Investment Securities (Amortized Cost and Fair Value of Investment Securities) (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Schedule of Debt Securities Available For Sale and Held To Maturity Securities [Line Item]
Securities available for sale, Amortized Cost	$ 1,037,990	$ 1,127,057
Securities available for sale, Unrealized Gains	1,286	338
Securities available for sale, Unrealized Losses	151,546	173,024
Securities available for sale	887,730	954,371
Securities held to maturity, Amortized Cost	148,160	188,980
Securities held to maturity, Unrealized Gains	34	24
Securities held to maturity, Unrealized Losses	11,164	14,816
Securities held to maturity, fair value	137,030	174,188
Allowance for credit losses, Amortized Cost	(4)	(5)
Held To Maturity Securities Net	148,156	188,975
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	24,535
Securities available for sale, Unrealized Gains	0	0
Securities available for sale, Unrealized Losses	2,724	3,420
Securities available for sale	21,811	21,115
Securities held to maturity, Amortized Cost	16,513	16,363
Securities held to maturity, Unrealized Gains	0	0
Securities held to maturity, Unrealized Losses	530	848
Securities held to maturity, fair value	15,983	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	68,854	97,583
Securities held to maturity, Unrealized Gains	34	24
Securities held to maturity, Unrealized Losses	5,106	7,172
Securities held to maturity, fair value	63,782	90,435
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	449,418	545,797
Securities available for sale, Unrealized Gains	0	0
Securities available for sale, Unrealized Losses	61,219	76,193
Securities available for sale	388,199	469,604
Securities held to maturity, Amortized Cost	5,729	8,332
Securities held to maturity, Unrealized Gains	0	0
Securities held to maturity, Unrealized Losses	467	582
Securities held to maturity, fair value	5,262	7,750
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	402,399	410,829
Securities available for sale, Unrealized Gains	488	0
Securities available for sale, Unrealized Losses	59,665	68,608
Securities available for sale	343,222	342,221
Securities held to maturity, Amortized Cost	7,648	7,959
Securities held to maturity, Unrealized Gains	0	0
Securities held to maturity, Unrealized Losses	1,269	1,396
Securities held to maturity, fair value	6,379	6,563
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	126,417	112,202
Securities available for sale, Unrealized Gains	252	1
Securities available for sale, Unrealized Losses	21,409	18,037
Securities available for sale	105,260	94,166
Securities held to maturity, Amortized Cost	20,223	22,541
Securities held to maturity, Unrealized Gains	0	0
Securities held to maturity, Unrealized Losses	1,703	2,116
Securities held to maturity, fair value	18,520	20,425
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	10,954	12,175
Securities available for sale, Unrealized Gains	0	0
Securities available for sale, Unrealized Losses	2,343	2,603
Securities available for sale	8,611	9,572
Securities held to maturity, Amortized Cost	11,432	14,268
Securities held to maturity, Unrealized Gains	0	0
Securities held to maturity, Unrealized Losses	851	1,119
Securities held to maturity, fair value	10,581	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	19,766	21,519
Securities available for sale, Unrealized Gains	0	0
Securities available for sale, Unrealized Losses	4,186	4,163
Securities available for sale	15,580	17,356
Securities held to maturity, Amortized Cost	14,196	17,712
Securities held to maturity, Unrealized Gains	0	0
Securities held to maturity, Unrealized Losses	968	1,253
Securities held to maturity, fair value	13,228	16,459
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	325	337
Securities available for sale, Unrealized Losses	0	0
Securities available for sale	325	337
Collateralized Mortgage Obligations 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	4,501
Securities available for sale, Unrealized Gains	221
Securities available for sale, Unrealized Losses	0
Securities available for sale	4,722
Securities held to maturity, Amortized Cost	3,565	4,222
Securities held to maturity, Unrealized Gains	0	0
Securities held to maturity, Unrealized Losses	270	330
Securities held to maturity, fair value	3,295	3,892
Mortgage-Backed Securities [Member]
Schedule of Debt Securities Available For Sale and Held To Maturity Securities [Line Item]
Securities available for sale, Amortized Cost	1,013,455	1,102,522
Securities available for sale, Unrealized Gains	1,286	338
Securities available for sale, Unrealized Losses	148,822	169,604
Securities available for sale	865,919	933,256
Securities held to maturity, Amortized Cost	62,793	75,034
Securities held to maturity, Unrealized Gains	0	0
Securities held to maturity, Unrealized Losses	5,528	6,796
Securities held to maturity, fair value	$ 57,265	$ 68,238

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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Amount of accumulated unrecognized gain on investment in debt security measured at amortized cost (held-to-maturity).

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