v3.26.1
FAIR VALUE (Tables)
 6 Months Ended
Jun. 30, 2026
Fair Value Disclosures [Abstract]  
Schedule of Fair Value Assets and Liabilities Measured on Recurring Basis
Assets and liabilities measured at fair value on a recurring basis, including financial assets and liabilities for which we have elected the fair value option, are summarized below: 
Fair Value Measurements at June 30, 2026 Using
(dollars in thousands)Carrying ValueQuoted Prices in
Active Markets for
Identical Assets (Level 1)		Significant
Other
Observable
Inputs (Level 2)		Significant
Unobservable
Inputs
(Level 3)
Financial Assets    
Equity securities$131,113 $131,113 $— $— 
Investment securities available-for-sale:
U.S. Treasury204,333 204,333 — — 
U.S. government-sponsored entities and agencies1,328,817 — 1,328,817 — 
Mortgage-backed securities - Agency9,579,446 — 9,579,446 — 
States and political subdivisions304,430 — 304,430 — 
Pooled trust preferred securities12,876 — 12,876 — 
Other securities152,483 — 152,483 — 
Loans held-for-sale43,608 — 43,608 — 
Derivative assets147,852 — 147,852 — 
Financial Liabilities
Derivative liabilities265,678 — 265,678 — 
  Fair Value Measurements at December 31, 2025 Using
(dollars in thousands)Carrying ValueQuoted Prices in
Active Markets for
Identical Assets (Level 1)		Significant
Other
Observable
Inputs (Level 2)		Significant
Unobservable
Inputs
(Level 3)
Financial Assets    
Equity securities$128,857 $128,857 $— $— 
Investment securities available-for-sale:
U.S. Treasury214,544 214,544 — — 
U.S. government-sponsored entities and agencies1,372,392 — 1,372,392 — 
Mortgage-backed securities - Agency9,168,035 — 9,168,035 — 
States and political subdivisions426,008 — 426,008 — 
Pooled trust preferred securities11,734 — 11,734 — 
Other securities191,737 — 191,737 — 
Loans held-for-sale52,911 — 52,911 — 
Derivative assets170,828 — 170,828 — 
Financial Liabilities
Derivative liabilities258,968 — 258,968 — 
Schedule of Assets Measured at Fair Value on a Non-Recurring Basis
Assets measured at fair value on a non-recurring basis at June 30, 2026 are summarized below:
  Fair Value Measurements at June 30, 2026 Using
(dollars in thousands)Carrying
Value		Quoted Prices in
Active Markets for
Identical Assets
(Level 1)		Significant
Other
Observable
Inputs (Level 2)		Significant
Unobservable
Inputs
(Level 3)
Collateral Dependent Loans:    
Commercial loans$40,139 $— $— $40,139 
Commercial real estate loans56,305 — — 56,305 
Foreclosed Assets:
Commercial real estate1,136 — — 1,136 
Assets measured at fair value on a non-recurring basis at December 31, 2025 are summarized below:
  Fair Value Measurements at December 31, 2025 Using
(dollars in thousands)Carrying ValueQuoted Prices in
Active Markets for
Identical Assets (Level 1)		Significant
Other
Observable
Inputs (Level 2)		Significant
Unobservable
Inputs (Level 3)
Collateral Dependent Loans:    
Commercial loans$55,471 $— $— $55,471 
Commercial real estate loans109,852 — — 109,852 
Foreclosed Assets:
Commercial real estate975 — — 975 
Residential98 — — 98 
Schedule of Quantitative Information about Significant Unobservable Inputs Used in Fair Value Measurements
The table below provides quantitative information about significant unobservable inputs used in fair value measurements within Level 3 of the fair value hierarchy:
(dollars in thousands)Fair ValueValuation TechniquesUnobservable Input
Range (Weighted Average) (1)
June 30, 2026    
Collateral Dependent Loans    
Commercial loans$40,139 DiscountedDiscount for type of property,
15% - 50% (38%)
 cash flowage of appraisal, and current status
Commercial real estate loans56,305 DiscountedDiscount for type of property,
11% - 50% (24%)
cash flowage of appraisal, and current status
Foreclosed Assets
Commercial real estate1,136 Fair value ofDiscount for type of property,
0% - 29% (27%)
collateralage of appraisal, and current status
December 31, 2025  
Collateral Dependent Loans  
Commercial loans$55,471 DiscountedDiscount for type of property,
8% - 50% (35%)
 cash flowage of appraisal, and current status
Commercial real estate loans109,852 DiscountedDiscount for type of property,
2% - 61% (17%)
 cash flowage of appraisal, and current status
Foreclosed Assets  
Commercial real estate (2)
975 Fair value ofDiscount for type of property,
30%
collateralage of appraisal, and current status
Residential (2)
98 Fair value ofDiscount for type of property,
44%
  collateralage of appraisal, and current status 
(1)Unobservable inputs were weighted by the relative fair value of the instruments.
(2)There was only one foreclosed commercial real estate property and one foreclosed residential property at December 31, 2025 with write-downs during the year ended December 31, 2025, so no range or weighted average is reported.
Schedule of Difference Between the Aggregate Fair Value and the Aggregate Remaining Principal Balance
The difference between the aggregate fair value and the aggregate remaining principal balance for loans for which the fair value option has been elected was as follows: 
(dollars in thousands)Aggregate
Fair Value		Difference Contractual Principal
June 30, 2026   
Loans held-for-sale$43,608 $759 $42,849 
December 31, 2025
Loans held-for-sale$52,911 $1,148 $51,763 
The following table presents the amount of gains and losses from fair value changes included in income before income taxes for financial assets carried at fair value:
(dollars in thousands)Other
Gains and (Losses)		Interest IncomeInterest (Expense)Total Changes
in Fair Values
Included in
Current Period Earnings
Three Months Ended June 30, 2026    
Loans held-for-sale$378 $23 $— $401 
Three Months Ended June 30, 2025
Loans held-for-sale$783 $101 $— $884 
Six Months Ended June 30, 2026
Loans held-for-sale$(374)$23 $(38)$(389)
Six Months Ended June 30, 2025
Loans held-for-sale$1,386 $101 $(9)$1,478 
Schedule of Carrying Amounts and Estimated Fair Values of Financial Instruments, Not Carried at Fair Value
The carrying amounts and estimated fair values of financial instruments not carried at fair value were as follows: 
  Fair Value Measurements at June 30, 2026 Using
(dollars in thousands)Carrying ValueQuoted Prices in
Active Markets
for Identical
Assets (Level 1)		Significant
Other
Observable
Inputs (Level 2)		Significant
Unobservable
Inputs (Level 3)
Financial Assets    
Cash, due from banks, money market,
   and other interest-earning investments		$1,768,180 $1,768,180 $— $— 
Investment securities held-to-maturity:
U.S. government-sponsored entities and agencies825,359 — 687,544 — 
Mortgage-backed securities - Agency881,022 — 745,684 — 
State and political subdivisions1,138,123 — 1,034,980 — 
Loans, net:
Commercial15,856,832 — — 15,972,494 
Commercial real estate22,270,561 — — 22,528,236 
Residential real estate8,720,382 — — 7,975,684 
Consumer credit3,344,298 — — 3,189,201 
Accrued interest receivable301,860 867 77,261 223,732 
Financial Liabilities
Deposits:
Noninterest-bearing demand deposits$12,665,278 $12,665,278 $— $— 
Checking, NOW, savings, and money market
   interest-bearing deposits		32,990,366 32,990,366 — — 
Time deposits10,491,126 — 10,442,674 — 
Federal funds purchased and interbank borrowings250,389 250,389 — — 
Securities sold under agreements to repurchase265,301 265,301 — — 
FHLB advances6,520,296 — 6,501,492 — 
Other borrowings1,387,997 — 1,404,069 — 
Accrued interest payable71,420 — 71,420 — 
Standby letters of credit1,929 — — 1,929 
Off-Balance Sheet Financial Instruments
Commitments to extend credit$— $— $— $5,379 
  Fair Value Measurements at December 31, 2025 Using
(dollars in thousands)Carrying ValueQuoted Prices in
Active Markets
for Identical
Assets (Level 1)		Significant
Other
Observable
Inputs (Level 2)		Significant
Unobservable
Inputs (Level 3)
Financial Assets    
Cash, due from banks, money market,
   and other interest-earning investments		$1,826,177 $1,826,177 $— $— 
Investment securities held-to-maturity:
U.S. government-sponsored entities and agencies840,435 — 710,909 — 
Mortgage-backed securities - Agency910,323 — 782,818 — 
State and political subdivisions1,144,730 — 1,046,511 — 
Loans, net:
Commercial14,737,809 — — 14,831,563 
Commercial real estate21,780,686 — — 21,806,075 
Residential real estate8,433,102 — — 7,526,511 
Consumer credit3,243,045 — — 3,027,561 
Accrued interest receivable306,812 894 77,288 228,630 
Financial Liabilities
Deposits:
Noninterest-bearing demand deposits$13,247,483 $13,247,483 $— $— 
Checking, NOW, savings, and money market
   interest-bearing deposits		32,179,688 32,179,688 — — 
Time deposits9,661,024 — 9,540,748 — 
Federal funds purchased and interbank borrowings100,197 100,197 —— 
Securities sold under agreements to repurchase261,366 261,366 —— 
FHLB advances6,237,375 — 6,229,752 — 
Other borrowings852,429 — 853,938 — 
Accrued interest payable65,291 — 65,291 — 
Standby letters of credit1,672 — — 1,672 
Off-Balance Sheet Financial Instruments
Commitments to extend credit$— $— $— $5,687