Securities - Schedule of Securities Available-for-Sale (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 1,865,732	$ 1,796,040
Gross Unrealized Gains	6,453	413
Gross Unrealized Losses	(214,791)	(279,166)
Fair Value	1,657,394	1,517,287
U.S. Treasury
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	152,026	110,813
Gross Unrealized Gains	64	51
Gross Unrealized Losses	0	0
Fair Value	152,090	110,864
Obligations of State and Political Subdivisions
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	603,528	587,963
Gross Unrealized Gains	822	21
Gross Unrealized Losses	(106,744)	(124,815)
Fair Value	497,606	463,169
MBS/CMO
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	795,574	817,553
Gross Unrealized Gains	4,714	341
Gross Unrealized Losses	(80,746)	(115,715)
Fair Value	719,542	702,179
US Gov’t Sponsored Entities & Agencies
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	314,604	279,711
Gross Unrealized Gains	853	0
Gross Unrealized Losses	(27,301)	(38,636)
Fair Value	$ 288,156	$ 241,075