Income Taxes (Provision (Benefit) for Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Federal income taxes:
Current	$ 13,018	$ 9,340	$ 13,928
Deferred	(7,028)	(2,195)	(3,803)
Federal Income Tax Expense (Benefit), Continuing Operations, Total	5,990	7,145	10,125
State income taxes:
Current	5,093	3,050	3,337
Deferred	(383)	(1,889)	(2,269)
State and Local Income Tax Expense (Benefit), Continuing Operations, Total	4,710	1,161	1,068
Foreign income taxes:
Current	(875)	497	(11,545)
Deferred	6,823	5,314	18,310
Foreign Income Tax Expense (Benefit), Continuing Operations, Total	5,948	5,811	6,765
Total provision for income taxes	$ 16,648	$ 14,117	$ 17,958