Fair Value Measurements

9 Months Ended

Sep. 30, 2017

The fair value of an asset or liability is the price that would be received to sell that asset or paid to transfer that liability in an orderly transaction occurring in the principal market (or most advantageous market in the absence of a principal market) for such asset or liability. In estimating fair value, we utilize valuation techniques that are consistent with the market approach, the income approach and/or the cost approach. Such valuation techniques are consistently applied. Inputs to valuation techniques include the assumptions that market participants would use in pricing an asset or liability. ASC Topic 820 establishes a three-level fair value hierarchy for valuation inputs that gives the highest priority to quoted prices in active markets for identical assets or liabilities and the lowest priority to unobservable inputs. See our 2016 Form 10-K for additional information regarding the fair value hierarchy and a description of our valuation techniques.

Financial Assets and Financial Liabilities. The table below summarizes financial assets and financial liabilities measured at fair value on a recurring basis as of September 30, 2017 and December 31, 2016, segregated by the level of the valuation inputs within the fair value hierarchy of ASC Topic 820 utilized to measure fair value.



	Level 1 Inputs		Level 2 Inputs		Level 3 Inputs		Total Fair Value
September 30, 2017
Securities available for sale:
U.S. Treasury	$	3,473,628	$	—	$	—	$	3,473,628
Residential mortgage-backed securities	—		681,195		—		681,195
States and political subdivisions	—		5,987,739		—		5,987,739
Other	—		42,538		—		42,538
Trading account securities:
U.S. Treasury	18,814		—		—		18,814
States and political subdivisions	—		907		—		907
Derivative assets:
Interest rate swaps, caps and floors	—		23,974		—		23,974
Commodity swaps and options	—		3,404		—		3,404
Foreign currency forward contracts	139		—		—		139
Derivative liabilities:
Interest rate swaps, caps and floors	—		18,376		—		18,376
Commodity swaps and options	—		3,004		—		3,004
Foreign currency forward contracts	104		—		—		104
December 31, 2016
Securities available for sale:
U.S. Treasury	$	4,019,731	$	—	$	—	$	4,019,731
Residential mortgage-backed securities	—		785,167		—		785,167
States and political subdivisions	—		5,355,885		—		5,355,885
Other	—		42,494		—		42,494
Trading account securities:
U.S. Treasury	16,594		—		—		16,594
States and political subdivisions	—		109		—		109
Derivative assets:
Interest rate swaps, caps and floors	—		29,059		—		29,059
Commodity swaps and options	—		6,179		—		6,179
Foreign currency forward contracts	29		—		—		29
Derivative liabilities:
Interest rate swaps, caps and floors	—		29,968		—		29,968
Commodity swaps and options	—		5,963		—		5,963
Foreign currency forward contracts	33		—		—		33

Certain financial assets and financial liabilities are measured at fair value on a nonrecurring basis; that is, the instruments are not measured at fair value on an ongoing basis but are subject to fair value adjustments in certain circumstances (for example, when there is evidence of impairment). Financial assets measured at fair value on a non-recurring basis during the reported periods include certain impaired loans reported at the fair value of the underlying collateral if repayment is expected solely from the collateral. The following table presents impaired loans that were remeasured and reported at fair value through a specific valuation allowance allocation of the allowance for loan losses based upon the fair value of the underlying collateral during the reported periods.



	Nine Months Ended September 30, 2017					Nine Months Ended September 30, 2016
	Level 2		Level 3			Level 2		Level 3
Carrying value of impaired loans before allocations	$	—	$	64,287		$	—	$	11,023
Specific valuation allowance (allocations) reversals of prior allocations	—		(13,477		)	—		(3,750		)
Fair value	$	—	$	50,810		$	—	$	7,273

Non-Financial Assets and Non-Financial Liabilities. We do not have any non-financial assets or non-financial liabilities measured at fair value on a recurring basis. Non-financial assets measured at fair value on a non-recurring basis during the reported periods include certain foreclosed assets which, upon initial recognition, were remeasured and reported at fair value through a charge-off to the allowance for loan losses and certain foreclosed assets which, subsequent to their initial recognition, were remeasured at fair value through a write-down included in other non-interest expense. The following table presents foreclosed assets that were remeasured and reported at fair value during the reported periods:



	Nine Months Ended September 30, 2017
	2017			2016
Foreclosed assets remeasured at initial recognition:
Carrying value of foreclosed assets prior to remeasurement	$	—		$	425
Charge-offs recognized in the allowance for loan losses	—			(3		)
Fair value	$	—		$	422
Foreclosed assets remeasured subsequent to initial recognition:
Carrying value of foreclosed assets prior to remeasurement	$	89		$	492
Write-downs included in other non-interest expense	(16		)	(217		)
Fair value	$	73		$	275

Financial Instruments Reported at Amortized Cost. The estimated fair values of financial instruments that are reported at amortized cost in our consolidated balance sheets, segregated by the level of the valuation inputs within the fair value hierarchy utilized to measure fair value, were as follows:



	September 30, 2017				December 31, 2016
	Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value
Financial assets:
Level 2 inputs:
Cash and cash equivalents	$	5,091,903	$	5,091,903	$	4,141,445	$	4,141,445
Securities held to maturity	1,442,222		1,476,653		2,250,460		2,262,747
Cash surrender value of life insurance policies	179,789		179,789		177,884		177,884
Accrued interest receivable	118,035		118,035		156,714		156,714
Level 3 inputs:
Loans, net	12,552,001		12,574,862		11,822,347		11,903,956
Financial liabilities:
Level 2 inputs:
Deposits	26,403,269		26,398,885		25,811,575		25,812,039
Federal funds purchased and repurchase agreements	997,919		997,919		976,992		976,992
Junior subordinated deferrable interest debentures	136,170		137,115		136,127		137,115
Subordinated notes payable and other borrowings	98,512		102,072		99,990		100,000
Accrued interest payable	1,737		1,737		1,204		1,204

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

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