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Investment Securities - Summary of Available-for-Sale Investment Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	$ 794,649	$ 727,819
Gross unrealized gains	225	57
Gross unrealized losses	(103,798)	(99,047)
Fair Value	691,076	628,829
U.S. Treasury Securities
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	74,518	74,508
Gross unrealized gains	3
Gross unrealized losses	(1,333)	(1,464)
Fair Value	73,188	73,044
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	230,597	233,264
Gross unrealized gains	131	57
Gross unrealized losses	(33,668)	(31,512)
Fair Value	197,060	201,809
Other residential MBS issued or guaranteed by U.S. government agencies or sponsored enterprises
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	486,723	417,155
Gross unrealized gains	91
Gross unrealized losses	(68,685)	(65,913)
Fair Value	418,129	351,242
Municipal Securities
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	80	80
Gross unrealized losses		(1)
Fair Value	80	79
Corporate Debt
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	2,000	2,000
Gross unrealized losses	(112)	(157)
Fair Value	1,888	1,843
Other Securities
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	731	812
Fair Value	$ 731	$ 812

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