Investment Securities (Amortized Cost and Estimated Fair Values of Investment Securities) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, Amortized Cost	$ 95,999	$ 116,906
Available-for-sale securities, Gross Unrealized Gains	7	1,339
Available-for-sale securities, Gross Unrealized Losses	12,419	1,263
Available-for-sale, at fair value	83,587	116,982
Held-to-maturity Securities, Amortized Cost	559,455	404,594
Held-to-maturity securities, Gross Unrealized Gains	35	418
Held-to-maturity securities, Gross Unrealized Losses	64,863	3,488
Held-to-maturity securities, Estimated Fair Value	494,627	401,524
Equity securities, at fair value	1,233	1,372
Fair value adjustment recorded through earnings	31,177	15,368
U.S. Government Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, Amortized Cost	21,798	22,932
Available-for-sale securities, Gross Unrealized Gains	5	7
Available-for-sale securities, Gross Unrealized Losses	3,625	634
Available-for-sale, at fair value	18,178	22,305
Held-to-maturity Securities, Amortized Cost	148,097	87,072
Held-to-maturity securities, Gross Unrealized Gains		20
Held-to-maturity securities, Gross Unrealized Losses	13,601	1,231
Held-to-maturity securities, Estimated Fair Value	134,496	85,861
States and Political Subdivisions [Member]
Schedule of Available-for-sale Securities [Line Items]
Held-to-maturity Securities, Amortized Cost	1,474	400
Held-to-maturity securities, Gross Unrealized Gains	35	2
Held-to-maturity securities, Gross Unrealized Losses	28
Held-to-maturity securities, Estimated Fair Value	1,481	402
Mortgage-backed [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, Amortized Cost	72,183	91,948
Available-for-sale securities, Gross Unrealized Gains	2	1,318
Available-for-sale securities, Gross Unrealized Losses	8,666	629
Available-for-sale, at fair value	63,519	92,637
Held-to-maturity Securities, Amortized Cost	398,884	302,604
Held-to-maturity securities, Gross Unrealized Gains		301
Held-to-maturity securities, Gross Unrealized Losses	50,464	2,248
Held-to-maturity securities, Estimated Fair Value	348,420	300,657
Other debt securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, Amortized Cost	2,018	2,026
Available-for-sale securities, Gross Unrealized Gains		14
Available-for-sale securities, Gross Unrealized Losses	128
Available-for-sale, at fair value	1,890	2,040
Held-to-maturity Securities, Amortized Cost	11,000	14,518
Held-to-maturity securities, Gross Unrealized Gains		95
Held-to-maturity securities, Gross Unrealized Losses	770	9
Held-to-maturity securities, Estimated Fair Value	$ 10,230	$ 14,604