Income Taxes (Details 3) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Valuation allowance
Change in valuation allowance	$ 12,935,000	$ (249,232,000)	$ 6,486,000
Unrecognized tax benefit	43,900,000
Continuing operations
Valuation allowance
Change in valuation allowance	13,144,000	(246,469,000)	(9,283,000)
Discontinued operations
Valuation allowance
Change in valuation allowance	(209,000)	(2,763,000)	(457,000)
Other Comprehensive loss and Equity
Valuation allowance
Change in valuation allowance	$ 0	$ 0	$ 16,226,000