Restructure (Recovery) Costs (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Restructuring and Related Activities [Abstract]
Restructure costs	$ 0	$ (47,000)	$ 25,086,000
Accrual for the settlement with former CFO as a restructure costs recovered		100,000
Cash expenditures related to restructure cost	0	0	31,700,000
Accrued liabilities related to restructure costs	$ 0	$ 0