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Fair Values of Assets and Liabilities
9 Months Ended
Sep. 30, 2021
Fair Value Disclosures [Abstract]  
Fair Values of Assets and Liabilities Fair Values of Assets and Liabilities
The Company measures, monitors and discloses certain of its assets and liabilities on a fair value basis. These financial assets and financial liabilities are measured at fair value in three levels, based on the markets in which the assets and liabilities are traded and the observability of the inputs used to determine fair value. These levels are:

Level 1—unadjusted quoted prices in active markets for identical assets or liabilities.

Level 2inputs other than quoted prices included in Level 1 that are observable for the asset or liability, either directly or indirectly. These include quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active, inputs other than quoted prices that are observable for the asset or liability or inputs that are derived principally from or corroborated by observable market data by correlation or other means.

Level 3—significant unobservable inputs that reflect the Company’s own assumptions that market participants would use in pricing the assets or liabilities. Level 3 assets and liabilities include financial instruments whose value is determined using pricing models, discounted cash flow methodologies, or similar techniques, as well as instruments for which the determination of fair value requires significant management judgment or estimation.

A financial instrument’s categorization within the above valuation hierarchy is based upon the lowest level of input that is significant to the fair value measurement. The Company’s assessment of the significance of a particular input to the fair value measurement in its entirety requires judgment, and considers factors specific to the assets or liabilities. The following is a description of the valuation methodologies used for the Company’s assets and liabilities measured at fair value on a recurring basis.

Available-for-sale debt securities, trading account securities and equity securities with readily determinable fair value—Fair values for available-for-sale debt securities, trading account securities and equity securities with readily determinable fair value are typically based on prices obtained from independent pricing vendors. Securities measured with these valuation techniques are generally classified as Level 2 of the fair value hierarchy. Typically, standard inputs such as benchmark yields, reported trades for similar securities, issuer spreads, benchmark securities, bids, offers and reference data including market research publications are used to fair value these securities. When these inputs are not available, broker/dealer quotes may be obtained by the vendor to determine the fair value of the security. We review the vendor’s pricing methodologies to determine if observable market information is being used, versus unobservable inputs. Fair value measurements using significant inputs that are unobservable in the market due to limited activity or a less liquid market are classified as Level 3 in the fair value hierarchy.
The fair value of U.S. Treasury securities and certain equity securities with readily determinable fair value are based on unadjusted quoted prices in active markets for identical securities. As such, these securities are classified as Level 1 in the fair value hierarchy.

The Company’s Investment Operations Department is responsible for the valuation of Level 3 available-for-sale debt securities. The methodology and variables used as inputs in pricing Level 3 securities are derived from a combination of observable and unobservable inputs. The unobservable inputs are determined through internal assumptions that may vary from period to period due to external factors, such as market movement and credit rating adjustments.

At September 30, 2021, the Company classified $117.7 million of municipal securities as Level 3. These municipal securities are bond issues for various municipal government entities primarily located in the Chicago metropolitan area and southern Wisconsin and are privately placed, non-rated bonds without CUSIP numbers. The Company’s methodology for pricing these securities focuses on three distinct inputs: equivalent rating, yield and other pricing terms. To determine the rating for a given non-rated investment debt security, the Investment Operations Department references a rated, publicly issued bond by the same issuer if available. A reduction is then applied to the rating obtained from the comparable bond, as the Company believes if liquidated, a non-rated bond would be valued less than a similar bond with a verifiable rating. The reduction applied by the Company is one complete rating grade (i.e. a “AA” rating for a comparable bond would be reduced to “A” for the Company’s valuation). For bond issues without comparable bond proxies, a rating of "BBB" was assigned. In the third quarter of 2021, all of the ratings derived by the Investment Operations Department using the above process were “BBB” or better. The fair value measurement noted above is sensitive to the rating input, as a higher rating typically results in an increased valuation. The remaining pricing inputs used in the bond valuation are observable. Based on the rating determined in the above process, Investment Operations obtains a corresponding current market yield curve available to market participants. Other terms including coupon, maturity date, redemption price, number of coupon payments per year, and accrual method are obtained from the individual bond term sheets. Certain municipal bonds held by the Company at September 30, 2021 are continuously callable. When valuing these bonds, the fair value is capped at par value as the Company assumes a market participant would not pay more than par for a continuously callable bond.

Mortgage loans held-for-sale—The fair value of mortgage loans held-for-sale is determined by reference to investor price sheets for loan products with similar characteristics. As such, these loans are classified as Level 2 in the fair value hierarchy.

Loans held-for-investment—The fair value for loans in which the Company elected the fair value option is estimated by discounting future scheduled cash flows for the specific loan through maturity, adjusted for estimated credit losses and prepayments. The Company uses a discount rate based on the actual coupon rate of the underlying loan. At September 30, 2021, the Company classified $12.1 million of loans held-for-investment as Level 3. The assumed discount rate used as an input to value these loans at September 30, 2021 was 2.88%. The higher the rate utilized to discount estimated future cash flows, the lower the fair value measurement. As noted above, the fair value estimate also includes assumptions of prepayment speeds and credit losses. The Company included a prepayments speed assumption of 12.77% at September 30, 2021. Prepayment speeds are inversely related to the fair value of these loans as an increase in prepayment speeds results in a decreased valuation. Additionally, the weighted average credit discount used as an input to value the specific loans was 0.51% with credit loss discount ranging from 0%-3% at September 30, 2021.

MSRs—Fair value for MSRs is determined utilizing a valuation model which calculates the fair value of each servicing rights based on the present value of estimated future cash flows. The Company uses a discount rate commensurate with the risk associated with each servicing rights, given current market conditions. At September 30, 2021, the Company classified $133.6 million of MSRs as Level 3. The weighted average discount rate used as an input to value the pool of MSRs at September 30, 2021 was 9.82% with discount rates applied ranging from 7%-19%. The higher the rate utilized to discount estimated future cash flows, the lower the fair value measurement. The fair value of MSRs was also estimated based on other assumptions including prepayment speeds and the cost to service. Prepayment speeds ranged from 6%-92% or a weighted average prepayment speed of 12.77%. Further, for current and delinquent loans, the Company assumed a weighted average cost of servicing of $75 and $287, respectively, per loan. Prepayment speeds and the cost to service are both inversely related to the fair value of MSRs as an increase in prepayment speeds or the cost to service results in a decreased valuation. See Note 8 - Mortgage Servicing Rights (“MSRs”) for further discussion of MSRs.

Derivative instruments—The Company’s derivative instruments include interest rate swaps, caps and collars, commitments to fund mortgages for sale into the secondary market (interest rate locks), forward commitments to end investors for the sale of mortgage loans and foreign currency contracts. Interest rate swaps, caps and collars are valued by a third party, using models that primarily use market observable inputs, such as yield curves, and are classified as Level 2 in the fair value hierarchy. The credit risk associated with derivative financial instruments that are subject to master netting agreements is measured on a net basis by counterparty portfolio. The fair value for mortgage-related derivatives is based on changes in mortgage rates from the
date of the commitments. The fair value of foreign currency derivatives is computed based on change in foreign currency rates stated in the contract compared to those prevailing at the measurement date.

At September 30, 2021, the Company classified $14.6 million of derivative assets related to interest rate locks as Level 3. The fair value of interest rate locks is based on prices obtained for loans with similar characteristics from third parties, adjusted for the pull-through rate, which represents the Company’s best estimate of the likelihood that a committed loan will ultimately fund. The weighted-average pull-through rate at September 30, 2021 was 86% with pull-through rates applied ranging from 1% to 100%. Pull-through rates are directly related to the fair value of interest rate locks as an increase in the pull-through rate results in an increased valuation.

Nonqualified deferred compensation assets—The underlying assets relating to the nonqualified deferred compensation plan are included in a trust and primarily consist of non-exchange traded institutional funds which are priced based by an independent third party service. These assets are classified as Level 2 in the fair value hierarchy.

The following tables present the balances of assets and liabilities measured at fair value on a recurring basis for the periods presented:
September 30, 2021
(In thousands)TotalLevel 1Level 2Level 3
Available-for-sale securities
U.S. Treasury$6,000 $6,000 $ $ 
U.S. Government agencies53,275  53,275  
Municipal174,600  56,876 117,724 
Corporate notes 99,118  99,118  
Mortgage-backed2,040,485  2,040,485  
Trading account securities1,103  1,103  
Equity securities with readily determinable fair value88,193 80,127 8,066  
Mortgage loans held-for-sale925,312  925,312  
Loans held-for-investment30,979  18,847 12,132 
MSRs133,552   133,552 
Nonqualified deferred compensation assets15,797  15,797  
Derivative assets191,612  177,000 14,612 
Total$3,760,026 $86,127 $3,395,879 $278,020 
Derivative liabilities$161,314 $ $161,314 $ 
 
 December 31, 2020
(In thousands)TotalLevel 1Level 2Level 3
Available-for-sale securities
U.S. Treasury$304,971 $304,971 $— $— 
U.S. Government agencies84,513 — 82,547 1,966 
Municipal146,910 — 37,034 109,876 
Corporate notes 91,405 — 91,405 — 
Mortgage-backed2,428,040 — 2,428,040 — 
Trading account securities671 — 671 — 
Equity securities with readily determinable fair value90,862 82,796 8,066 — 
Mortgage loans held-for-sale1,272,090 — 1,272,090 — 
Loans held-for-investment55,134 — 44,854 10,280 
MSRs92,081 — — 92,081 
Nonqualified deferred compensation assets15,398 — 15,398 — 
Derivative assets278,423 — 230,332 48,091 
Total$4,860,498 $387,767 $4,210,437 $262,294 
Derivative liabilities$288,465 $— $288,465 $— 
September 30, 2020
(In thousands)TotalLevel 1Level 2Level 3
Available-for-sale securities
U.S. Treasury$280,108 $280,108 $— $— 
U.S. Government agencies178,666 — 176,537 2,129 
Municipal154,195 — 34,724 119,471 
Corporate notes 104,135 — 104,135 — 
Mortgage-backed2,229,355 — 2,229,355 — 
Trading account securities1,720 — 1,720 — 
Equity securities with readily determinable fair value54,398 46,332 8,066 — 
Mortgage loans held-for-sale959,671 — 959,671 — 
Loans held-for-investment253,515 — 240,902 12,613 
MSRs86,907 — — 86,907 
Nonqualified deferred compensation assets14,197 — 14,197 — 
Derivative assets321,488 — 254,601 66,887 
Total$4,638,355 $326,440 $4,023,908 $288,007 
Derivative liabilities$326,990 $— $326,990 $— 

The aggregate remaining contractual principal balance outstanding as of September 30, 2021, December 31, 2020 and September 30, 2020 for mortgage loans held-for-sale measured at fair value under ASC 825 was $900.8 million, $1.2 billion and $927.1 million, respectively, while the aggregate fair value of mortgage loans held-for-sale was $925.3 million, $1.3 billion and $959.7 million, for the same respective periods, as shown in the above tables. There were $122.6 million of loans past due greater than 90 days and still accruing in the mortgage loans held-for-sale portfolio as of September 30, 2021 compared to $134.1 million as of December 31, 2020 and $27.3 million as of September 30, 2020. All of the loans past due greater than 90 days and still accruing as of September 30, 2021 were individual delinquent mortgage loans bought back from GNMA at the unconditional option of the Company as servicer for those loans.

The changes in Level 3 assets measured at fair value on a recurring basis during the three and nine months ended September 30, 2021 and 2020 are summarized as follows:
U.S. Government agenciesLoans held-for- investmentMortgage
servicing rights
Derivative assets
(In thousands)Municipal
Balance at July 1, 2021$117,606 $ $11,007 $127,604 $22,570 
Total net gains (losses) included in:
Net income (1)
  54 5,948 (7,958)
Other comprehensive income (loss)(757)    
Purchases875     
Issuances     
Sales     
Settlements  (588)  
Net transfers into/(out of) Level 3
  1,659   
Balance at September 30, 2021$117,724 $ $12,132 $133,552 $14,612 
(1)Changes in the balance of MSRs and derivative assets related to fair value adjustments are recorded as components of mortgage banking revenue. Changes in the balance of loans held-for-investment related to fair value adjustments are recorded as other non-interest income.
U.S. Government AgenciesLoans held-for- investmentMortgage
servicing rights
Derivative Assets
(In thousands)Municipal
Balance at January 1, 2021$109,876 $1,966 $10,280 $92,081 $48,091 
Total net gains (losses) included in:
Net income (1)
 (4)(309)41,471 (33,479)
Other comprehensive income (loss)(3,199)(24)   
Purchases19,038     
Issuances     
Sales     
Settlements(7,991)(1,938)(4,565)  
Net transfers into/(out of) Level 3
  6,726   
Balance at September 30, 2021$117,724 $ $12,132 $133,552 $14,612 
U.S. Government agenciesLoans held-for- investmentMortgage
servicing rights
Derivative assets
(In thousands)Municipal
Balance at July 1, 2020$117,255 $2,293 $13,953 $77,203 $58,433 
Total net gains (losses) included in:
Net income (1)
— — 47 9,704 8,454 
Other comprehensive income (loss)64 (7)— — — 
Purchases3,221 — — — — 
Issuances— — — — — 
Sales— — — — — 
Settlements(1,069)(157)(7,877)— — 
Net transfers into/(out of) Level 3— — 6,490 — — 
Balance at September 30, 2020$119,471 $2,129 $12,613 $86,907 $66,887 
U.S. Government AgenciesLoans held-for- investmentMortgage
servicing rights
Derivative Assets
(In thousands)Municipal
Balance at January 1, 2020$111,950 $2,646 $9,620 $85,638 $2,631 
Total net gains (losses) included in:
Net income (1)
— — 169 1,269 64,256 
Other comprehensive income (loss)(1,731)(46)— — — 
Purchases16,093 — — — — 
Issuances— — — — — 
Sales— — — — — 
Settlements(6,841)(471)(9,337)— — 
Net transfers into/(out of) Level 3— — 12,161 — — 
Balance at September 30, 2020$119,471 $2,129 $12,613 $86,907 $66,887 
(1)Changes in the balance of MSRs and derivative assets related to fair value adjustments are recorded as components of mortgage banking revenue. Changes in the balance of loans held-for-investment related to fair value adjustments are recorded as other non-interest income.
Also, the Company may be required, from time to time, to measure certain other assets at fair value on a nonrecurring basis in accordance with GAAP. These adjustments to fair value usually result from impairment charges on individual assets. For assets measured at fair value on a nonrecurring basis that were still held in the balance sheet at the end of the period, the following table provides the carrying value of the related individual assets or portfolios at September 30, 2021:
September 30, 2021Three Months Ended September 30, 2021
Fair Value Losses Recognized, net
Nine Months Ended September 30, 2021
Fair Value Losses Recognized, net
(In thousands)TotalLevel 1Level 2Level 3
Individually assessed loans - foreclosure probable and collateral-dependent$78,653 $— $— $78,653 $1,425 $17,956 
Other real estate owned (1)
13,845 — — 13,845 93 1,012 
Total$92,498 $— $— $92,498 $1,518 $18,968 
(1)Fair value losses recognized, net on other real estate owned include valuation adjustments and charge-offs during the respective period.

Individually assessed loans—In accordance with ASC 326, the allowance for credit losses for loans and other financial assets held at amortized cost should be measured on a collective or pooled basis when such assets exhibit similar risk characteristics. In instances in which a financial asset does not exhibit similar risk characteristics to a pool, the Company is required to measure such allowance for credit losses on an individual asset basis. For the Company's loan portfolio, nonaccrual loans and TDRs are considered to not exhibit similar risk characteristics as pools and thus are individually assessed. Credit losses are measured by estimating the fair value of the loan based on the present value of expected cash flows, the market price of the loan, or the fair value of the underlying collateral. Individually assessed loans are considered a fair value measurement where an allowance for credit loss is established based on the fair value of collateral. Appraised values on relevant real estate properties, which may require adjustments to market-based valuation inputs, are generally used on foreclosure probable and collateral-dependent loans within the real estate portfolios.

The Company’s Managed Assets Division is primarily responsible for the valuation of Level 3 inputs of individually assessed loans. For more information on individually assessed loans refer to Note 6 – Allowance for Credit Losses. At September 30, 2021, the Company had $109.0 million of individually assessed loans classified as Level 3. Of the $109.0 million of individually assessed loans, $78.7 million were measured at fair value based on the underlying collateral of the loan as shown in the table above. The remaining $30.3 million were valued based on discounted cash flows in accordance with ASC 310.

Other real estate owned —Other real estate owned is comprised of real estate acquired in partial or full satisfaction of loans and is included in other assets. Other real estate owned is recorded at its estimated fair value less estimated selling costs at the date of transfer, with any excess of the related loan balance over the fair value less expected selling costs charged to the allowance for loan losses. Subsequent changes in value are reported as adjustments to the carrying amount and are recorded in other non-interest expense. Gains and losses upon sale, if any, are also charged to other non-interest expense. Fair value is generally based on third party appraisals and internal estimates that are adjusted by a discount representing the estimated cost of sale and is therefore considered a Level 3 valuation.

The Company’s Managed Assets Division is primarily responsible for the valuation of Level 3 inputs for other real estate owned. At September 30, 2021, the Company had $13.8 million of other real estate owned classified as Level 3. The unobservable input applied to other real estate owned relates to the 10% reduction to the appraisal value representing the estimated cost of sale of the foreclosed property. A higher discount for the estimated cost of sale results in a decreased carrying value.

The valuation techniques and significant unobservable inputs used to measure both recurring and non-recurring Level 3 fair value measurements at September 30, 2021 were as follows:
(Dollars in thousands)Fair ValueValuation MethodologySignificant Unobservable InputRange
of Inputs
Weighted
Average
of Inputs
Impact to valuation
from an increased or
higher input value
Measured at fair value on a recurring basis:
Municipal Securities$117,724 Bond pricingEquivalent ratingBBB-AA+N/AIncrease
Loans held-for-investment12,132 Discounted cash flowsDiscount rate2.88%2.88%Decrease
Credit discount
0%-3%
0.51%Decrease
Constant prepayment rate (CPR)12.77%12.77%Decrease
MSRs133,552 Discounted cash flowsDiscount rate
7%-19%
9.82%Decrease
Constant prepayment rate (CPR)
6%-92%
12.77%Decrease
Cost of servicing
$70-$200
$75Decrease
Cost of servicing - delinquent
$200-$1,000
$287Decrease
Derivatives14,612 Discounted cash flowsPull-through rate
1%-100%
86.28%Increase
Measured at fair value on a non-recurring basis:
Individually assessed loans - foreclosure probable and collateral-dependent$78,653 Appraisal valueAppraisal adjustment - cost of sale10%10.00%Decrease
Other real estate owned13,845 Appraisal valueAppraisal adjustment - cost of sale10%10.00%Decrease
The Company is required under applicable accounting guidance to report the fair value of all financial instruments on the Consolidated Statements of Condition, including those financial instruments carried at cost. The table below presents the carrying amounts and estimated fair values of the Company’s financial instruments as of the dates shown:

At September 30, 2021At December 31, 2020At September 30, 2020
CarryingFairCarryingFairCarryingFair
(In thousands)ValueValueValueValueValueValue
Financial Assets:
Cash and cash equivalents$462,299 $462,299 $322,474 $322,474 $308,695 $308,695 
Interest-bearing deposits with banks5,232,315 5,232,315 4,802,527 4,802,527 3,825,823 3,825,823 
Available-for-sale securities2,373,478 2,373,478 3,055,839 3,055,839 2,946,459 2,946,459 
Held-to-maturity securities2,736,722 2,699,480 579,138 593,767 560,267 575,947 
Trading account securities1,103 1,103 671 671 1,720 1,720 
Equity securities with readily determinable fair value88,193 88,193 90,862 90,862 54,398 54,398 
FHLB and FRB stock, at cost135,408 135,408 135,588 135,588 135,568 135,568 
Brokerage customer receivables26,378 26,378 17,436 17,436 16,818 16,818 
Mortgage loans held-for-sale, at fair value925,312 925,312 1,272,090 1,272,090 959,671 959,671 
Loans held-for-investment, at fair value30,979 30,979 55,134 55,134 253,515 253,515 
Loans held-for-investment, at amortized cost33,233,064 33,276,688 32,023,939 31,871,683 31,882,040 31,723,559 
Nonqualified deferred compensation assets15,797 15,797 15,398 15,398 14,197 14,197 
Derivative assets191,612 191,612 278,423 278,423 321,488 321,488 
Accrued interest receivable and other272,293 272,293 272,339 272,339 272,940 272,940 
Total financial assets$45,724,953 $45,731,335 $42,921,858 $42,784,231 $41,553,599 $41,410,798 
Financial Liabilities
Non-maturity deposits$35,822,012 $35,822,012 $32,116,023 $32,116,023 $30,778,127 $30,778,127 
Deposits with stated maturities4,130,546 4,124,199 4,976,628 4,969,849 5,066,295 5,063,732 
FHLB advances1,241,071 1,164,168 1,228,429 1,172,315 1,228,422 1,207,203 
Other borrowings504,527 504,527 518,928 518,928 507,395 507,395 
Subordinated notes436,811 474,171 436,506 473,093 436,385 473,825 
Junior subordinated debentures253,566 207,675 253,566 204,713 253,566 208,333 
Derivative liabilities161,314 161,314 288,465 288,465 326,990 326,990 
Accrued interest payable15,030 15,030 15,645 15,645 21,310 21,310 
Total financial liabilities$42,564,877 $42,473,096 $39,834,190 $39,759,031 $38,618,490 $38,586,915 
Not all the financial instruments listed in the table above are subject to the disclosure provisions of ASC Topic 820, as certain assets and liabilities result in their carrying value approximating fair value. These include cash and cash equivalents, interest bearing deposits with banks, brokerage customer receivables, FHLB and FRB stock, accrued interest receivable and accrued interest payable and non-maturity deposits.

The following methods and assumptions were used by the Company in estimating fair values of financial instruments that were not previously disclosed.

Held-to-maturity securities. Held-to-maturity securities include U.S. Government-sponsored agency securities and municipal bonds issued by various municipal government entities primarily located in the Chicago metropolitan area and southern Wisconsin. Fair values for held-to-maturity securities are typically based on prices obtained from independent pricing vendors. In accordance with ASC 820, the Company has generally categorized these held-to-maturity securities as a Level 2 fair value measurement. Fair values for certain other held-to-maturity securities are based on the bond pricing methodology discussed previously related to certain available-for-sale securities. In accordance with ASC 820, the Company has categorized these held-to-maturity securities as a Level 3 fair value measurement.

Loans held-for-investment, at amortized cost. Fair values are estimated for portfolios of loans with similar financial characteristics. Loans are analyzed by type such as commercial, residential real estate, etc. Each category is further segmented by interest rate type (fixed and variable) and term. For variable-rate loans that reprice frequently, estimated fair values are based on carrying values. The fair value of residential loans is based on secondary market sources for securities backed by similar loans, adjusted for differences in loan characteristics. The fair value for other fixed rate loans is estimated by discounting scheduled cash flows through the estimated maturity using estimated market discount rates that reflect credit and interest rate risks inherent in the loan. In accordance with ASC 820, the Company has categorized loans as a Level 3 fair value measurement.

Deposits with stated maturities. The fair value of certificates of deposit is based on the discounted value of contractual cash flows. The discount rate is estimated using the rates currently in effect for deposits of similar remaining maturities. In accordance with ASC 820, the Company has categorized deposits with stated maturities as a Level 3 fair value measurement.

FHLB advances. The fair value of FHLB advances is obtained from the FHLB which uses a discounted cash flow analysis based on current market rates of similar maturity debt securities to discount cash flows. In accordance with ASC 820, the Company has categorized FHLB advances as a Level 3 fair value measurement.

Subordinated notes. The fair value of the subordinated notes is based on a market price obtained from an independent pricing vendor. In accordance with ASC 820, the Company has categorized subordinated notes as a Level 2 fair value measurement.

Junior subordinated debentures. The fair value of the junior subordinated debentures is based on the discounted value of contractual cash flows. In accordance with ASC 820, the Company has categorized junior subordinated debentures as a Level 3 fair value measurement.