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Fair Value Measurements
6 Months Ended
Jun. 30, 2019
Fair Value Disclosures [Abstract]  
Fair Value Measurements [Text Block] Fair Value Measurements

Fair value is defined by applicable accounting guidance as the price to sell an asset or transfer a liability in an orderly transaction between market participants in the principal market for the given asset or liability at the measurement date based on market conditions at that date. An orderly transaction assumes exposure to the market for a customary period for marketing activities prior to the measurement date and not a forced liquidation or distressed sale. Certain assets and liabilities are recorded in the Company’s financial statements at fair value. Some are recorded on a recurring basis and some on a non-recurring basis.

For some assets and liabilities, observable market transactions and market information might be available. For other assets and liabilities, observable market transactions and market information might not be available. A hierarchy for fair value has been established which categorizes into three levels the inputs to valuation techniques used to measure fair value. The three levels are as follows:

Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1) - Fair value is based on unadjusted quoted prices in active markets for identical assets or liabilities.

Significant Other Observable Inputs (Level 2) - Fair value is based on significant other observable inputs which are generally determined based on a single price for each financial instrument provided to us by an applicable third-party pricing service and is based on one or more of the following:

Quoted prices for similar, but not identical, assets or liabilities in active markets;
Quoted prices for identical or similar assets or liabilities in inactive markets;
Inputs other than quoted prices that are observable, such as interest rate and yield curves, volatilities, prepayment speeds, loss severities, credit risks and default rates;
Other inputs derived from or corroborated by observable market inputs.

Significant Unobservable Inputs (Level 3) - Fair value is based upon model-based valuation techniques for which at least one significant assumption is not observable in the market.

Transfers between levels are recognized as of the end of the reporting period. There were no transfers in or out of quoted prices in active markets for identical instruments to significant other observable inputs or significant unobservable inputs during the three and six months ended June 30, 2019 and 2018, respectively. Transfers between significant other observable inputs and significant unobservable inputs during the three and six months ended June 30, 2019 and 2018 are included in the summary of changes in recurring fair values measured using unobservable inputs.

The underlying methods used by the third-party pricing services are considered in determining the primary inputs used to determine fair values. Management has evaluated the methodologies employed by the third-party pricing services by comparing the price provided by the pricing service with other sources, including brokers' quotes, sales or purchases of similar instruments and discounted cash flows to establish a basis for reliance on the pricing service values. Significant differences between the pricing service provided value and other sources are discussed with the pricing service to understand the basis for their values. Based on all observable inputs, management may adjust prices obtained from third-party pricing services to more appropriately reflect the prices that would be received to sell assets or paid to transfer liabilities in orderly transactions in the current market. No significant adjustments were made to prices provided by third-party pricing services at June 30, 2019 or December 31, 2018.

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The fair value of financial assets and liabilities measured on a recurring basis was as follows as of June 30, 2019 (in thousands):
 
 
Total
 
Quoted Prices in Active Markets for Identical Instruments (Level 1)
 
Significant Other Observable Inputs (Level 2)
 
Significant Unobservable Inputs
(Level 3)
Assets:
 
 
 
 
 
 
 
 
Trading securities:
 
 
 
 
 
 
 
 
U.S. government agency debentures
 
$
83,148

 
$

 
$
83,148

 
$

U.S. government agency residential mortgage-backed securities
 
1,620,613

 

 
1,620,613

 

Municipal and other tax-exempt securities
 
49,718

 

 
49,718

 

Asset-backed securities
 
93,546

 

 
93,546

 

Other trading securities
 
53,370

 

 
53,370

 

Total trading securities
 
1,900,395

 

 
1,900,395

 

Available for sale securities:
 
 

 
 

 
 

 
 

U.S. Treasury
 
1,889

 
1,889

 

 

Municipal and other tax-exempt securities
 
2,470

 

 
2,470

 

Residential agency mortgage-backed securities
 
7,354,741

 

 
7,354,741

 

Residential non-agency mortgage-backed securities
 
47,057

 

 
47,057

 

Commercial agency mortgage-backed securities
 
3,107,785

 

 
3,107,785

 

Other debt securities
 
472

 

 

 
472

Total available for sale securities
 
10,514,414

 
1,889

 
10,512,053

 
472

Fair value option securities – U.S. government agency residential mortgage-backed securities
 
1,138,820

 

 
1,138,820

 

Residential mortgage loans held for sale
 
193,570

 

 
177,497

 
16,073

Mortgage servicing rights1
 
208,308

 

 

 
208,308

Derivative contracts, net of cash collateral2
 
415,221

 
29,352

 
385,869

 

Liabilities:
 
 

 
 
 
 
 
 
Derivative contracts, net of cash collateral2
 
381,454

 

 
381,454

 

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 6, Mortgage Banking Activities.
2 
See Note 3 for detail of fair value of derivative contracts by contract type. Derivative contracts in asset positions that were valued based on quoted prices in active markets for identical instruments (Level 1) are primarily exchange-traded energy and interest rate derivative contacts, net of cash margin. Derivative contacts in liability positions that were valued using quoted prices in active markets for identical instruments are exchange-traded interest rate and agricultural derivative contracts, fully offset by cash margin.

The fair value of financial assets and liabilities measured on a recurring basis was as follows as of December 31, 2018 (in thousands):
 
 
Total
 
Quoted Prices in Active Markets for Identical Instruments (Level 1)
 
Significant Other Observable Inputs (Level 2)
 
Significant Unobservable Inputs
(Level 3)
Assets:
 
 
 
 
 
 
 
 
Trading securities:
 
 
 
 
 
 
 
 
U.S. government agency debentures
 
$
63,765

 
$

 
$
63,765

 
$

U.S. government agency residential mortgage-backed securities
 
1,791,584

 

 
1,791,584

 

Municipal and other tax-exempt securities
 
34,507

 

 
34,507

 

Asset-backed securities
 
42,656

 

 
42,656

 

Other trading securities
 
24,411

 

 
24,411

 

Total trading securities
 
1,956,923

 

 
1,956,923

 

Available for sale securities:
 
 

 
 

 
 

 
 

U.S. Treasury
 
493

 
493

 

 

Municipal and other tax-exempt securities
 
2,864

 

 
2,864

 

Residential agency mortgage-backed securities
 
5,804,708

 

 
5,804,708

 

Residential non-agency mortgage-backed securities
 
59,736

 

 
59,736

 

Commercial agency mortgage-backed securities
 
2,953,889

 

 
2,953,889

 

Other debt securities
 
35,430

 

 
34,958

 
472

Total available for sale securities
 
8,857,120

 
493

 
8,856,155

 
472

Fair value option securities – U.S. government agency residential mortgage-backed securities
 
283,235

 

 
283,235

 

Residential mortgage loans held for sale
 
149,221

 

 
134,014

 
15,207

Mortgage servicing rights1
 
259,254

 

 

 
259,254

Derivative contracts, net of cash collateral2
 
320,929

 
44,074

 
276,855

 

Liabilities:
 


 
 
 
 
 
 
Derivative contracts, net of cash collateral2
 
362,306

 

 
362,306

 

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 6, 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 interest rate, energy and agricultural derivative contacts, net of cash margin. Derivative contracts in liability positions that were valued using quoted prices in active markets for identical instruments (Level 1) are exchange-traded interest rate contracts, fully offset by cash margin.



Following is a description of the Company's valuation methodologies used for assets and liabilities measured on a recurring basis:
Securities
The fair values of trading, available for sale and fair value option securities are based on quoted prices for identical instruments in active markets, when available. If quoted prices for identical instruments are not available, fair values are based on significant other observable inputs such as quoted prices of comparable instruments or interest rates and credit spreads, yield curves, volatilities, prepayment speeds and loss severities. The Company has elected to carry all residential mortgage-backed securities guaranteed by U.S. government agencies held as economic hedges against changes in the fair value of mortgage servicing rights at fair value with changes in the fair value recognized in earnings.

The fair value of certain available for sale municipal and other debt securities may be based on significant unobservable inputs. These significant unobservable inputs include limited observed trades, projected cash flows, current credit rating of the issuers and, when applicable, the insurers of the debt and observed trades of similar debt. Discount rates are primarily based on references to interest rate spreads on comparable securities of similar duration and credit rating as determined by the nationally-recognized rating agencies adjusted for a lack of trading volume. Significant unobservable inputs are developed by investment securities professionals involved in the active trading of similar securities. A summary of significant inputs used to value these securities follows. A management committee composed of senior members from the Company's Capital Markets, Risk Management and Finance departments assesses the appropriateness of these inputs quarterly.

Derivatives

All derivative instruments are carried on the balance sheet at fair value. Fair values for exchange-traded contracts are based on quoted prices. Fair values for over-the-counter interest rate, commodity and foreign exchange contracts are based on valuations provided either by third-party dealers in the contracts, quotes provided by independent pricing services, or a third-party provided pricing model that uses significant other observable market inputs.

Credit risk is considered in determining the fair value of derivative instruments. Management determines fair value adjustments based on various risk factors including but not limited to current fair value, probability of default and loss given default.

We also consider our own credit risk in determining the fair value of derivative contracts. Changes in our credit rating would affect the fair value of our derivative liabilities. In the event of a credit downgrade, the fair value of our derivative liabilities would increase.

Residential Mortgage Loans Held for Sale

Residential mortgage loans held for sale are carried on the balance sheet at fair value. The Company has elected to carry all residential mortgage loans originated for sale at fair value. Changes in the fair value of these financial instruments are recognized in earnings. The fair values of residential mortgage loans held for sale are based upon quoted market prices of such loans sold in securitization transactions, including related unfunded loan commitments and forward sales contracts. The fair value of mortgage loans that were unable to be sold to U.S. government agencies were determined using quoted prices of loans that are sold in securitization transactions with a liquidity discount applied.

The following represents the changes for the three and six months ended June 30, 2019 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 securities
 
Other debt securities
 
Residential mortgage loans held for sale
Balance, March 31, 2019
 
$

 
$
472

 
$
15,776

Transfer to Level 3 from Level 21
 

 

 
907

Purchases
 

 

 

Proceeds from sales
 

 

 
(998
)
Redemptions and distributions
 

 

 

Gain (loss) recognized in earnings:
 
 
 
 
 
 
Mortgage banking revenue
 

 

 
388

Other comprehensive income (loss):
 
 
 
 
 
 
Net change in unrealized gain (loss)
 

 

 

Balance, June 30, 2019
 
$

 
$
472

 
$
16,073

1  
Recurring transfers to Level 3 from Level 2 consist of residential mortgage loans intended for sale to U.S. government agencies that fail to meet conforming standards.
 
 
Available for Sale Securities
 
 
 
 
Municipal and other tax-exempt
 
Other debt securities
 
Residential mortgage loans held for sale
Balance, December 31, 2018
 
$

 
$
472

 
$
15,207

Transfer to Level 3 from Level 21
 

 

 
1,889

Purchases
 

 

 

Proceeds from sales
 

 

 
(1,379
)
Redemptions and distributions
 

 

 

Gain (loss) recognized in earnings:
 
 
 
 
 
 
Mortgage banking revenue
 

 

 
356

Other comprehensive income (loss):
 
 
 
 
 
 
Net change in unrealized gain (loss)
 

 

 

Balance, June 30, 2019
 
$

 
$
472

 
$
16,073


1  
Recurring transfers to Level 3 from Level 2 consist of residential mortgage loans intended for sale to U.S. government agencies that fail to meet conforming standards.
The following represents the changes for the three and six months ended June 30, 2018 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 securities
 
Other debt securities
 
Residential mortgage loans held for sale
Balance, March 31, 2018
 
$
1,891

 
$
472

 
$
13,871

Transfer to Level 3 from Level 21
 

 

 
687

Purchases
 

 

 

Proceeds from sales
 

 

 
(488
)
Redemptions and distributions
 

 

 

Gain (loss) recognized in earnings:
 
 
 
 
 
 
Mortgage banking revenue
 

 

 
173

Other comprehensive income (loss):
 
 
 
 
 
 
Net change in unrealized gain (loss)
 
139

 
(1
)
 

Balance, June 30, 2018
 
$
2,030

 
$
471

 
$
14,243

1 
Recurring transfers to Level 3 from Level 2 consist of residential mortgage loans intended for sale to U.S. government agencies that fail to meet conforming standards.

 
 
Available for Sale Securities
 
 
 
 
Municipal and other tax-exempt
 
Other debt securities
 
Residential mortgage loans held for sale
Balance, December 31, 2017
 
$
4,802

 
$
472

 
$
12,299

Transfer to Level 3 from Level 21
 

 

 
2,843

Purchases
 

 

 

Proceeds from sales
 

 

 
(812
)
Redemptions and distributions
 
(3,045
)
 

 

Gain (loss) recognized in earnings
 
 
 
 
 
 
Mortgage banking revenue
 

 

 
(87
)
Other comprehensive income (loss):
 
 
 
 
 
 
Net change in unrealized gain (loss)
 
273

 
(1
)
 

Balance, June 30, 2018
 
$
2,030

 
$
471

 
$
14,243


1 
Recurring transfers to Level 3 from Level 2 consist of residential mortgage loans intended for sale to U.S. government agencies that fail to meet conforming standards.


A summary of quantitative information about assets measured at fair value on a recurring basis using Significant Unobservable Inputs (Level 3) as of June 30, 2019 follows (in thousands):
 
 
Fair
Value
 
Valuation Technique(s)
 
Unobservable Input
 
Range
(Weighted Average)
 
 
 
 
 
 
 
 
 
 
 
Available for sale securities – Other debt securities
 
472

 
Discounted cash flows
1 
Interest rate spread
 
7.26%-7.26% (7.26%)
3 
94.41%-94.41% (94.41%)
2 
Residential mortgage loans held for sale
 
16,073

 
Quoted prices of loans sold in securitization transactions, with a liquidity discount applied
 
Liquidity discount applied to the market value of mortgage loans qualifying for sale to U.S. government agencies.
 
94.70%
 
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 
Represents fair value as a percentage of par value.
3 
Interest rate yields used to value investment grade taxable securities based on comparable short-term taxable securities which are generally yielding approximately 3 percent.

A summary of quantitative information about assets measured at fair value on a recurring basis using Significant Unobservable Inputs (Level 3) as of December 31, 2018 follows (in thousands):
 
 
Fair
Value
 
Valuation Technique(s)
 
Unobservable Input
 
Range
(Weighted Average)
 
 
 
 
 
 
 
 
 
 
 
Available for sale securities – Other debt securities
 
472

 
Discounted cash flows
1 
Interest rate spread
 
7.88%-7.88% (7.88%)
3 
94.44%-94.44% (94.44%)
2 
Residential mortgage loans held for sale
 
15,207

 
Quoted prices of loans sold in securitization transactions, with a liquidity discount applied
 
Liquidity discount applied to the market value of mortgage loans qualifying for sale to U.S. government agencies.
 
92.38%
 
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 
Represents fair value as a percentage of par value.
3 
Interest rate yields used to value investment grade taxable securities based on comparable short-term taxable securities which are generally yielding less than 3 percent.



Fair Value of Assets and Liabilities Measured on a Non-Recurring Basis

Assets measured at fair value on a non-recurring basis include collateral for certain impaired loans and real property and other assets acquired to satisfy loans, which are based primarily on comparisons to completed sales of similar assets.

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 June 30, 2019 for which the fair value was adjusted during the six months ended June 30, 2019:
 
 
 
 
 
 
 
Fair Value Adjustments for the
 
 
 
 
 
Carrying Value at June 30, 2019
 
Three Months Ended
June 30, 2019
Recognized in:
 
Six Months Ended
June 30, 2019
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
$

 
$

 
$
29,187

 
$
11,335

 
$

 
$
20,917

 
$

Real estate and other repossessed assets

 
2,642

 
427

 

 
86

 

 
512

 
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 June 30, 2018 for which the fair value was adjusted during the six months ended June 30, 2018:
 
 
 
 
 
 
 
Fair Value Adjustments for the
 
 
 
 
 
Carrying Value at June 30, 2018
 
Three Months Ended
June 30, 2018
Recognized in:
 
Six Months Ended
June 30, 2018
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
$

 
$
1,045

 
$
11,763

 
$
6,701

 
$

 
$
7,198

 
$

Real estate and other repossessed assets

 
1,996

 
6,838

 

 
118

 

 
5,242



The fair value of collateral-dependent impaired loans secured by real estate and real estate and other repossessed assets and the related fair value adjustments are generally based on unadjusted third-party appraisals. Our appraisal review policies require appraised values to be supported by observed inputs derived principally from or corroborated by observable market data. Appraisals that are not based on observable inputs or that require significant adjustments or fair value measurements that are not based on third-party appraisals are considered to be based on significant unobservable inputs. Non-recurring fair value measurements of collateral-dependent impaired loans and real estate and other repossessed assets based on significant unobservable inputs are generally due to estimates of current fair values between appraisal dates. Significant unobservable inputs include listing prices for the same or comparable assets, uncorroborated expert opinions or management's knowledge of the collateral or industry. Non-recurring fair value measurements of collateral dependent loans secured by mineral rights are generally determined by our internal staff of engineers on projected cash flows under current market conditions and are based on significant unobservable inputs. Projected cash flows are discounted according to risk characteristics of the underlying oil and gas properties. Assets are evaluated to demonstrate with reasonable certainty that crude oil, natural gas and natural gas liquids can be recovered from known oil and gas reservoirs under existing economic and operating conditions at current prices with existing conventional equipment, operating methods and costs. Significant unobservable inputs are developed by asset management and workout professionals and approved by senior Credit Administration executives.

A summary of quantitative information about Non-recurring Fair Value Measurements based on Significant Unobservable Inputs (Level 3) as of June 30, 2019 follows (in thousands):
 
 
Fair Value
 
Valuation Technique(s)
 
Unobservable Input
 
Range
(Weighted Average)
Impaired loans
 
$
29,187

 
Discounted cash flows
 
Management knowledge of industry and non-real estate collateral including but not limited to recoverable oil and gas reserves, forward-looking commodity prices, estimated operating costs
 
12% - 76% (47%)1
Real estate and other repossessed assets
 
427

 
Appraised value, as adjusted
 
Marketability adjustments off appraised value2
 
75% - 89% (88%)
1 
Represents fair value as a percentage of the unpaid principal balance.
2 
Marketability adjustments include consideration of estimated costs to sell which is approximately 10% of the fair value.

A summary of quantitative information about Non-recurring Fair Value Measurements based on Significant Unobservable Inputs (Level 3) as of December 31, 2018 follows (in thousands):
 
 
Fair Value
 
Valuation Technique(s)
 
Unobservable Input
 
Range
(Weighted Average)
Impaired loans
 
$
17,401

 
Discounted cash flows
 
Management knowledge of industry and non-real estate collateral including but not limited to recoverable oil and gas reserves, forward-looking commodity prices, estimated operating costs
 
35% - 80% (50%)1
Real estate and other repossessed assets
 
6,366

 
Discounted cash flows
 
Recoverable oil and gas reserves, forward-looking commodity prices, estimated operating costs
 
N/A

1  
Represents fair value as a percentage of the unpaid principal balance.

Fair Value of Financial Instruments

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 June 30, 2019 (dollars in thousands):
 
 
Carrying
Value
 
Estimated
Fair
Value
 
Quoted Prices in Active Markets for Identical Instruments (Level 1)
 
Significant Other Observable Inputs
(Level 2)
 
Significant Unobservable Inputs
(Level 3)
Cash and due from banks
 
$
739,109

 
$
739,109

 
$
739,109

 
$

 
$

Interest-bearing cash and cash equivalents
 
596,382

 
596,382

 
596,382

 

 

Trading securities:
 
 
 
 
 
 
 
 
 
 
U.S. government agency debentures
 
83,148

 
83,148

 

 
83,148

 

U.S. government agency residential mortgage-backed securities
 
1,620,613

 
1,620,613

 

 
1,620,613

 

Municipal and other tax-exempt securities
 
49,718

 
49,718

 

 
49,718

 

Asset-backed securities
 
93,546

 
93,546

 

 
93,546

 

Other trading securities
 
53,370

 
53,370

 

 
53,370

 

Total trading securities
 
1,900,395

 
1,900,395

 

 
1,900,395

 

Investment securities:
 
 

 
 

 
 
 
 
 
 
Municipal and other tax-exempt securities
 
124,822

 
128,009

 

 
128,009

 

U.S. government agency residential mortgage-backed securities
 
11,599

 
12,099

 

 
12,099

 

Other debt securities
 
191,256

 
206,907

 

 
8,197

 
198,710

Total investment securities
 
327,677

 
347,015

 

 
148,305

 
198,710

Available for sale securities:
 
 

 
 

 
 
 
 
 
 
U.S. Treasury
 
1,889

 
1,889

 
1,889

 

 

Municipal and other tax-exempt securities
 
2,470

 
2,470

 

 
2,470

 

Residential agency mortgage-backed securities
 
7,354,741

 
7,354,741

 

 
7,354,741

 

Residential non-agency mortgage-backed securities
 
47,057

 
47,057

 

 
47,057

 

Commercial agency mortgage-backed securities
 
3,107,785

 
3,107,785

 

 
3,107,785

 

Other debt securities
 
472

 
472

 

 

 
472

Total available for sale securities
 
10,514,414

 
10,514,414

 
1,889

 
10,512,053

 
472

Fair value option securities – U.S. government agency residential mortgage-backed securities
 
1,138,820

 
1,138,820

 

 
1,138,820

 

Residential mortgage loans held for sale
 
193,570

 
193,570

 

 
177,497

 
16,073

Loans:
 
 

 
 

 
 
 

 
 
Commercial
 
14,336,908

 
14,282,197

 

 

 
14,282,197

Commercial real estate
 
4,710,033

 
4,703,587

 

 

 
4,703,587

Residential mortgage
 
2,170,822

 
2,190,665

 

 

 
2,190,665

Personal
 
1,037,889

 
1,028,526

 

 

 
1,028,526

Total loans
 
22,255,652

 
22,204,975

 

 

 
22,204,975

Allowance for loan losses
 
(202,534
)
 

 

 

 

Loans, net of allowance
 
22,053,118

 
22,204,975

 

 

 
22,204,975

Mortgage servicing rights
 
208,308

 
208,308

 

 

 
208,308

Derivative instruments with positive fair value, net of cash collateral
 
415,221

 
415,221

 
29,352

 
385,869

 

Deposits with no stated maturity
 
23,077,183

 
23,077,183

 

 

 
23,077,183

Time deposits
 
2,227,938

 
2,220,527

 

 

 
2,220,527

Other borrowed funds
 
10,155,756

 
10,115,711

 

 

 
10,115,711

Subordinated debentures
 
275,892

 
274,697

 

 
274,697

 

Derivative instruments with negative fair value, net of cash collateral
 
381,454

 
381,454

 

 
381,454

 


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, 2018 (dollars in thousands):
 
 
Carrying
Value
 
Estimated
Fair
Value
 
Quoted Prices in Active Markets for Identical Instruments (Level 1)
 
Significant Other Observable Inputs
(Level 2)
 
Significant Unobservable Inputs
(Level 3)
Cash and due from banks
 
$
741,749

 
$
741,749

 
$
741,749

 
$

 
$

Interest-bearing cash and cash equivalents
 
401,675

 
401,675

 
401,675

 

 

Trading securities:
 
 
 
 
 
 
 
 
 
 
U.S. government agency debentures
 
63,765

 
63,765

 

 
63,765

 

U.S. government agency residential mortgage-backed securities
 
1,791,584

 
1,791,584

 

 
1,791,584

 

Municipal and other tax-exempt securities
 
34,507

 
34,507

 

 
34,507

 

Asset-backed securities
 
42,656

 
42,656

 

 
42,656

 

Other trading securities
 
24,411

 
24,411

 

 
24,411

 

Total trading securities
 
1,956,923

 
1,956,923

 

 
1,956,923

 

Investment securities:
 
 

 
 

 
 
 
 
 
 
Municipal and other tax-exempt securities
 
137,296

 
138,562

 

 
138,562

 

U.S. government agency residential mortgage-backed securities
 
12,612

 
12,770

 

 
12,770

 

Other debt securities
 
205,279

 
215,966

 

 
7,905

 
208,061

Total investment securities
 
355,187

 
367,298

 

 
159,237

 
208,061

Available for sale securities:
 
 

 
 

 
 
 
 
 
 
U.S. Treasury
 
493

 
493

 
493

 

 

Municipal and other tax-exempt securities
 
2,864

 
2,864

 

 
2,864

 

Residential agency mortgage-backed securities
 
5,804,708

 
5,804,708

 

 
5,804,708

 

Residential non-agency mortgage-backed securities
 
59,736

 
59,736

 

 
59,736

 

Commercial agency mortgage-backed securities
 
2,953,889

 
2,953,889

 

 
2,953,889

 

Other debt securities
 
35,430

 
35,430

 

 
34,958

 
472

Total available for sale securities
 
8,857,120

 
8,857,120

 
493

 
8,856,155

 
472

Fair value option securities – U.S. government agency residential mortgage-backed securities
 
283,235

 
283,235

 

 
283,235

 

Residential mortgage loans held for sale
 
149,221

 
149,221

 

 
134,014

 
15,207

Loans:
 
 

 
 

 
 
 
 
 
 
Commercial
 
13,636,078

 
13,526,162

 

 

 
13,526,162

Commercial real estate
 
4,764,813

 
4,713,747

 

 

 
4,713,747

Residential mortgage
 
2,230,033

 
2,213,951

 

 

 
2,213,951

Personal
 
1,025,806

 
1,024,368

 

 

 
1,024,368

Total loans
 
21,656,730

 
21,478,228

 

 

 
21,478,228

Allowance for loan losses
 
(207,457
)
 

 

 

 

Loans, net of allowance
 
21,449,273

 
21,478,228

 

 

 
21,478,228

Mortgage servicing rights
 
259,254

 
259,254

 

 

 
259,254

Derivative instruments with positive fair value, net of cash collateral
 
320,929

 
320,929

 
44,074

 
276,855

 

Deposits with no stated maturity
 
23,150,383

 
23,150,383

 

 

 
23,150,383

Time deposits
 
2,113,380

 
2,073,538

 

 

 
2,073,538

Other borrowed funds
 
8,161,211

 
7,071,953

 

 

 
7,071,953

Subordinated debentures
 
275,913

 
261,977

 

 
261,977

 

Derivative instruments with negative fair value, net of cash collateral
 
362,306

 
362,306

 

 
362,306

 



Because no market exists for certain of these financial instruments and management does not intend to sell these financial instruments, the fair values shown in the tables above may not represent values at which the respective financial instruments could be sold individually or in the aggregate at the given reporting date.