SCHEDULE III - REAL ESTATE AND ACCUMULATED DEPRECIATION - Reconciliation of Accumulated Depreciation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at beginning of year	$ 298,703	$ 256,015	$ 229,538
Depreciation related to real estate	49,269	49,775	26,477
Property Dispositions	(27,829)	(7,087)	0
Consolidation of previously unconsolidated investments	(33,077)	0	0
Balance at end of year	$ 287,066	$ 298,703	$ 256,015