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Business Segments - Revenues (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Segment Reporting Revenue Reconciling Item [Line Items] |  |  |  |  |
Total revenues |  | $ 357,885 | $ 207,141 | $ 890,588 | $ 903,448
Contract Drilling |  |  |  |  |
Segment Reporting Revenue Reconciling Item [Line Items] |  |  |  |  |
Total revenues |  | 157,925 | 115,054 | 433,158 | 553,552
Pressure Pumping |  |  |  |  |
Segment Reporting Revenue Reconciling Item [Line Items] |  |  |  |  |
Total revenues |  | 152,634 | 71,973 | 340,464 | 256,613
Directional Drilling |  |  |  |  |
Segment Reporting Revenue Reconciling Item [Line Items] |  |  |  |  |
Total revenues |  | 31,728 | 10,271 | 76,267 | 56,498
Operating Segments | Contract Drilling |  |  |  |  |
Segment Reporting Revenue Reconciling Item [Line Items] |  |  |  |  |
Total revenues |  | 158,154 | 115,105 | 434,080 | 554,421
Operating Segments | Pressure Pumping |  |  |  |  |
Segment Reporting Revenue Reconciling Item [Line Items] |  |  |  |  |
Total revenues |  | 152,634 | 71,973 | 340,464 | 256,613
Operating Segments | Directional Drilling |  |  |  |  |
Segment Reporting Revenue Reconciling Item [Line Items] |  |  |  |  |
Total revenues |  | 31,728 | 10,271 | 76,267 | 56,498
Other Operations |  |  |  |  |
Segment Reporting Revenue Reconciling Item [Line Items] |  |  |  |  |
Total revenues | [1] | 20,744 | 11,756 | 53,561 | 46,061
Intersegment Elimination | Contract Drilling |  |  |  |  |
Segment Reporting Revenue Reconciling Item [Line Items] |  |  |  |  |
Total revenues | [2] | (229) | (51) | (922) | (869)
Intersegment Elimination | Other Operations |  |  |  |  |
Segment Reporting Revenue Reconciling Item [Line Items] |  |  |  |  |
Total revenues | [2] | $ (5,146) | $ (1,913) | $ (12,862) | $ (9,276)
[1] | Other operations includes our oilfi eld rentals business, drilling equipment service business, the electrical controls and automation business and the oil and natural gas working interests.
[2] | I ntercompany revenues consist of revenues from contract drilling for services provided to our other operations, and revenues from other operations for services provided to contract drilling, pressure pumping and within other operations. These revenues are generally based on estimated external selling prices and are eliminated during consolidation.

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- Definition Amount, excluding 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9031-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130543-203045 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9054-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 924 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856 + Details
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