Investment Securities (Amortized Cost and Fair Value of Investment Securities) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Schedule of Debt Securities Available For Sale and Held To Maturity Securities [Line Item]
Securities available for sale, Amortized Cost	$ 1,127,057	$ 1,184,835
Securities available for sale, Unrealized Gains	338	8,446
Securities available for sale, Unrealized Losses	173,024	14,766
Securities available for sale	954,371	1,178,515
Securities held to maturity, Amortized Cost	188,980	205,586
Securities held to maturity, Unrealized Gains	24	4,683
Securities held to maturity, Unrealized Losses	14,816	449
Securities held to maturity, fair value	174,188	209,820
Allowance for credit losses, Amortized Cost	(5)	(5)
Held To Maturity Securities Net	188,975	205,581
U.S. Government Agencies And Government Sponsored Enterprises [Member]
Schedule of Debt Securities Available For Sale and Held To Maturity Securities [Line Item]
Securities available for sale, Amortized Cost	24,535	15,793
Securities available for sale, Unrealized Gains	0	195
Securities available for sale, Unrealized Losses	3,420	97
Securities available for sale	21,115	15,891
Securities held to maturity, Amortized Cost	16,363
Securities held to maturity, Unrealized Gains	0
Securities held to maturity, Unrealized Losses	848
Securities held to maturity, fair value	15,515
State And Political Subdivisions [Member]
Schedule of Debt Securities Available For Sale and Held To Maturity Securities [Line Item]
Securities held to maturity, Amortized Cost	97,583	111,399
Securities held to maturity, Unrealized Gains	24	2,412
Securities held to maturity, Unrealized Losses	7,172	300
Securities held to maturity, fair value	90,435	113,511
Mortgage-Backed Securities, Federal National Mortgage Association [Member]
Schedule of Debt Securities Available For Sale and Held To Maturity Securities [Line Item]
Securities available for sale, Amortized Cost	545,797	576,163
Securities available for sale, Unrealized Gains	0	6,565
Securities available for sale, Unrealized Losses	76,193	5,242
Securities available for sale	469,604	577,486
Securities held to maturity, Amortized Cost	8,332	9,275
Securities held to maturity, Unrealized Gains	0	411
Securities held to maturity, Unrealized Losses	582	0
Securities held to maturity, fair value	7,750	9,686
Mortgage-Backed Securities, Federal Home Loan Mortgage Corporation [Member]
Schedule of Debt Securities Available For Sale and Held To Maturity Securities [Line Item]
Securities available for sale, Amortized Cost	410,829	430,010
Securities available for sale, Unrealized Gains	0	952
Securities available for sale, Unrealized Losses	68,608	6,435
Securities available for sale	342,221	424,527
Securities held to maturity, Amortized Cost	7,959	8,706
Securities held to maturity, Unrealized Gains	0	137
Securities held to maturity, Unrealized Losses	1,396	144
Securities held to maturity, fair value	6,563	8,699
Mortgage-Backed Securities, Government National Mortgage Association [Member]
Schedule of Debt Securities Available For Sale and Held To Maturity Securities [Line Item]
Securities available for sale, Amortized Cost	112,202	122,266
Securities available for sale, Unrealized Gains	1	298
Securities available for sale, Unrealized Losses	18,037	2,082
Securities available for sale	94,166	120,482
Securities held to maturity, Amortized Cost	22,541	27,400
Securities held to maturity, Unrealized Gains	0	706
Securities held to maturity, Unrealized Losses	2,116	2
Securities held to maturity, fair value	20,425	28,104
Collateralized Mortgage Obligations, Federal National Mortgage Association [Member]
Schedule of Debt Securities Available For Sale and Held To Maturity Securities [Line Item]
Securities available for sale, Amortized Cost	12,175	15,346
Securities available for sale, Unrealized Gains	0	26
Securities available for sale, Unrealized Losses	2,603	433
Securities available for sale	9,572	14,939
Securities held to maturity, Amortized Cost		19,485
Securities held to maturity, Unrealized Gains		368
Securities held to maturity, Unrealized Losses		3
Securities held to maturity, fair value		19,850
Collateralized Mortgage Obligations, Federal National Mortgage Association [Member] \| Federal National Mortgage Association [Member]
Schedule of Debt Securities Available For Sale and Held To Maturity Securities [Line Item]
Securities held to maturity, Amortized Cost	14,268
Securities held to maturity, Unrealized Gains	0
Securities held to maturity, Unrealized Losses	1,119
Securities held to maturity, fair value	13,149
Collateralized Mortgage Obligations, Federal Home Loan Mortgage Corporation [Member]
Schedule of Debt Securities Available For Sale and Held To Maturity Securities [Line Item]
Securities available for sale, Amortized Cost	21,519	25,257
Securities available for sale, Unrealized Gains	0	0
Securities available for sale, Unrealized Losses	4,163	477
Securities available for sale	17,356	24,780
Securities held to maturity, Amortized Cost	17,712	23,840
Securities held to maturity, Unrealized Gains		565
Securities held to maturity, Unrealized Losses	1,253	0
Securities held to maturity, fair value	16,459	24,405
Collateralized Mortgage Obligations, Privately Issued [Member]
Schedule of Debt Securities Available For Sale and Held To Maturity Securities [Line Item]
Securities available for sale, Amortized Cost	0	0
Securities available for sale, Unrealized Gains	337	410
Securities available for sale, Unrealized Losses	0	0
Securities available for sale	337	410
Securities held to maturity, Amortized Cost	4,222
Securities held to maturity, Unrealized Gains	0
Securities held to maturity, Unrealized Losses	330
Securities held to maturity, fair value	3,892
Collateralized Mortgage Obligations, Government National Mortgage Association [Member]
Schedule of Debt Securities Available For Sale and Held To Maturity Securities [Line Item]
Securities held to maturity, Amortized Cost		5,481
Securities held to maturity, Unrealized Gains		84
Securities held to maturity, Unrealized Losses		0
Securities held to maturity, fair value		5,565
Mortgage-Backed Securities [Member]
Schedule of Debt Securities Available For Sale and Held To Maturity Securities [Line Item]
Securities available for sale, Amortized Cost	1,102,522	1,169,042
Securities available for sale, Unrealized Gains	338	8,251
Securities available for sale, Unrealized Losses	169,604	14,669
Securities available for sale	933,256	1,162,624
Securities held to maturity, Amortized Cost	75,034	94,187
Securities held to maturity, Unrealized Gains	0	2,271
Securities held to maturity, Unrealized Losses	6,796	149
Securities held to maturity, fair value	$ 68,238	$ 96,309

Allowance for credit losses, amortized cost.

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Debt securities available for sale and held to maturity securities.

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Held-to-maturity securities, net.

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Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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