Investment Securities (Amortized Cost And Estimated Fair Value Of Investments In Debt Securities By Contractual Maturity) (Details) $ in Thousands	Sep. 30, 2023 USD ($)
U.S. Government Sponsored Entities Asset-Backed Securities [Member]
Schedule of Investments [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	$ 735,317
Securities Available-for-Sale, Total Fair value	$ 640,282
Debt Securities, Available-for-Sale, Weighted Average Yield	1.89%
US States and Political Subdivisions Debt Securities [Member]
Schedule of Investments [Line Items]
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Amortized Cost	$ 276,900
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Fair Value	$ 269,945
Debt Securities, Available-for-sale, Maturity, after Five Through Ten Years, Weighted Average Yield	3.69%
Debt Securities, Available-for-sale, Allocated and Single Maturity Date, Maturity, after 10 Years, Amortized Cost	$ 141,428
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after 10 Years, Fair Value	$ 116,921
Debt Securities, Available-for-sale, Maturity, after 10 Years, Weighted Average Yield	3.10%
Debt Securities, Available-for-sale, Amortized Cost	$ 420,590
Securities Available-for-Sale, Total Fair value	$ 389,097
Debt Securities, Available-for-Sale, Weighted Average Yield	3.49%
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five	$ 2,262
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five	$ 2,231
Debt Securities, Available-for-Sale, Weighted Average Yield, Maturity, after Year One Through Five	2.97%
Corporate Debt Securities
Schedule of Investments [Line Items]
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Amortized Cost	$ 17,650
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Fair Value	$ 14,792
Debt Securities, Available-for-sale, Maturity, after Five Through Ten Years, Weighted Average Yield	3.89%
Debt Securities, Available-for-sale, Amortized Cost	$ 20,459
Securities Available-for-Sale, Total Fair value	$ 17,586
Debt Securities, Available-for-Sale, Weighted Average Yield	4.79%
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five	$ 2,809
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five	$ 2,794
Debt Securities, Available-for-Sale, Weighted Average Yield, Maturity, after Year One Through Five	10.41%
Collateralized Loan Obligations
Schedule of Investments [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	$ 532,030
Securities Available-for-Sale, Total Fair value	$ 524,891
Debt Securities, Available-for-Sale, Weighted Average Yield	7.31%
US Government Corporations and Agencies Securities
Schedule of Investments [Line Items]
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five	$ 39,000
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five	$ 37,300
Debt Securities, Available-for-Sale, Weighted Average Yield, Maturity, after Year One Through Five	2.37%

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