Securities - Summary of Maturities of Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Available-for-Sale Securities:
Available-for-Sale Securities, Amortized Cost	$ 115,174	$ 17,351
Held-to-Maturity Securities:
Held-to-Maturity Securities, Amortized Cost	934	1,743
Available-for-sale securities, at fair value (Note 4)	113,346	17,498
Held-to-maturity securities, at amortized cost ,fair value	914	1,722
U.S. Government Bonds
Available-for-Sale Securities:
Available-for-Sale Securities After one year through five years, Amortized Cost	2,981	2,651
Available-for-Sale Securities After five years through ten years, Amortized Cost		7,730
Available-for-Sale Securities, Amortized Cost	2,981	10,381
Held-to-Maturity Securities:
Available-for-Sale Securities After one year through five years, Amortized Cost	2,934	2,728
Available-for-Sale Securities After five years through ten years, Amortized Cost		7,735
Available-for-sale securities, at fair value (Note 4)	2,934	10,463
Corporate Bonds
Available-for-Sale Securities:
Available-for-Sale Securities After one year through five years, Amortized Cost	4,445
Available-for-Sale Securities After five years through ten years, Amortized Cost	16,798
Available-for-Sale Securities, Amortized Cost	21,243	10,381
Held-to-Maturity Securities:
Available-for-Sale Securities After one year through five years, Amortized Cost	4,381
Available-for-Sale Securities After five years through ten years, Amortized Cost	16,803
Available-for-sale securities, at fair value (Note 4)	21,184	10,463
Mortgage-Backed Securities
Available-for-Sale Securities:
Available-for-Sale Securities, Amortized Cost	90,950	6,970
Held-to-Maturity Securities:
Held-to-Maturity Securities, Amortized Cost	934
Available-for-sale securities, at fair value (Note 4)	89,228	7,035
Held-to-maturity securities, at amortized cost ,fair value	914
FHLMC Certificates
Available-for-Sale Securities:
Available-for-Sale Securities, Amortized Cost		3,201
Held-to-Maturity Securities:
Held-to-Maturity Securities, Amortized Cost		1,743
Available-for-sale securities, at fair value (Note 4)		3,196
Held-to-maturity securities, at amortized cost ,fair value	$ 914	$ 1,722

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