Segment and Geographic Information (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($) segment	Jun. 30, 2015 USD ($)	Dec. 31, 2015 USD ($)
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of operating segments | segment			1
Net revenue	$ 54,731	$ 74,519	$ 105,037	$ 184,634
Percentage of revenue by geographic segments	100.00%	100.00%	100.00%	100.00%
Long-lived assets	$ 1,063,110		$ 1,063,110		$ 962,599
Percentage of long-lived assets by geographic segments	100.00%		100.00%		100.00%
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenue	$ 51,267	$ 69,383	$ 97,611	$ 173,841
Percentage of revenue by geographic segments	93.70%	93.10%	93.00%	94.20%
Long-lived assets	$ 1,057,367		$ 1,057,367		$ 956,298
Percentage of long-lived assets by geographic segments	99.50%		99.50%		99.30%
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenue	$ 2,738	$ 4,473	$ 5,818	$ 9,466
Percentage of revenue by geographic segments	5.00%	6.00%	5.50%	5.10%
Long-lived assets	$ 5,743		$ 5,743		$ 6,301
Percentage of long-lived assets by geographic segments	0.50%		0.50%		0.70%
Rest of world [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenue	$ 726	$ 663	$ 1,608	$ 1,327
Percentage of revenue by geographic segments	1.30%	0.90%	1.50%	0.70%