Derivative Financial Instruments (Rollforward of Amounts in Accumulated Other Comprehensive Income Related to Interest Rate Swaps Designated as Cash Flow Hedges) (Details) - Interest rate contract - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Rollforward of AOCI from Cash Flow Hedging Derivatives [Roll Forward]
Unrealized gain (loss) at beginning of period	$ 36,908	$ (31,533)
Amount reclassified from accumulated other comprehensive income or loss to interest expense on deposits, loans, other borrowings and junior subordinated debentures	(3,319)	26,883
Amount of (loss) gain recognized in other comprehensive income or loss	(23,563)	41,558
Unrealized gain at end of period	$ 10,026	$ 36,908