Commitments and Contingencies (Other Contracts) (Details) shares in Thousands		12 Months Ended
	Mar. 18, 2014	Dec. 31, 2015	Dec. 31, 2014 shares
Class of Stock [Line Items]
Acquisition Fee, Percentage of Consideration Due		2.50%
Common Stock
Class of Stock [Line Items]
Conversion of convertible preferred stock to common stock (in shares)			14,696
Reverse stock split, conversion ratio	0.5