Commitments and Contingencies - Narrative (Details) - USD ($)		3 Months Ended	6 Months Ended
	Mar. 21, 2014	Jun. 30, 2015	Dec. 31, 2015	Feb. 27, 2015
Barcelo Acquisition
Other Commitments [Line Items]
Increase (decrease) in contingent consideration		$ (1,900,000)	$ 2,700,000
Closing consideration payable			$ 3,200,000
Payment for previous acquisition	$ 3,500,000
Deferred consideration payable payment period (days)	10 days
Grace acquisition
Other Commitments [Line Items]
Payment for previous acquisition		$ 3,500,000
Minimum equity raised from offering for contingent consideration				$ 70,000,000