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Selected Quarterly Financial Information (Details 6) (USD $)	3 Months Ended								12 Months Ended			6 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Jun. 30, 2012 Errors attributable to the misapplication of U.S. GAAP	Dec. 31, 2011 Errors attributable to the misapplication of U.S. GAAP	Sep. 30, 2012 Errors attributable to the misapplication of U.S. GAAP Restatement adjustment	Dec. 31, 2012 Errors attributable to the misapplication of U.S. GAAP Restatement adjustment
Overstated cumulative net income from continuing operations													$ 600,000
Understated cumulative net income from continuing operations												1,100,000
Income from continuing operations	$ (22,085,000)	$ (6,026,000)	$ (4,081,000)	$ (10,071,000)	$ (8,642,000)	$ 7,698,000	$ 11,011,000	$ 16,462,000	$ (42,263,000)	$ 26,529,000	$ 190,502,000			$ 500,000	$ (600,000)

Amount of income (loss) from continuing operations attributable to the parent. Also defined as revenue less expenses and taxes from ongoing operations before extraordinary items but after deduction of those portions of income or loss from continuing operations that are allocable to noncontrolling interests.

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