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Commitments and Contingencies (Details)
$ in Millions
1 Months Ended 7 Months Ended 12 Months Ended
Mar. 28, 2019
USD ($)
Oct. 15, 2018
USD ($)
Sep. 30, 2015
store
Aug. 31, 2019
claim
Dec. 31, 2012
memeber
Sep. 30, 2019
store
Loss Contingencies [Line Items]            
Guarantor obligations, number of leases           79
Loss contingency, number of locations with subpoena for documents     8      
Sample size | memeber         200  
Number of pending claims | claim       6    
Provider Proceedings            
Loss Contingencies [Line Items]            
Loss contingency, damages awarded, value | $ $ 86 $ 150