Securities - Schedule of Unrealized Loss and Fair Value on Investments (Details) $ in Thousands	Dec. 31, 2024 USD ($) security	Dec. 31, 2023 USD ($) security
Fair Value
Less Than 12 Months	$ 717,899	$ 215,988
12 Months or Longer	978,673	1,453,668
Total	1,696,572	1,669,656
Unrealized Losses
Less Than 12 Months	(7,996)	(11,128)
12 Months or Longer	(203,342)	(206,586)
Total	$ (211,338)	$ (217,714)
Number of individual securities | security	377	504
U.S. Treasury securities and obligations of U.S. government agencies
Fair Value
Less Than 12 Months	$ 4,825	$ 24,933
12 Months or Longer	18,060	3,594
Total	22,885	28,527
Unrealized Losses
Less Than 12 Months	(13)	(143)
12 Months or Longer	(509)	(335)
Total	(522)	(478)
Residential mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities
Fair Value
Less Than 12 Months	648,967	91,867
12 Months or Longer	739,363	826,324
Total	1,388,330	918,191
Unrealized Losses
Less Than 12 Months	(7,578)	(9,320)
12 Months or Longer	(182,958)	(174,832)
Total	(190,536)	(184,152)
Commercial mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities
Fair Value
Less Than 12 Months	13,200	24,251
12 Months or Longer	107,041	262,666
Total	120,241	286,917
Unrealized Losses
Less Than 12 Months	(222)	(1,270)
12 Months or Longer	(10,061)	(18,295)
Total	(10,283)	(19,565)
Private mortgage-backed securities and collateralized mortgage obligations
Fair Value
Less Than 12 Months	7,178	3,945
12 Months or Longer	101,242	119,475
Total	108,420	123,420
Unrealized Losses
Less Than 12 Months	(16)	(69)
12 Months or Longer	(8,366)	(10,842)
Total	(8,382)	(10,911)
Collateralized loan obligations
Fair Value
Less Than 12 Months	43,410	60,087
12 Months or Longer	7,596	232,545
Total	51,006	292,632
Unrealized Losses
Less Than 12 Months	(152)	(223)
12 Months or Longer	(14)	(1,188)
Total	(166)	(1,411)
Obligations of state and political subdivisions
Fair Value
Less Than 12 Months	319	326
12 Months or Longer	5,371	9,064
Total	5,690	9,390
Unrealized Losses
Less Than 12 Months	(15)	(2)
12 Months or Longer	(1,434)	(1,094)
Total	$ (1,449)	(1,096)
Other Debt Securities
Fair Value
Less Than 12 Months		10,579
12 Months or Longer		0
Total		10,579
Unrealized Losses
Less Than 12 Months		(101)
12 Months or Longer		0
Total		$ (101)