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Commitments and Contingencies - Additional Information (Details)
ft² in Thousands, $ in Thousands
2 Months Ended 12 Months Ended
Feb. 20, 2019
USD ($)
ft²
Oct. 12, 2018
USD ($)
Dec. 10, 2018
lawsuit
Aug. 03, 2019
USD ($)
Jul. 28, 2018
USD ($)
Jul. 29, 2017
USD ($)
Jun. 17, 2019
USD ($)
ft²
Jun. 13, 2019
USD ($)
Operating Leased Assets [Line Items]                
Term of lease contracts   5 years         86 months  
Security deposits       $ 1,200 $ 1,300      
Letters of credit       13,900 12,900      
Rent expense       26,900 $ 18,200 $ 16,600    
Future sublease rentals       1,800        
Increase In area of real estate property | ft² 174              
Area of property (in sq ft) | ft² 490           925  
Lease extension term 18 months              
Future minimum payments due on operating leases $ 10,000 $ 11,100   $ 179,790     $ 23,500 $ 6,700
Term after which lease may be canceled   2 years            
Term of notice required for lease termination   6 months            
Number of lawsuits | lawsuit     4          
Minimum                
Operating Leased Assets [Line Items]                
Term of lease contracts       5 years        
Maximum                
Operating Leased Assets [Line Items]                
Term of lease contracts       8 years