Investment Securities - Summary of Credit Quality Indicators of Available-for-Sale Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Schedule of Available-for-sale Securities [Line Items]
Investment securities available-for-sale (at fair value)	$ 527,547	$ 628,829
AA+
Schedule of Available-for-sale Securities [Line Items]
Investment securities available-for-sale (at fair value)	524,857
AAA
Schedule of Available-for-sale Securities [Line Items]
Investment securities available-for-sale (at fair value)		626,095
Not Rated
Schedule of Available-for-sale Securities [Line Items]
Investment securities available-for-sale (at fair value)	2,690	2,734
U.S. Treasury securities
Schedule of Available-for-sale Securities [Line Items]
Investment securities available-for-sale (at fair value)	24,874	73,044
U.S. Treasury securities | AA+
Schedule of Available-for-sale Securities [Line Items]
Investment securities available-for-sale (at fair value)	24,874
U.S. Treasury securities | AAA
Schedule of Available-for-sale Securities [Line Items]
Investment securities available-for-sale (at fair value)		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]
Investment securities available-for-sale (at fair value)	135,045	201,809
Residential mortgage pass-through securities issued or guaranteed by U.S. government agencies or sponsored enterprises | AA+
Schedule of Available-for-sale Securities [Line Items]
Investment securities available-for-sale (at fair value)	135,045
Residential mortgage pass-through securities issued or guaranteed by U.S. government agencies or sponsored enterprises | AAA
Schedule of Available-for-sale Securities [Line Items]
Investment securities available-for-sale (at fair value)		201,809
Other residential MBS issued or guaranteed by U.S. government agencies or sponsored enterprises
Schedule of Available-for-sale Securities [Line Items]
Investment securities available-for-sale (at fair value)	364,938	351,242
Other residential MBS issued or guaranteed by U.S. government agencies or sponsored enterprises | AA+
Schedule of Available-for-sale Securities [Line Items]
Investment securities available-for-sale (at fair value)	364,938
Other residential MBS issued or guaranteed by U.S. government agencies or sponsored enterprises | AAA
Schedule of Available-for-sale Securities [Line Items]
Investment securities available-for-sale (at fair value)		351,242
Municipal securities
Schedule of Available-for-sale Securities [Line Items]
Investment securities available-for-sale (at fair value)		79
Municipal securities | Not Rated
Schedule of Available-for-sale Securities [Line Items]
Investment securities available-for-sale (at fair value)		79
Corporate debt
Schedule of Available-for-sale Securities [Line Items]
Investment securities available-for-sale (at fair value)	1,962	1,843
Corporate debt | Not Rated
Schedule of Available-for-sale Securities [Line Items]
Investment securities available-for-sale (at fair value)	1,962	1,843
Other securities
Schedule of Available-for-sale Securities [Line Items]
Investment securities available-for-sale (at fair value)	728	812
Other securities | Not Rated
Schedule of Available-for-sale Securities [Line Items]
Investment securities available-for-sale (at fair value)	$ 728	$ 812