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Segments and Related Information - Financial Information by Business Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues |  |  | $ 573,161 | $ 638,075 | $ 1,017,354
Depreciation and amortization |  |  | 80,741 | 98,543 | 123,319
Operating income (loss) |  |  | (64,792) | (534,340) | (228,180)
Capital expenditures |  |  | 17,517 | 12,749 | 56,116
Total assets |  | $ 1,727,867 | 1,085,748 | 1,152,260 | 1,727,867
Impairments of inventories |  |  | 3,581 | 31,151 | 0
Impairments of fixed and lease assets |  |  | 4,166 | 12,447 | 33,697
Impairments of goodwill | $ 406,100 |  | 0 | 406,056 | 165,000
Corporate |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues |  |  | 0 | 0 | 0
Depreciation and amortization |  |  | 808 | 773 | 817
Operating income (loss) |  |  | (32,258) | (35,744) | (45,154)
Capital expenditures |  |  | 1,011 | (331) | 1,146
Total assets |  | 42,905 | 76,060 | 79,270 | 42,905
Impairments of inventories |  |  | 0 | 0 |
Impairments of goodwill |  |  |  | 0 | 0
Offshore/Manufactured Products |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues |  |  | 298,729 | 340,300 | 402,946
Impairments of inventories |  |  |  | 16,200 |
Impairments of goodwill |  |  |  | 86,500 |
Offshore/Manufactured Products | Operating Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues |  |  | 298,729 | 340,300 | 402,946
Depreciation and amortization |  |  | 22,190 | 21,881 | 22,842
Operating income (loss) |  |  | 15,447 | (80,794) | 36,022
Capital expenditures |  |  | 4,628 | 2,913 | 7,692
Total assets |  | 677,036 | 541,346 | 547,962 | 677,036
Impairments of inventories |  |  | 0 | 16,249 |
Impairments of goodwill |  |  |  | 86,500 | 0
Downhole Technologies |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues |  |  | 103,492 | 97,936 | 182,314
Impairments of inventories |  |  | 2,100 | 5,900 |
Impairments of fixed and lease assets |  |  |  | 3,600 |
Impairments of goodwill |  | 165,000 |  | 192,502 |
Downhole Technologies | Operating Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues |  |  | 103,492 | 97,936 | 182,314
Depreciation and amortization |  |  | 17,591 | 22,649 | 21,247
Operating income (loss) |  |  | (13,470) | (224,414) | (164,008)
Capital expenditures |  |  | 901 | 3,230 | 13,808
Total assets |  | 529,677 | 267,468 | 280,096 | 529,677
Impairments of inventories |  |  | 2,113 | 5,921 |
Impairments of goodwill |  |  |  | 192,502 | 165,000
Well Site Services |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues |  |  | 170,940 | 199,839 | 432,094
Impairments of inventories |  |  | 1,500 | 9,000 |
Impairments of fixed and lease assets |  |  | 4,200 | 8,800 | 33,700
Impairments of goodwill |  |  |  | 127,054 |
Well Site Services | Operating Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues |  |  | 170,940 | 199,839 | 432,094
Depreciation and amortization |  |  | 40,152 | 53,240 | 78,413
Operating income (loss) |  |  | (34,511) | (193,388) | (55,040)
Capital expenditures |  |  | 10,977 | 6,937 | 33,470
Total assets |  | $ 478,249 | 200,874 | 244,932 | 478,249
Impairments of inventories |  |  | $ 1,468 | 8,981 |
Impairments of goodwill |  |  |  | $ 127,054 | $ 0

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