Business Combinations and Acquisition and Disposition of Hotel Properties - Pro Forma Financial Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Business Combinations [Abstract]
Total revenues	$ 442,083	$ 459,484	$ 809,252	$ 823,643
Operating income (loss)	95,809	110,482	125,746	152,211
Net income (loss) attributable to common shareholders	$ 52,234	$ 64,842	$ 49,730	$ 74,156
Net income (loss) per share available to common shareholders — basic (in usd per share)	$ 0.40	$ 0.50	$ 0.38	$ 0.57
Net income (loss) per share available to common shareholders — diluted (in usd per share)	$ 0.40	$ 0.50	$ 0.38	$ 0.57