Property and Equipment, Net (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 136,626	$ 112,633
Accumulated depreciation	(7,972)	(3,791)
Property and equipment, net	128,654	108,842
Depreciation expense	4,300	565	439
Plant, Equipment, Buildings and Leasehold Improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	128,548	818
Construction in Progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross		106,354
Office Furniture, Fixtures and Equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 8,078	$ 5,461