Investment Securities - Schedule of Gross Unrealized Losses (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Debt Securities, Available-for-sale [Abstract]
Fair Value, Less than 12 months	$ 607,055	$ 740,244
Gross Unrealized Loss , Less than 12 months	(4,441)	(13,259)
Fair Value, 12 months or more	333,092	566,013
Gross Unrealized Loss , 12 months or more	(59,609)	(128,715)
Fair Value, Total	940,147	1,306,257
Gross Unrealized Loss , Total	(64,050)	(141,974)
U.S. government agency securities
Debt Securities, Available-for-sale [Abstract]
Fair Value, Less than 12 months	286,027	494,885
Gross Unrealized Loss , Less than 12 months	(655)	(1,908)
Fair Value, 12 months or more	29,559	714
Gross Unrealized Loss , 12 months or more	(195)	(9)
Fair Value, Total	315,586	495,599
Gross Unrealized Loss , Total	(850)	(1,917)
Mortgage-backed securities - residential
Debt Securities, Available-for-sale [Abstract]
Fair Value, Less than 12 months	307,687	209,078
Gross Unrealized Loss , Less than 12 months	(3,453)	(8,956)
Fair Value, 12 months or more	167,794	441,502
Gross Unrealized Loss , 12 months or more	(33,238)	(108,321)
Fair Value, Total	475,481	650,580
Gross Unrealized Loss , Total	(36,691)	(117,277)
Mortgage-backed securities - commercial
Debt Securities, Available-for-sale [Abstract]
Fair Value, Less than 12 months	0	2,222
Gross Unrealized Loss , Less than 12 months	0	(19)
Fair Value, 12 months or more	8,752	12,635
Gross Unrealized Loss , 12 months or more	(610)	(1,089)
Fair Value, Total	8,752	14,857
Gross Unrealized Loss , Total	(610)	(1,108)
Municipal securities
Debt Securities, Available-for-sale [Abstract]
Fair Value, Less than 12 months	13,341	34,059
Gross Unrealized Loss , Less than 12 months	(333)	(2,376)
Fair Value, 12 months or more	126,009	110,173
Gross Unrealized Loss , 12 months or more	(25,544)	(19,285)
Fair Value, Total	139,350	144,232
Gross Unrealized Loss , Total	(25,877)	(21,661)
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	978	989
Gross Unrealized Loss , 12 months or more	(22)	(11)
Fair Value, Total	978	989
Gross Unrealized Loss , Total	$ (22)	$ (11)

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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