Quarterly report pursuant to Section 13 or 15(d)

Leases - Schedule of Balance Sheets Classification of Leases (Detail)

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Leases - Schedule of Balance Sheets Classification of Leases (Detail) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Operating leases    
Operating lease right-of-use assets, non-current $ 9,266 $ 9,959
Operating lease liabilities, current 1,779  
Operating lease liabilities, non-current 10,771 $ 11,682
Total operating lease liabilities 12,550  
Finance leases    
Property and equipment, at cost 77  
Accumulated depreciation 45  
Property and equipment, net $ 32  
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] us-gaap:PropertyPlantAndEquipmentNet  
Finance lease liabilities, current $ 6  
Finance Lease Liability Current Statement Of Financial Position Extensible List us-gaap:OtherLiabilitiesCurrent