Investments (Amortized Cost and Fair Values Classified by Contractual Maturity Date) (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Schedule of Investments [Line Items]
Amortized Cost: Due after one year through five years	$ 4,411
Amortized Cost: Due after five years through ten years	10,063
Amortized Cost: Due after ten years	73,225
Available For Sale Debt Maturities Amortized Cost Sub Total	87,699
Fair Value: Due after one year through five years	4,489
Fair Value: Due after five years through ten years	10,238
Fair Value: Due after ten years	69,458
Available For Sale Debt Maturities Fair Value Sub Total	84,185
Available-for-sale Securities, Amortized Cost Basis	247,646	$ 230,464
Available-for-sale Securities	242,013	226,885
Amortized Cost: Due after ten years, Held to maturity	20,223
Fair Value: Due after ten years, Held to maturity	29,164
Held-to-maturity Securities	65,683	68,263
Held-to-maturity securities, fair value	75,574	77,612
Residential mortgage-backed agencies [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Amortized Cost Basis	32,027	22,999
Available-for-sale Securities	31,482	22,899
Held-to-maturity Securities	35,595	34,597
Held-to-maturity securities, fair value	36,147	35,732
Commercial mortgage-backed agencies [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Amortized Cost Basis	54,361	32,549
Available-for-sale Securities	54,190	33,042
Held-to-maturity Securities	9,747	11,716
Held-to-maturity securities, fair value	10,144	12,303
Collateralized mortgage obligations [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Amortized Cost Basis	73,559	70,372
Available-for-sale Securities	72,156	70,637
Held-to-maturity Securities	118	1,348
Held-to-maturity securities, fair value	$ 119	$ 1,406

Available For Sale Debt Maturities Amortized Cost Sub Total

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