Investment Securities - Summary of Contractual Maturities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Securities available for sale
Amortized Cost, Due in 1 year or less	$ 0	$ 117
Fair Value (Estimated), Due in 1 year or less	0	120
Amortized Cost, Due in 1 to 5 years	5,004	17,718
Fair Value (Estimated), Due in 1 to 5 years	5,173	17,915
Amortized Cost, Due in 5 to 10 years	52,782	49,697
Fair Value (Estimated), Due in 1 to 5 years	53,057	51,001
Amortized Cost, Due after 10 years	264,955	239,504
Fair Value (Estimated), Due after 10 years	262,336	244,340
Amortized Cost	322,741	307,036
Fair Value (Estimated)	320,566	313,376
Debt Securities, Held-to-maturity, Maturity [Abstract]
Amortized Cost, Due in 1 year or less	2,515	3,607
Fair Value (Estimated), Due in 1 year or less	2,521	3,641
Amortized Cost, Due in 1 to 5 years	17,624	30,867
Fair Value (Estimated), Due in 1 to 5 years	18,338	31,792
Amortized Cost, Due in 5 to 10 years	174,982	183,679
Fair Value (Estimated), Due in 1 to 5 years	180,081	190,153
Amortized Cost, Due after 10 years	174,919	147,460
Fair Value (Estimated), Due after 10 years	174,387	151,548
Amortized Cost	370,040	365,613
Securities to be held to maturity, Fair Value (Estimated)	$ 375,327	$ 377,134