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Business Combinations (Tables) | 12 Months Ended
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Dec. 31, 2023
Business Combinations [Abstract] |
Final purchase consideration and final purchase price allocation to estimated fair values of the identifiable assets acquired and liabilities | The following table summarizes the purchase consideration and the preliminary purchase price allocation to estimated fair values of the identifiable assets acquired and liabilities assumed as of July 1, 2022 (in thousands): ​
​ | ​ | ​ | ​
​ | ​ | July 1, 2022
Cash consideration | ​ | $ | 118,961
Contingent consideration | ​ |  | 26,700
Total fair value of consideration transferred | ​ | $ | 145,661
​ | ​ | ​ | ​
Assets acquired: | ​ | ​ | ​
Cash and cash equivalents | ​ | $ | 6,336
Accounts receivable | ​ | ​ | 43,378
Other current assets | ​ | ​ | 6,077
Property and equipment | ​ | ​ | 117,321
Operating lease right-of-use assets | ​ | ​ | 1,205
Intangible assets | ​ | ​ | 1,500
Other assets | ​ |  | 2,133
Total assets acquired | ​ | ​ | 177,950
Liabilities assumed: | ​ | ​ | ​
Accounts payable | ​ | ​ | 20,480
Accrued liabilities | ​ | ​ | 3,073
Operating lease liabilities | ​ |  | 1,205
Deferred tax liabilities | ​ |  | 7,531
Total liabilities assumed | ​ |  | 32,289
Net assets acquired | ​ | $ | 145,661
Schedule of pro forma information | The pro forma summary table below presents the results of operations as if the Alliance acquisition had occurred on January 1, 2021 (in thousands). The unaudited pro forma summary includes certain transaction accounting adjustments as necessary and uses estimates and assumptions based on information available at the time. The pro forma summary is provided for illustrative purposes only and does not purport to represent Helix’s actual consolidated results of operations had the acquisition been completed as of the date presented, nor should it be considered indicative of Helix’s future consolidated results of operations. ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31,
​ | ​ | 2022 |  | 2021
Revenues | ​ | $ | 952,837 | ​ | $ | 789,051
Net loss | ​ | ​ | (79,686) | ​ | ​ | (56,203)

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- Definition Tabular disclosure of pro forma results of operations for a material business acquisition or series of individually immaterial business acquisitions that are material in the aggregate. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h)(2) -SubTopic 10 -Topic 805 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479328/805-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h)(3) -SubTopic 10 -Topic 805 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479328/805-10-50-2 + Details
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- Definition Tabular disclosure of the amounts recognized as of the acquisition date for each major class of assets acquired and liabilities assumed. May include but not limited to the following: (a) acquired receivables; (b) contingencies recognized at the acquisition date; and (c) the fair value of noncontrolling interests in the acquiree. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Paragraph 1 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479907/805-20-50-1 + Details
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