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, 2021
Dec. 31, 2020
Lessee, Lease, Description [Line Items]    
Operating leases ROU assets $ 44,926 $ 48,203
Operating lease liabilities (current) 8,768 8,963
Operating lease liabilities (non-current) 44,049 $ 47,740
Total operating lease liabilities $ 52,817  
Weighted Average Remaining Lease Term, Operating leases 7 years 10 months 24 days  
Weighted Average Remaining Lease Term, Finance leases 2 years 9 months 18 days  
Weighted Average Discount Rate, Operating leases 7.95%  
Weighted Average Discount Rate, Finance leases 5.44%  
Related Party Lease [Member]    
Lessee, Lease, Description [Line Items]    
Operating leases ROU assets $ 6,363  
Operating lease liabilities (current) 954  
Operating lease liabilities (non-current) 5,577  
Total operating lease liabilities 6,531  
Other Operating Leases [Member]    
Lessee, Lease, Description [Line Items]    
Operating leases ROU assets 38,563  
Operating lease liabilities (current) 7,814  
Operating lease liabilities (non-current) 38,472  
Total operating lease liabilities $ 46,286