Basis of Presentation - Additional Information (Detail) $ in Thousands	3 Months Ended	6 Months Ended		12 Months Ended
	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Dec. 31, 2014 USD ($) a Room
Organization And Significant Accounting Policies [Line Items]
Percentage of owned subsidiaries		100.00%
Total Debt		$ 1,493,239		$ 1,341,555
Aloft Hotel National Harbor [Member]
Organization And Significant Accounting Policies [Line Items]
Number of room purchased | Room				192
Purchase price of hotel				$ 21,800
Purchase of additional land | a				0.5
Purchase price paid				$ 21,200
Hotel opened date		April 2015
AC Hotel Notes Payable [Member]
Organization And Significant Accounting Policies [Line Items]
Total Debt		$ 6,000		$ 6,000
Food and Beverage Revenue [Member]
Organization And Significant Accounting Policies [Line Items]
Prior period reclassification adjustment	$ 6,600		$ 13,800
Other Revenue [Member]
Organization And Significant Accounting Policies [Line Items]
Prior period reclassification adjustment	(6,600)		(13,800)
Rooms Expense [Member]
Organization And Significant Accounting Policies [Line Items]
Prior period reclassification adjustment	1,000		2,100
Other Hotel Expense [Member]
Organization And Significant Accounting Policies [Line Items]
Prior period reclassification adjustment	$ (1,000)		$ (2,100)