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Investment Securities - Summary of Available-for-Sale Investment Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	$ 712,028	$ 617,947
Gross unrealized gains	2,271	485
Gross unrealized losses	(79,923)	(90,885)
Fair value	634,376	527,547
U.S. Treasury securities
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	72,507	24,958
Gross unrealized gains	756
Gross unrealized losses		(84)
Fair value	73,263	24,874
Residential mortgage pass-through securities issued or guaranteed by U.S. government agencies or sponsored enterprises
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	228,732	164,785
Gross unrealized gains	588	53
Gross unrealized losses	(25,075)	(29,793)
Fair value	204,245	135,045
Other residential MBS issued or guaranteed by U.S. government agencies or sponsored enterprises
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	408,063	425,476
Gross unrealized gains	927	432
Gross unrealized losses	(54,821)	(60,970)
Fair value	354,169	364,938
Corporate debt
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	2,000	2,000
Gross unrealized losses	(27)	(38)
Fair value	1,973	1,962
Other securities
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	726	728
Fair value	$ 726	$ 728

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