Investment Securities (Amortized Cost and Fair Value of Investment Securities) (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Schedule of Debt Securities Available For Sale and Held To Maturity Securities [Line Item]
Securities available for sale, Amortized Cost	$ 1,183,305	$ 1,184,835
Securities available for sale, Unrealized Gains	370	8,446
Securities available for sale, Unrealized Losses	126,657	14,766
Securities available for sale	1,057,018	1,178,515
Securities held to maturity, Amortized Cost	204,938	205,586
Securities held to maturity, Unrealized Gains	111	4,683
Securities held to maturity, Unrealized Losses	9,598	449
Securities held to maturity, fair value	195,451	209,820
Allowance for credit losses, Amortized Cost	(5)	(5)
Held-to-maturity securities, net , Amortized Cost	204,933	205,581
U.S. Government Agency 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	2,345	97
Securities available for sale	22,190	15,891
Securities held to maturity, Amortized Cost	16,288
Securities held to maturity, Unrealized Losses	105
Securities held to maturity, fair value	16,183
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	105,978	111,399
Securities held to maturity, Unrealized Gains	106	2,412
Securities held to maturity, Unrealized Losses	5,618	300
Securities held to maturity, fair value	100,466	113,511
Collateralized Mortgage Obligations [Member] \| 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	13,188	15,346
Securities available for sale, Unrealized Gains	0	26
Securities available for sale, Unrealized Losses	1,770	433
Securities available for sale	11,418	14,939
Securities held to maturity, Amortized Cost	16,312	19,485
Securities held to maturity, Unrealized Gains		368
Securities held to maturity, Unrealized Losses	619	3
Securities held to maturity, fair value	15,693	19,850
Collateralized Mortgage Obligations [Member] \| 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	22,734	25,257
Securities available for sale, Unrealized Gains	0	0
Securities available for sale, Unrealized Losses	2,773	477
Securities available for sale	19,961	24,780
Securities held to maturity, Amortized Cost	20,100	23,840
Securities held to maturity, Unrealized Gains	0	565
Securities held to maturity, Unrealized Losses	638	0
Securities held to maturity, fair value	19,462	24,405
Collateralized Mortgage Obligations [Member] \| 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	4,698	5,481
Securities held to maturity, Unrealized Gains	0	84
Securities held to maturity, Unrealized Losses	171	0
Securities held to maturity, fair value	4,527	5,565
Collateralized Mortgage Obligations [Member] \| 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	365	410
Securities available for sale, Unrealized Losses	0	0
Securities available for sale	365	410
Mortgage-Backed Securities [Member]
Schedule of Debt Securities Available For Sale and Held To Maturity Securities [Line Item]
Securities available for sale, Amortized Cost	1,158,770	1,169,042
Securities available for sale, Unrealized Gains	370	8,251
Securities available for sale, Unrealized Losses	124,312	14,669
Securities available for sale	1,034,828	1,162,624
Securities held to maturity, Amortized Cost	82,672	94,187
Securities held to maturity, Unrealized Gains	5	2,271
Securities held to maturity, Unrealized Losses	3,875	149
Securities held to maturity, fair value	78,802	96,309
Mortgage-Backed Securities [Member] \| 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	575,815	576,163
Securities available for sale, Unrealized Gains	2	6,565
Securities available for sale, Unrealized Losses	54,832	5,242
Securities available for sale	520,985	577,486
Securities held to maturity, Amortized Cost	8,844	9,275
Securities held to maturity, Unrealized Gains	4	411
Securities held to maturity, Unrealized Losses	305	0
Securities held to maturity, fair value	8,543	9,686
Mortgage-Backed Securities [Member] \| 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	430,099	430,010
Securities available for sale, Unrealized Gains	1	952
Securities available for sale, Unrealized Losses	52,524	6,435
Securities available for sale	377,576	424,527
Securities held to maturity, Amortized Cost	8,077	8,706
Securities held to maturity, Unrealized Gains	0	137
Securities held to maturity, Unrealized Losses	986	144
Securities held to maturity, fair value	7,091	8,699
Mortgage-Backed Securities [Member] \| 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	116,934	122,266
Securities available for sale, Unrealized Gains	2	298
Securities available for sale, Unrealized Losses	12,413	2,082
Securities available for sale	104,523	120,482
Securities held to maturity, Amortized Cost	24,641	27,400
Securities held to maturity, Unrealized Gains	1	706
Securities held to maturity, Unrealized Losses	1,156	2
Securities held to maturity, fair value	$ 23,486	$ 28,104

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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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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