Investment Securities - Schedule of Gross Unrealized Losses (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Debt Securities, Available-for-sale [Abstract]
Fair Value, Less than 12 months	$ 740,244	$ 40,403
Gross Unrealized Loss , Less than 12 months	(13,259)	(169)
Fair Value, 12 months or more	566,013	1,228,463
Gross Unrealized Loss , 12 months or more	(128,715)	(187,477)
Fair Value, Total	1,306,257	1,268,866
Gross Unrealized Loss , Total	(141,974)	(187,646)
U.S. government agency securities
Debt Securities, Available-for-sale [Abstract]
Fair Value, Less than 12 months	494,885	25,923
Gross Unrealized Loss , Less than 12 months	(1,908)	(21)
Fair Value, 12 months or more	714	14,040
Gross Unrealized Loss , 12 months or more	(9)	(1,156)
Fair Value, Total	495,599	39,963
Gross Unrealized Loss , Total	(1,917)	(1,177)
Mortgage-backed securities - residential
Debt Securities, Available-for-sale [Abstract]
Fair Value, Less than 12 months	209,078	0
Gross Unrealized Loss , Less than 12 months	(8,956)	0
Fair Value, 12 months or more	441,502	896,971
Gross Unrealized Loss , 12 months or more	(108,321)	(160,418)
Fair Value, Total	650,580	896,971
Gross Unrealized Loss , Total	(117,277)	(160,418)
Mortgage-backed securities - commercial
Debt Securities, Available-for-sale [Abstract]
Fair Value, Less than 12 months	2,222	0
Gross Unrealized Loss , Less than 12 months	(19)	0
Fair Value, 12 months or more	12,635	16,961
Gross Unrealized Loss , 12 months or more	(1,089)	(1,225)
Fair Value, Total	14,857	16,961
Gross Unrealized Loss , Total	(1,108)	(1,225)
Municipal securities
Debt Securities, Available-for-sale [Abstract]
Fair Value, Less than 12 months	34,059	14,480
Gross Unrealized Loss , Less than 12 months	(2,376)	(148)
Fair Value, 12 months or more	110,173	188,669
Gross Unrealized Loss , 12 months or more	(19,285)	(21,271)
Fair Value, Total	144,232	203,149
Gross Unrealized Loss , Total	(21,661)	(21,419)
U.S. Treasury securities
Debt Securities, Available-for-sale [Abstract]
Fair Value, Less than 12 months		0
Gross Unrealized Loss , Less than 12 months		0
Fair Value, 12 months or more		108,496
Gross Unrealized Loss , 12 months or more		(3,233)
Fair Value, Total		108,496
Gross Unrealized Loss , Total		(3,233)
Corporate securities
Debt Securities, Available-for-sale [Abstract]
Fair Value, Less than 12 months	0	0
Gross Unrealized Loss , Less than 12 months	0	0
Fair Value, 12 months or more	989	3,326
Gross Unrealized Loss , 12 months or more	(11)	(174)
Fair Value, Total	989	3,326
Gross Unrealized Loss , Total	$ (11)	$ (174)