Income Taxes (Summary Of Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Allowance for Doubtful Accounts	$ 3,742	$ 4,385
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits	2,734	2,517
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Pensions	1,794	1,527
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities	2,276	1,057
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Impairment LossesImpaired assets	1,201	607
Deferred Tax Assets, Unrealized Losses on Available-for-Sale Securities, Gross	1,871	166
Deferred Tax Assets, Goodwill and Intangible assets	783	438
Deferred Tax Assets, Other	6,492	3,577
Total Deferred Tax Assets	20,893	14,274
Deferred Tax Liabilities, Other	3,555	2,361
Total Deferred Tax Liabilities	3,555	2,361
Deferred tax asset, net	$ 17,338	$ 11,913