Income Taxes - The provision (benefit) for income taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current Federal Tax Expense (Benefit)	$ 69	$ 342	$ 0
Current State Tax Expense (Benefit)	2,038	1,093	(713)
Current Foreign Tax Expense (Benefit)	(5,184)	4,125	1,394
Current income tax provision (benefit)	(3,077)	5,560	681
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
Deferred Federal Tax Expense (Benefit)	(90,827)	0	(1)
Deferred State Tax Expense (Benefit)	(1,600)	(28)	270
Deferred Foreign Tax Expense (Benefit)	5,564	1,250	(558)
Deferred income tax provision (benefit)	(86,863)	1,222	(289)
Tax provision (benefit):
Federal Income Tax Expense (Benefit)	(90,758)	342	(1)
State Income Tax Expense (Benefit)	438	1,065	(443)
Foreign Income Tax Expense (Benefit)	380	5,375	836
Income tax provision (benefit)	$ (89,940)	$ 6,782	$ 392