Income Taxes (Components Of Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Unrealized losses on available-for-sale securities	$ 374,973	$ 0
Loans, principally due to allowance for loan losses	43,553	41,507
Deferred compensation	7,864	7,777
Equity-based compensation	7,491	7,348
Accrued expenses	6,748	6,340
Unearned fee income	5,534	5,258
Deferred tax assets, Other	1,737	3,284
Total deferred tax assets	447,900	71,514
Equipment lease financing	91,913	74,827
Cash flow hedges	19,747	23,633
Land, buildings and equipment	17,210	18,728
Private equity investments	9,393	3,034
Intangibles	7,519	7,459
Unrealized gain on available for sale debt securities	0	7,724
Deferred tax liabilities, Other	8,138	8,396
Total deferred tax liabilities	153,920	143,801
Net deferred tax assets (liabilities)	$ 293,980
Net deferred tax assets (liabilities)		$ (72,287)