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Equity Method Investments - Reconciliation of Net Income to Equity in Income (Detail) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2021
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Equity Method Investments and Joint Ventures [Abstract]                      
Equity income based on stated ownership percentages $ 31,870       $ 27,266       $ 31,870 $ 27,266 $ 28,272
Timing of GAAP and other adjustments 1,628       (114)       1,628 (114) 652
Equity in income of investees $ 7,301 $ 10,618 $ 7,263 $ 8,316 $ 7,905 $ 8,271 $ 4,913 $ 6,063 $ 33,498 $ 27,152 $ 28,924