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Commitment and Contingencies - Additional Information (Details) - USD ($)
1 Months Ended
Apr. 30, 2019
Sep. 30, 2019
Aug. 01, 2019
Dec. 31, 2018
Commitments And Contingencies Disclosure [Abstract]        
Amended lease term from the date of relocation     7 years  
Amended base rent per year of the relocation premises $ 600,000      
Percentage increase in operating lease base rent 2.00%      
Letters of Credit issued amount $ 200,000      
Estimated Litigation Liability   $ 0   $ 0