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Investment Securities - Summary of Available-for-Sale Investment Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	$ 704,465	$ 617,947
Gross unrealized gains	2,946	485
Gross unrealized losses	(75,464)	(90,885)
Fair value	631,947	527,547
U.S. Treasury securities
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	72,717	24,958
Gross unrealized gains	981
Gross unrealized losses		(84)
Fair value	73,698	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	238,874	164,785
Gross unrealized gains	943	53
Gross unrealized losses	(23,815)	(29,793)
Fair value	216,002	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	390,149	425,476
Gross unrealized gains	1,022	432
Gross unrealized losses	(51,639)	(60,970)
Fair value	339,532	364,938
Corporate debt
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	2,000	2,000
Gross unrealized losses	(10)	(38)
Fair value	1,990	1,962
Other securities
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	725	728
Fair value	$ 725	$ 728

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