Investment in Unconsolidated Entities - Components of Net Loss (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Schedule of Equity Method Investments [Line Items]
Revenue	$ 86,590	$ 79,643	$ 160,623	$ 150,478
Total hotel operating expenses	67,454	68,734	131,221	127,543
Operating income	19,136	10,909	29,402	22,935
Net income attributable to common shareholders	13,387	5,034	16,233	9,647
Total Minority Interest Joint Ventures
Schedule of Equity Method Investments [Line Items]
Revenue	134,888	130,192	245,062	238,766
Total hotel operating expenses	83,635	81,747	161,659	156,704
Operating income	51,253	48,445	83,403	82,062
Net income (loss) from continuing operations	5,929	8,075	(5,472)	562
Net income attributable to common shareholders	5,929	8,075	(5,472)	562
Income (loss) allocable to the Company	605	825	(548)	65
Basis difference adjustment	399	102	798	777
Total income from unconsolidated real estate entities attributable to the Company	$ 1,004	$ 927	$ 250	$ 842