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Derivative Instruments - REIT - Additional Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Interest Rate Swap | Designated as Hedging Instrument        
Derivative [Line Items]        
Derivative notional amount $ 200,000,000.0      
Reduction of outstanding derivative amount 50,000,000.0      
Recorded interest expense     $ (700,000)  
Derivative portion recognized in earnings next twelve months 700,000      
ESH Hospitality, Inc. | Interest Rate Swap | Designated as Hedging Instrument        
Derivative [Line Items]        
Derivative notional amount 200,000,000.0 $ 300,000,000.0    
Reduction of outstanding derivative amount 50,000,000.0      
Recorded interest expense 2,800,000 $ 2,800,000 $ (700,000)  
Derivative portion recognized in earnings next twelve months $ 700,000      
ESH Hospitality, Inc. | Term Facility | Term loan facility | Term Loan Facility, 2016        
Derivative [Line Items]        
Fixed rate (as a percent)       1.175%