XML 68 R50.htm IDEA: XBRL DOCUMENT v3.19.1
Investments In Real Estate - Additional Information (Detail)
$ in Millions
3 Months Ended
Mar. 31, 2019
USD ($)
Hotel
Mar. 31, 2018
USD ($)
Hotel
Real Estate Properties [Line Items]    
Number of hotels sold | Hotel 2 1
Proceeds from sale of hotel $ 5.0 $ 5.0
Gain (loss) on sale of hotels   0.5
Buildings and Improvements, Furniture, Fixtures and Other Equipment [Member]    
Real Estate Properties [Line Items]    
Depreciation 44.0 $ 37.0
Maximum [Member]    
Real Estate Properties [Line Items]    
Gain (loss) on sale of hotels $ 0.1