Annual report pursuant to Section 13 and 15(d)

Maturities of Long-Term Debt, Excluding Unamortized Debt Issuance Costs (Detail)

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Maturities of Long-Term Debt, Excluding Unamortized Debt Issuance Costs (Detail) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Debt Disclosure [Abstract]    
2020 $ 6,595  
2021 6,595  
2022 406,595  
2023 761,595  
2024 6,595  
Thereafter 613,352  
Total $ 1,801,327 $ 1,809,311