Investments Securities (Amortized Cost and Fair Values Classified by Contractual Maturity Date) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Schedule of Investments [Line Items]
Amortized Cost: Due after one year through five years	$ 4,426
Amortized Cost: Due after five years through ten years	24,814
Amortized Cost: Due after ten years	75,304
Available For Sale Debt Maturities Amortized Cost Sub Total	104,544
Fair Value: Due after one year through five years	4,535
Fair Value: Due after five years through ten years	25,710
Fair Value: Due after ten years	70,062
Available for sale debt maturities fair value sub total	100,307
Available-for-sale Securities, Amortized Cost Basis	230,464	$ 135,008
Available-for-sale Securities	226,885	131,305
Amortized Cost: Due after ten years, Held to maturity	20,602
Amortized Cost: Total, Held to maturity	20,602
Fair Value: Due after ten years, Held to maturity	28,171
Fair Value: Total, Held to maturity	28,171
Held-to-maturity Securities	68,263	93,979
Held-to-maturity securities, fair value	77,612	100,656
Residential mortgage-backed agencies [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Amortized Cost Basis	22,999
Available-for-sale Securities	22,899
Held-to-maturity Securities	34,597	42,939
Held-to-maturity securities, fair value	35,732	43,253
Commercial mortgage-backed agencies [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Amortized Cost Basis	32,549	27,634
Available-for-sale Securities	33,042	27,764
Held-to-maturity Securities	11,716	15,521
Held-to-maturity securities, fair value	12,303	15,865
Collateralized mortgage obligations [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Amortized Cost Basis	70,372	29,903
Available-for-sale Securities	70,637	29,923
Held-to-maturity Securities	1,348	3,140
Held-to-maturity securities, fair value	$ 1,406	$ 3,143