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Investments in and Advances to Unconsolidated Affiliates - Schedule of Share of Net Income From Unconsolidated Affiliates (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Equity Method Investments And Joint Ventures [Abstract]        
Income from unconsolidated affiliates $ 27,004 $ 47,940 $ 65,753 $ 79,706
Preopening and start-up expenses 0 0 0 (3,321)
Non-operating items from unconsolidated affiliates (21,477) (11,068) (39,642) (20,078)
Net income from unconsolidated affiliates $ 5,527 $ 36,872 $ 26,111 $ 56,307