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Investment Securities - Summary of Available-for-Sale Investment Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	$ 788,730	$ 727,819
Gross unrealized gains	78	57
Gross unrealized losses	(103,142)	(99,047)
Fair Value	685,666	628,829
U.S. Treasury Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	74,125	74,508
Gross unrealized gains	5
Gross unrealized losses	(1,479)	(1,464)
Fair Value	72,651	73,044
Residential Mortgage Pass-Through Securities Issued or Guaranteed by U.S. Government Agencies or Sponsored Enterprises [Member].
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	226,494	233,264
Gross unrealized gains	56	57
Gross unrealized losses	(32,974)	(31,512)
Fair Value	193,576	201,809
Other Residential MBS Issued or Guaranteed by U.S. Government Agencies or Sponsored Enterprises [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	485,221	417,155
Gross unrealized gains	17
Gross unrealized losses	(68,558)	(65,913)
Fair Value	416,680	351,242
Municipal Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	80	80
Gross unrealized losses	(1)	(1)
Fair Value	79	79
Corporate Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	2,000	2,000
Gross unrealized losses	(130)	(157)
Fair Value	1,870	1,843
Other Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	810	812
Fair Value	$ 810	$ 812

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