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v3.21.1

Summary Financial Information for DCIP (Detail) - USD ($) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020 | Dec. 31, 2019
Schedule Of Equity Method Investments [Line Items] |  |  |  |
Net income (loss) | $ (208,843) | $ (59,422) |  |
Current assets | 754,807 |  | $ 892,747 |
Current liabilities | 594,510 |  | 606,441 |
Noncurrent liabilities | 4,178,461 |  | 4,157,512 |
Members' equity | 523,983 | 1,265,565 | 798,969 | $ 1,448,322
Other Affiliates | Digital Cinema Implementation Partners |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |
Gross revenues | 5,624 | 32,510 |  |
Operating income (loss) | 3,980 | (5,239) |  |
Net income (loss) | 3,901 | $ (11,140) |  |
Current assets | 29,987 |  | 36,372 |
Noncurrent assets | 172 |  | 205 |
Current liabilities | 23,125 |  | 39,844 |
Noncurrent liabilities | 940 |  | 687 |
Members' equity | $ 6,094 |  | $ (3,954) |

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http://asc.fasb.org/extlink&oid=108774443&loc=SL4568740-111683 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 65 -Paragraph 15 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333 Reference 10: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4I -URI http://asc.fasb.org/extlink&oid=120409616&loc=SL4590271-111686 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 65 -Paragraph 2 -Subparagraph (f)(1) -URI http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641 Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 28 -Subparagraph (f) -URI 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