Income Taxes (Schedule of Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
United States (U.S.)	$ 21,869	$ 2,622	$ 21,618
State	220	245	235
Foreign	5,093	23,419	40,771
Current tax expense	27,182	26,286	62,624
U.S.	3,961	8,824	21,024
State	0	0	(22)
Foreign	(380)	0	(5,345)
Deferred tax expense (benefit)	3,581	8,824	15,657
Income tax expense	$ 30,763	$ 35,110	$ 78,281