Fair Value of Assets and Liabilities

3 Months Ended

Mar. 31, 2022

Note 13. Fair Value of Assets and Liabilities

Fair Value Hierarchy

Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in the principal or most advantageous market for an asset or liability in an orderly transaction between market participants at the measurement date. GAAP established a fair value hierarchy that prioritizes the use of inputs used in valuation methodologies into the following three levels:


Level 1:	Inputs to the valuation methodology are quoted prices, unadjusted, for identical assets or liabilities in active markets. A quoted price in an active market provides the most reliable evidence of fair value and is used to measure fair value whenever available. A contractually binding sales price also provides reliable evidence of fair value.

Level 2:	Inputs to the valuation methodology include quoted prices for similar assets or liabilities in active markets; inputs to the valuation methodology include quoted prices for identical or similar assets or liabilities in markets that are not active; or inputs to the valuation methodology that utilize model-based techniques for which all significant assumptions are observable in the market.

Level 3:	Inputs to the valuation methodology are unobservable and significant to the fair value measurement; inputs to the valuation methodology that utilize model-based techniques for which significant assumptions are not observable in the market; or inputs to the valuation methodology that require significant management judgment or estimation, some of which may be internally developed.

In some instances, an instrument may fall into multiple levels of the fair value hierarchy. In such instances, the instrument’s level within the fair value hierarchy is based on the lowest of the three levels (with Level 3 being the lowest) that is significant to the fair value measurement. Our assessment of the significance of an input requires judgment and considers factors specific to the instrument.

Assets and Liabilities Measured at Fair Value on a Recurring Basis

Investment Securities Available-for-Sale

Level 1 investment securities are comprised of debt securities issued by the U.S. Treasury, as quoted prices were available, unadjusted, for identical securities in active markets. Level 2 investment securities were primarily comprised of debt securities issued by the Small Business Administration, states and municipalities, corporations, as well as mortgage-backed securities issued by government agencies and government sponsored enterprises. Fair values were estimated primarily by obtaining quoted prices for similar assets in active markets or through the use of pricing models. In cases where there may be limited or less transparent information provided by the Company’s third-party pricing service, fair value may be estimated by the use of secondary pricing services or through the use of non-binding third-party broker quotes.

Loans Held for Sale

The fair value of the Company’s residential mortgage loans held for sale was determined based on quoted prices for similar loans in active markets, and therefore, is classified as a Level 2 measurement.

Mortgage Servicing Rights

The Company estimates the fair value of mortgage servicing rights by using a discounted cash flow model to calculate the present value of estimated future net servicing income. The Company stratifies its mortgage servicing portfolio on the basis of loan type. The assumptions used in the discounted cash flow model are those that the Company believes market participants would use in estimating future net servicing income. Significant assumptions in the valuation of mortgage servicing rights include estimated loan repayment rates, the discount rate, servicing costs, and the timing of cash flows, among other factors. Mortgage servicing rights are classified as Level 3 measurements due to the use of significant unobservable inputs, as well as significant management judgment and estimation.

Other Assets

Other assets recorded at fair value on a recurring basis are primarily comprised of investments related to deferred compensation arrangements. Quoted prices for these investments, primarily in mutual funds, are available in active markets. Thus, the Company’s investments related to deferred compensation arrangements are classified as Level 1 measurements in the fair value hierarchy.

Derivative Financial Instruments

Derivative financial instruments recorded at fair value on a recurring basis are comprised of interest rate lock commitments (“IRLCs”), forward commitments, interest rate swap agreements, foreign exchange contracts, and Visa Class B to Class A shares conversion rate swap agreements. The fair values of IRLCs are calculated based on the value of the underlying loan held for sale, which in turn is based on quoted prices for similar loans in the secondary market. However, this value is adjusted by a factor which considers the likelihood that the loan in a locked position will ultimately close. This factor, the closing ratio, is derived from the Bank’s internal data and is adjusted using significant management judgment. As such, IRLCs are classified as Level 3 measurements. Forward commitments are classified as Level 2 measurements as they are primarily based on quoted prices from the secondary market based on the settlement date of the contracts, interpolated or extrapolated, if necessary, to estimate a fair value as of the end of the reporting period.

The fair values of interest rate swap agreements are calculated using a discounted cash flow approach and utilize Level 2 observable inputs such as a market yield curve, effective date, maturity date, notional amount, and stated interest rate. The valuation methodology for cleared interest rate swaps with financial institution counterparties (and the related customer interest rate swaps) is based on the Secured Overnight Financing Rate, while the valuation methodology for uncleared interest rate swaps is based on the Effective Federal Funds Rate. In addition, the Company includes in its fair value calculation a credit factor adjustment which is based primarily on management judgment. Thus, interest rate swap agreements are classified as a Level 3 measurement. The fair values of foreign exchange contracts are calculated using the Bank’s multi-currency accounting system which utilizes contract specific information such as currency, maturity date, contractual amount, and strike price, along with market data information such as the spot rates of specific currency and yield curves. Foreign exchange contracts are classified as Level 2 measurements because while they are valued using the Bank’s multi-currency accounting system, significant management judgment or estimation is not required. The fair value of the Visa Class B restricted shares to Class A unrestricted common shares conversion rate swap agreements represent the amount owed by the Company to the buyer of the Visa Class B shares as a result of a reduction of the conversion ratio subsequent to the sales date. As of March 31, 2022, and December 31, 2021, the conversion rate swap agreements were valued at zero as reductions to the conversion ratio were neither probable nor reasonably estimable by management. See Note 11 Derivative Financial Instruments for more information.

The Company is exposed to credit risk if borrowers or counterparties fail to perform. The Company seeks to minimize credit risk through credit approvals, limits, monitoring procedures, and collateral requirements. The Company generally enters into transactions with borrowers and counterparties that carry high quality credit ratings. Credit risk associated with borrowers or counterparties as well as the Company’s non-performance risk is factored into the determination of the fair value of derivative financial instruments.

The table below presents the balances of assets and liabilities measured at fair value on a recurring basis as of March 31, 2022, and December 31, 2021:

	Quoted Prices in Active Markets for Identical Assets or Liabilities		Significant Other Observable Inputs		Significant Unobservable Inputs
(dollars in thousands)	(Level 1)		(Level 2)		(Level 3)		Total
March 31, 2022
Assets:
Investment Securities Available-for-Sale
Debt Securities Issued by the U.S. Treasury and Government Agencies	$	148,560	$	126,603	$	—	$	275,163
Debt Securities Issued by States and Political Subdivisions		—		69,668		—		69,668
Debt Securities Issued by U.S. Government-Sponsored Enterprises		—		1,701		—		1,701
Debt Securities Issued by Corporations		—		409,606		—		409,606
Mortgage-Backed Securities:
Residential - Government Agencies		—		1,291,150		—		1,291,150
Residential - U.S. Government-Sponsored Enterprises		—		2,030,281		—		2,030,281
Commercial - Government Agencies		—		180,965		—		180,965
Total Mortgage-Backed Securities		—		3,502,396		—		3,502,396
Total Investment Securities Available-for-Sale		148,560		4,109,974		—		4,258,534
Loans Held for Sale		—		5,293		—		5,293
Mortgage Servicing Rights		—		—		781		781
Other Assets		54,490		—		—		54,490
Derivatives ¹		—		551		12,380		12,931
Total Assets Measured at Fair Value on a Recurring Basis as of March 31, 2022	$	203,050	$	4,115,818	$	13,161	$	4,332,029
Liabilities:
Derivatives ¹	$	—	$	2,356	$	62,809	$	65,165
Total Liabilities Measured at Fair Value on a Recurring Basis as of March 31, 2022	$	—	$	2,356	$	62,809	$	65,165
December 31, 2021
Assets:
Investment Securities Available-for-Sale
Debt Securities Issued by the U.S. Treasury and Government Agencies	$	114,845	$	135,242	$	—	$	250,087
Debt Securities Issued by States and Political Subdivisions		—		75,818		—		75,818
Debt Securities Issued by U.S. Government-Sponsored Enterprises		—		1,780		—		1,780
Debt Securities Issued by Corporations		—		383,113		—		383,113
Mortgage-Backed Securities:
Residential - Government Agencies		—		1,319,042		—		1,319,042
Residential - U.S. Government-Sponsored Enterprises		—		2,090,326		—		2,090,326
Commercial - Government Agencies		—		155,890		—		155,890
Total Mortgage-Backed Securities		—		3,565,258		—		3,565,258
Total Investment Securities Available-for-Sale		114,845		4,161,211		—		4,276,056
Loans Held for Sale		—		26,746		—		26,746
Mortgage Servicing Rights		—		—		800		800
Other Assets		56,411		—		—		56,411
Derivatives ¹		—		194		41,817		42,011
Total Assets Measured at Fair Value on a Recurring Basis as of December 31, 2021	$	171,256	$	4,188,151	$	42,617	$	4,402,024
Liabilities:
Derivatives ¹	$	—	$	903	$	17,913	$	18,816
Total Liabilities Measured at Fair Value on a Recurring Basis as of December 31, 2021	$	—	$	903	$	17,913	$	18,816

¹	The fair value of each class of derivatives is shown in Note 11 Derivative Financial Instruments.

For the three months ended March 31, 2022, and March 31, 2021, the changes in Level 3 assets and liabilities measured at fair value on a recurring basis were as follows:

(dollars in thousands)	Mortgage Servicing Rights ¹			Net Derivative Assets and Liabilities ²
Three Months Ended March 31, 2022
Balance as of January 1, 2022	$	800		$	23,904
Realized and Unrealized Net Gains (Losses):
Included in Net Income		(19	)		(1,085	)
Transfers to Loans Held for Sale		—			113
Variation Margin Payments		—			(73,361	)
Balance as of March 31, 2022	$	781		$	(50,429	)
Total Unrealized Net Gains (Losses) Included in Net Income Related to Assets Still Held as of March 31, 2022	$	—		$	(50,429	)

Three Months Ended March 31, 2021
Balance as of January 1, 2021	$	958		$	77,880
Realized and Unrealized Net Gains (Losses):
Included in Net Income		(39	)		874
Transfers to Loans Held for Sale		—			(3,016	)
Variation Margin Payments		—			(60,256	)
Balance as of March 31, 2021	$	919		$	15,482
Total Unrealized Net Gains (Losses) Included in Net Income Related to Assets Still Held as of March 31, 2021	$	—		$	15,482

¹	Realized and unrealized gains and losses related to mortgage servicing rights are reported as a component of mortgage banking income in the Company’s consolidated statements of income.

Realized and unrealized gains and losses related to interest rate lock commitments are reported as a component of mortgage banking income in the Company’s consolidated statements of income. Realized and unrealized gains and losses related to interest rate swap agreements are reported as a component of other noninterest income in the Company’s consolidated statements of income.

For Level 3 assets and liabilities measured at fair value on a recurring or nonrecurring basis as of March 31, 2022, and December 31, 2021, the significant unobservable inputs used in the fair value measurements were as follows:


(dollars in thousands)	Valuation Technique	Description	Range						Weighted Average¹			Fair Value
March 31, 2022
Mortgage Servicing Rights	Discounted Cash Flow	Constant Prepayment Rate		5.32	%	-	10.53	%		6.64	%	$	26,869
		Discount Rate		7.34	%	-	9.78	%		9.66	%	$	—
Net Derivative Assets and Liabilities:
Interest Rate Lock Commitments	Pricing Model	Closing Ratio		84.10	%	-	99.00	%		92.01	%	$	117
Interest Rate Swap Agreements	Discounted Cash Flow	Credit Factor		0.00	%	-	0.49	%		0.05	%	$	(50,547	)

December 31, 2021
Mortgage Servicing Rights	Discounted Cash Flow	Constant Prepayment Rate		6.51	%	-	11.48	%		10.70	%	$	22,251
		Discount Rate		6.49	%	-	7.08	%		7.04	%	$	—
Net Derivative Assets and Liabilities:
Interest Rate Lock Commitments	Pricing Model	Closing Ratio		75.40	%	-	100.00	%		90.47	%	$	1,084
Interest Rate Swap Agreements	Discounted Cash Flow	Credit Factor		0.00	%	-	0.49	%		0.14	%	$	22,820

¹	Unobservable inputs for mortgage servicing rights and interest rate lock commitments were weighted by loan amount. Unobservable inputs for interest rate swap agreements were weighted by fair value.

Significant increases (decreases) in any of those inputs in isolation could result in a significantly lower (higher) fair value measurement. Although the constant prepayment rate and the discount rate are not directly interrelated, they generally move in opposite directions of each other.

Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis

The Company may be required periodically to measure certain assets and liabilities at fair value on a nonrecurring basis in accordance with GAAP. These adjustments to fair value usually result from the application of lower-of-cost-or-fair value accounting or impairment write-downs of individual assets. The following table represents the assets measured at fair value on a nonrecurring basis as of March 31, 2022, and December 31, 2021.

(dollars in thousands)	Fair Value Hierarchy	Net Carrying Amount		Valuation Allowance
March 31, 2022
Mortgage Servicing Rights - amortization method	Level 3	$	23,187	$	—

December 31, 2021
Mortgage Servicing Rights - amortization method	Level 3	$	21,451	$	(1,829	)

The change in valuation allowance of mortgage servicing rights accounted for under the amortization method was primarily due to changes in certain key assumptions used to estimate fair value. As previously mentioned, all of the Company's mortgage servicing rights are classified as Level 3 measurements due to the use of significant unobservable inputs, as well as significant management judgment and estimation.

Fair Value Option

The following table reflects the difference between the aggregate fair value and the aggregate unpaid principal balance of the Company’s residential mortgage loans held for sale as of March 31, 2022, and December 31, 2021.

(dollars in thousands)	Aggregate Fair Value		Aggregate Unpaid Principal		Aggregate Fair Value Less Aggregate Unpaid Principal
March 31, 2022
Loans Held for Sale	$	5,293	$	5,384	$	(91	)

December 31, 2021
Loans Held for Sale	$	26,746	$	26,309	$	437

Changes in the estimated fair value of residential mortgage loans held for sale are reported as a component of mortgage banking income in the Company’s consolidated statements of income. For the three months ended March 31, 2022, and year ended December 31, 2021, the net gains or losses from the change in fair value of the Company’s residential mortgage loans held for sale were not material.

Financial Instruments Not Recorded at Fair Value on a Recurring Basis

The following presents the carrying amount, fair value, and placement in the fair value hierarchy of the Company’s financial instruments not recorded at fair value on a recurring basis as of March 31, 2022, and December 31, 2021. This table excludes financial instruments for which the carrying amount approximates fair value. For short-term financial assets such as cash and cash equivalents, the carrying amount is a reasonable estimate of fair value due to the relatively short time between the origination of the instrument and its expected realization. For non-marketable equity securities such as Federal Home Loan Bank of Des Moines and Federal Reserve Bank stock, the carrying amount is a reasonable estimate of fair value as these securities can only be redeemed or sold at their par value and only to the respective issuing government supported institution or to another member institution. For financial liabilities such as noninterest-bearing demand, interest-bearing demand, and savings deposits, the carrying amount is a reasonable estimate of fair value due to these products having no stated maturity.

					Fair Value Measurements
	Carrying				Quoted Prices in Active Markets for Identical Assets or Liabilities		Significant Other Observable Inputs		Significant Unobservable Inputs
(dollars in thousands)	Amount		Fair Value		(Level 1)		(Level 2)		(Level 3)
March 31, 2022
Financial Instruments - Assets
Investment Securities Held-to-Maturity	$	4,489,615	$	4,171,262	$	122,942	$	4,048,320	$	—
Loans ¹		12,224,018		11,931,447		—		—		11,931,447
Financial Instruments - Liabilities
Time Deposits		922,519		910,982		—		910,982		—
Securities Sold Under Agreements to Repurchase		450,490		450,907		—		450,907		—
December 31, 2021
Financial Instruments - Assets
Investment Securities Held-to-Maturity	$	4,694,780	$	4,646,619	$	131,139	$	4,515,480	$	—
Loans ¹		11,921,869		12,094,631		—		—		12,094,631
Financial Instruments - Liabilities
Time Deposits		1,000,089		998,134		—		998,134		—
Securities Sold Under Agreements to Repurchase		450,490		469,293		—		469,293		—

¹	Carrying amount is net of unearned income and the Allowance.

- 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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