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Commitments and Contingencies - Schedule of Future Minimum Annual Commitments Under Operating Leases (Detail) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Commitments and Contingencies Disclosure [Abstract]    
2020 $ 2,275  
2021 2,275  
2022 2,275  
2023 2,275  
2024 2,275  
Thereafter 29,575  
Total future minimum annual commitments under operating lease obligations 40,950  
Accounts receivable, net $ 60,052 $ 18,989