Investment Securities (Amortized Cost and Estimated Fair Values of Investment Securities) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, Amortized Cost	$ 116,906	$ 137,465
Available-for-sale, Pledged available-for-sale securities, Estimated Fair Value	4,159	3,626
Available-for-sale securities, Gross Unrealized Gains	1,339	2,254
Available-for-sale securities, Gross Unrealized Losses	1,263	151
Available-for-sale, at fair value	116,982	139,568
Held-to-maturity Securities, Amortized Cost	404,594	65,706
Held-to-maturity securities, Gross Unrealized Gains	418	185
Held-to-maturity securities, Gross Unrealized Losses	3,488	63
Held-to-maturity securities, Estimated Fair Value	401,524	65,828
Equity securities, at fair value	1,372	1,395
Fair value adjustment recorded through earnings	15,368	15,730
Accounting Standards Update 2016-01 [Member]
Schedule of Available-for-sale Securities [Line Items]
Equity securities, at fair value	1,400	1,400
Accounting Standards Update 2016-01 [Member] | Revision of Prior Period, Change in Accounting Principle, Adjustment [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair value adjustment recorded through earnings	(40)	28
Collateral Pledged [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, Amortized Cost	78,522	60,600
Available-for-sale, Pledged available-for-sale securities, Estimated Fair Value	78,352	61,094
Held-to-maturity Securities, Amortized Cost	913
Held-to-maturity securities, Estimated Fair Value	915
U.S. Government Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, Amortized Cost	22,932	23,600
Available-for-sale securities, Gross Unrealized Gains	7	20
Available-for-sale securities, Gross Unrealized Losses	634	83
Available-for-sale, at fair value	22,305	23,537
Held-to-maturity Securities, Amortized Cost	87,072	18,893
Held-to-maturity securities, Gross Unrealized Gains	20	38
Held-to-maturity securities, Gross Unrealized Losses	1,231	43
Held-to-maturity securities, Estimated Fair Value	85,861	18,888
States and Political Subdivisions [Member]
Schedule of Available-for-sale Securities [Line Items]
Held-to-maturity Securities, Amortized Cost	400	400
Held-to-maturity securities, Gross Unrealized Gains	2	1
Held-to-maturity securities, Estimated Fair Value	402	401
Mortgage-backed [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, Amortized Cost	91,948	113,865
Available-for-sale securities, Gross Unrealized Gains	1,318	2,234
Available-for-sale securities, Gross Unrealized Losses	629	68
Available-for-sale, at fair value	92,637	116,031
Held-to-maturity Securities, Amortized Cost	302,604	27,347
Held-to-maturity securities, Gross Unrealized Gains	301	7
Held-to-maturity securities, Gross Unrealized Losses	2,248	18
Held-to-maturity securities, Estimated Fair Value	300,657	27,336
Other Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, Amortized Cost	2,026
Available-for-sale securities, Gross Unrealized Gains	14
Available-for-sale, at fair value	2,040
Held-to-maturity Securities, Amortized Cost	14,518	19,066
Held-to-maturity securities, Gross Unrealized Gains	95	139
Held-to-maturity securities, Gross Unrealized Losses	9	2
Held-to-maturity securities, Estimated Fair Value	$ 14,604	$ 19,203