Derivatives and Hedging Activities - Customer Related Derivative Positions (Details) $ in Thousands	Jun. 30, 2025 USD ($) derivative	Dec. 31, 2024 USD ($) derivative
Receive fixed, pay variable
Derivatives and Hedging Activities
Total	$ 1,425,875	$ 1,672,948
Pay fixed, receive variable
Derivatives and Hedging Activities
Total	1,425,875	1,672,948
Risk participation-out agreements
Derivatives and Hedging Activities
Total	430,619	539,731
Risk participation-in agreements
Derivatives and Hedging Activities
Total	100,934	102,198
Foreign exchange contracts \| Buys foreign currency, sells U.S. currency
Derivatives and Hedging Activities
Total	5,560	5,849
Foreign exchange contracts \| Sells foreign currency, buys U.S. currency
Derivatives and Hedging Activities
Total	$ 5,105	$ 5,408
Derivatives not designed as hedging instruments \| Receive fixed, pay variable
Derivatives and Hedging Activities
Number of Positions \| derivative	135	149
Notional Amount Maturing, Less than 1 year	$ 96,243	$ 153,724
Notional Amount Maturing, Less than 2 years	129,930	57,535
Notional Amount Maturing, Less than 3 years	134,819	237,601
Notional Amount Maturing, Less than 4 years	168,517	93,027
Notional Amount Maturing, Thereafter	896,366	1,131,061
Total	1,425,875	1,672,948
Fair Value	$ 47,011	$ 95,720
Derivatives not designed as hedging instruments \| Pay fixed, receive variable
Derivatives and Hedging Activities
Number of Positions \| derivative	135	149
Notional Amount Maturing, Less than 1 year	$ 96,243	$ 153,724
Notional Amount Maturing, Less than 2 years	129,930	57,535
Notional Amount Maturing, Less than 3 years	134,819	237,601
Notional Amount Maturing, Less than 4 years	168,517	93,027
Notional Amount Maturing, Thereafter	896,366	1,131,061
Total	1,425,875	1,672,948
Fair Value	$ 47,011	$ 95,720
Derivatives not designed as hedging instruments \| Risk participation-out agreements
Derivatives and Hedging Activities
Number of Positions \| derivative	56	68
Notional Amount Maturing, Less than 1 year	$ 2,749	$ 33,305
Notional Amount Maturing, Less than 2 years	29,269	5,847
Notional Amount Maturing, Less than 3 years	41,684	59,464
Notional Amount Maturing, Less than 4 years	60,520	52,828
Notional Amount Maturing, Thereafter	296,397	388,287
Total	430,619	539,731
Fair Value	$ 553	$ 495
Derivatives not designed as hedging instruments \| Risk participation-in agreements
Derivatives and Hedging Activities
Number of Positions \| derivative	10	10
Notional Amount Maturing, Less than 1 year	$ 0	$ 0
Notional Amount Maturing, Less than 2 years	25,654	22,518
Notional Amount Maturing, Less than 3 years	0	3,506
Notional Amount Maturing, Less than 4 years	29,087	25,346
Notional Amount Maturing, Thereafter	46,193	50,828
Total	100,934	102,198
Fair Value	$ 179	$ 137
Derivatives not designed as hedging instruments \| Foreign exchange contracts \| Buys foreign currency, sells U.S. currency
Derivatives and Hedging Activities
Number of Positions \| derivative	23	26
Notional Amount Maturing, Less than 1 year	$ 5,560	$ 5,849
Notional Amount Maturing, Less than 2 years	0	0
Notional Amount Maturing, Less than 3 years	0	0
Notional Amount Maturing, Less than 4 years	0	0
Notional Amount Maturing, Thereafter	0	0
Total	5,560	5,849
Fair Value	$ 457	$ 459
Derivatives not designed as hedging instruments \| Foreign exchange contracts \| Sells foreign currency, buys U.S. currency
Derivatives and Hedging Activities
Number of Positions \| derivative	21	24
Notional Amount Maturing, Less than 1 year	$ 5,105	$ 5,408
Notional Amount Maturing, Less than 2 years	0	0
Notional Amount Maturing, Less than 3 years	0	0
Notional Amount Maturing, Less than 4 years	0	0
Notional Amount Maturing, Thereafter	0	0
Total	5,105	5,408
Fair Value	$ 378	$ 482

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