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Subsequent Events - Additional Information (Detail) - Subsequent Event
1 Months Ended
Jan. 31, 2020
Subsequent Event [Line Items]  
Description of operating lease expected to be commence second quarter of 2020
Lessee operating lease option to extend to be commence extended the term through April 2025
Lessee, Operating Lease, Lease Not yet Commenced, Existence of Option to Extend [true false] true
Lessee operating lease renewal term to be commence 5 years