Annual report pursuant to Section 13 and 15(d)

Debt - Schedule of Long-term Debt Instruments (Detail)

v3.22.0.1
Debt - Schedule of Long-term Debt Instruments (Detail) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Debt Instrument [Line Items]    
Total repayments $ 1,590,096 $ 1,585,350
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration] Operating Lease Liability Noncurrent Operating Lease Liability Noncurrent
Finance lease obligation $ 96 $ 225
Unsecured promissory notes 0 363
Units subject to mandatory redemption 4,267 3,866
Less current portion (23,469) (19,158)
Long-term debt 1,566,627 1,566,192
Term Loan Facility [Member]    
Debt Instrument [Line Items]    
Total repayments 1,578,972 1,578,930
Revolving Credit Facility [Member]    
Debt Instrument [Line Items]    
Total repayments 387 15
Commercial Paper [Member] | Commercial notes interest rate 2.50% due June 01 ,2021 [Member]    
Debt Instrument [Line Items]    
Total repayments 0 1,951
Commercial Paper [Member] | Commercial notes interest rate 1.66% due June 01 ,2022 [Member]    
Debt Instrument [Line Items]    
Total repayments 1,656 0
Commercial Paper [Member] | Commercial notes interest rate 1.66% due July 15, 2022 [Member]    
Debt Instrument [Line Items]    
Total repayments 745 0
Commercial Paper [Member] | Commercial notes interest rate 1.66% due July 21, 2022 [Member]    
Debt Instrument [Line Items]    
Total repayments $ 3,973 $ 0