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Correction of Error in Previously Reported 2020 Interim Financial Statements (Unaudited) - Schedule of Effect of Error on Balance Sheets (Detail) - USD ($) $ in Thousands | Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | --- | --- | --- | --- | --- | ---
Error Corrections And Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |
Total current assets | $ 289,840 | $ 209,147 | $ 331,839 | $ 467,117 | $ 427,802 |  |
Total non-current assets |  | 5,803,751 | 6,120,372 | 6,122,521 |  |  |
Total current liabilities | 706,841 | 630,120 | 530,253 | 490,125 | 566,544 |  |
Total non-current liabilities |  | 3,788,810 | 3,585,936 | 3,603,705 |  |  |
Deferred tax liabilities | 135,267 | 130,855 | 167,342 | 189,583 | 160,196 |  |
Total liabilities | 4,499,401 | 4,418,930 | 4,116,189 | 4,093,830 | 4,264,915 |  |
Retained deficit | (4,018,685) | (4,057,086) | (3,308,296) | (3,140,639) | (3,306,834) |  |
Total stockholders’ equity | 1,637,535 | 1,593,968 | 2,336,022 | 2,495,808 | 2,347,488 | $ 4,059,431 | $ 5,774,272
Total liabilities and stockholders’ equity | $ 6,136,936 | 6,012,898 | 6,452,211 | 6,589,638 | $ 6,612,403 |  |
Originally Reported |  |  |  |  |  |  |
Error Corrections And Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |
Total current assets |  | 209,147 | 331,839 | 467,117 |  |  |
Total non-current assets |  | 5,803,751 | 6,120,372 | 6,122,521 |  |  |
Total current liabilities |  | 630,120 | 530,253 | 490,125 |  |  |
Total non-current liabilities |  | 3,720,274 | 3,586,142 | 3,624,925 |  |  |
Deferred tax liabilities |  | 62,319 | 167,548 | 210,803 |  |  |
Total liabilities |  | 4,350,394 | 4,116,395 | 4,115,050 |  |  |
Retained deficit |  | (3,988,550) | (3,308,502) | (3,161,859) |  |  |
Total stockholders’ equity |  | 1,662,504 | 2,335,816 | 2,474,588 |  |  |
Total liabilities and stockholders’ equity |  | 6,012,898 | 6,452,211 | 6,589,638 |  |  |
Adjustments |  |  |  |  |  |  |
Error Corrections And Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |
Total non-current liabilities |  | 68,536 | (206) | (21,220) |  |  |
Deferred tax liabilities |  | 68,536 | (206) | (21,220) |  |  |
Total liabilities |  | 68,536 | (206) | (21,220) |  |  |
Retained deficit |  | (68,536) | 206 | 21,220 |  |  |
Total stockholders’ equity |  | $ (68,536) | $ 206 | $ 21,220 |  |  |

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