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Schedule I - Condensed Parent Only Financial Information - Condensed Statements of Operations (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Condensed Income Statements, Captions [Line Items] |  |  |
Revenues | $ 3,155,671 | $ 3,785,063 | $ 3,707,628
Selling, general, and administrative expenses | 306,282 | 175,373 | 152,493
Depreciation and amortization | 238,598 | 232,573 | 225,233
Operating income (loss) | 67,006 | 213,674 | (1,089,914)
Interest expense, net | 234,044 | 232,077 | 229,643
Income before income taxes and equity in net income of subsidiaries | (167,038) | (18,403) | (1,319,557)
Provision for income taxes | (5,331) | 1,353 | (168,334)
Net income before equity in net income of subsidiaries | (161,707) | (19,756) | (1,151,223)
Total comprehensive (loss) income | (153,616) | (15,675) | (1,166,293)
Parent Company |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |
Revenues | 0 | 0 | 0
Cost of revenues | 0 | 0 | 0
Selling, general, and administrative expenses | 0 | 0 | 0
Depreciation and amortization | 0 | 0 | 0
Total expenses | 0 | 0 | 0
Operating income (loss) | 0 | 0 | 0
Interest expense, net | 0 | 0 | 0
Income before income taxes and equity in net income of subsidiaries | 0 | 0 | 0
Provision for income taxes | 0 | 0 | 0
Net income before equity in net income of subsidiaries | 0 | 0 | 0
Less: net income attributable to noncontrolling interests | 0 | 0 | 0
Equity in net (loss) income of subsidiaries | 96,954 | (21,172) | (1,157,332)
Other comprehensive income (loss), net tax equity in comprehensive income (loss) of Subsidiaries | 8,822 | 5,497 | (8,961)
Total comprehensive (loss) income | $ 105,776 | $ (15,675) | $ (1,166,293)

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