v3.26.1
Derivative Financial Instruments Notional Amounts and Fair Values of Derivative Financial Instruments (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Derivative [Line Items]    
Derivative asset, fair value $ 113,833 $ 129,136
Derivative liability, gross liability (172,000) (170,133)
Interest Rate Lock Commitments [Member]    
Derivative [Line Items]    
Derivative asset, notional amount 216,536 203,580
Derivative liability, notional amount 1,794 926
Derivative asset, fair value 974 563
Derivative liability, gross liability (18) (6)
Forward Commitments [Member]    
Derivative [Line Items]    
Derivative asset, notional amount 78,401 0
Derivative liability, notional amount 0 71,207
Derivative asset, fair value 49 0
Derivative liability, gross liability 0 (156)
Interest Rate Swap with Customer [Member]    
Derivative [Line Items]    
Derivative asset, notional amount 1,432,303 2,118,722
Derivative liability, notional amount 3,540,011 2,747,758
Derivative asset, fair value 15,958 39,236
Derivative liability, gross liability (151,612) (130,521)
Derivative Instrument, Valuation Allowance 366 366
Interest Rate Swap With Counterparty [Member]    
Derivative [Line Items]    
Derivative asset, notional amount 3,540,011 2,747,758
Derivative liability, notional amount 1,432,303 2,118,722
Derivative asset, fair value 95,138 77,528
Derivative liability, gross liability (16,324) (39,606)
Balance Sheet Hedging Instruments    
Derivative [Line Items]    
Derivative asset, notional amount 2,000,000 2,950,000
Derivative liability, notional amount 1,050,000 0
Derivative asset, fair value 2,359 11,489
Derivative liability, gross liability (3,846) 0
Foreign Exchange Contracts With Customer [Member]    
Derivative [Line Items]    
Derivative asset, notional amount 11,532 1,239
Derivative liability, notional amount 5,181 13,007
Derivative asset, fair value 242 8
Derivative liability, gross liability (269) (714)
Foreign Exchange Contracts With Correspondent Banks [Member]    
Derivative [Line Items]    
Derivative asset, notional amount 8,993 14,424
Derivative liability, notional amount 12,496 1,870
Derivative asset, fair value 378 883
Derivative liability, gross liability $ (218) $ (6)