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Business Segments - Revenues (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Segment Reporting Revenue Reconciling Item [Line Items] |  |  |  |  |
Total revenues |  | $ 250,380 | $ 675,765 | $ 696,307 | $ 1,379,936
Contract Drilling |  |  |  |  |
Segment Reporting Revenue Reconciling Item [Line Items] |  |  |  |  |
Total revenues |  | 171,134 | 348,138 | 438,498 | 720,530
Pressure Pumping |  |  |  |  |
Segment Reporting Revenue Reconciling Item [Line Items] |  |  |  |  |
Total revenues |  | 59,533 | 251,008 | 184,640 | 498,609
Directional Drilling |  |  |  |  |
Segment Reporting Revenue Reconciling Item [Line Items] |  |  |  |  |
Total revenues |  | 11,742 | 50,218 | 46,227 | 103,177
Operating Segments | Contract Drilling |  |  |  |  |
Segment Reporting Revenue Reconciling Item [Line Items] |  |  |  |  |
Total revenues |  | 171,476 | 348,494 | 439,316 | 721,237
Operating Segments | Pressure Pumping |  |  |  |  |
Segment Reporting Revenue Reconciling Item [Line Items] |  |  |  |  |
Total revenues |  | 59,533 | 251,008 | 184,640 | 498,609
Operating Segments | Directional Drilling |  |  |  |  |
Segment Reporting Revenue Reconciling Item [Line Items] |  |  |  |  |
Total revenues |  | 11,742 | 50,218 | 46,227 | 103,177
Other Operations |  |  |  |  |
Segment Reporting Revenue Reconciling Item [Line Items] |  |  |  |  |
Total revenues | [1] | 11,460 | 27,852 | 34,305 | 63,243
Intersegment Elimination |  |  |  |  |
Segment Reporting Revenue Reconciling Item [Line Items] |  |  |  |  |
Total revenues | [2] | $ (3,831) | $ (1,807) | $ (8,181) | $ (6,330)
[1] | Other operations includes our oilfield rentals business, drilling equipment service business, the electrical controls and automation business and the oil and natural gas working interests.
[2] | Intercompany revenues consists of contract drilling and revenues from other operations for services provided to contract drilling, pressure pumping and within other operations that are generally priced at estimated external selling prices and are eliminated in 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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