Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Detail)

v3.20.2
Commitments and Contingencies - Additional Information (Detail) - USD ($)
Jun. 30, 2020
Dec. 31, 2019
Commitments And Contingencies Disclosure [Abstract]    
Accrued termination charges $ 0 $ 0
Liabilities related to indemnification agreements $ 0 $ 0