Investment Securities (Investments Gross Unrealized Losses and Fair Value) (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, Less than 12 months, Fair Value	$ 750,814	$ 773,484
Securities available for sale, Less than 12 months, Unrealized Losses	77,422	10,039
Securities available for sale, 12 months or longer, Fair Value	305,309	172,180
Securities available for sale, 12 months or longer, Unrealized Losses	49,235	4,727
Securities available for sale, Fair Value, Total	1,056,123	945,664
Securities available for sale, Unrealized Losses, Total	126,657	14,766
Total Securities, Less than 12 months, Fair Value	750,814	773,484
Total Securities, Less than 12 months, Unrealized Losses	77,422	10,039
Total Securities, 12 months or longer, Fair Value	305,309	172,180
Total Securities, 12 months or longer, Unrealized Losses	49,235	4,727
Total Securities, Fair Value	1,056,123	945,664
Total Securities, Unrealized Losses	126,657	14,766
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, Less than 12 months, Fair Value	22,190	9,438
Securities available for sale, Less than 12 months, Unrealized Losses	2,345	97
Securities available for sale, Fair Value, Total	22,190	9,438
Securities available for sale, Unrealized Losses, Total	2,345	97
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, Less than 12 months, Fair Value	6,206	13,364
Securities available for sale, Less than 12 months, Unrealized Losses	748	433
Securities available for sale, 12 months or longer, Fair Value	5,212	0
Securities available for sale, 12 months or longer, Unrealized Losses	1,022
Securities available for sale, Fair Value, Total	11,418	13,364
Securities available for sale, Unrealized Losses, Total	1,770	433
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, Less than 12 months, Fair Value	15,749	24,780
Securities available for sale, Less than 12 months, Unrealized Losses	1,911	477
Securities available for sale, 12 months or longer, Fair Value	4,212
Securities available for sale, 12 months or longer, Unrealized Losses	862
Securities available for sale, Fair Value, Total	19,961	24,780
Securities available for sale, Unrealized Losses, Total	2,773	477
Mortgage-Backed Securities [Member]
Schedule of Debt Securities Available For Sale and Held To Maturity Securities [Line Item]
Securities available for sale, Less than 12 months, Fair Value	728,624	764,046
Securities available for sale, Less than 12 months, Unrealized Losses	75,077	9,942
Securities available for sale, 12 months or longer, Fair Value	305,309	172,180
Securities available for sale, 12 months or longer, Unrealized Losses	49,235	4,727
Securities available for sale, Fair Value, Total	1,033,933	936,226
Securities available for sale, Unrealized Losses, Total	124,312	14,669
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, Less than 12 months, Fair Value	407,151	333,489
Securities available for sale, Less than 12 months, Unrealized Losses	36,437	3,597
Securities available for sale, 12 months or longer, Fair Value	113,541	61,249
Securities available for sale, 12 months or longer, Unrealized Losses	18,395	1,645
Securities available for sale, Fair Value, Total	520,692	394,738
Securities available for sale, Unrealized Losses, Total	54,832	5,242
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, Less than 12 months, Fair Value	225,921	283,965
Securities available for sale, Less than 12 months, Unrealized Losses	27,154	3,353
Securities available for sale, 12 months or longer, Fair Value	151,571	110,931
Securities available for sale, 12 months or longer, Unrealized Losses	25,370	3,082
Securities available for sale, Fair Value, Total	377,492	394,896
Securities available for sale, Unrealized Losses, Total	52,524	6,435
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, Less than 12 months, Fair Value	73,597	108,448
Securities available for sale, Less than 12 months, Unrealized Losses	8,827	2,082
Securities available for sale, 12 months or longer, Fair Value	30,773
Securities available for sale, 12 months or longer, Unrealized Losses	3,586
Securities available for sale, Fair Value, Total	104,370	108,448
Securities available for sale, Unrealized Losses, Total	$ 12,413	$ 2,082

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Amount of accumulated pre-tax unrealized loss on securities.

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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