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Debt - Mortgage Debt (Details)
$ in Millions
Apr. 26, 2017
USD ($)
Jun. 30, 2017
Hotel
Debt Instrument [Line Items]    
Number of hotels (in hotels)   28
Mortgages | Lexington Hotel New York    
Debt Instrument [Line Items]    
Extinguishment of debt | $ $ 170.4  
Mortgages    
Debt Instrument [Line Items]    
Number of hotels (in hotels)   8