Quarterly report pursuant to Section 13 or 15(d)

Operating and Finance Lease Right-of-Use Assets - Supplemental Balance Sheet Information Related to Leases (Detail)

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Operating and Finance Lease Right-of-Use Assets - Supplemental Balance Sheet Information Related to Leases (Detail) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Lessee, Lease, Description [Line Items]    
Operating leases ROU assets $ 51,899 $ 54,550
Operating lease liabilities (current) 9,588 8,485
Operating lease liabilities (non-current) 51,356 $ 54,050
Total operating lease liabilities $ 60,944  
Weighted Average Remaining Lease Term, Operating leases 8 years 6 months  
Weighted Average Remaining Lease Term, Finance leases 3 years  
Weighted Average Discount Rate, Operating leases 7.74%  
Weighted Average Discount Rate, Finance leases 4.59%  
Related Party Lease [Member]    
Lessee, Lease, Description [Line Items]    
Operating leases ROU assets $ 7,449  
Operating lease liabilities (current) 1,026  
Operating lease liabilities (non-current) 6,680  
Total operating lease liabilities 7,706  
Other Operating Leases [Member]    
Lessee, Lease, Description [Line Items]    
Operating leases ROU assets 44,450  
Operating lease liabilities (current) 8,562  
Operating lease liabilities (non-current) 44,676  
Total operating lease liabilities $ 53,238