Investment Securities (Investments Gross Unrealized Losses and Fair Value) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Schedule of Debt Securities Available For Sale and Held To Maturity Securities [Line Item]
Securities available for sale, Less than 12 months, Fair Value	$ 773,484	$ 29,087
Securities available for sale, Less than 12 months, Unrealized Losses	10,039	68
Securities available for sale, 12 months or longer, Fair Value	172,180	8
Securities available for sale, 12 months or longer, Unrealized Losses	4,727
Securities available for sale, Fair Value, Total	945,664	29,095
Securities available for sale, Unrealized Losses, Total	14,766	68
Total Securities, Less than 12 months, Fair Value	773,484	29,087
Total Securities, Less than 12 months, Unrealized Losses	10,039	68
Total Securities, 12 months or longer, Fair Value	172,180	8
Total Securities, 12 months or longer, Unrealized Losses	4,727
Total Securities, Fair Value	945,664	29,095
Total Securities, Unrealized Losses	14,766	68
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, Less than 12 months, Fair Value	9,438
Securities available for sale, Less than 12 months, Unrealized Losses	97
Securities available for sale, Fair Value, Total	9,438
Securities available for sale, Unrealized Losses, Total	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	13,364
Securities available for sale, Less than 12 months, Unrealized Losses	433
Securities available for sale, 12 months or longer, Fair Value	0	8
Securities available for sale, Fair Value, Total	13,364	8
Securities available for sale, Unrealized Losses, Total	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	24,780
Securities available for sale, Less than 12 months, Unrealized Losses	477
Securities available for sale, Fair Value, Total	24,780
Securities available for sale, Unrealized Losses, Total	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	764,046	29,087
Securities available for sale, Less than 12 months, Unrealized Losses	9,942	68
Securities available for sale, 12 months or longer, Fair Value	172,180	8
Securities available for sale, 12 months or longer, Unrealized Losses	4,727
Securities available for sale, Fair Value, Total	936,226	29,095
Securities available for sale, Unrealized Losses, Total	14,669	68
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	333,489	18,155
Securities available for sale, Less than 12 months, Unrealized Losses	3,597	44
Securities available for sale, 12 months or longer, Fair Value	61,249
Securities available for sale, 12 months or longer, Unrealized Losses	1,645
Securities available for sale, Fair Value, Total	394,738	18,155
Securities available for sale, Unrealized Losses, Total	5,242	44
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	283,965	10,932
Securities available for sale, Less than 12 months, Unrealized Losses	3,353	24
Securities available for sale, 12 months or longer, Fair Value	110,931
Securities available for sale, 12 months or longer, Unrealized Losses	3,082
Securities available for sale, Fair Value, Total	394,896	10,932
Securities available for sale, Unrealized Losses, Total	6,435	$ 24
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	108,448
Securities available for sale, Less than 12 months, Unrealized Losses	2,082
Securities available for sale, Fair Value, Total	108,448
Securities available for sale, Unrealized Losses, Total	$ 2,082

Debt securities available for sale and held to maturity securities.

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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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