v3.26.3
Disclosures About Fair Value of Financial Instruments - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
Assets and liabilities measured at fair value on a recurring basis    
Derivative assets, netting adjustments $ (32,155) $ (13,431)
Interest rate swaps not designated as hedging instruments    
Assets and liabilities measured at fair value on a recurring basis    
Derivative assets 34,384 25,922
Derivative liabilities 34,102 26,673
Interest rate swaps | Interest rate swaps designated as hedging instruments    
Assets and liabilities measured at fair value on a recurring basis    
Derivative assets, netting adjustments   (51)
Derivative liabilities, netting adjustments 0 (1,280)
Interest rate swaps | Interest rate swaps not designated as hedging instruments    
Assets and liabilities measured at fair value on a recurring basis    
Derivative assets, netting adjustments (32,155) (13,380)
Derivative liabilities, netting adjustments (55) (10,251)
Level 1    
Assets and liabilities measured at fair value on a recurring basis    
Total debt securities 0 0
Total financial assets 283,093 289,938
Level 1 | Interest rate lock commitments    
Assets and liabilities measured at fair value on a recurring basis    
Derivative assets 0 0
Level 1 | Forward commitments    
Assets and liabilities measured at fair value on a recurring basis    
Derivative assets 0 0
Level 1 | Interest rate swaps | Interest rate swaps designated as hedging instruments    
Assets and liabilities measured at fair value on a recurring basis    
Derivative asset before netting   0
Derivative liabilities, before netting 0 0
Level 1 | Interest rate swaps | Interest rate swaps not designated as hedging instruments    
Assets and liabilities measured at fair value on a recurring basis    
Derivative asset before netting 0 0
Derivative liabilities, before netting 0 0
Level 1 | Risk participation agreements    
Assets and liabilities measured at fair value on a recurring basis    
Derivative liabilities 0 0
Level 2    
Assets and liabilities measured at fair value on a recurring basis    
Total debt securities 1,751,568 1,586,382
Total financial assets 2,303,891 2,217,616
Level 2 | Interest rate lock commitments    
Assets and liabilities measured at fair value on a recurring basis    
Derivative assets 0 0
Level 2 | Forward commitments    
Assets and liabilities measured at fair value on a recurring basis    
Derivative assets 6 95
Level 2 | Interest rate swaps | Interest rate swaps designated as hedging instruments    
Assets and liabilities measured at fair value on a recurring basis    
Derivative asset before netting   51
Derivative liabilities, before netting 134 1,280
Level 2 | Interest rate swaps | Interest rate swaps not designated as hedging instruments    
Assets and liabilities measured at fair value on a recurring basis    
Derivative asset before netting 33,934 25,155
Derivative liabilities, before netting 33,935 25,366
Level 2 | Risk participation agreements    
Assets and liabilities measured at fair value on a recurring basis    
Derivative liabilities 33 27
Level 3    
Assets and liabilities measured at fair value on a recurring basis    
Total debt securities 0 0
Total financial assets 12,646,526 12,441,208
Level 3 | Interest rate lock commitments    
Assets and liabilities measured at fair value on a recurring basis    
Derivative assets 444 617
Level 3 | Forward commitments    
Assets and liabilities measured at fair value on a recurring basis    
Derivative assets 0 0
Level 3 | Interest rate swaps | Interest rate swaps designated as hedging instruments    
Assets and liabilities measured at fair value on a recurring basis    
Derivative asset before netting   0
Derivative liabilities, before netting 0 0
Level 3 | Interest rate swaps | Interest rate swaps not designated as hedging instruments    
Assets and liabilities measured at fair value on a recurring basis    
Derivative asset before netting 0 0
Derivative liabilities, before netting 0 0
Level 3 | Risk participation agreements    
Assets and liabilities measured at fair value on a recurring basis    
Derivative liabilities 0 0
Recurring    
Assets and liabilities measured at fair value on a recurring basis    
Total debt securities 203,793 178,261
Total mortgage-backed securities 1,547,775 1,408,121
Derivative assets, netting adjustments (32,155) (13,431)
Total financial assets 1,753,797 1,598,873
Derivative liabilities, netting adjustments (55) (11,531)
Total liabilities 34,047 15,142
Recurring | U.S. government and agencies    
Assets and liabilities measured at fair value on a recurring basis    
Total debt securities 30,527 35,912
Recurring | U.S. government-sponsored enterprises    
Assets and liabilities measured at fair value on a recurring basis    
Total debt securities   2,047
Recurring | States and political subdivisions    
Assets and liabilities measured at fair value on a recurring basis    
Total debt securities 62,018 83,268
Recurring | Corporate    
Assets and liabilities measured at fair value on a recurring basis    
Total debt securities 111,248 57,034
Recurring | Mortgage-backed securities | GNMA    
Assets and liabilities measured at fair value on a recurring basis    
Total mortgage-backed securities 128,280 96,344
Recurring | Mortgage-backed securities | FNMA    
Assets and liabilities measured at fair value on a recurring basis    
Total mortgage-backed securities 146,267 139,786
Recurring | Mortgage-backed securities | FHLMC    
Assets and liabilities measured at fair value on a recurring basis    
Total mortgage-backed securities 206,206 167,647
Recurring | Mortgage-backed securities | Non-agency    
Assets and liabilities measured at fair value on a recurring basis    
Total mortgage-backed securities 2 3
Recurring | Collateralized mortgage obligations | GNMA    
Assets and liabilities measured at fair value on a recurring basis    
Total mortgage-backed securities 676,903 708,908
Recurring | Collateralized mortgage obligations | FNMA    
Assets and liabilities measured at fair value on a recurring basis    
Total mortgage-backed securities 93,748 97,672
Recurring | Collateralized mortgage obligations | FHLMC    
Assets and liabilities measured at fair value on a recurring basis    
Total mortgage-backed securities 296,369 197,761
Recurring | Interest rate lock commitments    
Assets and liabilities measured at fair value on a recurring basis    
Derivative assets 444 617
Recurring | Forward commitments    
Assets and liabilities measured at fair value on a recurring basis    
Derivative assets 6 95
Recurring | Interest rate swaps | Interest rate swaps designated as hedging instruments    
Assets and liabilities measured at fair value on a recurring basis    
Derivative assets   0
Derivative assets, netting adjustments   (51)
Derivative liabilities 134 0
Derivative liabilities, netting adjustments 0 (1,280)
Recurring | Interest rate swaps | Interest rate swaps not designated as hedging instruments    
Assets and liabilities measured at fair value on a recurring basis    
Derivative assets 1,779 11,775
Derivative assets, netting adjustments (32,155) (13,380)
Derivative liabilities 33,880 15,115
Derivative liabilities, netting adjustments (55) (10,251)
Recurring | Risk participation agreements    
Assets and liabilities measured at fair value on a recurring basis    
Derivative liabilities 33 27
Recurring | Level 1    
Assets and liabilities measured at fair value on a recurring basis    
Total debt securities 0 0
Total mortgage-backed securities 0 0
Total financial assets 0 0
Total liabilities 0 0
Recurring | Level 1 | U.S. government and agencies    
Assets and liabilities measured at fair value on a recurring basis    
Total debt securities 0 0
Recurring | Level 1 | U.S. government-sponsored enterprises    
Assets and liabilities measured at fair value on a recurring basis    
Total debt securities   0
Recurring | Level 1 | States and political subdivisions    
Assets and liabilities measured at fair value on a recurring basis    
Total debt securities 0 0
Recurring | Level 1 | Corporate    
Assets and liabilities measured at fair value on a recurring basis    
Total debt securities 0 0
Recurring | Level 1 | Mortgage-backed securities | GNMA    
Assets and liabilities measured at fair value on a recurring basis    
Total mortgage-backed securities 0 0
Recurring | Level 1 | Mortgage-backed securities | FNMA    
Assets and liabilities measured at fair value on a recurring basis    
Total mortgage-backed securities 0 0
Recurring | Level 1 | Mortgage-backed securities | FHLMC    
Assets and liabilities measured at fair value on a recurring basis    
Total mortgage-backed securities 0 0
Recurring | Level 1 | Mortgage-backed securities | Non-agency    
Assets and liabilities measured at fair value on a recurring basis    
Total mortgage-backed securities 0 0
Recurring | Level 1 | Collateralized mortgage obligations | GNMA    
Assets and liabilities measured at fair value on a recurring basis    
Total mortgage-backed securities 0 0
Recurring | Level 1 | Collateralized mortgage obligations | FNMA    
Assets and liabilities measured at fair value on a recurring basis    
Total mortgage-backed securities 0 0
Recurring | Level 1 | Collateralized mortgage obligations | FHLMC    
Assets and liabilities measured at fair value on a recurring basis    
Total mortgage-backed securities 0 0
Recurring | Level 1 | Interest rate lock commitments    
Assets and liabilities measured at fair value on a recurring basis    
Derivative assets 0 0
Recurring | Level 1 | Forward commitments    
Assets and liabilities measured at fair value on a recurring basis    
Derivative assets 0 0
Recurring | Level 1 | Interest rate swaps | Interest rate swaps designated as hedging instruments    
Assets and liabilities measured at fair value on a recurring basis    
Derivative asset before netting   0
Derivative liabilities, before netting 0 0
Recurring | Level 1 | Interest rate swaps | Interest rate swaps not designated as hedging instruments    
Assets and liabilities measured at fair value on a recurring basis    
Derivative asset before netting 0 0
Derivative liabilities, before netting 0 0
Recurring | Level 1 | Risk participation agreements    
Assets and liabilities measured at fair value on a recurring basis    
Derivative liabilities 0 0
Recurring | Level 2    
Assets and liabilities measured at fair value on a recurring basis    
Total debt securities 203,793 178,261
Total mortgage-backed securities 1,547,775 1,408,121
Total financial assets 1,785,508 1,611,687
Total liabilities 34,102 26,673
Recurring | Level 2 | U.S. government and agencies    
Assets and liabilities measured at fair value on a recurring basis    
Total debt securities 30,527 35,912
Recurring | Level 2 | U.S. government-sponsored enterprises    
Assets and liabilities measured at fair value on a recurring basis    
Total debt securities   2,047
Recurring | Level 2 | States and political subdivisions    
Assets and liabilities measured at fair value on a recurring basis    
Total debt securities 62,018 83,268
Recurring | Level 2 | Corporate    
Assets and liabilities measured at fair value on a recurring basis    
Total debt securities 111,248 57,034
Recurring | Level 2 | Mortgage-backed securities | GNMA    
Assets and liabilities measured at fair value on a recurring basis    
Total mortgage-backed securities 128,280 96,344
Recurring | Level 2 | Mortgage-backed securities | FNMA    
Assets and liabilities measured at fair value on a recurring basis    
Total mortgage-backed securities 146,267 139,786
Recurring | Level 2 | Mortgage-backed securities | FHLMC    
Assets and liabilities measured at fair value on a recurring basis    
Total mortgage-backed securities 206,206 167,647
Recurring | Level 2 | Mortgage-backed securities | Non-agency    
Assets and liabilities measured at fair value on a recurring basis    
Total mortgage-backed securities 2 3
Recurring | Level 2 | Collateralized mortgage obligations | GNMA    
Assets and liabilities measured at fair value on a recurring basis    
Total mortgage-backed securities 676,903 708,908
Recurring | Level 2 | Collateralized mortgage obligations | FNMA    
Assets and liabilities measured at fair value on a recurring basis    
Total mortgage-backed securities 93,748 97,672
Recurring | Level 2 | Collateralized mortgage obligations | FHLMC    
Assets and liabilities measured at fair value on a recurring basis    
Total mortgage-backed securities 296,369 197,761
Recurring | Level 2 | Interest rate lock commitments    
Assets and liabilities measured at fair value on a recurring basis    
Derivative assets 0 0
Recurring | Level 2 | Forward commitments    
Assets and liabilities measured at fair value on a recurring basis    
Derivative assets 6 95
Recurring | Level 2 | Interest rate swaps | Interest rate swaps designated as hedging instruments    
Assets and liabilities measured at fair value on a recurring basis    
Derivative asset before netting   51
Derivative liabilities, before netting 134 1,280
Recurring | Level 2 | Interest rate swaps | Interest rate swaps not designated as hedging instruments    
Assets and liabilities measured at fair value on a recurring basis    
Derivative asset before netting 33,934 25,155
Derivative liabilities, before netting 33,935 25,366
Recurring | Level 2 | Risk participation agreements    
Assets and liabilities measured at fair value on a recurring basis    
Derivative liabilities 33 27
Recurring | Level 3    
Assets and liabilities measured at fair value on a recurring basis    
Total debt securities 0 0
Total mortgage-backed securities 0 0
Total financial assets 444 617
Total liabilities 0 0
Recurring | Level 3 | U.S. government and agencies    
Assets and liabilities measured at fair value on a recurring basis    
Total debt securities 0 0
Recurring | Level 3 | U.S. government-sponsored enterprises    
Assets and liabilities measured at fair value on a recurring basis    
Total debt securities   0
Recurring | Level 3 | States and political subdivisions    
Assets and liabilities measured at fair value on a recurring basis    
Total debt securities 0 0
Recurring | Level 3 | Corporate    
Assets and liabilities measured at fair value on a recurring basis    
Total debt securities 0 0
Recurring | Level 3 | Mortgage-backed securities | GNMA    
Assets and liabilities measured at fair value on a recurring basis    
Total mortgage-backed securities 0 0
Recurring | Level 3 | Mortgage-backed securities | FNMA    
Assets and liabilities measured at fair value on a recurring basis    
Total mortgage-backed securities 0 0
Recurring | Level 3 | Mortgage-backed securities | FHLMC    
Assets and liabilities measured at fair value on a recurring basis    
Total mortgage-backed securities 0 0
Recurring | Level 3 | Mortgage-backed securities | Non-agency    
Assets and liabilities measured at fair value on a recurring basis    
Total mortgage-backed securities 0 0
Recurring | Level 3 | Collateralized mortgage obligations | GNMA    
Assets and liabilities measured at fair value on a recurring basis    
Total mortgage-backed securities 0 0
Recurring | Level 3 | Collateralized mortgage obligations | FNMA    
Assets and liabilities measured at fair value on a recurring basis    
Total mortgage-backed securities 0 0
Recurring | Level 3 | Collateralized mortgage obligations | FHLMC    
Assets and liabilities measured at fair value on a recurring basis    
Total mortgage-backed securities 0 0
Recurring | Level 3 | Interest rate lock commitments    
Assets and liabilities measured at fair value on a recurring basis    
Derivative assets 444 617
Recurring | Level 3 | Forward commitments    
Assets and liabilities measured at fair value on a recurring basis    
Derivative assets 0 0
Recurring | Level 3 | Interest rate swaps | Interest rate swaps designated as hedging instruments    
Assets and liabilities measured at fair value on a recurring basis    
Derivative asset before netting   0
Derivative liabilities, before netting 0 0
Recurring | Level 3 | Interest rate swaps | Interest rate swaps not designated as hedging instruments    
Assets and liabilities measured at fair value on a recurring basis    
Derivative asset before netting 0 0
Derivative liabilities, before netting 0 0
Recurring | Level 3 | Risk participation agreements    
Assets and liabilities measured at fair value on a recurring basis    
Derivative liabilities $ 0 $ 0