Securities - Summary of Maturities of Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Available-for-Sale Securities:
Available-for-Sale Securities, Amortized Cost	$ 155,127	$ 115,174
Available-for-sale securities, at fair value (Note 4)	131,977	113,346
Available-for-Sale Securities, Amortized Cost	155,127	115,174
Held-to-Maturity Securities:
Held To Maturity Securities, Amortized Cost	494,297	934
Held-to-maturity securities, at amortized cost ,fair value	479,302	914
Corporate Bonds
Available-for-Sale Securities:
Available-for-Sale Securities After one year through five years, Amortized Cost	4,000	4,445
Available-for-Sale Securities After five years through ten years, Amortized Cost	21,833	16,798
Available-for-Sale Securities, Amortized Cost	25,833	21,243
Available-for-Sale Securities After one year through five years, Amortized Cost	3,684	4,381
Available-for-Sale Securities After five years through ten years, Amortized Cost	19,674	16,803
Available-for-sale securities, at fair value (Note 4)	23,358	21,184
Available-for-Sale Securities, Amortized Cost	25,833	21,243
Held-to-Maturity Securities:
Held-to-Maturity Securities, More than one year through five years, Amortized Cost	75,000
Held-to-Maturity Securities, More than five years through ten years, Amortized Cost	5,500
Held To Maturity Securities, Amortized Cost	80,500
Held-to-Maturity Securities, More than one year through five years, Fair Value	72,119
Held-to-Maturity Securities, More than five years through ten years, Fair Value	5,139
Held-to-maturity securities, at amortized cost ,fair value	77,258
U.S. Government Bonds
Available-for-Sale Securities:
Available-for-Sale Securities After one year through five years, Amortized Cost	2,984	2,981
Available-for-Sale Securities, Amortized Cost	2,984	2,981
Available-for-Sale Securities After one year through five years, Amortized Cost	2,659	2,934
Available-for-sale securities, at fair value (Note 4)	2,659	2,934
Available-for-Sale Securities, Amortized Cost	2,984	2,981
Mortgage-Backed Securities
Available-for-Sale Securities:
Available-for-Sale Securities, Amortized Cost	388,797	90,950
Available-for-sale securities, at fair value (Note 4)	377,352	89,228
Available-for-Sale Securities, Amortized Cost	388,797	90,950
Held-to-Maturity Securities:
Held To Maturity Securities, Amortized Cost	126,310
Held-to-maturity securities, at amortized cost ,fair value	105,960
FHLMC Certificates
Available-for-Sale Securities:
Available-for-Sale Securities, Amortized Cost	11,614
Available-for-sale securities, at fair value (Note 4)	9,793
Available-for-Sale Securities, Amortized Cost	11,614
Held-to-Maturity Securities:
Held To Maturity Securities, Amortized Cost		934
Held-to-maturity securities, at amortized cost ,fair value	3,874	$ 914
US Agency Bonds
Held-to-Maturity Securities:
Held-to-Maturity Securities, More than one year through five years, Amortized Cost	25,000
Held To Maturity Securities, Amortized Cost	25,000
Held-to-Maturity Securities, More than one year through five years, Fair Value	24,692
Held-to-maturity securities, at amortized cost ,fair value	$ 24,692

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