Notes Payable Notes Payable - Schedule of Interest Expense Recognized (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended		12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2013	Dec. 31, 2012	Jun. 30, 2011
Convertible Notes Payable [Abstract]
Amortization of debt issuance cost			$ 188
Amortization of debt discount			3,310
Amortization of debt discount and issuance costs	$ 0	$ 0	$ 3,498	$ 0	$ 0
Effective interest rate of the liability component			6.50%