Securities - Schedule of Unrealized Loss and Fair Value on Investments (Details) $ in Thousands	Mar. 31, 2025 USD ($) security	Dec. 31, 2024 USD ($) security
Fair Value
Less Than 12 Months	$ 680,492	$ 717,899
12 Months or Longer	814,611	978,673
Total	1,495,103	1,696,572
Unrealized Losses
Less Than 12 Months	(36,519)	(7,996)
12 Months or Longer	(147,010)	(203,342)
Total	$ (183,529)	$ (211,338)
Number of individual securities | security	350	377
U.S. Treasury securities and obligations of U.S. government agencies
Fair Value
Less Than 12 Months	$ 11,817	$ 4,825
12 Months or Longer	5,404	18,060
Total	17,221	22,885
Unrealized Losses
Less Than 12 Months	(97)	(13)
12 Months or Longer	(325)	(509)
Total	(422)	(522)
Residential mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities
Fair Value
Less Than 12 Months	546,593	648,967
12 Months or Longer	607,377	739,363
Total	1,153,970	1,388,330
Unrealized Losses
Less Than 12 Months	(35,096)	(7,578)
12 Months or Longer	(130,709)	(182,958)
Total	(165,805)	(190,536)
Commercial mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities
Fair Value
Less Than 12 Months	29,937	13,200
12 Months or Longer	68,150	107,041
Total	98,087	120,241
Unrealized Losses
Less Than 12 Months	(865)	(222)
12 Months or Longer	(7,245)	(10,061)
Total	(8,110)	(10,283)
Private mortgage-backed securities and collateralized mortgage obligations
Fair Value
Less Than 12 Months	304	7,178
12 Months or Longer	97,986	101,242
Total	98,290	108,420
Unrealized Losses
Less Than 12 Months	(6)	(16)
12 Months or Longer	(7,035)	(8,366)
Total	(7,041)	(8,382)
Collateralized loan obligations
Fair Value
Less Than 12 Months	91,511	43,410
12 Months or Longer	30,396	7,596
Total	121,907	51,006
Unrealized Losses
Less Than 12 Months	(450)	(152)
12 Months or Longer	(189)	(14)
Total	(639)	(166)
Obligations of state and political subdivisions
Fair Value
Less Than 12 Months	330	319
12 Months or Longer	5,298	5,371
Total	5,628	5,690
Unrealized Losses
Less Than 12 Months	(5)	(15)
12 Months or Longer	(1,507)	(1,434)
Total	$ (1,512)	$ (1,449)