Fair Value Measurements (Carrying Amount And Estimated Fair Value Of Assets And Liabilities) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Carrying amount and estimated fair value of assets and liabilities [Abstract]
Investment securities available-for-sale	$ 756,636	$ 766,016
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Carrying amount and estimated fair value of assets and liabilities [Abstract]
Securities sold under agreements to repurchase	42	42
Significant Other Observable Inputs (Level 2) [Member]
Carrying amount and estimated fair value of assets and liabilities [Abstract]
Investment securities available-for-sale	738,033	745,993
Interest rate swaps, asset	427	408
Demand and interest checking	6,455,043	6,559,617
Savings and money market	49,428	140,496
Senior debt	93,765	93,871
Time deposits		330,000
Significant Unobservable Inputs (Level 3) [Member]
Carrying amount and estimated fair value of assets and liabilities [Abstract]
Investment securities available-for-sale	18,603	20,023
FHLB, ACBB, and Federal Reserve Bank stock	20,157	12,629
Commercial loans, at fair value	379,603	589,143
Loans, net of deferred loan fees and costs	5,156,653	5,462,948
Subordinated debentures	10,583	10,067
Carrying Amount [Member]
Carrying amount and estimated fair value of assets and liabilities [Abstract]
Investment securities available-for-sale	756,636	766,016
FHLB, ACBB, and Federal Reserve Bank stock	20,157	12,629
Commercial loans, at fair value	379,603	589,143
Loans, net of deferred loan fees and costs	5,198,972	5,486,853
Interest rate swaps, asset	427	408
Demand and interest checking	6,455,043	6,559,617
Savings and money market	49,428	140,496
Senior debt	95,771	99,050
Time deposits		330,000
Subordinated debentures	13,401	13,401
Securities sold under agreements to repurchase	42	42
Estimated Fair Value [Member]
Carrying amount and estimated fair value of assets and liabilities [Abstract]
Investment securities available-for-sale	756,636	766,016
FHLB, ACBB, and Federal Reserve Bank stock	20,157	12,629
Commercial loans, at fair value	379,603	589,143
Loans, net of deferred loan fees and costs	5,156,653	5,462,948
Interest rate swaps, asset	427	408
Demand and interest checking	6,455,043	6,559,617
Savings and money market	49,428	140,496
Senior debt	93,765	93,871
Time deposits		330,000
Subordinated debentures	10,583	10,067
Securities sold under agreements to repurchase	$ 42	$ 42