Property and Equipment (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Gross property and equipment	$ 127,427,000	$ 88,684,000
Less: Accumulated depreciation	(30,869,000)	(20,108,000)
Property and equipment, net	96,558,000	68,576,000
Depreciation expense	13,300,000	7,800,000	4,200,000
Land and Land Improvements
Property, Plant and Equipment [Line Items]
Gross property and equipment	2,920,000	364,000
Building and Building Improvements
Property, Plant and Equipment [Line Items]
Gross property and equipment	7,089,000	6,458,000
Furniture and Fixtures
Property, Plant and Equipment [Line Items]
Gross property and equipment	5,602,000	12,327,000
Equipment
Property, Plant and Equipment [Line Items]
Gross property and equipment	$ 111,816,000	$ 69,535,000