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Commitments and Contingencies - Additional Information (Detail)
Mar. 31, 2019
USD ($)
Credit Agreement | Line of Credit  
Loss Contingencies [Line Items]  
Credit facility (up to) $ 100,000,000
Borrowings outstanding 0
Jessica Gentry  
Loss Contingencies [Line Items]  
Loss contingency 0
Shari Dorff  
Loss Contingencies [Line Items]  
Loss contingency $ 0