Stockholders' Equity (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Repayments of Convertible Debt	$ (3,586,000)	$ (167,900,000)	$ (3,600,000)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	758,000	10,947,000	(26,714,000)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	$ 300,000