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v3.22.2.2

Details of Selected Balance Sheet Accounts - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Concentration Risk [Line Items] |  |  |  |  |  |
Decrease in contract with contract assets |  |  |  |  | $ 3,000 |
Contract with customer, asset, decrease due to revenue recognized |  |  |  |  | 27,600 |
Contract with customer, asset, reclassified to receivable |  |  |  |  | (30,400) |
Increase in deferred revenue |  |  |  |  | 7,496 | $ (872)
Contract with customer, liability, increase due to billings |  |  |  |  | 22,700 |
Contract with customer, liability, revenue recognized |  |  |  |  | 14,800 |
Impairments of inventories |  | $ 2,113 |  |  | 0 | 2,113
Depreciation | $ 11,300 | 14,700 |  |  | 35,900 | 46,700
Impairment of operating lease assets |  |  | $ 2,794 |  |  |
Amortization of intangible assets | $ 5,100 | 4,900 |  |  | $ 15,500 | 15,400
Downhole Technologies |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |
Impairments of inventories |  | 2,100 |  |  |  | $ 2,100
Well Site Services |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |
Impairment of operating lease assets |  | $ 2,800 |  | $ 700 |  |
Operating lease, liability |  |  | $ 1,900 |  |  |
United States | Geographic Concentration Risk | Accounts Receivable |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |
Concentration risk (as a percent) |  |  |  |  | 75.00% |
United Kingdom | Geographic Concentration Risk | Accounts Receivable |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |
Concentration risk (as a percent) |  |  |  |  | 12.00% |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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