Basis of Presentation - Additional Information (Detail) (USD $)	3 Months Ended	12 Months Ended	3 Months Ended
	Mar. 31, 2015	Dec. 31, 2014 acre Room	Mar. 31, 2014
Organization And Significant Accounting Policies [Line Items]
Percentage of owned subsidiaries	100.00%
Total Debt	1,511,398,000	$ 1,341,555,000
Aloft Hotel National Harbor [Member]
Organization And Significant Accounting Policies [Line Items]
Number of room purchased		192
Purchase price of hotel		21,800,000
Purchase of additional land		0.5
Purchase price paid		21,200,000
Hotel opened date	April 2015
AC Hotel Notes Payable [Member]
Organization And Significant Accounting Policies [Line Items]
Total Debt	6,000,000	6,000,000
Other Revenue [Member]
Organization And Significant Accounting Policies [Line Items]
Prior period reclassification adjustment			(7,200,000)
Food and Beverage Revenue [Member]
Organization And Significant Accounting Policies [Line Items]
Prior period reclassification adjustment			7,200,000
Rooms Expense [Member]
Organization And Significant Accounting Policies [Line Items]
Prior period reclassification adjustment			1,100,000
Other Hotel Expense [Member]
Organization And Significant Accounting Policies [Line Items]
Prior period reclassification adjustment			$ (1,100,000)