Income Taxes (Summary Of Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Deferred Tax Assets, Previously Securitized Loans	$ 441	$ 3,950
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Allowance for Doubtful Accounts	4,385	7,303
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits	2,517	4,099
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Pensions	1,527	2,739
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities	1,057	1,721
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Impairment LossesImpaired assets	607	4,625
Deferred Tax Assets, Unrealized Losses on Available-for-Sale Securities, Gross	166	1,338
Deferred Tax Assets, Goodwill and Intangible assets	438	1,312
Deferred Tax Assets, Other	3,136	4,716
Total Deferred Tax Assets	14,274	31,803
Deferred Tax Liabilities, Other	2,361	3,760
Total Deferred Tax Liabilities	2,361	3,760
Deferred tax asset, net	$ 11,913	$ 28,043