Investment Securities (Investments Gross Unrealized Losses and Fair Value) (Details) - USD ($) $ in Thousands	Sep. 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	$ 362,944	$ 773,484
Securities available for sale, Less than 12 months, Unrealized Losses	50,739	10,039
Securities available for sale, 12 months or longer, Fair Value	602,243	172,180
Securities available for sale, 12 months or longer, Unrealized Losses	133,550	4,727
Securities available for sale, Fair Value, Total	965,187	945,664
Securities available for sale, Unrealized Losses, Total	184,289	14,766
Total Securities, Less than 12 months, Fair Value	362,944	773,484
Total Securities, Less than 12 months, Unrealized Losses	50,739	10,039
Total Securities, 12 months or longer, Fair Value	602,243	172,180
Total Securities, 12 months or longer, Unrealized Losses	133,550	4,727
Total Securities, Fair Value	965,187	945,664
Total Securities, Unrealized Losses	184,289	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	13,506	9,438
Securities available for sale, Less than 12 months, Unrealized Losses	1,494	97
Securities available for sale, 12 months or longer, Fair Value	7,601
Securities available for sale, 12 months or longer, Unrealized Losses	1,934
Securities available for sale, Fair Value, Total	21,107	9,438
Securities available for sale, Unrealized Losses, Total	3,428	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	1,086	13,364
Securities available for sale, Less than 12 months, Unrealized Losses	100	433
Securities available for sale, 12 months or longer, Fair Value	8,994	0
Securities available for sale, 12 months or longer, Unrealized Losses	2,389
Securities available for sale, Fair Value, Total	10,080	13,364
Securities available for sale, Unrealized Losses, Total	2,489	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	7,874	24,780
Securities available for sale, Less than 12 months, Unrealized Losses	1,528	477
Securities available for sale, 12 months or longer, Fair Value	10,028
Securities available for sale, 12 months or longer, Unrealized Losses	2,611
Securities available for sale, Fair Value, Total	17,902	24,780
Securities available for sale, Unrealized Losses, Total	4,139	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	349,438	764,046
Securities available for sale, Less than 12 months, Unrealized Losses	49,245	9,942
Securities available for sale, 12 months or longer, Fair Value	594,642	172,180
Securities available for sale, 12 months or longer, Unrealized Losses	131,616	4,727
Securities available for sale, Fair Value, Total	944,080	936,226
Securities available for sale, Unrealized Losses, Total	180,861	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	216,629	333,489
Securities available for sale, Less than 12 months, Unrealized Losses	27,834	3,597
Securities available for sale, 12 months or longer, Fair Value	257,242	61,249
Securities available for sale, 12 months or longer, Unrealized Losses	55,178	1,645
Securities available for sale, Fair Value, Total	473,871	394,738
Securities available for sale, Unrealized Losses, Total	83,012	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	95,195	283,965
Securities available for sale, Less than 12 months, Unrealized Losses	15,907	3,353
Securities available for sale, 12 months or longer, Fair Value	249,599	110,931
Securities available for sale, 12 months or longer, Unrealized Losses	58,727	3,082
Securities available for sale, Fair Value, Total	344,794	394,896
Securities available for sale, Unrealized Losses, Total	74,634	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	28,654	108,448
Securities available for sale, Less than 12 months, Unrealized Losses	3,876	2,082
Securities available for sale, 12 months or longer, Fair Value	68,779
Securities available for sale, 12 months or longer, Unrealized Losses	12,711
Securities available for sale, Fair Value, Total	97,433	108,448
Securities available for sale, Unrealized Losses, Total	$ 16,587	$ 2,082

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Amount of accumulated pre-tax unrealized loss on securities.

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