Investment Securities - Amortized Cost and Estimated Fair Value of Debt Investments by Contractual Maturity (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Available-for-sale securities, debt maturities, amortized cost [Abstract]
Due in one year or less	$ 4,576
Due after one year through five years	9,068
Due after five years through ten years	37,654
Due after ten years	64,864
Sub-total	116,162
Amortized cost	214,362	$ 189,813
Available-for-sale securities, debt maturities, Estimated Fair Value [Abstract]
Due in one year or less	5,309
Due after one year through five years	8,811
Due after five years through ten years	34,856
Due after ten years	61,030
Sub-total	110,006
Available-for-sale securities, debt maturities, fair value, totals	202,961
Held-to-maturity Securities, debt maturities, amortized cost [Abstract]
Due in one year or less	2,825
Due after one year through five years	11,012
Due after five years through ten years	43,401
Due after ten years	25,179
Sub-total	82,417
Held-to-maturity securities, debt maturities, Amortized Cost	181,532	160,923
Held-to-maturity Securities, debt maturities, Estimated Fair Value [Abstract]
Due in one year or less	2,826
Due after one year through five years	10,842
Due after five years through ten years	42,090
Due after ten years	23,133
Sub-total	78,891
Held-to-maturity securities at fair value	174,558	162,805
Residential Mortgage-Backed - US Agency [Member]
Available-for-sale securities, debt maturities, amortized cost [Abstract]
Amortized cost	21,667	22,482
Available-for-sale securities, debt maturities, Estimated Fair Value [Abstract]
Available-for-sale securities, debt maturities, fair value, totals	20,408
Held-to-maturity Securities, debt maturities, amortized cost [Abstract]
Held-to-maturity securities, debt maturities, Amortized Cost	7,764	9,740
Held-to-maturity Securities, debt maturities, Estimated Fair Value [Abstract]
Held-to-maturity securities at fair value	7,364	9,999
Collateralized Mortgage Obligations - US Agency [Member]
Available-for-sale securities, debt maturities, amortized cost [Abstract]
Amortized cost	10,314	12,658
Available-for-sale securities, debt maturities, Estimated Fair Value [Abstract]
Available-for-sale securities, debt maturities, fair value, totals	9,400
Held-to-maturity Securities, debt maturities, amortized cost [Abstract]
Held-to-maturity securities, debt maturities, Amortized Cost	15,775	11,362
Held-to-maturity Securities, debt maturities, Estimated Fair Value [Abstract]
Held-to-maturity securities at fair value	15,132	11,720
Collateralized Mortgage Obligations - Private Label [Member]
Available-for-sale securities, debt maturities, amortized cost [Abstract]
Amortized cost	66,219	56,848
Available-for-sale securities, debt maturities, Estimated Fair Value [Abstract]
Available-for-sale securities, debt maturities, fair value, totals	63,147
Held-to-maturity Securities, debt maturities, amortized cost [Abstract]
Held-to-maturity securities, debt maturities, Amortized Cost	75,576	64,105
Held-to-maturity Securities, debt maturities, Estimated Fair Value [Abstract]
Held-to-maturity securities at fair value	$ 73,171	$ 64,065