Investment Securities - Summary of Contractual Maturities (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022
Securities available for sale
Amortized Cost, Due in 1 year or less	$ 0	$ 0	$ 12
Fair Value (Estimated), Due in 1 year or less	0	0	12
Amortized Cost, Due in 1 to 5 years	3,545	3,609	3,676
Fair Value (Estimated), Due in 1 to 5 years	3,359	3,409	3,576
Amortized Cost, Due in 5 to 10 years	20,275	18,591	18,172
Fair Value (Estimated), Due in 5 to 10 years	16,707	15,203	15,551
Amortized Cost, Due after 10 years	309,953	318,913	321,389
Fair Value (Estimated), Due after 10 years	258,289	265,897	282,598
Amortized Cost	333,773	341,113	343,249
Fair Value (Estimated)	278,355	284,509	301,737
Securities to be held to maturity
Amortized Cost, Due in 1 year or less	2,440	1,787	1,792
Fair Value (Estimated), Due in 1 year or less	2,435	1,782	1,794
Amortized Cost, Due in 1 to 5 years	14,594	14,998	14,852
Fair Value (Estimated), Due in 1 to 5 years	13,811	14,480	14,738
Amortized Cost, Due in 5 to 10 years	92,570	86,833	72,240
Fair Value (Estimated), Due in 5 to 10 years	85,504	81,443	69,510
Amortized Cost, Due after 10 years	280,811	290,278	290,809
Fair Value (Estimated), Due after 10 years	234,257	241,306	249,908
Amortized Cost	390,415	393,896	379,693
Securities to be held to maturity, Fair Value (Estimated)	$ 336,007	$ 339,011	$ 335,950