Investment Securities - Schedule of Amortized Cost and Estimated Fair Value of Debt Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Securities available-for-sale
Securities available-for-sale, Less than 1 year, Amortized Cost	$ 1,055	$ 11,573
Securities available-for-sale, 1 to 5 years, Amortized Cost	131,320	158,678
Securities available-for-sale, 5 to 10 years, Amortized Cost	87,732	70,856
Securities available-for-sale, After 10 years, Amortized Cost	87,541	75,147
Securities available-for-sale, before Residential mortgage-backed securities	307,648	316,254
Securities available-for-sale, Residential mortgage-backed securities	765,030	878,363
Securities available-for-sale
Securities available-for-sale, Less than 1 year, Fair Value	1,050	11,682
Securities available-for-sale, 1 to 5 years, Fair Value	116,893	157,799
Securities available-for-sale, 5 to 10 years, Fair Value	77,955	70,959
Securities available-for-sale, After 10 years, Fair Value	74,289	78,761
Securities available-for-sale, before Residential mortgage-backed securities Fair Value	270,187	319,201
Securities available-for-sale, Residential mortgage -backed securities Fair Value	662,210	876,759
Securities held-to-maturity
Securities held-to-maturity, 5 to 10 years, Amortized Cost	5,150	1,132
Securities held-to-maturity, After 10 years, Amortized Cost	57,756	49,050
Securities held-to-maturity, before Residential mortgage-backed securities	62,906	50,182
Securities available-for-sale, Residential mortgage-backed securities	132,835	50,182
Securities held-to-maturity, at amortized cost	132,835	50,182
Securities held-to-maturity, 5 to 10 years, Fair Value	4,164	1,132
Securities held-to-maturity, After 10 years, Fair Value	44,595	49,033
Securities held-to-maturity, before Residential mortgage-backed securities Fair Value	48,759	50,165
Securities available-for-sale, Residential mortgage -backed securities Fair Value	104,456	50,165
Securities held-to-maturity, Residential mortgage-backed securities Fair Value	104,456	50,165
Residential Mortgage - Backed
Securities available-for-sale
Securities available-for-sale, Residential mortgage-backed securities	457,382	562,109
Securities available-for-sale
Securities available-for-sale, Residential mortgage -backed securities Fair Value	392,023	$ 557,558
Securities held-to-maturity
Securities available-for-sale, Residential mortgage-backed securities	69,929
Securities held-to-maturity, at amortized cost	69,929
Securities available-for-sale, Residential mortgage -backed securities Fair Value	55,697
Securities held-to-maturity, Residential mortgage-backed securities Fair Value	$ 55,697

Available for sale debt securities amortized cost basis before residential mortgage-backed securities.

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Held-to-maturity debt securities amortized cost basis before residential mortgage backed securities.

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity).

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