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Fair Values of Assets and Liabilities (Tables)
9 Months Ended
Sep. 30, 2024
Fair Value Disclosures [Abstract]  
Schedule of Balances of Assets and Liabilities Measured at Fair Value on a Recurring Basis
The following tables present the balances of assets and liabilities measured at fair value on a recurring basis for the periods presented:
September 30, 2024
(In thousands)TotalLevel 1Level 2Level 3
Available-for-sale securities
U.S. Treasury$98,323 $98,323 $ $ 
U.S. government agencies47,654  47,654  
Municipal200,212  64,962 135,250 
Corporate notes 80,117  80,117  
Mortgage-backed3,485,926  3,485,926  
Trading account securities3,472  3,472  
Equity securities with readily determinable fair value125,310 117,244 8,066  
Mortgage loans held-for-sale461,067  402,004 59,063 
Loans held-for-investment138,038  93,263 44,775 
MSRs186,308   186,308 
Nonqualified deferred compensation assets16,756  16,756  
Derivative assets255,662  250,520 5,142 
Total$5,098,845 $215,567 $4,452,740 $430,538 
Derivative liabilities$199,339 $ $199,339 $ 

December 31, 2023
(In thousands)TotalLevel 1Level 2Level 3
Available-for-sale securities
U.S. Treasury$6,968 $6,968 $— $— 
U.S. government agencies45,124 — 45,124 — 
Municipal140,958 — 54,721 86,237 
Corporate notes 76,531 — 76,531 — 
Mortgage-backed3,233,334 — 3,233,334 — 
Trading account securities4,707 — 4,707 — 
Equity securities with readily determinable fair value139,268 131,202 8,066 — 
Mortgage loans held-for-sale292,722 — 265,887 26,835 
Loans held-for-investment155,261 — 94,591 60,670 
MSRs192,456 — — 192,456 
Nonqualified deferred compensation assets15,238 — 15,238 — 
Derivative assets275,726 — 271,216 4,510 
Total$4,578,293 $138,170 $4,069,415 $370,708 
Derivative liabilities$267,255 $— $267,255 $— 

September 30, 2023
(In thousands)TotalLevel 1Level 2Level 3
Available-for-sale securities
U.S. Treasury$4,931 $4,931 $— $— 
U.S. government agencies72,430 — 72,430 — 
Municipal168,523 — 55,304 113,219 
Corporate notes 76,606 — 76,606 — 
Mortgage-backed3,289,345 — 3,289,345 — 
Trading account securities1,663 — 1,663 — 
Equity securities with readily determinable fair value134,310 126,244 8,066 — 
Mortgage loans held-for-sale304,808 — 279,621 25,187 
Loans held-for-investment171,178 — 113,217 57,961 
MSRs210,524 — — 210,524 
Nonqualified deferred compensation assets14,449 — 14,449 — 
Derivative assets323,705 — 321,189 2,516 
Total$4,772,472 $131,175 $4,231,890 $409,407 
Derivative liabilities$458,706 $— $458,706 $— 
Schedule of Changes In Level 3 Assets and Liabilities Measured at Fair Value on a Recurring Basis
The changes in Level 3 assets measured at fair value on a recurring basis during the three and nine months ended September 30, 2024 and 2023 are summarized as follows:
Mortgage loans held-for-saleLoans held-for- investmentMortgage
servicing rights
Derivative assets
(In thousands)Municipal
Balance at July 1, 2024$95,792 $40,545 $45,721 $204,610 $4,795 
Total net (losses) gains included in:
Net income (1)
 126 381 (18,302)347 
Other comprehensive income or loss968     
Purchases38,490     
Settlements (8,078)(7,924)  
Net transfers into Level 3
 26,470 6,597   
Balance at September 30, 2024$135,250 $59,063 $44,775 $186,308 $5,142 

Mortgage loans held-for-saleLoans held-for- investmentMortgage
servicing rights
Derivative assets
(In thousands)Municipal
Balance at July 1, 2023$114,155 $29,406 $61,123 $200,692 $3,487 
Total net (losses) gains included in:
Net income (1)
— 626 (260)9,832 (971)
Other comprehensive income or loss(1,614)— — — — 
Purchases678 — — — — 
Sales— — — — — 
Settlements— (18,454)(16,852)— — 
Net transfers into Level 3— 13,609 13,950 — — 
Balance at September 30, 2023$113,219 $25,187 $57,961 $210,524 $2,516 
(1)Changes in the balance of mortgage loans held-for-sale, 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.
Mortgage loans held-for-saleLoans held-for- investmentMortgage
servicing rights
Derivative Assets
(In thousands)Municipal
Balance at January 1, 2024
$86,237 $26,835 $60,670 $192,456 $4,510 
Total net (losses) gains included in:
Net income (1)
 398 130 (6,148)632 
Other comprehensive income or loss(1,700)    
Purchases56,556     
Issuances     
Sales     
Settlements(5,843)(28,687)(31,436)  
Net transfers into Level 3
 60,517 15,411   
Balance at September 30, 2024$135,250 $59,063 $44,775 $186,308 $5,142 

Mortgage loans held-for-saleLoans held-for- investmentMortgage
servicing rights
Derivative Assets
(In thousands)Municipal
Balance at January 1, 2023
$117,537 $48,655 $84,165 $230,225 $1,711 
Total net (losses) gains included in:
Net income (1)
— 1,494 (515)10,469 805 
Other comprehensive income or loss(6,437)— — — — 
Purchases12,074 — — — — 
Sales— — — (30,170)— 
Settlements(9,955)(61,046)(53,767)— — 
Net transfers into Level 3— 36,084 28,078 — — 
Balance at September 30, 2023$113,219 $25,187 $57,961 $210,524 $2,516 
(1)Changes in the balance of mortgage loans held-for-sale, 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.
Schedule of Assets Measured at Fair Value on a Nonrecurring Basis For assets measured at fair value on a non-recurring 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, 2024:
September 30, 2024
Three Months Ended September 30, 2024
Fair Value Losses Recognized, net
Nine Months Ended September 30, 2024
Fair Value Losses Recognized, net
(In thousands)TotalLevel 1Level 2Level 3
Individually assessed loans - foreclosure probable and collateral-dependent$124,586 $— $— $124,586 $22,908 $64,747 
Other real estate owned (1)
13,682 — — 13,682 — 207 
Total$138,268 $— $— $138,268 $22,908 $64,954 
(1)Net fair value losses recognized on other real estate owned include valuation adjustments and charge-offs during the respective period.
Schedule of Valuation Techniques and Significant Unobservable Inputs Used to Measure Both Recurring and Non Recurring
The valuation techniques and significant unobservable inputs used to measure both recurring and non-recurring Level 3 fair value measurements at September 30, 2024 were as follows:
(Dollars in thousands)Fair ValueValuation MethodologySignificant Unobservable InputInput / Range of InputsWeighted
Average
of Inputs
Impact to valuation
from an increased or
higher input value
Measured at fair value on a recurring basis:
Municipal securities$135,250 Bond pricingEquivalent ratingBBB-AA+N/AIncrease
Mortgage loans held-for-sale59,063 Discounted cash flowsDiscount rate
6.14%
6.14%Decrease
Credit discount
0% - 14%
0.52%Decrease
Loans held-for-investment44,775 Discounted cash flowsDiscount rate
6.12% - 6.14%
6.14%Decrease
Credit discount
0% - 39%
1.07%Decrease
Constant prepayment rate (CPR) - current loans
9.21%
9.21%Decrease
Average life - delinquent loans (in years)
1.4 years - 11.3 years
5.9 yearsDecrease
MSRs186,308 Discounted cash flowsDiscount rate
6% - 20%
10.96%Decrease
Constant prepayment rate (CPR)
6% - 90%
9.21%Decrease
Cost of servicing
$70 - $200
$76 Decrease
Cost of servicing - delinquent
$200 - 1,000
$386 Decrease
Derivatives5,142 Discounted cash flowsPull-through rate
1% - 100%
80.71 %Increase
Measured at fair value on a non-recurring basis:
Individually assessed loans - foreclosure probable and collateral-dependent124,586 Appraisal valueAppraisal adjustment - cost of sale10%10.00%Decrease
Other real estate owned13,682 Appraisal valueAppraisal adjustment - cost of sale10%10.00%Decrease
Schedule of Carrying Amounts and Estimated Fair Values of Financial Instruments 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, 2024At December 31, 2023At September 30, 2023
CarryingFairCarryingFairCarryingFair
(In thousands)ValueValueValueValueValueValue
Financial Assets:
Cash and cash equivalents$731,128 $731,128 $423,464 $423,464 $418,148 $418,148 
Interest-bearing deposits with banks3,648,117 3,648,117 2,084,323 2,084,323 2,448,570 2,448,570 
Available-for-sale securities3,912,232 3,912,232 3,502,915 3,502,915 3,611,835 3,611,835 
Held-to-maturity securities3,677,420 3,121,820 3,856,916 3,215,468 3,909,150 3,057,959 
Trading account securities3,472 3,472 4,707 4,707 1,663 1,663 
Equity securities with readily determinable fair value125,310 125,310 139,268 139,268 134,310 134,310 
FHLB and FRB stock, at cost266,908 266,908 205,003 205,003 204,040 204,040 
Brokerage customer receivables16,662 16,662 10,592 10,592 14,042 14,042 
Mortgage loans held-for-sale, at fair value461,067 461,067 292,722 292,722 304,808 304,808 
Loans held-for-investment, at fair value138,038 138,038 155,261 155,261 171,178 171,178 
Loans held-for-investment, at amortized cost46,929,409 46,081,849 41,976,570 41,090,010 41,274,854 40,300,208 
Nonqualified deferred compensation assets16,756 16,756 15,238 15,238 14,449 14,449 
Derivative assets255,662 255,662 275,726 275,726 323,705 323,705 
Accrued interest receivable and other588,594 588,594 477,832 477,832 465,117 465,117 
Total financial assets$60,770,775 $59,367,615 $53,420,537 $51,892,529 $53,295,869 $51,470,032 
Financial Liabilities
Non-maturity deposits$41,406,393 $41,406,393 $38,772,098 $38,772,098 $38,204,017 $38,204,017 
Time certificates of deposit9,998,573 9,985,778 6,625,072 6,603,746 6,788,669 6,744,989 
FHLB advances3,171,309 3,334,183 2,326,071 2,367,107 2,326,071 2,189,101 
Other borrowings647,043 646,272 645,813 643,755 643,999 641,514 
Subordinated notes298,188 289,260 437,866 413,501 437,731 400,520 
Junior subordinated debentures253,566 253,662 253,566 253,579 253,566 253,568 
Derivative liabilities199,339 199,339 267,255 267,255 458,706 458,706 
Accrued interest payable75,254 75,254 51,116 51,116 54,383 54,383 
Total financial liabilities$56,049,665 $56,190,141 $49,378,857 $49,372,157 $49,167,142 $48,946,798