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Subsequent Events - Additional Information (Details)
$ in Thousands
2 Months Ended 3 Months Ended
Feb. 28, 2018
USD ($)
store
Dec. 31, 2017
store
Feb. 02, 2018
Dec. 31, 2015
Subsequent Event [Line Items]        
Number of acquired stores   7    
Equity method ownership percentage   25.00%   50.00%
Subsequent Event        
Subsequent Event [Line Items]        
Number of acquired stores 5      
Real estate asset acquisition, consideration transferred | $ $ 69,852      
Equity method ownership percentage     33.98%  
Excess profit participation percentage     49.00%