
 
12

 

Balance, Sept. 30, 2012
 
$
41,279

 
$
5,400

 
$
28,792


The following represents the changes for the nine months ended September 30, 2012 related to assets measured at fair value on a recurring basis using significant unobservable inputs (in thousands):
 
 
Available for Sale Securities
 
 
 
 
Municipal and other tax-exempt
 
Other debt securities
 
Other assets – private equity funds
Balance, Dec. 31, 2011
 
$
42,353

 
$
5,900

 
$
30,902

Purchases, and capital calls
 

 

 
2,385

Redemptions and distributions
 
(462
)
 
(500
)
 
(7,072
)
Gain (loss) recognized in earnings
 
 

 
 

 
 
Gain on other assets, net
 

 

 
2,577

Gain on available for sale securities, net
 
1

 

 

Other-than-temporary impairment losses
 

 

 

Other comprehensive (loss)
 
(613
)
 

 

Balance, Sept. 30, 2012
 
$
41,279

 
$
5,400

 
$
28,792

Fair Value Inputs, Fair Value Measured On a Recurring Basis, Quantitative Information [Table Text Block]
A summary of quantitative information about assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3) as of September 30, 2013 follows (in thousands):
Quantitative Information about Level 3 Recurring Fair Value Measurements
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Par
Value
 
Amortized
Cost6
 
Fair
Value
 
Valuation Technique(s)
 
Unobservable Input
 
Range
(Weighted Average)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Available for sale securities
 
 
 
 
 
 
 
 
 
 
 
 
 
Municipal and other tax-exempt securities
 
 
 
 
 
 
 
 
 
 
 
 
 
Investment grade
 
$
21,545

 
$
21,467

 
$
20,531

 
Discounted cash flows
1 
Interest rate spread
 
4.98%-5.28% (5.15%)
2 
95.02%-95.55% (95.29%)
3 
Below investment grade
 
23,925

 
17,924

 
19,140

 
Proposed settlement agreement
4 
Discount for settlement uncertainty
 
 
 
80.00% (80.00%)
3 
Total municipal and other tax-exempt securities
 
45,470

 
39,391

 
39,671

 
 
 
 
 
 
 
Other debt securities
 
4,900

 
4,900

 
4,712

 
Discounted cash flows
1 
Interest rate spread
 
5.60%-5.68% (5.67%)
5 
96.16%-96.16% (96.16%)
3 
Equity securities and mutual funds
 
N/A
 
2,420

 
4,207

 
Publicly announced preliminary purchase price information from acquirer.
 
Discount for settlement uncertainty
 
N/A
7 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Other assets - private equity funds
 
N/A
 
N/A
 
27,799

 
Net asset value reported by underlying fund
 
Net asset value reported by underlying fund
 
N/A
 
1 
Discounted cash flows developed using discount rates primarily based on reference to interest rate spreads for comparable securities of similar duration and credit rating as determined by the nationally-recognized rating agencies, adjusted for lack of trading volume
2 
Interest rate yields used to value investment grade tax-exempt securities represent a spread of 462 to 517 basis points over average yields for comparable tax-exempt securities.
3 
Represents fair value as a percentage of par value
4 
Fair value based on proposed settlement agreement between bond holders and issuer.
5 
Interest rate yields used to value investment grade taxable securities based on comparable short-term taxable securities which are generally yielding less than 1%.
6 
Amortized cost reduced by other-than-temporary impairments recorded in earnings. See Note 2 for additional discussion.
7 
Fair value of shares of a smaller privately-held financial institution were valued using preliminary announced purchase information by a publicly-traded acquirer.


The fair value of these securities measured at fair value using significant unobservable inputs are sensitive primarily to changes in interest rate spreads. At September 30, 2013, for tax-exempt securities rated investment grade by all nationally-recognized rating agencies, a 100 basis point increase in the spreads over average yields for comparable securities would result in an additional decrease in the fair value of $199 thousand. For taxable securities rated investment grade by all nationally-recognized rating agencies, a 100 basis point increase in the spreads over average yield for comparable securities would result in an additional decrease in the fair value of $45 thousand. For municipal and other tax-exempt securities rated below investment grade by at least one of the nationally-recognized rating agencies, a 100 basis point increase in the spread over average yields for comparable securities would significant change the fair value of these securities.

A summary of quantitative information about Recurring Fair Value Measurements based on Significant Unobservable Inputs (Level 3) as of December 31, 2012 follows (in thousands):
Quantitative Information about Level 3 Recurring Fair Value Measurements
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Par
Value
 
Amortized
Cost6
 
Fair
Value
 
Valuation Technique(s)
 
Unobservable Input
 
Range
(Weighted Average)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Available for sale securities
 
 
 
 
 
 
 
 
 
 
 
 
 
Municipal and other tax-exempt securities
 
 
 
 
 
 
 
 
 
 
 
 
 
Investment grade
 
$
28,570

 
$
28,473

 
$
28,318

 
Discounted cash flows
1 
Interest rate spread
 
1.00%-1.50% (1.25%)
2 
98.83%-99.43% (99.12%)
3 
Below investment grade
 
17,000

 
12,384

 
12,384

 
Discounted cash flows
1 
Interest rate spread
 
7.21%-9.83% (7.82%)
4 
72.79%-73.00% (72.85%)
3 
Total municipal and other tax-exempt securities
 
45,570

 
40,857

 
40,702

 
 
 
 
 
 
 
Other debt securities
 
5,400

 
5,400

 
5,399

 
Discounted cash flows
1 
Interest rate spread
 
1.65%-1.71% (1.70%)
5 
100% (100%)
3 
Equity securities and mutual funds
 
N/A
 
2,161

 
2,161

 
Tangible book value per share of publicly traded financial institutions of similar size, less liquidity discount.
 
Peer group tangible book per share and liquidity discount.
 
N/A
7 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Other assets - private equity funds
 
N/A
 
N/A
 
28,169

 
Net asset value reported by underlying fund
 
Net asset value reported by underlying fund
 
N/A
 
1 
Discounted cash flows developed using discount rates primarily based on reference to interest rate spreads for comparable securities of similar duration and credit rating as determined by the nationally-recognized rating agencies, adjusted for lack of trading volume
2 
Interest rate yields used to value investment grade tax-exempt securities represent a spread of 75 to 80 basis points over average yields for comparable tax-exempt securities.
3 
Represents fair value as a percentage of par value
4 
Interest rate yields determined using a spread of 700 basis points over comparable municipal securities of varying durations.
5 
Interest rate yields used to value investment grade taxable securities based on comparable short-term taxable securities which are generally yielding less than 1%.
6 
Amortized cost reduced by other-than-temporary impairments recorded in earnings. See Note 2 for additional discussion.
7 
Fair value of shares of a smaller privately-held financial institution were valued using the tangible book value per share of similarly sized financial institutions within the immediate geographical market with a discount of 20% due to the liquidity of the shares.


A summary of quantitative information about Recurring Fair Value Measurements based on Significant Unobservable Inputs (Level 3) as of September 30, 2012 follows (in thousands):

Quantitative Information about Level 3 Recurring Fair Value Measurements
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Par
Value
 
Amortized
Cost6
 
Fair
Value
 
Valuation Technique(s)
 
Unobservable Input
 
Range
(Weighted Average)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Available for sale securities
 
 
 
 
 
 
 
 
 
 
 
 
 
Municipal and other tax-exempt securities
 
 
 
 
 
 
 
 
 
 
 
 
 
Investment grade
 
$
29,100

 
$
28,999

 
$
28,848

 
Discounted cash flows
1 
Interest rate spread
 
1.00%-1.50% (1.25%)
2 
98.85%-99.47% (99.13%)
3 
Below investment grade
 
17,000

 
13,396

 
12,431

 
Discounted cash flows
1 
Interest rate spread
 
7.20%-9.88% (7.77%)
4 
73.06%-73.30% (73.13%)
3 
Total municipal and other tax-exempt securities
 
46,100

 
42,395

 
41,279

 
 
 
 
 
 
 
Other debt securities
 
5,400

 
5,400

 
5,400

 
Discounted cash flows
1 
Interest rate spread
 
1.70%-1.73% (1.71%)
5 
100.00%-100.00% (100.00%)
3 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Other assets - private equity funds
 
N/A
 
N/A
 
28,792

 
Net asset value reported by underlying fund
 
Net asset value reported by underlying fund
 
N/A
 
1 
Discounted cash flows developed using discount rates primarily based on reference to interest rate spreads for comparable securities of similar duration and credit rating as determined by the nationally-recognized rating agencies, adjusted for lack of trading volume
2 
Interest rate yields used to value investment grade tax-exempt securities represent a spread of 75 to 80 basis points over average yields for comparable tax-exempt securities.
3 
Represents fair value as a percentage of par value
4 
Interest rate yields determined using a spread of 700 basis points over comparable municipal securities of varying durations.
5 
Interest rate yields used to value investment grade taxable securities based on comparable short-term taxable securities which are generally yielding less than 1%.
6 
Amortized cost reduced by other-than-temporary impairments recorded in earnings. See Note 2 for additional discussion.
Fair Value Assets Measured on Nonrecurring Basis [Table Text Block]
The following represents the carrying value of assets measured at fair value on a non-recurring basis (and related losses) during the period. The carrying value represents only those assets with a balance at September 30, 2013 for which the fair value was adjusted during the nine months ended September 30, 2013:
 
 
 
 
 
 
 
Fair Value Adjustments for the
 
Carrying Value at September 30, 2013
 
Three Months Ended September 30, 2013 Recognized in:
 
Nine Months Ended September 30, 2013 Recognized in:
 
Quoted Prices
in Active Markets for Identical Instruments
 
Significant
Other
Observable
Inputs
 
Significant
Unobservable
Inputs
 
Gross charge-offs against allowance for loan losses
 
Net losses and expenses of repossessed assets, net
 
Gross charge-offs against allowance for loan losses
 
Net losses and expenses of repossessed assets, net
Impaired loans
$

 
$
10,607

 
$
4,787

 
$
660

 
$

 
$
6,900

 
$

Real estate and other repossessed assets

 
14,901

 
170

 

 
1,767

 

 
2,560

 
The following represents the carrying value of assets measured at fair value on a non-recurring basis (and related losses) during the period. The carrying value represents only those assets with a balance at September 30, 2012 for which the fair value was adjusted during the nine months ended September 30, 2012:
 
 
 
 
 
 
 
Fair Value Adjustments for the
 
Carrying Value at September 30, 2012
 
Three Months Ended September 30, 2012 Recognized in:
 
Nine Months Ended September 30, 2012 Recognized in:
 
Quoted Prices
in Active Markets for Identical Instruments
 
Significant
Other
Observable
Inputs
 
Significant
Unobservable
Inputs
 
Gross charge-offs against allowance for loan losses
 
Net losses and expenses of repossessed assets, net
 
Gross charge-offs against allowance for loan losses
 
Net losses and expenses of repossessed assets, net
Impaired loans
$

 
$
25,521

 
$
1,655

 
$
3,915

 
$

 
$
10,797

 
$

Real estate and other repossessed assets

 
38,386

 
6,617

 

 
4,398

 

 
11,068

Fair Value Inputs, Fair Value Measured On a Nonrecurring Basis, Quantitative Information [Table Text Block]
A summary of quantitative information about Non-recurring Fair Value Measurements based on Significant Unobservable Inputs (Level 3) as of September 30, 2013 follows (in thousands):
Quantitative Information about Level 3 Non-recurring Fair Value Measurements
 
 
Fair Value
 
Valuation Technique(s)
 
Unobservable Input
 
Range
(Weighted Average)
 
 
 
 
 
 
 
 
 
Impaired loans
 
$
4,787

 
Appraised value, as adjusted
 
Broker quotes and management's knowledge of industry and collateral.
 
N/A
Real estate and other repossessed assets
 
170

 
Listing value, less cost to sell
 
Marketability adjustments off appraised value
 
82%-85% (83%)1
1 
Marketability adjustments include consideration of estimated costs to sell which is approximately 15% of fair value.

A summary of quantitative information about Non-recurring Fair Value Measurements based on Significant Unobservable Inputs (Level 3) as of September 30, 2012 follows (in thousands):
Quantitative Information about Level 3 Non-recurring Fair Value Measurements
 
 
Fair Value
 
Valuation Technique(s)
 
Unobservable Input
 
Range
(Weighted Average)
 
 
 
 
 
 
 
 
 
Impaired loans
 
$
1,655

 
Appraised value, as adjusted
 
Broker quotes and management's knowledge of industry and collateral.
 
N/A
Real estate and other repossessed assets
 
6,617

 
Listing value, less cost to sell
 
Marketability adjustments off appraised value
 
68%-100% (85%)1
1 
Marketability adjustments include consideration of estimated costs to sell which is approximately 15% of fair value. In addition, $796 thousand of real estate and other repossessed assets at September 30, 2012 are based on expert opinions or management's knowledge of the collateral or industry and do not have and independently appraised value.
Fair Value of Financial Instruments [Table Text Block]
The following table presents the carrying values and estimated fair values of all financial instruments, including those financial assets and liabilities that are not measured and reported at fair value on a recurring basis or non-recurring basis as of September 30, 2013 (dollars in thousands):
 
 
Carrying
Value
 
Range of
Contractual
Yields
 
Average
Re-pricing
(in years)
 
Discount
Rate
 
Estimated
Fair
Value
Cash and cash equivalents
 
$
1,133,771

 
 
 
 
 
 
 
$
1,133,771

Trading securities:
 
 
 
 
 
 
 
 
 
 
U.S. Government agency debentures
 
74,632

 
 
 
 
 
 
 
74,632

U.S. agency residential mortgage-backed securities
 
26,129

 
 
 
 
 
 
 
26,129

Municipal and other tax-exempt securities
 
37,057

 
 
 
 
 
 
 
37,057

Other trading securities
 
13,069

 
 
 
 
 
 
 
13,069

Total trading securities
 
150,887

 
 
 
 
 
 
 
150,887

Investment securities:
 
 

 
 
 
 
 
 
 
 

Municipal and other tax-exempt
 
409,542

 
 
 
 
 
 
 
407,562

U.S. agency residential mortgage-backed securities
 
56,182

 
 
 
 
 
 
 
58,442

Other debt securities
 
178,501

 
 
 
 
 
 
 
188,475

Total investment securities
 
644,225

 
 
 
 
 
 
 
654,479

Available for sale securities:
 
 

 
 
 
 
 
 
 
 

U.S. Treasury
 
1,052

 
 
 
 
 
 
 
1,052

Municipal and other tax-exempt
 
95,440

 
 
 
 
 
 
 
95,440

U.S. agency residential mortgage-backed securities
 
7,981,387

 
 
 
 
 
 
 
7,981,387

Privately issued residential mortgage-backed securities
 
230,900

 
 
 
 
 
 
 
230,900

Commercial mortgage-backed securities guaranteed by U.S. government agencies
 
1,946,295

 
 
 
 
 
 
 
1,946,295

Other debt securities
 
35,362

 
 
 
 
 
 
 
35,362

Perpetual preferred stock
 
23,680

 
 
 
 
 
 
 
23,680

Equity securities and mutual funds
 
58,787

 
 
 
 
 
 
 
58,787

Total available for sale securities
 
10,372,903

 
 
 
 
 
 
 
10,372,903

Fair value option securities:
 
 
 
 
 
 
 
 
 
 
U.S. agency residential mortgage-backed securities
 
163,567

 
 
 
 
 
 
 
163,567

      Other securities
 
4,293

 
 
 
 
 
 
 
4,293

Total fair value option securities
 
167,860

 
 
 
 
 
 
 
167,860

Residential mortgage loans held for sale
 
230,511

 
 
 
 
 
 
 
230,511

Loans:
 
 

 
 
 
 
 
 
 
 

Commercial
 
7,571,075

 
0.25% - 30.00%
 
0.46

 
0.50% - 4.19%

 
7,493,143

Commercial real estate
 
2,349,229

 
0.38% - 18.00%
 
0.79

 
1.20% - 3.42%

 
2,326,908

Residential mortgage
 
2,034,765

 
0.38% - 18.00%
 
2.56

 
0.64% - 4.40%

 
2,056,072

Consumer
 
395,031

 
0.38% - 21.00%
 
0.55

 
1.24% - 3.71%

 
388,490

Total loans
 
12,350,100

 
 
 
 

 
 

 
12,264,613

Allowance for loan losses
 
(194,325
)
 
 
 
 

 
 

 

Net loans
 
12,155,775

 
 
 
 

 
 

 
12,264,613

Mortgage servicing rights
 
140,863

 
 
 
 

 
 

 
140,863

Derivative instruments with positive fair value, net of cash margin
 
377,325

 
 
 
 

 
 

 
377,325

Other assets – private equity funds
 
27,799

 
 
 
 

 
 

 
27,799

Deposits with no stated maturity
 
16,771,635

 
 
 
 

 
 

 
16,771,635

Time deposits
 
2,720,020

 
0.01% - 9.64%
 
2.08

 
0.75% - 1.28%

 
2,739,764

Other borrowed funds
 
3,611,944

 
0.25% - 4.78%
 

 
0.06% - 2.65%

 
3,570,228

Subordinated debentures
 
347,758

 
0.95% - 5.00%
 
2.87

 
2.22
%
 
344,854

Derivative instruments with negative fair value, net of cash margin
 
232,544

 
 
 
 

 
 

 
232,544

The following table presents the carrying values and estimated fair values of all financial instruments, including those financial assets and liabilities that are not measured and reported at fair value on a recurring basis or non-recurring basis as of December 31, 2012 (dollars in thousands):
 
 
Carrying
Value
 
Range of
Contractual
Yields
 
Average
Re-pricing
(in years)
 
Discount
Rate
 
Estimated
Fair
Value
Cash and cash equivalents
 
$
1,286,239

 
 
 
 
 
 
 
$
1,286,239

Trading securities:
 
 
 
 
 
 
 
 
 
 
U.S. Government agency debentures
 
16,545

 
 
 
 
 
 
 
16,545

U.S. agency residential mortgage-backed securities
 
86,361

 
 
 
 
 
 
 
86,361

Municipal and other tax-exempt securities
 
90,326

 
 
 
 
 
 
 
90,326

Other trading securities
 
20,870

 
 
 
 
 
 
 
20,870

Total trading securities
 
214,102

 
 
 
 
 
 
 
214,102

Investment securities:
 
 

 
 
 
 
 
 
 
 

Municipal and other tax-exempt
 
232,700

 
 
 
 
 
 
 
235,940

U.S. agency residential mortgage-backed securities
 
82,767

 
 
 
 
 
 
 
85,943

Other debt securities
 
184,067

 
 
 
 
 
 
 
206,575

Total investment securities
 
499,534

 
 
 
 
 
 
 
528,458

Available for sale securities:
 
 

 
 
 
 
 
 
 
 

U.S. Treasury
 
1,002

 
 
 
 
 
 
 
1,002

Municipal and other tax-exempt
 
87,142

 
 
 
 
 
 
 
87,142

U.S. agency residential mortgage-backed securities
 
9,889,821

 
 
 
 
 
 
 
9,889,821

Privately issued residential mortgage-backed securities
 
325,163

 
 
 
 
 
 
 
325,163

Commercial mortgage-backed securities guaranteed by U.S. government agencies
 
895,075

 
 
 
 
 
 
 
895,075

Other debt securities
 
36,389

 
 
 
 
 
 
 
36,389

Perpetual preferred stock
 
25,072

 
 
 
 
 
 
 
25,072

Equity securities and mutual funds
 
27,557

 
 
 
 
 
 
 
27,557

Total available for sale securities
 
11,287,221

 
 
 
 
 
 
 
11,287,221

Fair value option securities:
 
 
 
 
 
 
 
 
 
 
U.S. agency residential mortgage-backed securities
 
257,040

 
 
 
 
 
 
 
257,040

Corporate debt securities
 
26,486

 
 
 
 
 
 
 
26,486

      Other securities
 
770

 
 
 
 
 
 
 
770

Total fair value option securities
 
284,296

 
 
 
 
 
 
 
284,296

Residential mortgage loans held for sale
 
293,762

 
 
 
 
 
 
 
293,762

Loans:
 
 

 
 
 
 

 
 

 
 

Commercial
 
7,641,912

 
0.21% - 30.00%
 
0.69

 
0.51% - 3.59%

 
7,606,505

Commercial real estate
 
2,228,999

 
0.21% - 18.00%
 
0.92

 
1.26% - 3.18%

 
2,208,217

Residential mortgage
 
2,045,040

 
0.38% - 18.00%
 
3.34

 
0.86% - 3.09%

 
2,110,773

Consumer
 
395,505

 
0.38% - 21.00%
 
0.32

 
1.37% - 3.60%

 
388,748

Total loans
 
12,311,456

 
 
 
 

 
 

 
12,314,243

Allowance for loan losses
 
(215,507
)
 
 
 
 

 
 

 

Net loans
 
12,095,949

 
 
 
 

 
 

 
12,314,243

Mortgage servicing rights
 
100,812

 
 
 
 

 
 

 
100,812

Derivative instruments with positive fair value, net of cash margin
 
338,106

 
 
 
 

 
 

 
338,106

Other assets – private equity funds
 
28,169

 
 
 
 

 
 

 
28,169

Deposits with no stated maturity
 
18,211,068

 
 
 
 

 
 

 
18,211,068

Time deposits
 
2,967,992

 
0.01% - 9.64%
 
2.15

 
0.80% - 1.15%

 
3,037,708

Other borrowed funds
 
2,706,221

 
0.09% - 5.25%
 

 
0.09% - 2.67%

 
2,696,574

Subordinated debentures
 
347,633

 
1.00% - 5.00%
 
3.56

 
2.40
%
 
345,675

Derivative instruments with negative fair value, net of cash margin
 
283,589

 
 
 
 

 
 

 
283,589


The following table presents the carrying values and estimated fair values of all financial instruments, including those financial assets and liabilities that are not measured and reported at fair value on a recurring basis or non-recurring basis as of September 30, 2012 (dollars in thousands):
 
 
Carrying
Value
 
Range of
Contractual
Yields
 
Average
Re-pricing
(in years)
 
Discount
Rate
 
Estimated
Fair
Value
Cash and cash equivalents
 
$
615,494

 
 
 
 
 
 
 
$
615,494

Trading securities:
 
 
 
 
 
 
 
 
 
 
U.S. Government agency debentures
 
3,100

 
 
 
 
 
 
 
3,100

U.S. agency residential mortgage-backed securities
 
119,835

 
 
 
 
 
 
 
119,835

Municipal and other tax-exempt securities
 
58,150

 
 
 
 
 
 
 
58,150

Other trading securities
 
23,157

 
 
 
 
 
 
 
23,157

Total trading securities
 
204,242

 
 
 
 
 
 
 
204,242

Investment securities:
 
 

 
 
 
 
 
 
 
 

Municipal and other tax-exempt
 
155,144

 
 
 
 
 
 
 
159,464

U.S. agency residential mortgage-backed securities
 
91,911

 
 
 
 
 
 
 
95,128

Other debt securities
 
185,059

 
 
 
 
 
 
 
205,766

Total investment securities
 
432,114

 
 
 
 
 
 
 
460,358

Available for sale securities:
 
 

 
 
 
 
 
 
 
 

U.S. Treasury
 
1,002

 
 
 
 
 
 
 
1,002

Municipal and other tax-exempt
 
87,969

 
 
 
 
 
 
 
87,969

U.S. agency residential mortgage-backed securities
 
10,654,821

 
 
 
 
 
 
 
10,654,821

Privately issued residential mortgage-backed securities
 
331,722

 
 
 
 
 
 
 
331,722

Commercial mortgage-backed securities guaranteed by U.S. government agencies
 
339,095

 
 
 
 
 
 
 
339,095

Other debt securities
 
36,456

 
 
 
 
 
 
 
36,456

Perpetual preferred stock
 
25,288

 
 
 
 
 
 
 
25,288

Equity securities and mutual funds
 
30,081

 
 
 
 
 
 
 
30,081

Total available for sale securities
 
11,506,434

 
 
 
 
 
 
 
11,506,434

Fair value option securities:
 
 
 
 
 
 
 
 
 
 
U.S. agency residential mortgage-backed securities
 
305,445

 
 
 
 
 
 
 
305,445

Corporate debt securities
 
26,442

 
 
 
 
 
 
 
26,442

Total fair value option securities
 
331,887

 
 
 
 
 
 
 
331,887

Residential mortgage loans held for sale
 
325,102

 
 
 
 
 
 
 
325,102

Loans:
 
 

 
 
 
 
 
 
 
 

Commercial
 
7,266,907

 
0.25% - 30.00%
 
0.64

 
0.58% - 3.50%

 
7,232,761

Commercial real estate
 
2,177,272

 
0.38% - 18.00%
 
0.93

 
1.30% - 3.17%

 
2,142,239

Residential mortgage
 
2,016,303

 
0.38% - 18.00%
 
3.31

 
0.99% - 3.17%

 
2,084,251

Consumer
 
371,885

 
0.38% - 21.00%
 
0.32

 
1.43% - 3.69%

 
368,546

Total loans
 
11,832,367

 
 
 
 

 
 

 
11,827,797

Allowance for loan losses
 
(233,756
)
 
 
 
 

 
 

 

Net loans
 
11,598,611

 
 
 
 

 
 

 
11,827,797

Mortgage servicing rights
 
89,653

 
 
 
 

 
 

 
89,653

Derivative instruments with positive fair value, net of cash margin
 
472,783

 
 
 
 

 
 

 
472,783

Other assets – private equity funds
 
28,791

 
 
 
 

 
 

 
28,791

Deposits with no stated maturity
 
16,120,541

 
 
 
 

 
 

 
16,120,541

Time deposits
 
3,022,326

 
0.01% - 9.64%
 
2.14

 
0.85% - 1.15%

 
3,099,183

Other borrowed funds
 
3,429,575

 
0.09% - 5.25%
 

 
0.09% - 2.67%

 
3,420,135

Subordinated debentures
 
347,592

 
1.12% - 5.00%
 
3.79

 
2.26
%
 
345,852

Derivative instruments with negative fair value, net of cash margin
 
435,497

 
 
 
 

 
 

 
435,497