Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Principle Repayment Requirements Under Long Term Agreements Outstanding (Detail)

v3.21.2
Long-Term Debt - Principle Repayment Requirements Under Long Term Agreements Outstanding (Detail) - USD ($)
$ in Thousands
Sep. 30, 2021
Jun. 30, 2021
Dec. 31, 2020
Maturities of Long-term Debt [Abstract]      
2022   $ 0  
2023   0  
2024   98,815  
2025   0  
2026   0  
Thereafter   114,731  
Total $ 208,559 $ 213,546 $ 218,764