Securities - Schedule of Securities with Unrealized Losses (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]
Less than 12 months fair value	$ 285,714	$ 13,604
Less than 12 months unrealized loss	(5,681)	(176)
12 months or more fair value	1,070,442	1,494,312
12 months or more unrealized loss	(273,485)	(275,589)
Total fair value	1,356,156	1,507,916
Total unrealized loss	(279,166)	(275,765)
Obligations of State and Political Subdivisions
Debt Securities, Available-for-sale [Line Items]
Less than 12 months fair value	13,249	13,469
Less than 12 months unrealized loss	(231)	(175)
12 months or more fair value	445,264	668,223
12 months or more unrealized loss	(124,584)	(122,199)
Total fair value	458,513	681,692
Total unrealized loss	(124,815)	(122,374)
MBS/CMO
Debt Securities, Available-for-sale [Line Items]
Less than 12 months fair value	176,333	135
Less than 12 months unrealized loss	(2,461)	(1)
12 months or more fair value	480,235	643,172
12 months or more unrealized loss	(113,254)	(116,012)
Total fair value	656,568	643,307
Total unrealized loss	(115,715)	(116,013)
US Gov’t Sponsored Entities & Agencies
Debt Securities, Available-for-sale [Line Items]
Less than 12 months fair value	96,132	0
Less than 12 months unrealized loss	(2,989)	0
12 months or more fair value	144,943	182,917
12 months or more unrealized loss	(35,647)	(37,378)
Total fair value	241,075	182,917
Total unrealized loss	$ (38,636)	$ (37,378)