Investment Securities - Scheduled Maturities of Investment Securities Available-for-Sale and Held-to-Maturity (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Investments, Debt and Equity Securities [Abstract]
Available-for-sale, maturing within one year, amortized cost	$ 511
Available-for-sale, maturing after one to five years, amortized cost	61,068
Available-for-sale, maturing after five to ten years, amortized cost	67,309
Available-for-sale, maturing after ten years, amortized cost	12,995
Available-for-sale, amortized cost	141,883	$ 130,676
Available-for-sale, maturing within one year, estimated fair value	511
Available-for-sale, maturing after one to five years, estimated fair value	57,159
Available-for-sale, maturing after five to ten years, estimated fair value	60,872
Available-for-sale, maturing after ten years, estimated fair value	12,253
Available-for-sale, amortized cost	130,795	130,883
Held-to-maturity, maturing after five to ten years, amortized cost	1,606
Held-to-maturity, maturing after ten years, amortized cost	256
Held-to-maturity, amortized cost	1,862	3,436
Held-to-maturity, maturity after five to ten years, estimated fair value	1,536
Held-to-maturity, maturing after ten years, estimated fair value	233
Held-to-maturity, amortized cost	$ 1,769	$ 3,477