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Investment Securities (Unrealized Gain (Loss) on Investments) (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Schedule of Investments [Line Items]
Available-for-sale debt securities, Amortized Cost	$ 5,033	$ 5,752
Available-for-sale debt securities, Unrealized Losses	18	4
Available-for-sale debt securities, Fair Value	5,015	5,748
Held-to-maturity debt securities, Amortized Cost	152,791	128,292
Held-to-maturity debt securities, Unrealized Gains	3,340	4,524
Held-to-maturity debt securities, Unrealized Losses	451	22
Held-to-maturity debt securities, Fair Value	155,680	132,794
Available-for-sale securities and Held-to-maturity debt securities, Amortized Cost	157,824	134,044
Available-for-sale securities and Held-to-maturity debt securities, Unrealized Gains	3,340	4,524
Available-for-sale securities and Held-to-maturity debt securities, Unrealized Losses	469	26
Available-for-sale securities and Held-to-maturity debt securities, Fair Value	160,695	138,542
U.S. Government Agencies [Member]
Schedule of Investments [Line Items]
Available-for-sale debt securities, Fair Value		2
U.S. Treasury and U.S. government agencies [Member]
Schedule of Investments [Line Items]
Held-to-maturity debt securities, Amortized Cost	43,732	11,511
Held-to-maturity debt securities, Unrealized Gains	24	66
Held-to-maturity debt securities, Unrealized Losses	334
Held-to-maturity debt securities, Fair Value	43,422	11,577
Mortgage-backed U.S. Government Agencies [Member]
Schedule of Investments [Line Items]
Available-for-sale debt securities, Amortized Cost	2	2
Available-for-sale debt securities, Fair Value	2	2
Held-to-maturity debt securities, Amortized Cost	27,799	40,810
Held-to-maturity debt securities, Unrealized Gains	690	948
Held-to-maturity debt securities, Unrealized Losses	3	15
Held-to-maturity debt securities, Fair Value	28,486	41,743
State and political subdivision obligations [Member]
Schedule of Investments [Line Items]
Held-to-maturity debt securities, Amortized Cost	67,251	65,449
Held-to-maturity debt securities, Unrealized Gains	2,475	3,295
Held-to-maturity debt securities, Unrealized Losses	39	6
Held-to-maturity debt securities, Fair Value	69,687	68,738
Corporate debt securities [Member]
Schedule of Investments [Line Items]
Available-for-sale debt securities, Amortized Cost	5,031	5,750
Available-for-sale debt securities, Unrealized Losses	18	4
Available-for-sale debt securities, Fair Value	5,013	5,746
Held-to-maturity debt securities, Amortized Cost	14,009	10,522
Held-to-maturity debt securities, Unrealized Gains	151	215
Held-to-maturity debt securities, Unrealized Losses	75	1
Held-to-maturity debt securities, Fair Value	$ 14,085	$ 10,736

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