Quarterly Financial Information (Unaudited) - Selected Financial Information for Interim Quarterly Periods (Details) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||
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Dec. 31, 2020 |
Sep. 30, 2020 |
Jun. 30, 2020 |
Mar. 31, 2020 |
Dec. 31, 2019 |
Sep. 30, 2019 |
Jun. 30, 2019 |
Mar. 31, 2019 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
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Quarterly Financial Information Disclosure [Abstract] | |||||||||||
Operating Revenues | $ 36,044 | $ 36,201 | $ 33,925 | $ 35,667 | $ 42,478 | $ 46,996 | $ 45,014 | $ 39,965 | $ 141,837 | $ 174,453 | $ 179,161 |
Operating Loss | (16,915) | (13,179) | (17,824) | (23,721) | (10,555) | (5,566) | (18,591) | (19,616) | (71,639) | (54,328) | (68,414) |
Net (Loss) Income: | |||||||||||
Continuing Operations | (38,898) | (19,842) | (6,668) | (17,938) | (19,439) | (12,586) | (31,632) | (27,307) | (83,346) | (90,964) | (82,979) |
Discontinued Operations | 51 | 1,765 | 602 | (2,054) | (2,479) | (5,654) | 1,368 | (966) | |||
Net Loss | (38,847) | (18,077) | (6,066) | (19,992) | (21,918) | (18,240) | (30,264) | (28,273) | (82,982) | (98,695) | (82,052) |
Net Loss attributable to SEACOR Marine Holdings Inc: | $ (38,816) | $ (18,081) | $ (6,073) | $ (15,945) | $ (20,455) | $ (18,444) | $ (28,389) | $ (25,549) | $ (78,915) | $ (92,837) | $ (77,608) |
Basic and Diluted (Loss) Income Per Common Share of SEACOR Marine Holdings Inc. | |||||||||||
Continuing operations | $ (1.54) | $ (0.79) | $ (0.26) | $ (0.58) | $ (0.76) | $ (0.54) | $ (1.27) | $ (1.07) | $ (3.20) | $ (3.62) | $ (3.74) |
Discontinued operations | 0.07 | 0.02 | (0.08) | (0.10) | (0.24) | 0.06 | (0.04) | 0.02 | (0.33) | 0.04 | |
Basic and Diluted Income (Loss) Per Common Share and Warrants | $ (1.54) | $ (0.72) | $ (0.24) | $ (0.66) | $ (0.86) | $ (0.78) | $ (1.21) | $ (1.11) | $ (3.18) | $ (3.95) | $ (3.70) |
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- Definition The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition Amount after tax of income (loss) from continuing operations attributable to the parent. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The amount of net income (loss) from continuing operations per each basic and diluted share of common stock or unit when the per share amount is the same for both basic and diluted shares. No definition available.
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- Definition Amount after tax of income (loss) from a discontinued operation attributable to the parent. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Per basic and diluted share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation, when the per share amount is the same. No definition available.
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition The net result for the period of deducting operating expenses from operating revenues. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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