SCHEDULE III - REAL ESTATE AND ACCUMULATED DEPRECIATION - Change in Accumulated Depreciation and Amortization of Real Estate Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at the beginning of the year	$ 50,910	$ 28,980	$ 17,398	$ 8,394	$ 1,901
Depreciation and amortization	32,335	21,930	11,582	9,004	6,493
Balance at the end of the year	$ 83,245	$ 50,910	$ 28,980	$ 17,398	$ 8,394