Securities - Schedule of Unrealized Loss and Fair Value on Investments (Details) $ in Thousands	Jun. 30, 2025 USD ($) security	Dec. 31, 2024 USD ($) security
Fair Value
Less Than 12 Months	$ 471,770	$ 717,899
12 Months or Longer	924,183	978,673
Total	1,395,953	1,696,572
Unrealized Losses
Less Than 12 Months	(5,219)	(7,996)
12 Months or Longer	(168,207)	(203,342)
Total	$ (173,426)	$ (211,338)
Number of individual securities | security	362	377
U.S. Treasury securities and obligations of U.S. government agencies
Fair Value
Less Than 12 Months	$ 373	$ 4,825
12 Months or Longer	15,491	18,060
Total	15,864	22,885
Unrealized Losses
Less Than 12 Months	(1)	(13)
12 Months or Longer	(376)	(509)
Total	(377)	(522)
Residential mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities
Fair Value
Less Than 12 Months	362,289	648,967
12 Months or Longer	711,043	739,363
Total	1,073,332	1,388,330
Unrealized Losses
Less Than 12 Months	(4,647)	(7,578)
12 Months or Longer	(152,976)	(182,958)
Total	(157,623)	(190,536)
Commercial mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities
Fair Value
Less Than 12 Months	0	13,200
12 Months or Longer	94,901	107,041
Total	94,901	120,241
Unrealized Losses
Less Than 12 Months	0	(222)
12 Months or Longer	(7,140)	(10,061)
Total	(7,140)	(10,283)
Private mortgage-backed securities and collateralized mortgage obligations
Fair Value
Less Than 12 Months	0	7,178
12 Months or Longer	89,909	101,242
Total	89,909	108,420
Unrealized Losses
Less Than 12 Months	0	(16)
12 Months or Longer	(6,289)	(8,366)
Total	(6,289)	(8,382)
CLOs
Fair Value
Less Than 12 Months	108,779	43,410
12 Months or Longer	7,427	7,596
Total	116,206	51,006
Unrealized Losses
Less Than 12 Months	(564)	(152)
12 Months or Longer	(33)	(14)
Total	(597)	(166)
Obligations of state and political subdivisions
Fair Value
Less Than 12 Months	329	319
12 Months or Longer	5,412	5,371
Total	5,741	5,690
Unrealized Losses
Less Than 12 Months	(7)	(15)
12 Months or Longer	(1,393)	(1,434)
Total	$ (1,400)	$ (1,449)