Oil States International (OIS) 10-K 22 Feb 22 2021 FY Annual report Financial data

Cover Page

Cover Page - USD ($)	12 Months Ended
	Dec. 31, 2021	Feb. 11, 2022	Jun. 30, 2021
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2021
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	001-16337
Entity Registrant Name	Oil States International, Inc
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	76-0476605
Entity Address, Address Line One	Three Allen Center, 333 Clay Street
Entity Address, Address Line Two	Suite 4620
Entity Address, City or Town	Houston
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	77002
City Area Code	713
Local Phone Number	652-0582
Title of 12(b) Security	Common Stock, par value $.01 per share
Trading Symbol	OIS
Security Exchange Name	NYSE
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 464,302,808
Entity Common Stock, Shares Outstanding (in shares)		61,378,326
Documents Incorporated by Reference	Portions of the registrant's Definitive Proxy Statement for the 2022 Annual Meeting of Stockholders, which the registrant intends to file with the Securities and Exchange Commission not later than 120 days after the end of the fiscal year covered by this Annual Report on Form 10‑K, are incorporated by reference into Part III of this Annual Report on Form 10‑K.
Entity Central Index Key	0001121484
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	FY
Amendment Flag	false

Audit Information

Audit Information	12 Months Ended
	Dec. 31, 2021
Audit Information [Abstract]
Auditor Name	Ernst & Young LLP
Auditor Location	Houston, Texas
Auditor Firm ID	42

Consolidated Statements of Oper

Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues:
Revenues	$ 573,161	$ 638,075	$ 1,017,354
Costs and expenses:
Cost of revenues (exclusive of depreciation and amortization expense presented below)	470,396	561,805	802,589
Selling, general and administrative expense	83,692	94,102	122,932
Depreciation and amortization expense	80,741	98,543	123,319
Impairments of goodwill	0	406,056	165,000
Impairments of fixed and lease assets	4,166	12,447	33,697
Other operating income, net	(1,042)	(538)	(2,003)
Costs and expenses	637,953	1,172,415	1,245,534
Operating loss	(64,792)	(534,340)	(228,180)
Interest expense	(10,328)	(14,259)	(17,898)
Interest income	158	390	262
Other income, net	1,628	13,880	5,089
Loss before income taxes	(73,334)	(534,329)	(240,727)
Income tax benefit	9,341	65,946	8,919
Net loss	$ (63,993)	$ (468,383)	$ (231,808)
Net loss per share:
Basic (in dollars per share)	$ (1.06)	$ (7.83)	$ (3.90)
Diluted (in dollars per share)	$ (1.06)	$ (7.83)	$ (3.90)
Weighted average number of common shares outstanding:
Basic (in shares)	60,293	59,812	59,379
Diluted (in shares)	60,293	59,812	59,379
Products
Revenues:
Revenues	$ 299,293	$ 331,272	$ 483,359
Costs and expenses:
Cost of revenues (exclusive of depreciation and amortization expense presented below)	246,589	287,615	369,194
Services
Revenues:
Revenues	273,868	306,803	533,995
Costs and expenses:
Cost of revenues (exclusive of depreciation and amortization expense presented below)	$ 223,807	$ 274,190	$ 433,395

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net loss	$ (63,993)	$ (468,383)	$ (231,808)
Other comprehensive income (loss):
Release of currency translation adjustments on liquidation of an international operation	9,320	0	0
Other currency translation adjustments	(4,044)	(3,750)	3,462
Other	78	111	189
Total other comprehensive income (loss)	5,354	(3,639)	3,651
Comprehensive loss	$ (58,639)	$ (472,022)	$ (228,157)

Consolidated Balance Sheets

Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 52,852	$ 72,011
Accounts receivable, net	186,080	163,135
Inventories, net	168,573	170,376
Prepaid expenses and other current assets	19,222	18,071
Total current assets	426,727	423,593
Property, plant, and equipment, net	338,583	383,562
Operating lease assets, net	25,388	33,140
Goodwill, net	76,412	76,489
Other intangible assets, net	185,749	205,749
Other noncurrent assets	32,889	29,727
Total assets	1,085,748	1,152,260
Current liabilities:
Current portion of long-term debt	18,262	17,778
Accounts payable	63,343	46,433
Accrued liabilities	43,401	44,504
Current operating lease liabilities	6,481	7,620
Income taxes payable	2,564	2,413
Deferred revenue	43,236	43,384
Total current liabilities	177,287	162,132
Long-term debt	160,488	165,759
Long-term operating lease liabilities	23,452	29,166
Deferred income taxes	3,637	14,263
Other noncurrent liabilities	25,058	23,309
Total liabilities	389,922	394,629
Stockholders' equity:
Common stock, $.01 par value, 200,000,000 shares authorized, 73,900,160 shares and 73,288,976 shares issued, respectively	739	733
Additional paid-in capital	1,105,135	1,122,945
Retained earnings	281,567	329,327
Accumulated other comprehensive loss	(66,031)	(71,385)
Treasury stock, at cost, 12,521,834 and 12,283,817 shares, respectively	(625,584)	(623,989)
Total stockholders' equity	695,826	757,631
Total liabilities and stockholders' equity	$ 1,085,748	$ 1,152,260

Consolidated Balance Sheets (Pa

Consolidated Balance Sheets (Parentheticals) - $ / shares	Dec. 31, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	200,000,000	200,000,000
Common stock, shares issued (in shares)	73,900,160	73,288,976
Treasury stock, shares (in shares)	12,521,834	12,283,817

Consolidated Statements of Stoc

Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Additional Paid-In Capital	Additional Paid-In CapitalCumulative Effect, Period of Adoption, Adjustment	Retained Earnings	Retained EarningsCumulative Effect, Period of Adoption, Adjustment	Accumulated Other Comprehensive Loss	Treasury Stock
Beginning balance at Dec. 31, 2018	$ 1,439,768		$ 718	$ 1,097,758		$ 1,029,518		$ (71,397)	$ (616,829)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(231,808)					(231,808)
Currency translation adjustment (excluding intercompany advances)	3,925							3,925
Currency translation adjustment on intercompany advances	(463)							(463)
Release of currency translation adjustments on liquidation of an international operation	0
Other comprehensive income	189							189
Stock-based compensation expense:
Restricted stock	16,715		8	16,707
Stock options	53			53
Stock repurchases	(757)								(757)
Surrender of stock to settle taxes on restricted stock awards	(3,698)								(3,698)
Common stock withdrawn from deferred compensation plan	43			3					40
Ending balance at Dec. 31, 2019	1,223,967		726	1,114,521		797,710		(67,746)	(621,244)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(468,383)					(468,383)
Currency translation adjustment (excluding intercompany advances)	2,065							2,065
Currency translation adjustment on intercompany advances	(5,815)							(5,815)
Release of currency translation adjustments on liquidation of an international operation	0
Other comprehensive income	111							111
Stock-based compensation expense:
Restricted stock	8,431		7	8,424
Surrender of stock to settle taxes on restricted stock awards	(2,745)								(2,745)
Ending balance at Dec. 31, 2020	$ 757,631	$ (9,450)	733	1,122,945	$ (25,683)	329,327	$ 16,233	(71,385)	(623,989)
Stock-based compensation expense:
Accounting Standards Update [Extensible List]	Accounting Standards Update 2020-06 [Member]
Net loss	$ (63,993)					(63,993)
Currency translation adjustment (excluding intercompany advances)	(1,096)							(1,096)
Currency translation adjustment on intercompany advances	(2,948)							(2,948)
Release of currency translation adjustments on liquidation of an international operation	9,320							9,320
Other comprehensive income	78							78
Restricted stock	7,879		6	7,873
Surrender of stock to settle taxes on restricted stock awards	(1,595)								(1,595)
Ending balance at Dec. 31, 2021	$ 695,826		$ 739	$ 1,105,135		$ 281,567		$ (66,031)	$ (625,584)

Consolidated Statements of Cash

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash flows from operating activities:
Net loss	$ (63,993)	$ (468,383)	$ (231,808)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization expense	80,741	98,543	123,319
Impairments of goodwill	0	406,056	165,000
Impairments of inventories	3,581	31,151	0
Impairments of fixed and lease assets	4,166	12,447	33,697
Stock-based compensation expense	7,879	8,431	16,768
Amortization of debt discount and deferred financing costs	2,314	7,736	7,884
Deferred income tax benefit	(8,639)	(24,404)	(15,469)
Release of foreign currency translation adjustments on liquidation of an international operation	9,320	0	0
Gains on extinguishment of 1.50% convertible senior notes	(4,022)	(10,721)	0
Gains on disposals of assets	(6,472)	(2,444)	(4,291)
Other, net	(511)	4,668	3,079
Changes in operating assets and liabilities:
Accounts receivable	(24,407)	63,876	50,257
Inventories	(10,334)	17,578	(10,774)
Accounts payable and accrued liabilities	17,727	(37,315)	(6,173)
Deferred revenue	(148)	25,549	3,470
Other operating assets and liabilities, net	(8)	(13)	2,473
Net cash flows provided by operating activities	7,194	132,755	137,432
Cash flows from investing activities:
Capital expenditures	(17,517)	(12,749)	(56,116)
Proceeds from disposition of property and equipment	11,527	9,601	6,046
Other, net	(636)	(581)	(1,912)
Net cash flows used in investing activities	(6,626)	(3,729)	(51,982)
Cash flows from financing activities:
Revolving credit facility borrowings	12,873	72,173	246,828
Revolving credit facility repayments	(31,873)	(105,104)	(331,041)
Issuance of 4.75% convertible senior notes	135,000	0	0
Purchases of 1.50% convertible senior notes	(125,952)	(20,078)	(6,724)
Other debt and finance lease repayments, net	(230)	(8,222)	(500)
Payment of financing costs	(7,791)	(1,041)	(16)
Purchases of treasury stock	0	0	(757)
Shares added to treasury stock as a result of net share settlements due to vesting of stock awards	(1,595)	(2,745)	(3,698)
Net cash flows used in financing activities	(19,568)	(65,017)	(95,908)
Effect of exchange rate changes on cash and cash equivalents	(159)	(491)	(365)
Net change in cash and cash equivalents	(19,159)	63,518	(10,823)
Cash and cash equivalents, beginning of period	72,011	8,493	19,316
Cash and cash equivalents, end of period	52,852	72,011	8,493
Cash paid (received) for:
Interest	6,532	6,402	9,626
Income taxes, net	$ 152	$ (36,766)	$ (1,303)

Consolidated Statements of Ca_2

Consolidated Statements of Cash Flows (Parenthetical)	Dec. 31, 2021	Mar. 19, 2021
1.5% Convertible Unsecured Senior Notes
Stated interest rate	1.50%
4.75% Convertible Senior Notes
Stated interest rate	4.75%	4.75%

Organization and Basis of Prese

Organization and Basis of Presentation	12 Months Ended
	Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization and Basis of Presentation	Organization and Basis of Presentation The Consolidated Financial Statements include the accounts of Oil States International, Inc. ("Oil States" or the "Company") and its consolidated subsidiaries. Investments in unconsolidated affiliates, in which the Company is able to exercise significant influence, are accounted for using the equity method. All significant intercompany accounts and transactions between the Company and its consolidated subsidiaries have been eliminated in the accompanying Consolidated Financial Statements. The Company operates through three business segments – Offshore/Manufactured Products, Downhole Technologies and Well Site Services – and, through its subsidiaries, is a leading provider of specialty products and services to oil and gas and industrial companies around the world. The Company operates in a substantial number of the world's active resource intensive regions, including: onshore and offshore United States, West Africa, the North Sea, the Middle East, South America and Southeast and Central Asia.

Summary of Significant Accounti

Summary of Significant Accounting Policies	12 Months Ended
	Dec. 31, 2021
Accounting Policies [Abstract]
Summary of Significant Accounting Policies	Summary of Significant Accounting Policies Use of Estimates As further discussed in Note 14, "Commitments and Contingencies," the impact of the Coronavirus Disease 2019 ("COVID-19") pandemic and the related economic, business and market disruptions continues to evolve and its future effects remain uncertain. The impact of these developments on the Company will depend on numerous factors, many of which are beyond management's control and knowledge. It is therefore difficult to assess or predict with precision the broad future effect of this health crisis on the global economy, the energy industry or the Company. During 2020 and 2021, the Company recorded asset impairments, severance and restructuring charges in response to these developments, as further discussed in Note 3, "Asset Impairments and Other Restructuring Items." As additional information becomes available, events or circumstances change and strategic operational decisions are made by management, further adjustments may be required which could have a material adverse impact on the Company's consolidated financial position, results of operations and cash flows. The preparation of consolidated financial statements in conformity with generally accepted accounting principles requires the use of estimates and assumptions by management in determining the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the Consolidated Financial Statements and the reported amounts of revenues and expenses during the reporting period. Examples of such estimates include, but are not limited to, goodwill and long-lived asset impairments, revenue and income recognized over time, valuation allowances recorded on deferred tax assets, reserves on inventory, allowances for doubtful accounts, settlement of litigation and potential future adjustments related to contractual indemnification and other agreements. Actual results could materially differ from those estimates. Cash and Cash Equivalents All highly liquid investments purchased with an original maturity of three months or less are classified as cash equivalents. Fair Value of Financial Instruments The Company's financial instruments consist of cash and cash equivalents, investments, receivables, payables and debt instruments. The Company believes that the carrying values of these instruments, other than the 2023 Notes (as defined below) and 2026 Notes (as defined below), on the accompanying consolidated balance sheets approximate their fair values. The estimated fair value of the 2023 Notes as of December 31, 2021 was $24.3 million based on quoted market prices (a Level 2 fair value measurement), which compares to the principal amount of $26.0 million. The estimated fair value of the 2026 Notes as of December 31, 2021 was $122.9 million based on quoted market prices (a Level 2 fair value measurement), which compares to the principal amount of $135.0 million. Inventories Inventories consist of consumable oilfield products, manufactured equipment, spare parts for manufactured equipment, and work-in-process. Inventories also include raw materials, labor, subcontractor charges, manufacturing overhead and supplies and are carried at the lower of cost or net realizable value. The cost of inventories is determined on an average cost or specific- identification method. A reserve for excess and/or obsolete inventory is maintained based on the age, turnover, condition, expected near-term utility and market pricing of the goods. Property, Plant, and Equipment Property, plant, and equipment are recorded at cost, or at estimated fair market value at acquisition date if acquired in a business combination, and depreciation is computed, for assets owned or recorded under a finance lease, using the straight-line method over the estimated useful lives of the assets, after allowing for estimated salvage value where applicable. Leasehold improvements are capitalized and amortized over the lesser of the life of the lease or the estimated useful life of the asset. Expenditures for repairs and maintenance are charged to expense when incurred. Expenditures for major renewals and betterments, which extend the useful lives of existing equipment, are capitalized and depreciated. Upon retirement or disposition of property and equipment, the cost and related accumulated depreciation are removed from the accounts and any resulting gain or loss is recognized in the statements of operations. Goodwill Goodwill represents the excess after impairments, if applicable, of the purchase price for acquired businesses over the allocated fair value of related net assets. In accordance with current accounting guidance, the Company does not amortize goodwill, but rather assesses goodwill for impairment annually (as of December 1) and when an event occurs or circumstances change that indicate the carrying amounts may not be recoverable. In the evaluation of goodwill, each reporting unit with goodwill on its balance sheet is assessed separately using relevant events and circumstances. Management estimates the fair value of each reporting unit and compares that fair value to its recorded carrying value. Management utilizes, depending on circumstances, a combination of valuation methodologies including a market approach and an income approach, as well as guideline public company comparables. Projected cash flows are discounted using a long-term weighted average cost of capital for each reporting unit based on estimates of investment returns that would be required by a market participant. As part of the process of assessing goodwill for potential impairment, the total market capitalization of the Company is compared to the sum of the fair values of all reporting units to assess the reasonableness of aggregated fair values. If the carrying amount of a reporting unit exceeds its fair value, goodwill is considered impaired and an impairment loss is recorded based on the excess of the carrying amount over the reporting unit's fair value. As further discussed in Note 5, "Goodwill and Other Intangible Assets," the Company recognized non-cash goodwill impairment charges of $406.1 million in the first quarter of 2020 and $165.0 million in the fourth quarter of 2019. Long-Lived Assets The Company amortizes the cost of long-lived assets, including finite-lived intangible assets, over their estimated useful life. The recoverability of the carrying values of long-lived assets is assessed at the asset group level whenever, in management's judgment, events or changes in circumstances indicate that the carrying value of such asset groups may not be recoverable based on estimated undiscounted future cash flows. If this assessment indicates that the carrying values will not be recoverable, an impairment loss equal to the excess of the carrying value over the fair value of the asset group is recognized. The fair value of the asset group is based on appraised values, prices of similar assets (if available), or discounted cash flows. As further discussed in Note 4, "Details of Selected Balance Sheet Accounts," and Note 7, "Operating Leases," the Company recognized non-cash asset impairment charges totaling $4.2 million, $12.4 million and $33.7 million in 2021, 2020 and 2019, respectively, to reduce the carrying value of certain equipment and facilities (owned and leased) to their estimated realizable value. Based on the Company's review, the carrying values of its other long-lived assets are recoverable, and no additional impairment losses were recorded during the periods presented. Leases The Company leases a portion of its facilities, office space, equipment and vehicles under contracts which provide it with the right to control identified assets. The Company recognizes the right to use identified assets under operating leases (with an initial term of greater than 12 months) as operating lease assets and the related obligations to make payments under the lease arrangements as operating lease liabilities. Finance lease obligations, which are not material, are classified within long-term debt while related assets are included within property, plant and equipment. Lease assets and liabilities are recorded at the commencement date based on the present value of lease payments over the lease term. The Company has lease agreements with lease and non-lease components, which are generally accounted for as a single lease component. Most of the Company's leases do not provide an implicit interest rate. Therefore, the Company's incremental borrowing rate, based on available information at the lease commencement date, is used to determine the present value of lease payments. Most of the Company's operating leases include one or more options to renew, with renewal terms that can extend the lease term from one Research and Development Costs Costs incurred internally in researching and developing products are charged to expense until technological feasibility has been established for the product. Research and development expenses totaled $4.4 million, $6.1 million and $7.0 million in 2021, 2020 and 2019, respectively, and are reported within cost of revenues in the accompanying consolidated statements of operations. Foreign Currency and Other Comprehensive Loss A portion of revenues, earnings and net investments in operations outside the United States are exposed to changes in currency exchange rates. The Company seeks to manage its currency exchange risk in part through operational means, including managing expected local currency revenues in relation to local currency costs and local currency assets in relation to local currency liabilities. In order to reduce exposure to fluctuations in currency exchange rates, the Company may enter into currency exchange agreements with financial institutions. As of December 31, 2021 and 2020, the Company had no outstanding foreign currency forward purchase contracts. Gains and losses resulting from balance sheet translation of international operations where the local currency is the functional currency are included as a component of accumulated other comprehensive loss within stockholders' equity and represent substantially all of the accumulated other comprehensive loss balance. Remeasurements of intercompany advances denominated in a currency other than the functional currency of the entity that are of a long-term investment nature are recognized as a separate component of other comprehensive loss within stockholders' equity. Gains and losses resulting from balance sheet remeasurements of assets and liabilities denominated in a different currency than the functional currency, other than intercompany advances that are of a long-term investment nature, are included in the consolidated statements of operations within "Other operating income, net" as incurred and were not material during the periods presented. Revenue and Cost Recognition The Company's revenue contracts may include one or more promises to transfer a distinct good or service to the customer, which is referred to as a "performance obligation," and to which revenue is allocated. The Company recognizes revenue and the related cost when, or as, the performance obligations are satisfied. The majority of significant contracts for custom engineered products have a single performance obligation as no individual good or service is separately identifiable from other performance obligations in the contracts. For contracts with multiple distinct performance obligations, the Company allocates revenue to the identified performance obligations in the contract. The Company's product sales terms do not include significant post-performance obligations. The Company's performance obligations may be satisfied at a point in time or over time as work progresses. Revenues from products and services transferred to customers at a point in time accounted for approximately 35%, 38% and 34% of consolidated revenues for the years ended December 31, 2021, 2020 and 2019, respectively. The majority of the Company's revenue recognized at a point in time is derived from short-term contracts for standard products. Revenue on these contracts is recognized when control over the product has transferred to the customer. Indicators the Company considers in determining when transfer of control to the customer occurs include: right to payment for the product, transfer of legal title to the customer, transfer of physical possession of the product, transfer of risk and customer acceptance of the product. Revenues from products and services transferred to customers over time accounted for approximately 65%, 62% and 66% of consolidated revenues for the years ended December 31, 2021, 2020 and 2019, respectively. The majority of the Company's revenue recognized over time is for services provided under short-term contracts, with revenue recognized as the customer receives and consumes the services. In addition, the Company manufactures certain products to individual customer specifications under short-term contracts for which control passes to the customer as the performance obligations are fulfilled and for which revenue is recognized over time. For significant project-related contracts involving custom engineered products within the Offshore/Manufactured Products segment (also referred to as "project-driven products"), revenues are typically recognized over time using an input measure such as the percentage of costs incurred to date relative to total estimated costs at completion for each contract (cost-to-cost method). Contract costs include labor, material and overhead. Management believes this method is the most appropriate measure of progress on large contracts. Billings on such contracts in excess of costs incurred and estimated profits are classified as a contract liability (deferred revenue). Costs incurred and estimated profits in excess of billings on these contracts are recognized as a contract asset (a component of accounts receivable). Contract estimates for project-related contracts involving custom engineered products are based on various assumptions to project the outcome of future events that may span several years. Changes in assumptions that may affect future project costs and margins include production efficiencies, the complexity of the work to be performed and the availability and costs of labor, materials and subcomponents. As a significant change in one or more of these estimates could affect the profitability of the Company's contracts, contract-related estimates are reviewed regularly. The Company recognizes adjustments in estimated costs and profits on contracts in the period the adjustment is identified. Revenue and profit in future periods of contract performance are recognized using the adjusted estimate. If at any time the estimate of contract profitability indicates an anticipated loss will be incurred on the contract, the full loss is recognized in the period it is identified. Product costs and service costs include all direct material and labor costs and those costs related to contract performance, such as indirect labor, supplies, tools and repairs. As disclosed in the consolidated statements of operations, product costs and service costs exclude depreciation and amortization expense and impairment of fixed assets, which are separately presented. Selling, general and administrative costs are charged to expense as incurred. Taxes assessed by a governmental authority that are both imposed on and concurrent with a specific revenue-producing transaction, and that are collected by the Company from a customer, are excluded from revenue. Shipping and handling costs associated with outbound freight after control over a product has transferred to a customer are accounted for as a fulfillment cost and are included in cost of products. Proceeds from customers for the cost of oilfield rental equipment that is damaged or lost downhole are reflected as gains or losses on the disposition of assets after considering the write-off of the remaining net book value of the equipment. As of December 31, 2021, the Company had $153.6 million of remaining backlog related to contracts with an original expected duration of greater than one year. Approximately 40% of this remaining backlog is expected to be recognized as revenue in 2022 and the balance thereafter. Income Taxes The Company follows the liability method of accounting for income taxes. Under this method, deferred income taxes are recorded based upon the differences between the financial reporting and tax bases of assets and liabilities and are measured using the enacted tax rates and laws in effect at the time the underlying assets or liabilities are recovered or settled. As of December 31, 2021, the Company's total investment in foreign subsidiaries is considered to be permanently reinvested outside of the United States. The Company accounts for the U.S. tax effect of global intangible low-taxed income earned by foreign subsidiaries in the period that such income is earned. The Company records a valuation allowance in the reporting period when management believes that it is more likely than not that any deferred tax asset will not be realized. This assessment requires analysis of changes in tax laws as well as available positive and negative evidence, including consideration of losses in recent years, reversals of temporary differences, forecasts of future income and assessment of future business and tax planning strategies. During 2021, 2020 and 2019, the Company recorded valuation allowances primarily with respect to foreign and U.S. state net operating loss ("NOL") carryforwards. The calculation of tax liabilities involves assessing uncertainties regarding the application of complex tax regulations. Uncertain tax positions are accounted for using a recognition threshold and a measurement attribute for the financial statement recognition and measurement of tax positions taken or expected to be taken in a tax return. For those benefits to be recognized, a tax position must be more-likely-than-not to be sustained upon examination by taxing authorities. If management ultimately determines that payment of these amounts is unnecessary, the liability is reversed and a tax benefit is recognized during the period in which management determines that the liability is no longer necessary. An additional charge is recorded as a provision for taxes in the period in which management determines that the recorded tax liability is less than the expected ultimate assessment. Receivables and Concentration of Credit Risk Based on the nature of its customer base, the Company does not believe that it has any significant concentrations of credit risk other than its concentration in the worldwide oil and gas industry. Note 13, "Segments and Related Information," provides further information with respect to the Company's geographic revenues and significant customers. The Company evaluates the credit-worthiness of significant customers' financial condition and, generally, the Company does not require significant collateral from its customers. Allowances for Doubtful Accounts The Company maintains allowances for estimated losses resulting from the inability of the Company's customers to make required payments. Determination of the collectability of amounts due from customers requires management to make judgments regarding future events and trends. Allowances for doubtful accounts are established through an assessment of the Company's portfolio on an individual customer and consolidated basis taking into account current and expected future market conditions and trends. This process consists of a thorough review of historical collection experience, current aging status of customer accounts, and financial condition of the Company's customers as well as political and economic factors in countries of operations and other customer-specific factors. Based on a review of these factors, the Company establishes or adjusts allowances for trade and unbilled receivables as well as contract assets. If the financial condition of the Company's customers were to deteriorate further, adversely affecting their ability to make payments, additional allowances may be required. If a customer receivable is deemed to be uncollectible, the receivable is charged-off against allowance for doubtful accounts. Earnings per Share Basic earnings per share ("EPS") on the face of the accompanying consolidated statements of operations is computed by dividing the net income or loss applicable to the Company's common stockholders by the weighted average shares of outstanding common stock. The calculation of diluted EPS is similar to basic EPS, except that the denominator includes dilutive common stock equivalents and the income or loss in the numerator excludes the impact, if any, of dilutive common stock equivalents. Diluted EPS includes the effect, if dilutive, of the Company's outstanding stock options, restricted stock and convertible securities under the treasury stock method. Currently issued and outstanding shares of restricted stock remain subject to vesting requirements. The Company is required to compute EPS amounts under the two class method in periods with earnings. Holders of shares of unvested restricted stock are entitled to the same liquidation and dividend rights as holders of outstanding common stock and are thus considered participating securities. Under applicable accounting guidance, undistributed earnings, if any, for each period are allocated based on the participation rights of both the common stockholders and holders of any participating securities as if earnings for the respective periods had been distributed. Because both the liquidation and dividend rights are identical, undistributed earnings are allocated on a proportionate basis. Stock-Based Compensation The fair value of share-based payments is estimated using the quoted market price of the Company's common stock and pricing models as of the date of grant as further discussed in Note 11, "Long-Term Incentive and Deferred Compensation Plans." The resulting cost, net of estimated forfeitures, is recognized over the period during which an employee is required to provide service in exchange for the awards, usually the vesting period. In addition to service-based awards, the Company issues performance-based awards, which are conditional based upon Company performance. Performance-based award expense, and ultimate vesting, is recognized in an amount that depends on the Company's probable achievement of specified performance objectives. Guarantees Some product sales in the Offshore/Manufactured Products segment are sold with an assurance warranty, generally ranging from 12 to 18 months. Parts and labor are covered under the terms of the warranty agreement. Warranty provisions are estimated based upon historical experience by product, configuration and geographic region. During the ordinary course of business, the Company also provides standby letters of credit or other guarantee instruments to certain parties as required for certain transactions initiated by either the Company or its subsidiaries. As of December 31, 2021, the maximum potential amount of future payments that the Company could be required to make under these guarantee agreements (letters of credit) was $16.1 million. The Company has not recorded any liability in connection with these guarantee arrangements. The Company does not believe, based on historical experience and information currently available, that it is likely that any material amounts will be required to be paid under these guarantee arrangements. Accounting for Contingencies The Company has contingent liabilities and future claims for which estimates of the amount of the eventual cost to liquidate such liabilities are accrued. These liabilities and claims sometimes involve threatened or actual litigation where damages have been quantified and an assessment of exposure has been made and recorded in an amount estimated to cover the expected loss. Other claims or liabilities have been estimated based on their fair value or management's experience in such matters and, when appropriate, the advice of outside counsel or other outside experts. Upon the ultimate resolution of these uncertainties, future reported financial results will be impacted by the difference between the accruals and actual amounts paid in settlement. Examples of areas with important estimates of future liabilities include duties, income taxes, litigation, insurance claims and contractual claims and obligations. Recent Accounting Pronouncements From time to time, new accounting pronouncements are issued by the Financial Accounting Standards Board (the "FASB"), which are adopted by the Company as of the specified effective date. Unless otherwise discussed, management believes that the impact of recently issued standards, which are not yet effective, will not have a material impact on the Company's Consolidated Financial Statements upon adoption. In August 2020, the FASB issued updated guidance to simplify the accounting for convertible instruments and contracts in an entity's own equity (referred to as "ASU 2020-06"). This guidance eliminated the requirement that the carrying value of convertible debt instruments, such as the Company's 1.50% convertible senior notes due 2023 (the "2023 Notes"), be allocated between debt and equity components. As permitted under the standard, the Company adopted the guidance on January 1, 2021, using the modified retrospective transition method. Adoption of the standard resulted in a $12.2 million increase in the net carrying value of the 2023 Notes, a $2.7 million decrease in deferred income taxes and a $9.5 million net decrease in stockholders' equity. The effective interest rate associated with the 2023 Notes after adoption decreased from approximately 6% to approximately 2%, which compares to the contractual interest rate of 1.50%. As further discussed in Note 6, "Long-term Debt," the Company issued $135.0 million principal amount of its 4.75% convertible senior notes due 2026 (the "2026 Notes") on March 19, 2021, which have been accounted for in accordance with the provisions of ASU 2020-06.

Asset Impairments and Other Res

Asset Impairments and Other Restructuring Items	12 Months Ended
	Dec. 31, 2021
Restructuring and Related Activities [Abstract]
Asset Impairments and Other Restructuring Items	Asset Impairments and Other Restructuring Items During 2019, the Company recorded the following charges (in thousands): Offshore/ Manufactured Products Downhole Technologies Well Site Services Corporate Pre-tax Total Tax After-tax Total Impairments of: Goodwill (Note 5) $ — $ 165,000 $ — $ — $ 165,000 $ — $ 165,000 Fixed assets (Note 4) — — 33,697 — 33,697 7,076 26,621 Severance and restructuring costs 1,655 — 1,847 — 3,502 735 2,767 In March of 2020, the spot price of West Texas Intermediate ("WTI") crude oil declined over 50% in response to actual and forecasted reductions in global demand for crude oil due to the COVID-19 pandemic, coupled with announcements by Saudi Arabia and Russia of plans to increase crude oil production. As demand for most of the Company's products and services depends substantially on the level of capital expenditures by the oil and natural gas industry, these conditions caused rapid reductions to most of the Company's customers' drilling, completion and production activities and their related spending on the Company's products and services, particularly those supporting activities in the U.S. shale play regions, until the supply/demand imbalances eased. While the prices of and demand for crude oil have increased significantly since reaching record low levels in April 2020, uncertainty remains regarding the timing of demand recovery to pre-COVID-19 levels and the willingness of operators to invest in U.S. land-based drilling, completion and production activities given regulatory pressures around environmental, social and governance considerations. Following these March 2020 events, the Company immediately implemented significant cost reduction initiatives. The Company also assessed the carrying value of goodwill, long-lived and other assets based on the industry outlook regarding overall demand for and pricing of its products and services, other market considerations and the financial condition of the Company's customers. As a result of these events, actions and assessments, the Company recorded the following charges during 2020 (in thousands): Offshore/ Manufactured Products Downhole Technologies Well Site Services Corporate Pre-tax Total Tax After-tax Total Impairments of: Goodwill (Note 5) $ 86,500 $ 192,502 $ 127,054 $ — $ 406,056 $ 19,600 $ 386,456 Fixed assets (Note 4) — 1,623 8,845 — 10,468 2,198 8,270 Operating lease assets (Note 7) — 1,979 — — 1,979 416 1,563 Inventories (Note 4) 16,249 5,921 8,981 — 31,151 5,979 25,172 Severance and restructuring costs 1,355 2,018 4,311 1,385 9,069 1,904 7,165 During 2021, the Company continued its restructuring efforts, closed additional facilities in the United States, liquidated an international operation and continued to assess the carrying value of its assets based on management actions and the industry outlook regarding demand for and pricing of its products and services, and recorded the following charges (in thousands): Offshore/ Manufactured Products Downhole Technologies Well Site Services Corporate Pre-tax Total Tax After-tax Total Impairments of: Fixed assets (Note 4) $ — $ — $ 1,372 $ — $ 1,372 $ 289 $ 1,083 Operating lease assets (Note 7) — — 2,794 — 2,794 587 2,207 Inventories (Note 4) — 2,113 1,468 — 3,581 752 2,829 Severance and restructuring costs (1) 868 809 4,266 1,555 7,498 1,573 5,925 Release of foreign currency translation adjustments on liquidation of an international operation (Note 8) — — — 9,320 9,320 — 9,320 ____________________ (1) Includes recognition of $1.9 million in additional lease-related liabilities associated with the exit of a long-term lease supporting the Well Site Services segment. Additionally, during 2021, the Company recognized $8.8 million in aggregate reductions to payroll tax expense (within cost of revenues and selling, general and administrative expense) as part of the Coronavirus Aid, Relief, and Economic Security Act (the "CARES Act") employee retention credit program. Should, among other events and circumstances, global economic and industry conditions deteriorate, the COVID-19 pandemic business and market disruptions continue, the outlook for future operating results and cash flow for any of the Company's segments decline, income tax rates increase or regulations change, climate and environmental regulations change, costs of equity or debt capital increase, valuations for comparable public companies or comparable acquisition valuations decrease, or management implement strategic decisions based on industry conditions, the Company may need to recognize additional impairment losses in future periods.

Details of Selected Balance She

Details of Selected Balance Sheet Accounts	12 Months Ended
	Dec. 31, 2021
Details of Selected Balance Sheet Accounts [Abstract]
Details of Selected Balance Sheet Accounts	Details of Selected Balance Sheet Accounts Additional information regarding selected balance sheet accounts as of December 31, 2021 and December 31, 2020 is presented below (in thousands): 2021 2020 Accounts receivable, net: Trade $ 116,434 $ 109,294 Unbilled revenue 24,389 23,173 Contract assets 39,755 35,870 Other 9,973 3,102 Total accounts receivable 190,551 171,439 Allowance for doubtful accounts (4,471) (8,304) $ 186,080 $ 163,135 Allowance for doubtful accounts as a percentage of total accounts receivable 2 % 5 % 2021 2020 Deferred revenue (contract liabilities) $ 43,236 $ 43,384 As of December 31, 2021, accounts receivable, net in the United States and the United Kingdom represented 73% and 14%, respectively, of the total. No other country or single customer accounted for more than 10% of the Company's total accounts receivable as of December 31, 2021. A summary of activity in the allowance for doubtful accounts for the years ended December 31, 2021, 2020 and 2019 is provided in Note 15, "Valuation Allowances." For the majority of contracts with customers, the Company receives payments based upon established contractual terms as products are delivered and services are performed. The Company's larger project-related contracts within the Offshore/Manufactured Products segment often provide for customer payments as milestones are achieved. Contract assets relate to the Company's right to consideration for work completed but not billed as of December 31, 2021 and 2020 on certain project-related contracts within the Offshore/Manufactured Products segment. Contract assets are transferred to unbilled or trade receivables when the right to consideration becomes unconditional. Contract liabilities primarily relate to advance consideration received from customers (i.e. milestone payments) for contracts for project-driven products as well as others which require significant advance investment in materials. Consistent with industry practice, the Company classifies assets and liabilities related to long-term contracts as current, even though some of these amounts may not be realized within one year. All contracts are reported on the consolidated balance sheets in a net asset (contract asset) or liability (deferred revenue) position on a contract-by-contract basis at the end of each reporting period. In the normal course of business, the Company also receives advance consideration from customers on many other short-term, smaller product and service contracts which is deferred and recognized as revenue once the related performance obligation is satisfied. For the year ended December 31, 2021, the $3.9 million net increase in contract assets was primarily attributable to $38.9 million in revenue recognized during the period, which was partially offset by $35.0 million transferred to accounts receivable. Deferred revenue (contract liabilities) decreased by $0.1 million in 2021, reflecting the recognition of $10.5 million of revenue that was deferred at the beginning of the period, offset by $10.4 million in new customer billings which were not recognized as revenue during the period. For the year ended December 31, 2020, the $9.8 million net increase in contract assets was primarily attributable to $32.4 million in revenue recognized during the year, which was partially offset by $22.8 million transferred to accounts receivable. Deferred revenue (contract liabilities) increased by $25.6 million in 2020, reflecting $41.6 million in new customer billings which were not recognized as revenue during the year, partially offset by the recognition of $16.0 million of revenue that was deferred at the beginning of the period. 2021 2020 Inventories, net: Finished goods and purchased products $ 87,934 $ 88,634 Work in process 24,722 27,063 Raw materials 96,357 95,410 Total inventories 209,013 211,107 Allowance for excess or obsolete inventory (40,440) (40,731) $ 168,573 $ 170,376 During 2021, the Company recorded impairment charges totaling $3.6 million to reduce the carrying value of inventories to their estimated net realizable value based primarily on management's decisions to exit certain product and service offerings. During 2020, the Company recorded impairment charges totaling $31.2 million to reduce the carrying value of inventories to their estimated net realizable value based on changes in expectations regarding the near-term utility, customer demand and market pricing of certain goods. Estimated 2021 2020 Property, plant and equipment, net: Land $ 33,536 $ 34,968 Buildings and leasehold improvements 1 – 40 255,530 267,072 Machinery and equipment 2 – 28 247,285 239,986 Completion-related rental equipment 1 – 10 510,816 507,755 Office furniture and equipment 1 – 10 33,155 35,767 Vehicles 3 – 10 66,431 81,607 Construction in progress 4,780 7,207 Total property, plant and equipment 1,151,533 1,174,362 Accumulated depreciation (812,950) (790,800) $ 338,583 $ 383,562 For the years ended December 31, 2021, 2020 and 2019, depreciation expense was $60.1 million, $73.6 million and $96.5 million, respectively. During 2019, the Company made the strategic decision to reduce the scope of its drilling operations (adjusting from 34 rigs to 9 rigs) within the Well Sites Services segment due to the ongoing weakness in customer demand for vertical drilling rigs in the U.S. land market, particularly the Permian Basin. As a result of this decision, the carrying value of 25 rigs, which were decommissioned or sold, was reduced to their estimated realizable value, resulting in the recognition of a $25.5 million non-cash impairment charge. The Company also performed a fair value assessment on the remaining drilling rigs and recognized an additional non-cash impairment charge of $8.2 million (a Level 3 fair value measurement). During 2020, the Well Site Services segment recognized a non-cash impairment charge of $5.2 million to further reduce the carrying value of the segment's remaining drilling rigs to their estimated realizable value and $3.6 million to reduce the carrying value of certain other facilities to their estimated realizable value. Also during 2020, the Downhole Technologies segment recognized a non-cash impairment charge of $1.6 million to reduce the carrying value of certain of the segment's fixed assets to their estimated realizable value. During 2021, the Well Site Services segment recognized non-cash impairment charges of $1.4 million to reduce the carrying value of certain of the segment's fixed assets to their estimated realizable value. 2021 2020 Other noncurrent assets: Deferred compensation plan $ 23,348 $ 22,801 Deferred financing costs 2,674 — Deferred income taxes 1,878 1,280 Other 4,989 5,646 $ 32,889 $ 29,727 2021 2020 Accrued liabilities: Accrued compensation $ 20,904 $ 18,463 Accrued taxes, other than income taxes 5,130 7,307 Insurance liabilities 6,361 7,694 Accrued interest 3,629 2,202 Accrued commissions 2,194 1,416 Other 5,183 7,422 $ 43,401 $ 44,504

Goodwill and Other Intangible A

Goodwill and Other Intangible Assets	12 Months Ended
	Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Other Intangible Assets	Goodwill and Other Intangible Assets Goodwill Changes in the carrying amount of goodwill for the years ended December 31, 2021 and 2020 were as follows (in thousands): Offshore / Manufactured Downhole Technologies Well Site Services Total Balance as of December 31, 2019 Goodwill $ 162,750 $ 357,502 $ 244,349 $ 764,601 Accumulated impairment losses — (165,000) (117,295) (282,295) 162,750 192,502 127,054 482,306 Goodwill impairment (March 2020) (86,500) (192,502) (127,054) (406,056) Foreign currency translation 239 — — 239 Balance as of December 31, 2020 $ 76,489 $ — $ — $ 76,489 Balance as of December 31, 2020 Goodwill $ 162,989 $ 357,502 $ 244,349 $ 764,840 Accumulated impairment losses (86,500) (357,502) (244,349) (688,351) 76,489 — — 76,489 Foreign currency translation (77) — — (77) Balance as of December 31, 2021 $ 76,412 $ — $ — $ 76,412 Balance as of December 31, 2021 Goodwill $ 162,912 $ 357,502 $ 244,349 $ 764,763 Accumulated impairment losses (86,500) (357,502) (244,349) (688,351) $ 76,412 $ — $ — $ 76,412 As further discussed in Note 2, "Summary of Significant Accounting Policies," goodwill is allocated to each reporting unit based on acquisitions made by the Company and is assessed for impairment annually and when an event occurs or circumstances change that indicate the carrying amounts may not be recoverable. December 2019 Impairment The Company had three reporting units – Offshore/Manufactured Products, Downhole Technologies and Well Site Services – whose goodwill balances totaled approximately $647 million as of September 30, 2019. During the fourth quarter of 2019, U.S. land-based completion activity declined significantly from levels experienced over the previous three quarters. Additionally, a number of other market indicators declined to levels not experienced in recent years. Consistent with most other oilfield service industry peers, the Company's stock price declined and its market capitalization was below the carrying value of stockholders' equity. Given these market conditions, the Company reduced its near-term demand outlook for its short-cycle products and services in the U.S. shale play regions. This refined outlook was incorporated in the December 1, 2019 annual impairment assessment. Management utilizes, depending on circumstances, a combination of valuation methodologies including a market approach and an income approach, as well as guideline public company comparables. The valuation techniques used in the December 1, 2019 assessment were consistent with those used during previous testing, except for the Downhole Technologies reporting unit where the income approach was used to estimate its fair value – with the market approach used only to validate the results in 2019. The fair value of the Company's reporting units were determined using significant unobservable inputs (a Level 3 fair value measurement). The income approach estimates the fair value of each reporting unit by discounting the Company's current forecast of future cash flows by its estimate of the discount rate (or expected return) that a market participant would require. The market approach includes the use of comparative multiples to corroborate the discounted cash flow results. The market approach involves judgment in the selection of the appropriate peer group companies and valuation multiples. Significant assumptions used in the income approach include, among others, the estimated future net annual cash flows and discount rates for each reporting unit. Management selected estimates used in the discounted cash flow projections using historical data as well as then-current and anticipated market conditions and estimated growth rates. These estimates were based upon assumptions that considered published industry trends and market forecasts of commodity prices, rig count, well count and offshore/onshore drilling and completion spending, and were believed to be reasonable at the time. The discount rates used to value the Company's reporting units as of December 1, 2019 ranged between 12.5% and 13.0%. Based on this quantitative assessment, the Company concluded that the goodwill amount recorded in its Downhole Technologies reporting unit was partially impaired and recognized a non-cash goodwill impairment charge of $165.0 million in the fourth quarter of 2019. March 2020 Impairments Given the significance of the March 2020 events described in Note 3, "Asset Impairments and Other Charges," the Company performed a quantitative assessment of goodwill for further impairment as of March 31, 2020. This interim assessment indicated that the fair value of each of the reporting units was less than their respective carrying amounts due to, among other factors, the significant decline in the Company's stock price (and that of its peers) and reduced growth rate expectations given weak energy market conditions resulting from the demand destruction caused by the global response to the COVID-19 pandemic. In addition, the estimated returns required by market participants increased materially in the Company's March 31, 2020 assessment from the assessment performed as of December 1, 2019, resulting in higher discount rates used in the discounted cash flow analysis. The valuation techniques used in the March 31, 2020 assessment were consistent with those used during the December 1, 2019 assessment, except for the Completion Services reporting unit where the income approach was used to estimate its fair value – with the market approach used only to validate the results in the March 2020 assessment. The fair value of the Company's reporting units were determined using significant unobservable inputs (a Level 3 fair value measurement). Significant assumptions and estimates used in the income approach include, among others, estimated future net annual cash flows and discount rates for each reporting unit, current and anticipated market conditions, estimated growth rates and historical data. These estimates relied upon significant management judgment, particularly given the uncertainties regarding the COVID-19 pandemic and its impact on activity levels and commodity prices as well as future global economic growth. The discount rates used to value the Company's reporting units as of March 31, 2020 ranged between 16.8% and 18.5%. Based on this quantitative assessment as of March 31, 2020, the Company concluded that goodwill recorded in the Completion Services and Downhole Technologies businesses was fully impaired while goodwill recorded in the Offshore/Manufactured Products business was partially impaired. The Company therefore recognized non-cash goodwill impairment charges totaling $406.1 million in the first quarter of 2020, as presented in further detail in the table above. December 2020 and 2021 Assessments As of December 1, 2020 and 2021, the Company had only one reporting unit – Offshore/Manufactured Products – with a goodwill balance of $76 million. The Company performed its annual quantitative assessments of goodwill for impairment, which indicated that the fair value of the Offshore/Manufactured Products reporting unit was greater than its carrying amount and no additional impairment was required in either period. The fair value of the Offshore/Manufactured Products reporting unit was determined using significant unobservable inputs (a Level 3 fair value measurement). The valuation techniques used in these annual assessments were consistent with those used during the March 31, 2020 assessment. The discount rate used to value the Offshore/Manufactured Products reporting unit as of December 1, 2020 and 2021 was 15.3% and 14.5%, respectively. The estimated returns required by market participants decreased in the Company's 2020 and 2021 annual assessments from the assessment as of March 31, 2020 given improvements in the global economy and financial markets. Other Intangible Assets The following table presents the gross carrying amount and the related accumulated amortization for major intangible asset classes as of December 31, 2021 and 2020 (in thousands): 2021 2020 Gross Accumulated Net Carrying Amount Gross Accumulated Net Carrying Amount Other intangible assets: Customer relationships $ 168,284 $ 66,734 $ 101,550 $ 168,288 $ 55,380 $ 112,908 Patents/Technology/Know-how 78,821 33,151 45,670 75,920 26,124 49,796 Noncompete agreements — — — 16,044 14,742 1,302 Tradenames and other 53,708 15,179 38,529 53,708 11,965 41,743 $ 300,813 $ 115,064 $ 185,749 $ 313,960 $ 108,211 $ 205,749 Amortization expense was $20.6 million, $24.9 million and $26.8 million in the years ended December 31, 2021, 2020 and 2019, respectively. The weighted average remaining amortization period for all intangible assets, other than goodwill, was 11.3 years as of December 31, 2021 and 12.4 years as of December 31, 2020. Amortization expense is expected to total approximately $20 million in 2022 and $17 million in 2023 through 2026. As of December 31, 2021 and 2020, no impairment of other intangible assets was required.

Long-term Debt

Long-term Debt	12 Months Ended
	Dec. 31, 2021
Debt Disclosure [Abstract]
Long-term Debt	Long-term Debt As of December 31, 2021 and 2020, long-term debt consisted of the following (in thousands): 2021 2020 Revolving credit facilities (1) $ — $ 18,408 2026 Notes (2) 131,291 — 2023 Notes (3) 25,802 143,242 Promissory note 17,534 17,095 Other debt and finance lease obligations 4,123 4,792 Total debt 178,750 183,537 Less: Current portion (18,262) (17,778) Total long-term debt $ 160,488 $ 165,759 ____________________ (1) Presented net of $0.6 million of unamortized deferred financing costs as of December 31, 2020. Unamortized deferred financing costs of $2.7 million as of December 31, 2021 are presented in Other noncurrent assets. (2) The outstanding principal amount of the 2026 Notes was $135.0 million as of December 31, 2021. (3) The outstanding principal amount of the 2023 Notes was $26.0 million and $157.4 million as of December 31, 2021 and December 31, 2020, respectively. Scheduled maturities of total debt as of December 31, 2021, are as follows (in thousands): 2022 18,262 2023 26,311 2024 485 2025 512 2026 131,806 Thereafter 1,374 $ 178,750 Revolving Credit Facilities ABL Facility On February 10, 2021, the Company entered into a senior secured credit facility with certain lenders, which provides for a $125.0 million asset-based revolving credit facility (the "ABL Facility") under which credit availability is subject to a borrowing base calculation. Concurrent with entering into this facility, the Company's former senior secured revolving credit facility (discussed below) was terminated. On March 16, 2021, the Company entered into an amendment to the ABL Facility that permitted the Company to incur the indebtedness represented by the 2026 Notes. The ABL Facility is governed by a credit agreement, as amended, with Wells Fargo Bank, National Association, as administrative agent and the lenders and other financial institutions from time to time party thereto (the "ABL Agreement"). The ABL Agreement matures on February 10, 2025 with a springing maturity 91 days prior to the maturity of any outstanding indebtedness with a principal amount in excess of $17.5 million (excluding the unsecured promissory note discussed below). The ABL Agreement provides funding based on a borrowing base calculation that includes eligible U.S. customer accounts receivable and inventory and provides for a $50.0 million sub-limit for the issuance of letters of credit. Borrowings under the ABL Agreement are secured by a pledge of substantially all of the Company's domestic assets (other than real property) and the stock of certain foreign subsidiaries. Borrowings under the ABL Agreement bear interest at a rate equal to the London Interbank Offered Rate ("LIBOR") plus a margin of 2.75% to 3.25% and subject to a LIBOR floor rate of 0.50%, or at a base rate plus a margin of 1.75% to 2.25%, in each case based on average borrowing availability. Quarterly, the Company must also pay a commitment fee of 0.375% to 0.50% per annum, based on unused commitments under the ABL Agreement. The ABL Agreement places restrictions on the Company's ability to incur additional indebtedness, grant liens on assets, pay dividends or make distributions on equity interests, dispose of assets, make investments, repay other indebtedness (including the 2023 Notes and the 2026 Notes), engage in mergers, and other matters, in each case, subject to certain exceptions. The ABL Agreement contains customary default provisions, which, if triggered, could result in acceleration of repayment of all amounts then outstanding. The ABL Agreement also requires the Company to satisfy and maintain a fixed charge coverage ratio of not less than 1.0 to 1.0 for specified periods of time: in the event that availability under the ABL Agreement is less than the greater of 15% of the borrowing base and $14.1 million; to complete certain specified transactions; or if an event of default has occurred and is continuing. As of December 31, 2021, the Company had $16.1 million of outstanding letters of credit, but no borrowings outstanding under the ABL Agreement. The total amount available to be drawn as of December 31, 2021 was $48.9 million, calculated based on the current borrowing base less outstanding borrowings, if any, and letters of credit. As of December 31, 2021, the Company was in compliance with its debt covenants under the ABL Agreement. Former Revolving Credit Facility Until its termination on February 10, 2021, the Company's former senior secured revolving credit facility was governed by a credit agreement which was scheduled to mature on January 30, 2022. On June 17, 2020, the Company entered into an omnibus amendment to the credit agreement, under which lender commitments were reduced in exchange for the suspension of certain financial covenants through March 30, 2021. The following provides a summary of the more significant provisions of the Company's former revolving credit facility. Prior to June 17, 2020 From June 17, 2020 to February 10, 2021 Lender commitments $350 million $200 million Interest rate on outstanding borrowings (1) : LIBOR based borrowings LIBOR plus a margin of 1.75% to 3.00% LIBOR plus a margin of 2.50% to 3.75% Base-rate based borrowings Base rate plus a margin of 0.75% to 2.00% Base rate plus a margin of 1.50% to 2.75% Commitment fees (2) 0.25% to 0.50% 0.375% to 0.50% ____________________ (1) Based on the ratio of the Company's total net funded debt to consolidated EBITDA. (2) Based on unused commitments under the credit agreement. 2026 Notes On March 19, 2021, the Company issued $135.0 million aggregate principal amount of the 2026 Notes pursuant to an indenture, dated as of March 19, 2021 (the "2026 Indenture"), between the Company and Wells Fargo Bank, National Association, as trustee. Net proceeds from the 2026 Notes offering, after deducting issuance costs, totaled $130.6 million. The Company used $120.0 million of the cash proceeds to purchase $125.0 million principal amount of the outstanding 2023 Notes at a discount, with the balance added to cash on-hand. The 2026 Notes bear interest at a rate of 4.75% per year and will mature on April 1, 2026, unless earlier repurchased, redeemed or converted. Interest is payable semi-annually in arrears on April 1 and October 1 of each year. Additional interest and special interest may accrue on the 2026 Notes under certain circumstances as described in the 2026 Indenture. The initial conversion rate is 95.3516 shares of the Company's common stock per $1,000 principal amount of 2026 Notes (equivalent to an initial conversion price of approximately $10.49 per share of common stock). The conversion rate, and thus the conversion price, may be adjusted under certain circumstances as described in the 2026 Indenture. The Company's intent is to repay the principal amount of the 2026 Notes in cash and settle the conversion feature in shares of the Company's common stock. Noteholders may convert their 2026 Notes, at their option, only in the following circumstances: (1) if the last reported sale price per share of the Company's common stock exceeds 130% of the conversion price for each of at least 20 trading days during the 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter; (2) during the five consecutive business days immediately after any five consecutive trading day period (such five consecutive trading day period, the "measurement period") in which the trading price per $1,000 principal amount of the 2026 Notes for each trading day of the measurement period was less than 98% of the product of the last reported sale price per share of the Company's common stock on such trading day and the conversion rate on such trading day; (3) upon the occurrence of certain corporate events or distributions on the Company's common stock, as described in the 2026 Indenture; or (4) if the Company calls the 2026 Notes for redemption, or at any time from, and including, January 1, 2026 until the close of business on the second scheduled trading day immediately before the maturity date. The Company will settle conversions by paying or delivering, as applicable, cash, shares of common stock or a combination of cash and shares of common stock, at the Company's election, based on the applicable conversion rate(s). If the Company elects to deliver cash or a combination of cash and shares of common stock, then the consideration due upon conversion will be based on a defined observation period. The 2026 Notes will be redeemable, in whole or in part, at the Company's option on or after April 6, 2024, at a cash redemption price equal to the principal amount of the 2026 Notes to be redeemed, plus accrued and unpaid interest, if any, to, but excluding, the redemption date, but only if the last reported sale price per share of common stock exceeds 130% of the conversion price on each of at least 20 trading days during the 30 consecutive trading days ending on, and including, the trading day immediately before the date the Company sends the related redemption notice. If specified change in control events involving the Company as defined in the 2026 Indenture occur, then noteholders may require the Company to repurchase their 2026 Notes at a cash repurchase price equal to the principal amount of the 2026 Notes to be repurchased, plus accrued and unpaid interest. Additionally, the 2026 Indenture contains certain events of default, including certain defaults by the Company with respect to other indebtedness of at least $40.0 million. As of December 31, 2021, none of the conditions allowing holders of the 2026 Notes to convert, or requiring the Company to repurchase the 2026 Notes, had been met. 2023 Notes On January 30, 2018, the Company issued $200.0 million aggregate principal amount of the 2023 Notes, pursuant to an indenture, dated as of January 30, 2018 (the "2023 Indenture"), between the Company and Wells Fargo Bank, National Association, as trustee. The 2023 Notes bear interest at a rate of 1.50% per year and will mature on February 15, 2023, unless earlier repurchased, redeemed or converted. The initial conversion rate is 22.2748 shares of the Company's common stock per $1,000 principal amount of 2023 Notes (equivalent to an initial conversion price of approximately $44.89 per share of common stock). The conversion rate, and thus the conversion price, may be adjusted under certain circumstances as described in the 2023 Indenture. The Company's intent is to repay the principal amount of the Notes in cash and settle the conversion feature in shares of the Company's common stock. The initial carrying amount of the 2023 Notes recorded in the consolidated balance sheet was less than their principal amount, in accordance with then-applicable accounting principles, reflective of the estimated fair value of a similar debt instrument that did not have a conversion feature. The Company recorded the value of the conversion feature as a debt discount, which was amortized as interest expense over the term of the 2023 Notes, with a similar amount allocated to additional paid-in capital. As a result of this amortization (prior to the Company's adoption of ASU 2020-06 effective January 1, 2021), the interest expense recognized on the 2023 Notes for accounting purposes was based on an effective interest rate of approximately 6%, which was greater than the cash interest the Company is obligated to pay. See Note 2, "Summary of Significant Accounting Policies," for discussion of ASU 2020-06, which changed the Company's method of accounting for the 2023 Notes upon adoption. The following table provides details with respect to the carrying amount of the 2023 Notes in the consolidated balance sheets as of December 31, 2021 and 2020 (in thousands): 2021 2020 Principal amount of the liability component $ 25,969 $ 157,369 Less: Unamortized discount — 12,308 Less: Unamortized issuance costs 167 1,819 Net carrying amount of the liability component $ 25,802 $ 143,242 Net carrying amount of the equity component n.a. $ 25,683 The following table provides a summary of the Company's purchases of outstanding 2023 Notes during the years ended December 31, 2021, 2020 and 2019, with non-cash gains reported within Other income, net (in thousands): Principal Amount Carrying Value of Liability Cash Paid Non-cash Gains Recognized 2021 $ 131,400 $ 129,974 $ 125,952 $ 4,022 2020 34,881 30,799 20,078 10,721 2019 7,750 6,724 6,724 — Promissory Note In connection with the 2018 acquisition of GEODynamics, Inc., (such company, "GEODynamics" and such acquisition, the "GEODynamics Acquisition"), the Company issued a $25.0 million promissory note that bears interest at 2.50% per annum (subject to adjustment) and was scheduled to mature on July 12, 2019. Payments due under the promissory note are subject to set-off, in full or in part, against certain indemnification claims related to matters occurring prior to the GEODynamics Acquisition. The Company has provided notice to and asserted indemnification claims against the seller of GEODynamics (the "Seller"), and the Seller has filed a breach of contract suit against the Company and one of its wholly-owned subsidiaries alleging that payments due under the promissory note are required to be, but have not been, repaid in accordance with the terms of such note. The Company has incurred settlement costs and expenses of $7.5 million related to such indemnification claims, and believes that the maturity date of such note is extended until the resolution of such indemnity claims and that it is permitted to set-off the principal amount owed by the amount of such costs and expenses. Accordingly, the Company has reduced the carrying amount of such note in the consolidated balance sheet to $17.5 million as of December 31, 2021, which is its current best estimate of what is owed after set-off for such indemnification matters. See Note 14, "Commitments and Contingencies."

Operating Leases

Operating Leases	12 Months Ended
	Dec. 31, 2021
Leases [Abstract]
Operating Leases	Operating Leases Operating Lease Assets The following table presents the carry value of operating lease assets in the Company's consolidated balance sheets as of December 31, 2021 and 2020 (in thousands): 2021 2020 Operating lease assets, net $ 25,388 $ 33,140 Operating lease asset additions are offset by a corresponding increase to operating lease liabilities and do not impact the consolidated statement of cash flows at commencement. The non-cash effect of operating lease additions in 2020 and 2019 totaled $1.9 million and $53.7 million (inclusive of $47.7 million recognized in 2019 upon adoption of the revised lease accounting guidance), respectively. The following table provides details regarding the components of operating lease expense based on the initial term of underlying agreements for the years ended December 31, 2021, 2020 and 2019 (in thousands): 2021 2020 2019 Operating lease expense components: Leases with initial term of greater than 12 months $ 9,412 $ 12,564 $ 11,972 Leases with initial term of 12 months or less 4,232 4,024 5,906 Total operating lease expense $ 13,644 $ 16,588 $ 17,878 During 2020, the Downhole Technologies segment closed certain lease facilities in connection with restructuring activities and recognized a non-cash impairment charge of $2.0 million to reduce the carrying value of the related operating lease assets to their estimated realizable value. During 2021, the Well Site Services segment recognized non-cash operating lease asset impairment charges of $2.8 million associated with the closure of certain leased facilities. During 2021, the segment also recorded an additional $1.9 million charge for other expenses associated with the exit of a leased facility. Operating Lease Liabilities The following table provides the scheduled maturities of operating lease liabilities as of December 31, 2021 (in thousands): 2022 $ 7,942 2023 6,026 2024 4,531 2025 4,164 2026 3,963 Thereafter 8,167 Total lease payments 34,793 Less: Imputed interest (4,860) Present value of operating lease liabilities 29,933 Less: Current portion (6,481) Total long-term operating lease liabilities $ 23,452 Weighted-average remaining lease term (years) 6.2 Weighted-average discount rate 5.0 %

Stockholders' Equity

Stockholders' Equity	12 Months Ended
	Dec. 31, 2021
Equity [Abstract]
Stockholders' Equity	Stockholders' Equity Common and Preferred Stock The following table provides details with respect to the changes to the number of shares of common stock, $0.01 par value, outstanding during 2021 (in thousands): Issued Treasury Stock Outstanding Shares of common stock outstanding – December 31, 2019 72,546 12,045 60,501 Restricted stock awards, net of forfeitures 743 — 743 Shares withheld for taxes on vesting of stock awards — 239 (239) Shares of common stock outstanding – December 31, 2020 73,289 12,284 61,005 Restricted stock awards, net of forfeitures 611 — 611 Shares withheld for taxes on vesting of stock awards — 238 (238) Shares of common stock outstanding – December 31, 2021 73,900 12,522 61,378 As of December 31, 2021 and December 31, 2020, the Company had 25,000,000 shares of preferred stock, $0.01 par value, authorized, with no shares issued or outstanding. Accumulated Other Comprehensive Loss Accumulated other comprehensive loss, reported as a component of stockholders' equity, primarily relates to fluctuations in currency exchange rates against the U.S. dollar as used to translate certain of the international operations of the Company's operating segments. Accumulated other comprehensive loss decreased from $71.4 million at December 31, 2020 to $66.0 million at December 31, 2021, with the reclassification of $9.3 million in historical currency translation adjustments to net loss upon the liquidation of an international operation partially offset by the impact of changes in currency exchange rates during 2021. For 2021 and 2020, currency translation adjustments recognized as a component of other comprehensive loss due to exchange rate movements were primarily attributable to the United Kingdom and Brazil. During 2021, the exchange rate for the British pound and the Brazilian real compared to the U.S. dollar weakened by 1% and 7%, respectively, contributing to other comprehensive loss of $4.0 million. During 2020, the exchange rate for the British pound strengthened by 3% compared to the U.S. dollar while the Brazilian real weakened by 23% compared to the U.S. dollar, contributing to other comprehensive loss of $3.6 million.

Income Taxes

Income Taxes	12 Months Ended
	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes Consolidated loss before income taxes for the years ended December 31, 2021, 2020 and 2019 consisted of the following (in thousands): 2021 2020 2019 United States $ (56,665) $ (534,452) $ (254,291) Foreign (16,669) 123 13,564 Total $ (73,334) $ (534,329) $ (240,727) The 2021 foreign losses before income taxes included the reclassification of $9.3 million in historical currency translation adjustments upon the liquidation of an international operation, which were not deductible for income tax purposes. Additionally, the 2020 and 2019 U.S. losses before income taxes included non-cash goodwill impairment charges of $406.1 million and $165.0 million, respectively. Approximately $313.1 million and $165.0 million of the goodwill impairment charges were not deductible for income tax purposes in 2020 and 2019, respectively. Components of income tax benefit for the years ended December 31, 2021, 2020 and 2019 consisted of the following (in thousands): 2021 2020 2019 Current: United States $ 370 $ (44,399) $ 300 U.S. state 250 235 292 Foreign (1,322) 2,622 5,958 (702) (41,542) 6,550 Deferred: United States (7,662) (20,913) (13,972) U.S. state (177) (1,798) (473) Foreign (800) (1,693) (1,024) (8,639) (24,404) (15,469) Total income tax benefit $ (9,341) $ (65,946) $ (8,919) A reconciliation of the U.S. statutory tax benefit rate to the effective tax benefit rate for the years ended December 31, 2021, 2020 and 2019 is as follows: 2021 2020 2019 U.S. statutory tax benefit rate (21.0) % (21.0) % (21.0) % Release of foreign currency translation adjustments on liquidation of an international operation 2.7 — — Impairments of goodwill — 12.3 14.4 Effect of CARES Act — (3.1) — State income taxes, net of federal benefits (1.6) (1.1) (0.4) Effect of foreign income taxed at different rates (0.4) 0.1 0.7 Valuation allowances against tax assets 3.3 0.3 0.8 Non-deductible compensation 1.1 0.1 0.3 Other non-deductible expenses, net 3.2 0.1 1.5 Effective tax benefit rate (12.7) % (12.3) % (3.7) % The significant items giving rise to the deferred tax assets and liabilities as of December 31, 2021 and 2020 are as follows (in thousands): 2021 2020 Deferred tax assets: Foreign tax credit carryforwards $ 20,360 $ 20,870 Net operating loss carryforwards 46,304 37,838 Employee benefits 5,456 7,353 Inventories 10,192 9,696 Operating lease liabilities 5,355 6,697 Other 6,899 7,649 Gross deferred tax asset 94,566 90,103 Valuation allowance (37,643) (35,497) Net deferred tax asset 56,923 54,606 Deferred tax liabilities: Tax over book depreciation (23,938) (27,613) Intangible assets (29,671) (30,392) Convertible senior notes discount — (2,790) Operating lease assets (4,355) (5,884) Other (718) (910) Deferred tax liability (58,682) (67,589) Net deferred tax liability $ (1,759) $ (12,983) 2021 2020 Balance sheet classification: Other non-current assets $ 1,878 $ 1,280 Deferred tax liability (3,637) (14,263) Net deferred tax liability $ (1,759) $ (12,983) On March 27, 2020, the CARES Act was signed into law. In accordance with the rules and provisions under the CARES Act, the Company has filed carryback claims regarding U.S. net operating losses generated in 2018 and 2019. Prior to the enactment of the CARES Act, such tax losses could only be carried forward. The Company recognized a discrete tax benefit of $16.4 million and received cash of $41.3 million related to these CARES Act carryback claims in 2020. The Company had $98.7 million of U.S. federal NOL carryforwards as of December 31, 2021, which can be carried forward indefinitely. Approximately $37.6 million of the U.S. federal NOL carryforwards are attributable to the acquired GEODynamics operations and are subject to certain limitation provisions. The Company's U.S. state NOL carryforwards as of December 31, 2021 totaled $194.2 million, of which $13.6 million are attributable to the acquired GEODynamics operations and are subject to certain limitation provisions. As of December 31, 2021, the Company had NOL carryforwards related to certain of its international operations totaling $44.6 million, of which $15.0 million can be carried forward indefinitely. As of December 31, 2021 and 2020, the Company had recorded valuation allowances of $20.6 million and $18.4 million, respectively, primarily with respect to foreign and U.S. state NOL carryforwards. As of December 31, 2021 and 2020, the Company's foreign tax credit carryforwards totaled $20.4 million and $20.9 million, respectively. These foreign tax credits will expire in varying amounts from 2022 to 2029. As of December 31, 2021 and 2020, the Company had recorded valuation allowances of $17.1 million and $17.1 million, respectively, with respect to foreign tax credit carryforwards. The Company files tax returns in the jurisdictions in which they are required. These returns are subject to examination or audit and possible adjustment as a result of assessments by taxing authorities. The Company believes that it has recorded sufficient tax liabilities and does not expect that the resolution of any examination or audit of its tax returns will have a material adverse effect on its consolidated operating results, financial condition or liquidity. Tax years subsequent to 2013 remain open to U.S. federal tax audit. Foreign subsidiary federal tax returns subsequent to 2012 are subject to audit by various foreign tax authorities.

Net Loss Per Share

Net Loss Per Share	12 Months Ended
	Dec. 31, 2021
Earnings Per Share [Abstract]
Net Loss Per Share	Net Loss Per Share The table below provides a reconciliation of the numerators and denominators of basic and diluted net loss per share for the years ended December 31, 2021, 2020 and 2019 (in thousands, except per share amounts): Year Ended 2021 2020 2019 Numerators: Net loss $ (63,993) $ (468,383) $ (231,808) Less: Income attributable to unvested restricted stock awards — — — Numerator for basic net loss per share (63,993) (468,383) (231,808) Effect of dilutive securities: Unvested restricted stock awards — — — Numerator for diluted net loss per share $ (63,993) $ (468,383) $ (231,808) Denominators: Weighted average number of common shares outstanding 61,314 60,953 60,424 Less: Weighted average number of unvested restricted stock awards outstanding (1,021) (1,141) (1,045) Denominator for basic and diluted net loss per share 60,293 59,812 59,379 Net loss per share: Basic $ (1.06) $ (7.83) $ (3.90) Diluted (1.06) (7.83) (3.90) The calculation of diluted net loss per share for the years ended December 31, 2021, 2020 and 2019 excluded 430 thousand shares, 582 thousand shares and 659 thousand shares, respectively, issuable pursuant to outstanding stock options, due to their antidilutive effect. Additionally, shares issuable upon conversion of both the 2023 Notes and the 2026 Notes were excluded due to, among other factors, their antidilutive effect.

Long-Term Incentive Compensatio

Long-Term Incentive Compensation	12 Months Ended
	Dec. 31, 2021
Share-based Payment Arrangement [Abstract]
Long-Term Incentive Compensation	Long-Term Incentive Compensation The Company measures the cost of employee services received in exchange for an award of equity instruments based on the grant-date fair value of the award. The fair value of service-based restricted stock awards is determined by the quoted market price of the Company's common stock on the date of grant. The resulting cost, net of estimated forfeitures, is recognized over the period during which an employee is required to provide service in exchange for the awards, usually the vesting period. Stock-based compensation expense recognized during the years ended December 31, 2021, 2020 and 2019 totaled $7.9 million, $8.4 million and $16.8 million, respectively. Restricted Stock Awards The restricted stock program consists of a combination of service-based restricted stock and performance-based restricted stock. The number of performance-based restricted shares ultimately issued under the program is dependent upon achievement of predefined specific performance objectives generally measured over a three-year period. The performance objective for performance-based awards granted in 2021 is the Company's cumulative EBITDA over a three-year period. The performance objectives for performance-based stock units granted during 2020 and 2019 are based on the Company's EBITDA growth rate over a three-year period. In the event the predefined targets are exceeded for any performance-based award, additional shares up to a maximum of 200% of the target award may be granted. Conversely, if actual performance falls below the predefined target, the number of shares vested is reduced. If the actual performance falls below the threshold performance level, no restricted shares will vest. Service-based restricted stock awards generally vest on a straight-line basis over a three-year term. The following table presents changes in restricted stock awards and related information for the year ended December 31, 2021 (shares in thousands): Service-based Restricted Stock Performance-based Restricted Stock Number of Shares Weighted Average Grant Date Fair Value Number of Shares Weighted Average Grant Date Fair Value Total Number of Restricted Shares Unvested, December 31, 2020 1,087 $ 14.07 287 $ 12.13 1,374 Granted 601 6.77 245 6.84 846 Vested (636) 14.69 (70) 6.55 (705) Forfeited (59) 13.60 (105) 15.86 (164) Unvested, December 31, 2021 993 $ 9.29 358 $ 8.49 1,350 The total fair value of restricted stock awards that vested in 2021, 2020 and 2019 was $9.3 million, $14.5 million and $18.2 million, respectively. As of December 31, 2021, there was $5.8 million of total compensation costs related to unvested restricted stock awards not yet recognized, which is expected to be recognized over a weighted average vesting period of 1.4 years. On May 11, 2021, the Company’s stockholders approved the Amended and Restated Equity Participation Plan of Oil States International, Inc. (the "Plan"), which provided for a 4.5 million increase in the number of shares authorized for issuance under the plan. As of December 31, 2021, approximately 5.0 million shares were available for future grant under the Plan. Stock Options No options were awarded or exercised in 2021, 2020 or 2019. As of December 31, 2021, the Company had 388 thousand stock options outstanding and exercisable, with exercise prices ranging from $42.29 to $58.54 and a weighted-average contractual life of 1.4 years. Long-Term Cash Incentive Awards During 2021 and 2020, the Company issued conditional long-term cash incentive awards ("Cash Awards") of $1.5 million and $2.0 million (adjusted for forfeitures), respectively, with the ultimate dollar amount to be awarded ranging from zero to a maximum of $3.1 million for the 2021 Cash Award and from zero to a maximum of $4.0 million for the 2020 Cash Award. The performance measure for these Cash Awards is relative total stockholder return compared to a peer group of companies measured over a three-year period. The ultimate dollar amount to be awarded for the 2021 and 2020 Cash Awards is limited to their targeted award value ($1.5 million and $2.0 million, respectively) if the Company's total stockholder return is negative over the performance period. The obligations, if any, related to the Cash Awards are classified as liabilities and recognized over the vesting period.

Retirement Plans

Retirement Plans	12 Months Ended
	Dec. 31, 2021
Retirement Benefits [Abstract]
Retirement Plans	Retirement Plans Defined Contribution Plans The Company sponsors defined contribution plans, including a 401(k) retirement savings plan (the "401(k) Plan"). Participation in these plans is available to substantially all employees. The Company recognized expenses of $0.8 million, $3.4 million and $9.5 million primarily related to matching contributions under its various defined contribution plans during the years ended December 31, 2021, 2020 and 2019, respectively. Effective January 1, 2022, the Company resumed matching contributions to the Company's 401(k) Plan and Deferred Compensation Plan (defined below) – which were suspended in 2020 in response to the significant decline in industry activity levels due to the COVID-19 pandemic. Deferred Compensation Plan The Company also maintains a nonqualified deferred compensation plan (the "Deferred Compensation Plan") that permits eligible directors and employees to elect to defer the receipt of all or a portion of their directors' fees or salary and annual

Segments and Related Informatio

Segments and Related Information	12 Months Ended
	Dec. 31, 2021
Segment Reporting [Abstract]
Segments and Related Information	Segments and Related Information The Company's reportable segments represent strategic business units that offer different products and services. They are managed separately as each business requires different technologies and marketing strategies. Recent acquisitions, except for the GEODynamics Acquisition, have been direct extensions to existing business segments. Accounting policies of the segments are the same as those described in the summary of significant accounting policies. The Offshore/Manufactured Products segment designs, manufactures and markets capital equipment utilized on floating production systems, subsea pipeline infrastructure, and offshore drilling rigs and vessels, along with short-cycle and other products. Driven principally by longer-term customer investments for offshore oil and natural gas projects, project-driven product revenues include flexible bearings, advanced connector systems, high-pressure riser systems, deepwater mooring systems, cranes, subsea pipeline products and blow-out preventer stack integration. Short-cycle products manufactured by the segment include valves, elastomers and other specialty products generally used in the land-based drilling and completion markets. Other products manufactured and offered by the segment include a variety of products for use in industrial, military and other applications outside the oil and gas industry. The segment also offers a broad line of complementary, value-added services including specialty welding, fabrication, cladding and machining services, offshore installation services, and inspection and repair services. The Downhole Technologies segment, comprised of the GEODynamics business acquired in 2018, provides oil and gas perforation systems and downhole tools in support of completion, intervention, wireline and well abandonment operations. This segment designs, manufactures and markets its consumable engineered products to oilfield service as well as exploration and production companies, which are completing complex wells with longer lateral lengths, increased frac stages and more perforation clusters to increase unconventional well productivity. The Well Site Services segment provides a broad range of equipment and services that are used to drill for, establish and maintain the flow of oil and natural gas from a well throughout its life cycle. In this segment, operations primarily include completion-focused equipment and services. The segment provides solutions to its customers using its completion tools, drilling rigs and highly-trained personnel throughout its service offerings which include wireline support, frac stacks, isolation tools, downhole and extended reach activity, well testing and flowback operations, sand control and land drilling. Corporate information includes corporate expenses, such as those related to corporate governance, stock-based compensation and other infrastructure support, as well as impacts from corporate-wide decisions for which individual operating units are not evaluated. Financial information by business segment for each of the three years ended December 31, 2021, 2020 and 2019, is summarized in the following table (in thousands). Revenues Depreciation and amortization Operating income (loss) Capital expenditures Total assets 2021 Offshore/Manufactured Products $ 298,729 $ 22,190 $ 15,447 $ 4,628 $ 541,346 Downhole Technologies (1) 103,492 17,591 (13,470) 901 267,468 Well Site Services (2) 170,940 40,152 (34,511) 10,977 200,874 Corporate — 808 (32,258) 1,011 76,060 Total $ 573,161 $ 80,741 $ (64,792) $ 17,517 $ 1,085,748 2020 Offshore/Manufactured Products (3) $ 340,300 $ 21,881 $ (80,794) $ 2,913 $ 547,962 Downhole Technologies (4) 97,936 22,649 (224,414) 3,230 280,096 Well Site Services (5) 199,839 53,240 (193,388) 6,937 244,932 Corporate — 773 (35,744) (331) 79,270 Total $ 638,075 $ 98,543 $ (534,340) $ 12,749 $ 1,152,260 2019 Offshore/Manufactured Products $ 402,946 $ 22,842 $ 36,022 $ 7,692 $ 677,036 Downhole Technologies (6) 182,314 21,247 (164,008) 13,808 529,677 Well Site Services (7) 432,094 78,413 (55,040) 33,470 478,249 Corporate — 817 (45,154) 1,146 42,905 Total $ 1,017,354 $ 123,319 $ (228,180) $ 56,116 $ 1,727,867 ________________ (1) Operating loss included a non-cash inventory impairment charge of $2.1 million. (2) Operating loss included non-cash inventory and fixed and operating lease asset impairment charges of $1.5 million and $4.2 million, respectively. (3) Operating loss included non-cash goodwill and inventory impairment charges of $86.5 million and $16.2 million, respectively. (4) Operating loss included non-cash goodwill, inventory and fixed and operating lease impairment charges of $192.5 million, $5.9 million and $3.6 million, respectively. (5) Operating loss included non-cash goodwill, inventory and fixed asset impairment charges of $127.1 million, $9.0 million and $8.8 million, respectively. (6) Operating loss included a non-cash goodwill impairment charge of $165.0 million. (7) Operating loss included a non-cash fixed asset impairment charge of $33.7 million. See Note 3, "Asset Impairments and Other Restructuring Items," and Note 4, "Details of Selected Balance Sheet Accounts," for further discussion of these and other charges and benefits. No customer individually accounted for greater than 10% of the Company's 2021, 2020 or 2019 consolidated revenues or individually accounted for greater than 10% of the Company's consolidated accounts receivable at December 31, 2021. The Company's Offshore/Manufactured Products segment has numerous facilities around the world that generate both product and service revenues, and it is common for the segment to provide both installation and other services for products it manufactures. While substantially all depreciation and amortization expense for the Offshore/Manufactured Products segment relates to cost of revenues, it does not segregate or capture depreciation or amortization expense between product and service cost. For the Downhole Technologies segment, substantially all depreciation and amortization expense relates to cost of products while substantially all depreciation and amortization expense for the Well Site Services segment relates to cost of services. Operating income (loss) excludes equity in net income of unconsolidated affiliates, which is immaterial and not reported separately herein. The following tables provide supplemental disaggregated revenue from contracts with customers by operating segment for the years ended December 31, 2021, 2020 and 2019 (in thousands): Offshore/Manufactured Products Downhole Technologies Well Site Services 2021 2020 2019 2021 2020 2019 2021 2020 2019 Major revenue categories - Project-driven products $ 122,097 $ 165,497 $ 159,205 $ — $ — $ — $ — $ — $ — Short-cycle: Completion products and services 41,640 26,148 95,806 103,492 97,936 182,314 160,881 191,529 390,748 Drilling services — — — — — — 10,059 8,310 41,346 Other products 23,534 21,994 27,416 — — — — — — Total short-cycle 65,174 48,142 123,222 103,492 97,936 182,314 170,940 199,839 432,094 Other products and services 111,458 126,661 120,519 — — — — — — $ 298,729 $ 340,300 $ 402,946 $ 103,492 $ 97,936 $ 182,314 $ 170,940 $ 199,839 $ 432,094 Financial information by geographic location for the years ended December 31, 2021, 2020 and 2019, is summarized below (in thousands). Revenues are attributable to countries based on the location of the entity selling the products or performing the services and include export sales. Long-lived assets are attributable to countries based on the physical location of the operations and its operating assets and do not include intercompany receivable balances. United States United Kingdom Singapore Other Total 2021 Revenues from unaffiliated customers $ 447,002 $ 59,352 $ 35,886 $ 30,921 $ 573,161 Long-lived assets 487,749 79,723 15,202 43,459 626,133 2020 Revenues from unaffiliated customers $ 463,382 $ 76,808 $ 57,513 $ 40,372 $ 638,075 Long-lived assets 554,926 78,622 16,509 48,883 698,940 2019 Revenues from unaffiliated customers $ 831,317 $ 70,641 $ 56,170 $ 59,226 $ 1,017,354 Long-lived assets 1,046,250 81,855 18,260 69,372 1,215,737

Commitments and Contingencies

Commitments and Contingencies	12 Months Ended
	Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies During 2021, the distribution of COVID-19 vaccines progressed and many government-imposed restrictions were relaxed or rescinded. However, the effects of the COVID-19 pandemic and related economic, business and market disruptions continue and the macro outlook remains uncertain. The most direct impacts that the Company continues to experience are decreased pricing for its products and services due to the timing and rate of activity increases, the demand for crude oil, market pressures driving increased capital discipline by its customers and, to a lesser extent, supply chain disruptions. While the prices of and demand for crude oil have recovered from the lows seen in the initial stages of the pandemic, further outbreaks or the emergence of new strains of the COVID-19 virus, such as the Omicron variant, could result in the reimposition of domestic and international regulations directing individuals to stay at home, limiting travel, requiring facility closures and imposing quarantines. Widespread implementation of these or similar restrictions could result in commodity price volatility, reduced demand for the Company's products and services, as well as delays in or inability of the Company to fulfill its contractual obligations to customers, logistic constraints, increases in the Company's costs and workforce and raw material shortages. The Company continues to monitor the effect of the COVID-19 pandemic on its employees, customers, critical suppliers and other stakeholders. The ultimate duration of the COVID-19 pandemic, along with resulting governmental restrictions and related impacts on the prices of and demand for crude oil, the global economy and capital markets remains uncertain. The Company is a party to various pending or threatened claims, lawsuits and administrative proceedings seeking damages or other remedies concerning its commercial operations, products, employees and other matters, including occasional claims by individuals alleging exposure to hazardous materials as a result of the Company's products or operations. Some of these claims relate to matters occurring prior to the acquisition of businesses, and some relate to businesses the Company has sold. In certain cases, the Company is entitled to indemnification from the sellers of businesses and, in other cases, the Company has indemnified the buyers of businesses. Although the Company can give no assurance about the outcome of pending legal and administrative proceedings and the effect such outcomes may have on the Company, management believes that any ultimate liability resulting from the outcome of such proceedings, to the extent not otherwise provided for or covered by indemnity or insurance, will not have a material adverse effect on the Company's consolidated financial position, results of operations or liquidity. Following the GEODynamics Acquisition in January 2018, the Company determined that certain steel products historically imported by GEODynamics from China for use in its manufacturing process were potentially subject to anti-dumping and countervailing duties. Following an internal review, the Company voluntarily disclosed this matter to U.S. Customs and Border Protection ("CBP") and, in December 2020, reached an agreement with CBP to settle this matter for $7.3 million. The Company believes that the Seller is required to indemnify and hold the Company harmless against the amount of this and other settlements and related costs of $7.5 million, and the Company has provided notice to and asserted indemnification claims against the Seller. Additionally, the Company believes that its agreements with the Seller allow it to set-off such amounts against payments due under the $25.0 million promissory note and that, because the Company has asserted indemnification claims, the maturity date of such note is extended until the resolution of such claims. Accordingly, the Company reduced the carrying amount of such note in its consolidated balance sheet to $17.5 million as of December 31, 2021, which is the Company's current best estimate of what is owed after set-off for such indemnification matters, but without considering the outcome of the counterclaim described below. In August 2020, the Seller filed a breach of contract suit against the Company and one of its wholly-owned subsidiaries in federal court alleging that payments due under the promissory note are required to be, but have not been, repaid in accordance with the terms of the note. Additionally, the Seller alleged that it was entitled to approximately $19.0 million in U.S. federal income tax carryback claims received by the Company under the provisions of the CARES Act. On February 15, 2021, following the federal magistrate's report and recommendation that the federal district court dismiss the Seller's lawsuit for lack of federal jurisdiction, the Seller dismissed the federal lawsuit without prejudice and refiled its lawsuit in state court. On September 20, 2021, the state court denied the Seller's motion for partial summary judgement. In December 2021, the Company filed a counterclaim against the Seller alleging material misrepresentations and breaches of warranties by the Seller with respect to GEODynamics' liability for anti-dumping and countervailing duties. The Company denies the validity of the breach of contract claims asserted by the Seller and is vigorously defending against this lawsuit.

Valuation Allowances

Valuation Allowances	12 Months Ended
	Dec. 31, 2021
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]
Valuation Allowances	Valuation Allowances Activity in the valuation accounts was as follows (in thousands): Balance at Beginning of Period Charged to Costs and Expenses Deductions (net of recoveries) Translation and Other, Net Balance at End of Period Year Ended December 31, 2021: Allowance for doubtful accounts receivable $ 8,304 $ 705 $ (3,932) $ (606) $ 4,471 Allowance for excess or obsolete inventory 40,731 4,806 (4,919) (178) 40,440 Valuation allowance on deferred tax assets 35,497 3,161 (751) (264) 37,643 Year Ended December 31, 2020: Allowance for doubtful accounts receivable $ 8,745 $ 3,409 $ (5,049) $ 1,199 $ 8,304 Allowance for excess or obsolete inventory 19,031 32,974 (11,719) 445 40,731 Valuation allowance on deferred tax assets 35,828 1,890 — (2,221) 35,497 Year Ended December 31, 2019: Allowance for doubtful accounts receivable $ 6,701 $ 2,776 $ (819) $ 87 $ 8,745 Allowance for excess or obsolete inventory 18,551 3,040 (2,644) 84 19,031 Valuation allowance on deferred tax assets 33,762 2,558 — (492) 35,828

Summary of Significant Accoun_2

Summary of Significant Accounting Policies (Policies)	12 Months Ended
	Dec. 31, 2021
Accounting Policies [Abstract]
Use of Estimates	Use of Estimates As further discussed in Note 14, "Commitments and Contingencies," the impact of the Coronavirus Disease 2019 ("COVID-19") pandemic and the related economic, business and market disruptions continues to evolve and its future effects remain uncertain. The impact of these developments on the Company will depend on numerous factors, many of which are beyond management's control and knowledge. It is therefore difficult to assess or predict with precision the broad future effect of this health crisis on the global economy, the energy industry or the Company. During 2020 and 2021, the Company recorded asset impairments, severance and restructuring charges in response to these developments, as further discussed in Note 3, "Asset Impairments and Other Restructuring Items." As additional information becomes available, events or circumstances change and strategic operational decisions are made by management, further adjustments may be required which could have a material adverse impact on the Company's consolidated financial position, results of operations and cash flows. The preparation of consolidated financial statements in conformity with generally accepted accounting principles requires the use of estimates and assumptions by management in determining the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the Consolidated Financial Statements and the reported amounts of revenues and expenses during the reporting period. Examples of such estimates include, but are not limited to, goodwill and long-lived asset impairments, revenue and income recognized over time, valuation allowances recorded on deferred tax assets, reserves on inventory, allowances for doubtful accounts, settlement of litigation and potential future adjustments related to contractual indemnification and other agreements. Actual results could materially differ from those estimates.
Cash and Cash Equivalents	Cash and Cash Equivalents All highly liquid investments purchased with an original maturity of three months or less are classified as cash equivalents.
Fair Value of Financial Instruments	Fair Value of Financial InstrumentsThe Company's financial instruments consist of cash and cash equivalents, investments, receivables, payables and debt instruments. The Company believes that the carrying values of these instruments, other than the 2023 Notes (as defined below) and 2026 Notes (as defined below), on the accompanying consolidated balance sheets approximate their fair values.
Inventories	Inventories Inventories consist of consumable oilfield products, manufactured equipment, spare parts for manufactured equipment, and work-in-process. Inventories also include raw materials, labor, subcontractor charges, manufacturing overhead and supplies and are carried at the lower of cost or net realizable value. The cost of inventories is determined on an average cost or specific-
Property, Plant, and Equipment	Property, Plant, and Equipment Property, plant, and equipment are recorded at cost, or at estimated fair market value at acquisition date if acquired in a business combination, and depreciation is computed, for assets owned or recorded under a finance lease, using the straight-line method over the estimated useful lives of the assets, after allowing for estimated salvage value where applicable. Leasehold improvements are capitalized and amortized over the lesser of the life of the lease or the estimated useful life of the asset. Expenditures for repairs and maintenance are charged to expense when incurred. Expenditures for major renewals and betterments, which extend the useful lives of existing equipment, are capitalized and depreciated. Upon retirement or disposition of property and equipment, the cost and related accumulated depreciation are removed from the accounts and any resulting gain or loss is recognized in the statements of operations.
Goodwill	GoodwillGoodwill represents the excess after impairments, if applicable, of the purchase price for acquired businesses over the allocated fair value of related net assets. In accordance with current accounting guidance, the Company does not amortize goodwill, but rather assesses goodwill for impairment annually (as of December 1) and when an event occurs or circumstances change that indicate the carrying amounts may not be recoverable. In the evaluation of goodwill, each reporting unit with goodwill on its balance sheet is assessed separately using relevant events and circumstances. Management estimates the fair value of each reporting unit and compares that fair value to its recorded carrying value. Management utilizes, depending on circumstances, a combination of valuation methodologies including a market approach and an income approach, as well as guideline public company comparables. Projected cash flows are discounted using a long-term weighted average cost of capital for each reporting unit based on estimates of investment returns that would be required by a market participant. As part of the process of assessing goodwill for potential impairment, the total market capitalization of the Company is compared to the sum of the fair values of all reporting units to assess the reasonableness of aggregated fair values. If the carrying amount of a reporting unit exceeds its fair value, goodwill is considered impaired and an impairment loss is recorded based on the excess of the carrying amount over the reporting unit's fair value.
Long-Lived Assets	Long-Lived Assets The Company amortizes the cost of long-lived assets, including finite-lived intangible assets, over their estimated useful life. The recoverability of the carrying values of long-lived assets is assessed at the asset group level whenever, in management's judgment, events or changes in circumstances indicate that the carrying value of such asset groups may not be recoverable based on estimated undiscounted future cash flows. If this assessment indicates that the carrying values will not be recoverable, an impairment loss equal to the excess of the carrying value over the fair value of the asset group is recognized. The fair value of the asset group is based on appraised values, prices of similar assets (if available), or discounted cash flows.
Leases	Leases The Company leases a portion of its facilities, office space, equipment and vehicles under contracts which provide it with the right to control identified assets. The Company recognizes the right to use identified assets under operating leases (with an initial term of greater than 12 months) as operating lease assets and the related obligations to make payments under the lease arrangements as operating lease liabilities. Finance lease obligations, which are not material, are classified within long-term debt while related assets are included within property, plant and equipment. Lease assets and liabilities are recorded at the commencement date based on the present value of lease payments over the lease term. The Company has lease agreements with lease and non-lease components, which are generally accounted for as a single lease component. Most of the Company's leases do not provide an implicit interest rate. Therefore, the Company's incremental borrowing rate, based on available information at the lease commencement date, is used to determine the present value of lease payments. Most of the Company's operating leases include one or more options to renew, with renewal terms that can extend the lease term from one
Research and Development Costs	Research and Development CostsCosts incurred internally in researching and developing products are charged to expense until technological feasibility has been established for the product.
Foreign Currency and Other Comprehensive Loss, Currency Exchange Rate Risk	Foreign Currency and Other Comprehensive Loss A portion of revenues, earnings and net investments in operations outside the United States are exposed to changes in currency exchange rates. The Company seeks to manage its currency exchange risk in part through operational means, including managing expected local currency revenues in relation to local currency costs and local currency assets in relation to local currency liabilities. In order to reduce exposure to fluctuations in currency exchange rates, the Company may enter into currency exchange agreements with financial institutions. As of December 31, 2021 and 2020, the Company had no outstanding foreign currency forward purchase contracts. Gains and losses resulting from balance sheet translation of international operations where the local currency is the functional currency are included as a component of accumulated other comprehensive loss within stockholders' equity and represent substantially all of the accumulated other comprehensive loss balance. Remeasurements of intercompany advances denominated in a currency other than the functional currency of the entity that are of a long-term investment nature are recognized as a separate component of other comprehensive loss within stockholders' equity. Gains and losses resulting from balance sheet remeasurements of assets and liabilities denominated in a different currency than the functional currency, other than intercompany advances that are of a long-term investment nature, are included in the consolidated statements of operations within "Other operating income, net" as incurred and were not material during the periods presented.
Revenue and Cost Recognition	Revenue and Cost Recognition The Company's revenue contracts may include one or more promises to transfer a distinct good or service to the customer, which is referred to as a "performance obligation," and to which revenue is allocated. The Company recognizes revenue and the related cost when, or as, the performance obligations are satisfied. The majority of significant contracts for custom engineered products have a single performance obligation as no individual good or service is separately identifiable from other performance obligations in the contracts. For contracts with multiple distinct performance obligations, the Company allocates revenue to the identified performance obligations in the contract. The Company's product sales terms do not include significant post-performance obligations. The Company's performance obligations may be satisfied at a point in time or over time as work progresses. Revenues from products and services transferred to customers at a point in time accounted for approximately 35%, 38% and 34% of consolidated revenues for the years ended December 31, 2021, 2020 and 2019, respectively. The majority of the Company's revenue recognized at a point in time is derived from short-term contracts for standard products. Revenue on these contracts is recognized when control over the product has transferred to the customer. Indicators the Company considers in determining when transfer of control to the customer occurs include: right to payment for the product, transfer of legal title to the customer, transfer of physical possession of the product, transfer of risk and customer acceptance of the product. Revenues from products and services transferred to customers over time accounted for approximately 65%, 62% and 66% of consolidated revenues for the years ended December 31, 2021, 2020 and 2019, respectively. The majority of the Company's revenue recognized over time is for services provided under short-term contracts, with revenue recognized as the customer receives and consumes the services. In addition, the Company manufactures certain products to individual customer specifications under short-term contracts for which control passes to the customer as the performance obligations are fulfilled and for which revenue is recognized over time. For significant project-related contracts involving custom engineered products within the Offshore/Manufactured Products segment (also referred to as "project-driven products"), revenues are typically recognized over time using an input measure such as the percentage of costs incurred to date relative to total estimated costs at completion for each contract (cost-to-cost method). Contract costs include labor, material and overhead. Management believes this method is the most appropriate measure of progress on large contracts. Billings on such contracts in excess of costs incurred and estimated profits are classified as a contract liability (deferred revenue). Costs incurred and estimated profits in excess of billings on these contracts are recognized as a contract asset (a component of accounts receivable). Contract estimates for project-related contracts involving custom engineered products are based on various assumptions to project the outcome of future events that may span several years. Changes in assumptions that may affect future project costs and margins include production efficiencies, the complexity of the work to be performed and the availability and costs of labor, materials and subcomponents. As a significant change in one or more of these estimates could affect the profitability of the Company's contracts, contract-related estimates are reviewed regularly. The Company recognizes adjustments in estimated costs and profits on contracts in the period the adjustment is identified. Revenue and profit in future periods of contract performance are recognized using the adjusted estimate. If at any time the estimate of contract profitability indicates an anticipated loss will be incurred on the contract, the full loss is recognized in the period it is identified. Product costs and service costs include all direct material and labor costs and those costs related to contract performance, such as indirect labor, supplies, tools and repairs. As disclosed in the consolidated statements of operations, product costs and service costs exclude depreciation and amortization expense and impairment of fixed assets, which are separately presented. Selling, general and administrative costs are charged to expense as incurred. Taxes assessed by a governmental authority that are both imposed on and concurrent with a specific revenue-producing transaction, and that are collected by the Company from a customer, are excluded from revenue. Shipping and handling costs associated with outbound freight after control over a product has transferred to a customer are accounted for as a fulfillment cost and are included in cost of products. Proceeds from customers for the cost of oilfield rental equipment that is damaged or lost downhole are reflected as gains or losses on the disposition of assets after considering the write-off of the remaining net book value of the equipment.
Income Taxes	Income Taxes The Company follows the liability method of accounting for income taxes. Under this method, deferred income taxes are recorded based upon the differences between the financial reporting and tax bases of assets and liabilities and are measured using the enacted tax rates and laws in effect at the time the underlying assets or liabilities are recovered or settled. As of December 31, 2021, the Company's total investment in foreign subsidiaries is considered to be permanently reinvested outside of the United States. The Company accounts for the U.S. tax effect of global intangible low-taxed income earned by foreign subsidiaries in the period that such income is earned. The Company records a valuation allowance in the reporting period when management believes that it is more likely than not that any deferred tax asset will not be realized. This assessment requires analysis of changes in tax laws as well as available positive and negative evidence, including consideration of losses in recent years, reversals of temporary differences, forecasts of future income and assessment of future business and tax planning strategies. During 2021, 2020 and 2019, the Company recorded valuation allowances primarily with respect to foreign and U.S. state net operating loss ("NOL") carryforwards. The calculation of tax liabilities involves assessing uncertainties regarding the application of complex tax regulations. Uncertain tax positions are accounted for using a recognition threshold and a measurement attribute for the financial statement recognition and measurement of tax positions taken or expected to be taken in a tax return. For those benefits to be recognized, a tax position must be more-likely-than-not to be sustained upon examination by taxing authorities. If management ultimately determines that payment of these amounts is unnecessary, the liability is reversed and a tax benefit is recognized during the period in which management determines that the liability is no longer necessary. An additional charge is recorded as a provision for taxes in the period in which management determines that the recorded tax liability is less than the expected ultimate assessment.
Receivables and Concentration of Credit Risk	Receivables and Concentration of Credit Risk Based on the nature of its customer base, the Company does not believe that it has any significant concentrations of credit risk other than its concentration in the worldwide oil and gas industry. Note 13, "Segments and Related Information," provides further information with respect to the Company's geographic revenues and significant customers. The Company evaluates the credit-worthiness of significant customers' financial condition and, generally, the Company does not require significant collateral from its customers.
Allowances for Doubtful Accounts	Allowances for Doubtful Accounts The Company maintains allowances for estimated losses resulting from the inability of the Company's customers to make required payments. Determination of the collectability of amounts due from customers requires management to make judgments regarding future events and trends. Allowances for doubtful accounts are established through an assessment of the Company's portfolio on an individual customer and consolidated basis taking into account current and expected future market conditions and trends. This process consists of a thorough review of historical collection experience, current aging status of customer accounts, and financial condition of the Company's customers as well as political and economic factors in countries of operations and other customer-specific factors. Based on a review of these factors, the Company establishes or adjusts allowances for trade and unbilled receivables as well as contract assets. If the financial condition of the Company's customers were to deteriorate further, adversely affecting their ability to make payments, additional allowances may be required. If a customer receivable is deemed to be uncollectible, the receivable is charged-off against allowance for doubtful accounts.
Earnings per Share	Earnings per Share Basic earnings per share ("EPS") on the face of the accompanying consolidated statements of operations is computed by dividing the net income or loss applicable to the Company's common stockholders by the weighted average shares of outstanding common stock. The calculation of diluted EPS is similar to basic EPS, except that the denominator includes dilutive common stock equivalents and the income or loss in the numerator excludes the impact, if any, of dilutive common stock equivalents. Diluted EPS includes the effect, if dilutive, of the Company's outstanding stock options, restricted stock and convertible securities under the treasury stock method. Currently issued and outstanding shares of restricted stock remain subject to vesting requirements. The Company is required to compute EPS amounts under the two class method in periods with earnings. Holders of shares of unvested restricted stock are entitled to the same liquidation and dividend rights as holders of outstanding common stock and are thus considered participating securities. Under applicable accounting guidance, undistributed earnings, if any, for each period are allocated based on the participation rights of both the common stockholders and holders of any participating securities as if earnings for the respective periods had been distributed. Because both the liquidation and dividend rights are identical, undistributed earnings are allocated on a proportionate basis.
Stock-Based Compensation	Stock-Based Compensation The fair value of share-based payments is estimated using the quoted market price of the Company's common stock and pricing models as of the date of grant as further discussed in Note 11, "Long-Term Incentive and Deferred Compensation Plans." The resulting cost, net of estimated forfeitures, is recognized over the period during which an employee is required to provide service in exchange for the awards, usually the vesting period. In addition to service-based awards, the Company issues performance-based awards, which are conditional based upon Company performance. Performance-based award expense, and ultimate vesting, is recognized in an amount that depends on the Company's probable achievement of specified performance objectives.
Guarantees	Guarantees Some product sales in the Offshore/Manufactured Products segment are sold with an assurance warranty, generally ranging from 12 to 18 months. Parts and labor are covered under the terms of the warranty agreement. Warranty provisions are estimated based upon historical experience by product, configuration and geographic region. During the ordinary course of business, the Company also provides standby letters of credit or other guarantee instruments to certain parties as required for certain transactions initiated by either the Company or its subsidiaries. As of December 31, 2021, the maximum potential amount of future payments that the Company could be required to make under these guarantee agreements (letters of credit) was $16.1 million. The Company has not recorded any liability in connection with these guarantee arrangements. The Company does not believe, based on historical experience and information currently available, that it is likely that any material amounts will be required to be paid under these guarantee arrangements.
Accounting for Contingencies	Accounting for Contingencies The Company has contingent liabilities and future claims for which estimates of the amount of the eventual cost to liquidate such liabilities are accrued. These liabilities and claims sometimes involve threatened or actual litigation where damages have been quantified and an assessment of exposure has been made and recorded in an amount estimated to cover the expected loss. Other claims or liabilities have been estimated based on their fair value or management's experience in such matters and, when appropriate, the advice of outside counsel or other outside experts. Upon the ultimate resolution of these uncertainties, future reported financial results will be impacted by the difference between the accruals and actual amounts paid in settlement. Examples of areas with important estimates of future liabilities include duties, income taxes, litigation, insurance claims and contractual claims and obligations.
Recent Accounting Pronouncements	Recent Accounting Pronouncements From time to time, new accounting pronouncements are issued by the Financial Accounting Standards Board (the "FASB"), which are adopted by the Company as of the specified effective date. Unless otherwise discussed, management believes that the impact of recently issued standards, which are not yet effective, will not have a material impact on the Company's Consolidated Financial Statements upon adoption. In August 2020, the FASB issued updated guidance to simplify the accounting for convertible instruments and contracts in an entity's own equity (referred to as "ASU 2020-06"). This guidance eliminated the requirement that the carrying value of convertible debt instruments, such as the Company's 1.50% convertible senior notes due 2023 (the "2023 Notes"), be allocated between debt and equity components. As permitted under the standard, the Company adopted the guidance on January 1, 2021, using the modified retrospective transition method. Adoption of the standard resulted in a $12.2 million increase in the net carrying value of the 2023 Notes, a $2.7 million decrease in deferred income taxes and a $9.5 million net decrease in stockholders' equity. The effective interest rate associated with the 2023 Notes after adoption decreased from approximately 6% to approximately 2%, which compares to the contractual interest rate of 1.50%. As further discussed in Note 6, "Long-term Debt," the Company issued $135.0 million principal amount of its 4.75% convertible senior notes due 2026 (the "2026 Notes") on March 19, 2021, which have been accounted for in accordance with the provisions of ASU 2020-06.

Asset Impairments and Other R_2

Asset Impairments and Other Restructuring Items (Tables)	12 Months Ended
	Dec. 31, 2021
Restructuring and Related Activities [Abstract]
Schedule of Asset Impairment Charges	During 2019, the Company recorded the following charges (in thousands): Offshore/ Manufactured Products Downhole Technologies Well Site Services Corporate Pre-tax Total Tax After-tax Total Impairments of: Goodwill (Note 5) $ — $ 165,000 $ — $ — $ 165,000 $ — $ 165,000 Fixed assets (Note 4) — — 33,697 — 33,697 7,076 26,621 Severance and restructuring costs 1,655 — 1,847 — 3,502 735 2,767 Offshore/ Manufactured Products Downhole Technologies Well Site Services Corporate Pre-tax Total Tax After-tax Total Impairments of: Goodwill (Note 5) $ 86,500 $ 192,502 $ 127,054 $ — $ 406,056 $ 19,600 $ 386,456 Fixed assets (Note 4) — 1,623 8,845 — 10,468 2,198 8,270 Operating lease assets (Note 7) — 1,979 — — 1,979 416 1,563 Inventories (Note 4) 16,249 5,921 8,981 — 31,151 5,979 25,172 Severance and restructuring costs 1,355 2,018 4,311 1,385 9,069 1,904 7,165 During 2021, the Company continued its restructuring efforts, closed additional facilities in the United States, liquidated an international operation and continued to assess the carrying value of its assets based on management actions and the industry outlook regarding demand for and pricing of its products and services, and recorded the following charges (in thousands): Offshore/ Manufactured Products Downhole Technologies Well Site Services Corporate Pre-tax Total Tax After-tax Total Impairments of: Fixed assets (Note 4) $ — $ — $ 1,372 $ — $ 1,372 $ 289 $ 1,083 Operating lease assets (Note 7) — — 2,794 — 2,794 587 2,207 Inventories (Note 4) — 2,113 1,468 — 3,581 752 2,829 Severance and restructuring costs (1) 868 809 4,266 1,555 7,498 1,573 5,925 Release of foreign currency translation adjustments on liquidation of an international operation (Note 8) — — — 9,320 9,320 — 9,320 ____________________ (1) Includes recognition of $1.9 million in additional lease-related liabilities associated with the exit of a long-term lease supporting the Well Site Services segment.

Details of Selected Balance S_2

Details of Selected Balance Sheet Accounts (Tables)	12 Months Ended
	Dec. 31, 2021
Details of Selected Balance Sheet Accounts [Abstract]
Schedule of Accounts Receivable, Net	Additional information regarding selected balance sheet accounts as of December 31, 2021 and December 31, 2020 is presented below (in thousands): 2021 2020 Accounts receivable, net: Trade $ 116,434 $ 109,294 Unbilled revenue 24,389 23,173 Contract assets 39,755 35,870 Other 9,973 3,102 Total accounts receivable 190,551 171,439 Allowance for doubtful accounts (4,471) (8,304) $ 186,080 $ 163,135 Allowance for doubtful accounts as a percentage of total accounts receivable 2 % 5 %
Schedule of Contract with Customer, Asset and Liability	2021 2020 Deferred revenue (contract liabilities) $ 43,236 $ 43,384
Schedule of Inventory, Net	2021 2020 Inventories, net: Finished goods and purchased products $ 87,934 $ 88,634 Work in process 24,722 27,063 Raw materials 96,357 95,410 Total inventories 209,013 211,107 Allowance for excess or obsolete inventory (40,440) (40,731) $ 168,573 $ 170,376
Schedule of Property, Plant and Equipment, Net	Estimated 2021 2020 Property, plant and equipment, net: Land $ 33,536 $ 34,968 Buildings and leasehold improvements 1 – 40 255,530 267,072 Machinery and equipment 2 – 28 247,285 239,986 Completion-related rental equipment 1 – 10 510,816 507,755 Office furniture and equipment 1 – 10 33,155 35,767 Vehicles 3 – 10 66,431 81,607 Construction in progress 4,780 7,207 Total property, plant and equipment 1,151,533 1,174,362 Accumulated depreciation (812,950) (790,800) $ 338,583 $ 383,562
Schedule of Other Noncurrent Assets	2021 2020 Other noncurrent assets: Deferred compensation plan $ 23,348 $ 22,801 Deferred financing costs 2,674 — Deferred income taxes 1,878 1,280 Other 4,989 5,646 $ 32,889 $ 29,727
Schedule of Accrued Liabilities	2021 2020 Accrued liabilities: Accrued compensation $ 20,904 $ 18,463 Accrued taxes, other than income taxes 5,130 7,307 Insurance liabilities 6,361 7,694 Accrued interest 3,629 2,202 Accrued commissions 2,194 1,416 Other 5,183 7,422 $ 43,401 $ 44,504

Goodwill and Other Intangible_2

Goodwill and Other Intangible Assets (Tables)	12 Months Ended
	Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]
Schedule of Goodwill	Changes in the carrying amount of goodwill for the years ended December 31, 2021 and 2020 were as follows (in thousands): Offshore / Manufactured Downhole Technologies Well Site Services Total Balance as of December 31, 2019 Goodwill $ 162,750 $ 357,502 $ 244,349 $ 764,601 Accumulated impairment losses — (165,000) (117,295) (282,295) 162,750 192,502 127,054 482,306 Goodwill impairment (March 2020) (86,500) (192,502) (127,054) (406,056) Foreign currency translation 239 — — 239 Balance as of December 31, 2020 $ 76,489 $ — $ — $ 76,489 Balance as of December 31, 2020 Goodwill $ 162,989 $ 357,502 $ 244,349 $ 764,840 Accumulated impairment losses (86,500) (357,502) (244,349) (688,351) 76,489 — — 76,489 Foreign currency translation (77) — — (77) Balance as of December 31, 2021 $ 76,412 $ — $ — $ 76,412 Balance as of December 31, 2021 Goodwill $ 162,912 $ 357,502 $ 244,349 $ 764,763 Accumulated impairment losses (86,500) (357,502) (244,349) (688,351) $ 76,412 $ — $ — $ 76,412
Schedule of Finite-Lived Intangible Assets	The following table presents the gross carrying amount and the related accumulated amortization for major intangible asset classes as of December 31, 2021 and 2020 (in thousands): 2021 2020 Gross Accumulated Net Carrying Amount Gross Accumulated Net Carrying Amount Other intangible assets: Customer relationships $ 168,284 $ 66,734 $ 101,550 $ 168,288 $ 55,380 $ 112,908 Patents/Technology/Know-how 78,821 33,151 45,670 75,920 26,124 49,796 Noncompete agreements — — — 16,044 14,742 1,302 Tradenames and other 53,708 15,179 38,529 53,708 11,965 41,743 $ 300,813 $ 115,064 $ 185,749 $ 313,960 $ 108,211 $ 205,749

Long-term Debt (Tables)

Long-term Debt (Tables)	12 Months Ended
	Dec. 31, 2021
Debt Disclosure [Abstract]
Schedule of Long-term Debt Instruments	As of December 31, 2021 and 2020, long-term debt consisted of the following (in thousands): 2021 2020 Revolving credit facilities (1) $ — $ 18,408 2026 Notes (2) 131,291 — 2023 Notes (3) 25,802 143,242 Promissory note 17,534 17,095 Other debt and finance lease obligations 4,123 4,792 Total debt 178,750 183,537 Less: Current portion (18,262) (17,778) Total long-term debt $ 160,488 $ 165,759 ____________________ (1) Presented net of $0.6 million of unamortized deferred financing costs as of December 31, 2020. Unamortized deferred financing costs of $2.7 million as of December 31, 2021 are presented in Other noncurrent assets. (2) The outstanding principal amount of the 2026 Notes was $135.0 million as of December 31, 2021. (3) The outstanding principal amount of the 2023 Notes was $26.0 million and $157.4 million as of December 31, 2021 and December 31, 2020, respectively. The following table provides details with respect to the carrying amount of the 2023 Notes in the consolidated balance sheets as of December 31, 2021 and 2020 (in thousands): 2021 2020 Principal amount of the liability component $ 25,969 $ 157,369 Less: Unamortized discount — 12,308 Less: Unamortized issuance costs 167 1,819 Net carrying amount of the liability component $ 25,802 $ 143,242 Net carrying amount of the equity component n.a. $ 25,683 The following table provides a summary of the Company's purchases of outstanding 2023 Notes during the years ended December 31, 2021, 2020 and 2019, with non-cash gains reported within Other income, net (in thousands): Principal Amount Carrying Value of Liability Cash Paid Non-cash Gains Recognized 2021 $ 131,400 $ 129,974 $ 125,952 $ 4,022 2020 34,881 30,799 20,078 10,721 2019 7,750 6,724 6,724 —
Schedule of Maturities of Long-term Debt	Scheduled maturities of total debt as of December 31, 2021, are as follows (in thousands): 2022 18,262 2023 26,311 2024 485 2025 512 2026 131,806 Thereafter 1,374 $ 178,750
Schedule of Significant Provisions of Our Revolving Credit Facility	The following provides a summary of the more significant provisions of the Company's former revolving credit facility. Prior to June 17, 2020 From June 17, 2020 to February 10, 2021 Lender commitments $350 million $200 million Interest rate on outstanding borrowings (1) : LIBOR based borrowings LIBOR plus a margin of 1.75% to 3.00% LIBOR plus a margin of 2.50% to 3.75% Base-rate based borrowings Base rate plus a margin of 0.75% to 2.00% Base rate plus a margin of 1.50% to 2.75% Commitment fees (2) 0.25% to 0.50% 0.375% to 0.50% ____________________ (1) Based on the ratio of the Company's total net funded debt to consolidated EBITDA. (2) Based on unused commitments under the credit agreement.

Operating Leases (Tables)

Operating Leases (Tables)	12 Months Ended
	Dec. 31, 2021
Leases [Abstract]
Carrying Value of Operating Lease Assets	The following table presents the carry value of operating lease assets in the Company's consolidated balance sheets as of December 31, 2021 and 2020 (in thousands): 2021 2020 Operating lease assets, net $ 25,388 $ 33,140
Lease, Cost	The following table provides details regarding the components of operating lease expense based on the initial term of underlying agreements for the years ended December 31, 2021, 2020 and 2019 (in thousands): 2021 2020 2019 Operating lease expense components: Leases with initial term of greater than 12 months $ 9,412 $ 12,564 $ 11,972 Leases with initial term of 12 months or less 4,232 4,024 5,906 Total operating lease expense $ 13,644 $ 16,588 $ 17,878 Weighted-average remaining lease term (years) 6.2 Weighted-average discount rate 5.0 %
Maturities of Operating Lease Liabilities	The following table provides the scheduled maturities of operating lease liabilities as of December 31, 2021 (in thousands): 2022 $ 7,942 2023 6,026 2024 4,531 2025 4,164 2026 3,963 Thereafter 8,167 Total lease payments 34,793 Less: Imputed interest (4,860) Present value of operating lease liabilities 29,933 Less: Current portion (6,481) Total long-term operating lease liabilities $ 23,452

Stockholders' Equity (Tables)

Stockholders' Equity (Tables)	12 Months Ended
	Dec. 31, 2021
Equity [Abstract]
Schedule of Common Stock Outstanding Roll Forward	The following table provides details with respect to the changes to the number of shares of common stock, $0.01 par value, outstanding during 2021 (in thousands): Issued Treasury Stock Outstanding Shares of common stock outstanding – December 31, 2019 72,546 12,045 60,501 Restricted stock awards, net of forfeitures 743 — 743 Shares withheld for taxes on vesting of stock awards — 239 (239) Shares of common stock outstanding – December 31, 2020 73,289 12,284 61,005 Restricted stock awards, net of forfeitures 611 — 611 Shares withheld for taxes on vesting of stock awards — 238 (238) Shares of common stock outstanding – December 31, 2021 73,900 12,522 61,378

Income Taxes (Tables)

Income Taxes (Tables)	12 Months Ended
	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Schedule of Income before Income Tax, Domestic and Foreign	Consolidated loss before income taxes for the years ended December 31, 2021, 2020 and 2019 consisted of the following (in thousands): 2021 2020 2019 United States $ (56,665) $ (534,452) $ (254,291) Foreign (16,669) 123 13,564 Total $ (73,334) $ (534,329) $ (240,727)
Schedule of Components of Income Tax Expense (Benefit)	Components of income tax benefit for the years ended December 31, 2021, 2020 and 2019 consisted of the following (in thousands): 2021 2020 2019 Current: United States $ 370 $ (44,399) $ 300 U.S. state 250 235 292 Foreign (1,322) 2,622 5,958 (702) (41,542) 6,550 Deferred: United States (7,662) (20,913) (13,972) U.S. state (177) (1,798) (473) Foreign (800) (1,693) (1,024) (8,639) (24,404) (15,469) Total income tax benefit $ (9,341) $ (65,946) $ (8,919)
Schedule of Effective Income Tax Rate Reconciliation	A reconciliation of the U.S. statutory tax benefit rate to the effective tax benefit rate for the years ended December 31, 2021, 2020 and 2019 is as follows: 2021 2020 2019 U.S. statutory tax benefit rate (21.0) % (21.0) % (21.0) % Release of foreign currency translation adjustments on liquidation of an international operation 2.7 — — Impairments of goodwill — 12.3 14.4 Effect of CARES Act — (3.1) — State income taxes, net of federal benefits (1.6) (1.1) (0.4) Effect of foreign income taxed at different rates (0.4) 0.1 0.7 Valuation allowances against tax assets 3.3 0.3 0.8 Non-deductible compensation 1.1 0.1 0.3 Other non-deductible expenses, net 3.2 0.1 1.5 Effective tax benefit rate (12.7) % (12.3) % (3.7) %
Schedule of Deferred Tax Assets and Liabilities	The significant items giving rise to the deferred tax assets and liabilities as of December 31, 2021 and 2020 are as follows (in thousands): 2021 2020 Deferred tax assets: Foreign tax credit carryforwards $ 20,360 $ 20,870 Net operating loss carryforwards 46,304 37,838 Employee benefits 5,456 7,353 Inventories 10,192 9,696 Operating lease liabilities 5,355 6,697 Other 6,899 7,649 Gross deferred tax asset 94,566 90,103 Valuation allowance (37,643) (35,497) Net deferred tax asset 56,923 54,606 Deferred tax liabilities: Tax over book depreciation (23,938) (27,613) Intangible assets (29,671) (30,392) Convertible senior notes discount — (2,790) Operating lease assets (4,355) (5,884) Other (718) (910) Deferred tax liability (58,682) (67,589) Net deferred tax liability $ (1,759) $ (12,983)
Schedule Of Deferred Tax Reclassifications	2021 2020 Balance sheet classification: Other non-current assets $ 1,878 $ 1,280 Deferred tax liability (3,637) (14,263) Net deferred tax liability $ (1,759) $ (12,983)

Net Loss Per Share (Tables)

Net Loss Per Share (Tables)	12 Months Ended
	Dec. 31, 2021
Earnings Per Share [Abstract]
Schedule of Earnings Per Share, Basic and Diluted	The table below provides a reconciliation of the numerators and denominators of basic and diluted net loss per share for the years ended December 31, 2021, 2020 and 2019 (in thousands, except per share amounts): Year Ended 2021 2020 2019 Numerators: Net loss $ (63,993) $ (468,383) $ (231,808) Less: Income attributable to unvested restricted stock awards — — — Numerator for basic net loss per share (63,993) (468,383) (231,808) Effect of dilutive securities: Unvested restricted stock awards — — — Numerator for diluted net loss per share $ (63,993) $ (468,383) $ (231,808) Denominators: Weighted average number of common shares outstanding 61,314 60,953 60,424 Less: Weighted average number of unvested restricted stock awards outstanding (1,021) (1,141) (1,045) Denominator for basic and diluted net loss per share 60,293 59,812 59,379 Net loss per share: Basic $ (1.06) $ (7.83) $ (3.90) Diluted (1.06) (7.83) (3.90)

Long-Term Incentive Compensat_2

Long-Term Incentive Compensation (Tables)	12 Months Ended
	Dec. 31, 2021
Share-based Payment Arrangement [Abstract]
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity	The following table presents changes in restricted stock awards and related information for the year ended December 31, 2021 (shares in thousands): Service-based Restricted Stock Performance-based Restricted Stock Number of Shares Weighted Average Grant Date Fair Value Number of Shares Weighted Average Grant Date Fair Value Total Number of Restricted Shares Unvested, December 31, 2020 1,087 $ 14.07 287 $ 12.13 1,374 Granted 601 6.77 245 6.84 846 Vested (636) 14.69 (70) 6.55 (705) Forfeited (59) 13.60 (105) 15.86 (164) Unvested, December 31, 2021 993 $ 9.29 358 $ 8.49 1,350

Segments and Related Informat_2

Segments and Related Information (Tables)	12 Months Ended
	Dec. 31, 2021
Segment Reporting [Abstract]
Schedule of Segment Reporting Information, by Segment	Financial information by business segment for each of the three years ended December 31, 2021, 2020 and 2019, is summarized in the following table (in thousands). Revenues Depreciation and amortization Operating income (loss) Capital expenditures Total assets 2021 Offshore/Manufactured Products $ 298,729 $ 22,190 $ 15,447 $ 4,628 $ 541,346 Downhole Technologies (1) 103,492 17,591 (13,470) 901 267,468 Well Site Services (2) 170,940 40,152 (34,511) 10,977 200,874 Corporate — 808 (32,258) 1,011 76,060 Total $ 573,161 $ 80,741 $ (64,792) $ 17,517 $ 1,085,748 2020 Offshore/Manufactured Products (3) $ 340,300 $ 21,881 $ (80,794) $ 2,913 $ 547,962 Downhole Technologies (4) 97,936 22,649 (224,414) 3,230 280,096 Well Site Services (5) 199,839 53,240 (193,388) 6,937 244,932 Corporate — 773 (35,744) (331) 79,270 Total $ 638,075 $ 98,543 $ (534,340) $ 12,749 $ 1,152,260 2019 Offshore/Manufactured Products $ 402,946 $ 22,842 $ 36,022 $ 7,692 $ 677,036 Downhole Technologies (6) 182,314 21,247 (164,008) 13,808 529,677 Well Site Services (7) 432,094 78,413 (55,040) 33,470 478,249 Corporate — 817 (45,154) 1,146 42,905 Total $ 1,017,354 $ 123,319 $ (228,180) $ 56,116 $ 1,727,867 ________________ (1) Operating loss included a non-cash inventory impairment charge of $2.1 million. (2) Operating loss included non-cash inventory and fixed and operating lease asset impairment charges of $1.5 million and $4.2 million, respectively. (3) Operating loss included non-cash goodwill and inventory impairment charges of $86.5 million and $16.2 million, respectively. (4) Operating loss included non-cash goodwill, inventory and fixed and operating lease impairment charges of $192.5 million, $5.9 million and $3.6 million, respectively. (5) Operating loss included non-cash goodwill, inventory and fixed asset impairment charges of $127.1 million, $9.0 million and $8.8 million, respectively. (6) Operating loss included a non-cash goodwill impairment charge of $165.0 million. (7) Operating loss included a non-cash fixed asset impairment charge of $33.7 million. See Note 3, "Asset Impairments and Other Restructuring Items," and Note 4, "Details of Selected Balance Sheet Accounts," for further discussion of these and other charges and benefits.
Supplemental Revenue Information by Segments	The following tables provide supplemental disaggregated revenue from contracts with customers by operating segment for the years ended December 31, 2021, 2020 and 2019 (in thousands): Offshore/Manufactured Products Downhole Technologies Well Site Services 2021 2020 2019 2021 2020 2019 2021 2020 2019 Major revenue categories - Project-driven products $ 122,097 $ 165,497 $ 159,205 $ — $ — $ — $ — $ — $ — Short-cycle: Completion products and services 41,640 26,148 95,806 103,492 97,936 182,314 160,881 191,529 390,748 Drilling services — — — — — — 10,059 8,310 41,346 Other products 23,534 21,994 27,416 — — — — — — Total short-cycle 65,174 48,142 123,222 103,492 97,936 182,314 170,940 199,839 432,094 Other products and services 111,458 126,661 120,519 — — — — — — $ 298,729 $ 340,300 $ 402,946 $ 103,492 $ 97,936 $ 182,314 $ 170,940 $ 199,839 $ 432,094
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas	Financial information by geographic location for the years ended December 31, 2021, 2020 and 2019, is summarized below (in thousands). Revenues are attributable to countries based on the location of the entity selling the products or performing the services and include export sales. Long-lived assets are attributable to countries based on the physical location of the operations and its operating assets and do not include intercompany receivable balances. United States United Kingdom Singapore Other Total 2021 Revenues from unaffiliated customers $ 447,002 $ 59,352 $ 35,886 $ 30,921 $ 573,161 Long-lived assets 487,749 79,723 15,202 43,459 626,133 2020 Revenues from unaffiliated customers $ 463,382 $ 76,808 $ 57,513 $ 40,372 $ 638,075 Long-lived assets 554,926 78,622 16,509 48,883 698,940 2019 Revenues from unaffiliated customers $ 831,317 $ 70,641 $ 56,170 $ 59,226 $ 1,017,354 Long-lived assets 1,046,250 81,855 18,260 69,372 1,215,737

Valuation Allowances (Tables)

Valuation Allowances (Tables)	12 Months Ended
	Dec. 31, 2021
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]
Summary of Valuation Allowance	Activity in the valuation accounts was as follows (in thousands): Balance at Beginning of Period Charged to Costs and Expenses Deductions (net of recoveries) Translation and Other, Net Balance at End of Period Year Ended December 31, 2021: Allowance for doubtful accounts receivable $ 8,304 $ 705 $ (3,932) $ (606) $ 4,471 Allowance for excess or obsolete inventory 40,731 4,806 (4,919) (178) 40,440 Valuation allowance on deferred tax assets 35,497 3,161 (751) (264) 37,643 Year Ended December 31, 2020: Allowance for doubtful accounts receivable $ 8,745 $ 3,409 $ (5,049) $ 1,199 $ 8,304 Allowance for excess or obsolete inventory 19,031 32,974 (11,719) 445 40,731 Valuation allowance on deferred tax assets 35,828 1,890 — (2,221) 35,497 Year Ended December 31, 2019: Allowance for doubtful accounts receivable $ 6,701 $ 2,776 $ (819) $ 87 $ 8,745 Allowance for excess or obsolete inventory 18,551 3,040 (2,644) 84 19,031 Valuation allowance on deferred tax assets 33,762 2,558 — (492) 35,828

Organization and Basis of Pre_2

Organization and Basis of Presentation (Details)	12 Months Ended
	Dec. 31, 2021segment
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of operating segments	3

Summary of Significant Accoun_3

Summary of Significant Accounting Policies - Narrative (Details)	Jan. 01, 2021USD ($)	Mar. 31, 2020USD ($)	Dec. 31, 2019USD ($)	Dec. 31, 2021USD ($)renewal_option	Dec. 31, 2020USD ($)	Dec. 31, 2019USD ($)	Mar. 19, 2021USD ($)	Jan. 30, 2018USD ($)
Debt Instrument [Line Items]
Impairments of goodwill		$ 406,100,000		$ 0	$ 406,056,000	$ 165,000,000
Impairments of fixed and lease assets				$ 4,166,000	12,447,000	33,697,000
Number of renewal options | renewal_option				1
Research and development expense				$ 4,400,000	6,100,000	$ 7,000,000
Derivative, notional amount				$ 0	$ 0
Revenue, remaining performance obligation, percentage of obligations, remaining in year two				40.00%
Product warranty period minimum				12 months
Product warranty period maximum				18 months
Maximum amount of potential payment under guarantor obligation				$ 16,100,000
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01
Debt Instrument [Line Items]
Revenue, remaining performance obligation				$ 153,600,000
Revenue, remaining performance obligation, expected timing of satisfaction, period				1 year
Transferred at Point in Time
Debt Instrument [Line Items]
Revenue from contract with customer, percentage of revenue				35.00%	38.00%	34.00%
Transferred over Time
Debt Instrument [Line Items]
Revenue from contract with customer, percentage of revenue				65.00%	62.00%	66.00%
Minimum
Debt Instrument [Line Items]
Operating lease, extension term				1 year
Maximum
Debt Instrument [Line Items]
Operating lease, extension term				20 years
Downhole Technologies
Debt Instrument [Line Items]
Impairments of goodwill			$ 165,000,000		$ 192,502,000
Impairments of fixed and lease assets					3,600,000
Well Site Services
Debt Instrument [Line Items]
Impairments of goodwill					127,054,000
Impairments of fixed and lease assets				$ 4,200,000	8,800,000	$ 33,700,000
4.75% Convertible Senior Notes
Debt Instrument [Line Items]
Principal amount of the liability component				$ 135,000,000
Stated interest rate				4.75%			4.75%
Debt instrument, face amount							$ 135,000,000
4.75% Convertible Senior Notes | Fair Value, Inputs, Level 2 | Fair Value
Debt Instrument [Line Items]
Long-term debt, fair value				$ 122,900,000
1.5% Convertible Unsecured Senior Notes
Debt Instrument [Line Items]
Principal amount of the liability component				$ 25,969,000	$ 157,369,000
Stated interest rate				1.50%
Effective interest rate percentage								6.00%
Debt instrument, face amount								$ 200,000,000
1.5% Convertible Unsecured Senior Notes | Convertible Debt
Debt Instrument [Line Items]
Effective interest rate percentage	2.00%				6.00%
1.5% Convertible Unsecured Senior Notes | Cumulative Effect, Period of Adoption, Adjustment | Convertible Debt
Debt Instrument [Line Items]
Debt instrument, increase net	$ 12,200,000
Decrease in deferred income taxes	2,700,000
Net decrease, stockholder's equity	$ 9,500,000
1.5% Convertible Unsecured Senior Notes | Fair Value, Inputs, Level 2 | Fair Value
Debt Instrument [Line Items]
Long-term debt, fair value				$ 24,300,000

Asset Impairments and Other R_3

Asset Impairments and Other Restructuring Items - Schedule of Asset Impairments (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
Impaired Long-Lived Assets Held and Used [Line Items]
Impairments of goodwill	$ 406,100		$ 0	$ 406,056	$ 165,000
Impairment of goodwill loss, tax				19,600	0
Impairment of goodwill loss, net of tax				386,456	165,000
Impairment of fixed asset			1,372	10,468	33,697
Impairment of fixed asset, tax			289	2,198	7,076
Impairment of fixed asset, net of tax			1,083	8,270	26,621
Impairment of operating lease assets			2,794	1,979
Impairment of operating lease assets, tax			587	416
Impairment of operating lease assets, net of tax			2,207	1,563
Impairments of inventories			3,581	31,151	0
Impairment of inventories, tax			752	5,979
Impairment of inventories, net of tax			2,829	25,172
Impairment of severance and restructuring costs			7,498	9,069	3,502
Impairment of severance and restructuring costs, tax			1,573	1,904	735
Impairment of severance and restructuring costs, net of tax			5,925	7,165	2,767
Release of currency translation adjustments on liquidation of an international operation			9,320
Release of foreign currency translation adjustments on liquidation of an international operation, tax			0
Release of foreign currency translation adjustments on liquidation of an international operation, net of tax			9,320	0	0
Operating lease, liability			29,933
Corporate
Impaired Long-Lived Assets Held and Used [Line Items]
Impairments of goodwill				0	0
Impairment of fixed asset			0	0	0
Impairment of operating lease assets			0	0
Impairments of inventories			0	0
Impairment of severance and restructuring costs			1,555	1,385	0
Release of currency translation adjustments on liquidation of an international operation			9,320
Offshore/ Manufactured Products
Impaired Long-Lived Assets Held and Used [Line Items]
Impairments of goodwill				86,500
Impairments of inventories				16,200
Offshore/ Manufactured Products | Operating Segments
Impaired Long-Lived Assets Held and Used [Line Items]
Impairments of goodwill				86,500	0
Impairment of fixed asset			0	0	0
Impairment of operating lease assets			0	0
Impairments of inventories			0	16,249
Impairment of severance and restructuring costs			868	1,355	1,655
Release of currency translation adjustments on liquidation of an international operation			0
Downhole Technologies
Impaired Long-Lived Assets Held and Used [Line Items]
Impairments of goodwill		$ 165,000		192,502
Impairment of fixed asset				1,600
Impairment of operating lease assets			2,800	2,000
Impairments of inventories			2,100	5,900
Downhole Technologies | Operating Segments
Impaired Long-Lived Assets Held and Used [Line Items]
Impairments of goodwill				192,502	165,000
Impairment of fixed asset			0	1,623	0
Impairment of operating lease assets			0	1,979
Impairments of inventories			2,113	5,921
Impairment of severance and restructuring costs			809	2,018	0
Release of currency translation adjustments on liquidation of an international operation			0
Well Site Services
Impaired Long-Lived Assets Held and Used [Line Items]
Impairments of goodwill				127,054
Impairment of fixed asset			1,400
Impairments of inventories			1,500	9,000
Operating lease, liability			1,900
Well Site Services | Operating Segments
Impaired Long-Lived Assets Held and Used [Line Items]
Impairments of goodwill				127,054	0
Impairment of fixed asset			1,372	8,845	33,697
Impairment of operating lease assets			2,794	0
Impairments of inventories			1,468	8,981
Impairment of severance and restructuring costs			4,266	$ 4,311	$ 1,847
Release of currency translation adjustments on liquidation of an international operation			$ 0

Asset Impairments and Other R_4

Asset Impairments and Other Restructuring Items - Narrative (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Mar. 31, 2020	Dec. 31, 2021
Restructuring and Related Activities [Abstract]
Percentage decline in crude oil prices	50.00%
Reduction of payroll tax expense		$ 8.8

Details of Selected Balance S_3

Details of Selected Balance Sheet Accounts - Accounts Receivable (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, gross	$ 190,551	$ 171,439
Allowance for doubtful accounts	(4,471)	(8,304)
Accounts receivable, net	$ 186,080	$ 163,135
Allowance for doubtful accounts as a percentage of total accounts receivable	2.00%	5.00%
Trade
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, gross	$ 116,434	$ 109,294
Unbilled revenue
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, gross	24,389	23,173
Contract assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, gross	39,755	35,870
Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, gross	$ 9,973	$ 3,102

Details of Selected Balance S_4

Details of Selected Balance Sheet Accounts - Contract Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Details of Selected Balance Sheet Accounts [Abstract]
Deferred revenue (contract liabilities)	$ 43,236	$ 43,384

Details of Selected Balance S_5

Details of Selected Balance Sheet Accounts - Narrative (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021USD ($)	Dec. 31, 2020USD ($)	Dec. 31, 2019USD ($)rig	Dec. 31, 2018rig
Concentration Risk [Line Items]
Increase in contract with customer, asset	$ 3,900	$ 9,800
Contract with customer, asset, increase due to revenue recognized	38,900	22,800
Contract with customer, asset, reclassified to receivable	35,000	32,400
Increased (decreased) deferred revenue	(148)	25,549	$ 3,470
Contract with customer, liability, revenue recognized	10,500	16,000
Contract with customer, liability, increase due to billings	10,400	41,600
Increase (decrease) in contract with customer, liability		25,600
Impairments of inventories	3,581	31,151	0
Depreciation	60,100	73,600	96,500
Impairment of fixed asset	1,372	10,468	$ 33,697
Well Site Services
Concentration Risk [Line Items]
Impairments of inventories	1,500	9,000
Impairment of fixed asset	1,400
Well Site Services | Well Site Services Drilling Services
Concentration Risk [Line Items]
Number of rigs | rig			9	34
Number of rigs to be disposed of | rig			25
Impairment of long-lived assets to be disposed of			$ 25,500
Impairment, long-lived asset, held-for-use			$ 8,200
Impairment of fixed asset		5,200
Well Site Services | Completion Services
Concentration Risk [Line Items]
Impairment of fixed asset		3,600
Downhole Technologies
Concentration Risk [Line Items]
Impairments of inventories	$ 2,100	5,900
Impairment of fixed asset		$ 1,600
United States | Geographic Concentration Risk | Accounts Receivable
Concentration Risk [Line Items]
Concentration risk, percentage	73.00%
United Kingdom | Geographic Concentration Risk | Accounts Receivable
Concentration Risk [Line Items]
Concentration risk, percentage	14.00%

Details of Selected Balance S_6

Details of Selected Balance Sheet Accounts - Inventories (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Details of Selected Balance Sheet Accounts [Abstract]
Finished goods and purchased products	$ 87,934	$ 88,634
Work in process	24,722	27,063
Raw materials	96,357	95,410
Total inventories	209,013	211,107
Allowance for excess or obsolete inventory	(40,440)	(40,731)
Inventories, net	$ 168,573	$ 170,376

Details of Selected Balance S_7

Details of Selected Balance Sheet Accounts - Property, Plant and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	$ 1,151,533	$ 1,174,362
Accumulated depreciation	(812,950)	(790,800)
Property, plant, and equipment, net	338,583	383,562
Land
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	33,536	34,968
Buildings and leasehold improvements
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	$ 255,530	267,072
Buildings and leasehold improvements | Minimum
Property, Plant and Equipment [Line Items]
Estimated Useful Life (years)	1 year
Buildings and leasehold improvements | Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Life (years)	40 years
Machinery and equipment
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	$ 247,285	239,986
Machinery and equipment | Minimum
Property, Plant and Equipment [Line Items]
Estimated Useful Life (years)	2 years
Machinery and equipment | Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Life (years)	28 years
Completion-related rental equipment
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	$ 510,816	507,755
Completion-related rental equipment | Minimum
Property, Plant and Equipment [Line Items]
Estimated Useful Life (years)	1 year
Completion-related rental equipment | Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Life (years)	10 years
Office furniture and equipment
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	$ 33,155	35,767
Office furniture and equipment | Minimum
Property, Plant and Equipment [Line Items]
Estimated Useful Life (years)	1 year
Office furniture and equipment | Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Life (years)	10 years
Vehicles
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	$ 66,431	81,607
Vehicles | Minimum
Property, Plant and Equipment [Line Items]
Estimated Useful Life (years)	3 years
Vehicles | Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Life (years)	10 years
Construction in progress
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	$ 4,780	$ 7,207

Details of Selected Balance S_8

Details of Selected Balance Sheet Accounts - Other Noncurrent Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Details of Selected Balance Sheet Accounts [Abstract]
Deferred compensation plan	$ 23,348	$ 22,801
Deferred financing costs	2,674	0
Deferred income taxes	1,878	1,280
Other	4,989	5,646
Other noncurrent assets	$ 32,889	$ 29,727

Details of Selected Balance S_9

Details of Selected Balance Sheet Accounts - Accrued Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Details of Selected Balance Sheet Accounts [Abstract]
Accrued compensation	$ 20,904	$ 18,463
Accrued taxes, other than income taxes	5,130	7,307
Insurance liabilities	6,361	7,694
Accrued interest	3,629	2,202
Accrued commissions	2,194	1,416
Other	5,183	7,422
Accrued liabilities	$ 43,401	$ 44,504

Goodwill and Other Intangible_3

Goodwill and Other Intangible Assets - Changes in the Carrying Value of Goodwill (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
Goodwill [Line Items]
Goodwill		$ 764,601	$ 764,763	$ 764,840	$ 764,601
Accumulated impairment losses		(282,295)	(688,351)	(688,351)	(282,295)
Changes in carrying value of goodwill
Goodwill, net, beginning of period	$ 482,306	647,000	76,489	482,306
Goodwill impairments	(406,100)		0	(406,056)	(165,000)
Foreign currency translation			(77)	239
Goodwill, net, end of period		482,306	76,412	76,489	482,306
Offshore/Manufactured Products
Goodwill [Line Items]
Goodwill		162,750	162,912	162,989	162,750
Accumulated impairment losses		0	(86,500)	(86,500)	0
Changes in carrying value of goodwill
Goodwill, net, beginning of period	162,750		76,489	162,750
Goodwill impairments				(86,500)
Foreign currency translation			(77)	239
Goodwill, net, end of period		162,750	76,412	76,489	162,750
Downhole Technologies
Goodwill [Line Items]
Goodwill		357,502	357,502	357,502	357,502
Accumulated impairment losses		(165,000)	(357,502)	(357,502)	(165,000)
Changes in carrying value of goodwill
Goodwill, net, beginning of period	192,502		0	192,502
Goodwill impairments		(165,000)		(192,502)
Foreign currency translation			0	0
Goodwill, net, end of period		192,502	0	0	192,502
Well Site Services
Goodwill [Line Items]
Goodwill		244,349	244,349	244,349	244,349
Accumulated impairment losses		(117,295)	(244,349)	(244,349)	(117,295)
Changes in carrying value of goodwill
Goodwill, net, beginning of period	$ 127,054		0	127,054
Goodwill impairments				(127,054)
Foreign currency translation			0	0
Goodwill, net, end of period		$ 127,054	$ 0	$ 0	$ 127,054

Goodwill and Other Intangible_4

Goodwill and Other Intangible Assets - Narrative (Details) $ in Thousands	Dec. 01, 2021USD ($)reporting_unit	Dec. 01, 2020USD ($)reporting_unit	Dec. 01, 2019	Mar. 31, 2020USD ($)	Dec. 31, 2019USD ($)	Sep. 30, 2019USD ($)reporting_unit	Dec. 31, 2021USD ($)	Dec. 31, 2020USD ($)	Dec. 31, 2019USD ($)
Goodwill [Line Items]
Number of reporting units with goodwill | reporting_unit	1	1				3
Goodwill, net	$ 76,000	$ 76,000			$ 482,306	$ 647,000	$ 76,412	$ 76,489	$ 482,306
Reporting unit, discount rate	14.50%	15.30%
Impairments of goodwill				$ 406,100			0	406,056	165,000
Amortization of Intangible Assets							$ 20,600	$ 24,900	26,800
Useful life							11 years 3 months 18 days	12 years 4 months 24 days
2022							$ 20,000
2023							17,000
2024							17,000
2025							17,000
2026							17,000
Minimum
Goodwill [Line Items]
Reporting unit, discount rate			12.50%	16.80%
Maximum
Goodwill [Line Items]
Reporting unit, discount rate			13.00%	18.50%
Downhole Technologies
Goodwill [Line Items]
Goodwill, net					192,502		$ 0	$ 0	$ 192,502
Impairments of goodwill					$ 165,000			$ 192,502

Goodwill and Other Intangible_5

Goodwill and Other Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 300,813	$ 313,960
Accumulated Amortization	115,064	108,211
Net Carrying Amount	185,749	205,749
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	168,284	168,288
Accumulated Amortization	66,734	55,380
Net Carrying Amount	101,550	112,908
Patents/Technology/Know-how
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	78,821	75,920
Accumulated Amortization	33,151	26,124
Net Carrying Amount	45,670	49,796
Noncompete agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	0	16,044
Accumulated Amortization	0	14,742
Net Carrying Amount	0	1,302
Tradenames and other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	53,708	53,708
Accumulated Amortization	15,179	11,965
Net Carrying Amount	$ 38,529	$ 41,743

Long-term Debt - Summary of Lon

Long-term Debt - Summary of Long-term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Total debt	$ 178,750	$ 183,537
Less: Current portion	(18,262)	(17,778)
Long-term debt	160,488	165,759
Unamortized debt issuance costs	2,700	600
4.75% Convertible Senior Notes
Debt Instrument [Line Items]
Total debt	131,291	0
Long-term debt, gross	135,000
1.5% Convertible Unsecured Senior Notes
Debt Instrument [Line Items]
Total debt	25,802	143,242
Long-term debt, gross	26,000	157,400
Promissory note
Debt Instrument [Line Items]
Total debt	17,534	17,095
Other debt and finance lease obligations
Debt Instrument [Line Items]
Total debt	4,123	4,792
Revolving Credit Facility
Debt Instrument [Line Items]
Total debt	$ 0	$ 18,408

Long-term Debt - Long-term Debt

Long-term Debt - Long-term Debt Maturities Schedule (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Debt Disclosure [Abstract]
2022	$ 18,262
2023	26,311
2024	485
2025	512
2026	131,806
Thereafter	1,374
Total debt	$ 178,750	$ 183,537

Long-term Debt - Narrative (Det

Long-term Debt - Narrative (Details)	Mar. 19, 2021USD ($)day$ / shares	Feb. 10, 2021USD ($)	Jan. 30, 2018USD ($)$ / shares	Jan. 12, 2018USD ($)	Jun. 16, 2020USD ($)	Feb. 10, 2021USD ($)	Dec. 31, 2021USD ($)	Dec. 31, 2020USD ($)	Dec. 31, 2019USD ($)
Debt Instrument [Line Items]
Letters of credit outstanding							$ 16,100,000
Repayments of convertible debt							125,952,000	$ 20,078,000	$ 6,724,000
Conversion price (in dollars per share) | $ / shares	$ 10.49
Debt instrument carried value							160,488,000	165,759,000
Promissory Note
Debt Instrument [Line Items]
Debt instrument, face amount				$ 25,000,000
Stated interest rate				2.50%
Settlement costs and expenses				$ 7,500,000
Debt instrument carried value							17,500,000
Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity		$ 200,000,000			$ 350,000,000	$ 200,000,000
Long-term line of credit							0
Remaining borrowing capacity							$ 48,900,000
Revolving Credit Facility | Minimum
Debt Instrument [Line Items]
Commitment fee percentage					0.25%	0.375%
Revolving Credit Facility | Minimum | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate					1.75%	2.50%
Revolving Credit Facility | Minimum | Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate					0.75%	1.50%
Revolving Credit Facility | Maximum
Debt Instrument [Line Items]
Commitment fee percentage					0.50%	0.50%
Revolving Credit Facility | Maximum | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate					3.00%	3.75%
Revolving Credit Facility | Maximum | Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate					2.00%	2.75%
Asset-based Revolving Credit Facility | Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity		$ 125,000,000				$ 125,000,000
Debt instrument, springing maturity, term		91 days
Debt instrument, amount of indebtedness subject to springing maturity		$ 17,500,000
Debt instrument, covenant, minimum fixed charge coverage ratio		1
Debt instrument, percentage of borrowing base outstanding subject to covenant		15.00%
Debt instrument, amount of borrowing base outstanding subject to covenant		$ 14,100,000
Asset-based Revolving Credit Facility | Revolving Credit Facility | Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate		0.50%
Asset-based Revolving Credit Facility | Revolving Credit Facility | Minimum
Debt Instrument [Line Items]
Commitment fee percentage		0.375%
Asset-based Revolving Credit Facility | Revolving Credit Facility | Minimum | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate		2.75%
Asset-based Revolving Credit Facility | Revolving Credit Facility | Minimum | Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate		1.75%
Asset-based Revolving Credit Facility | Revolving Credit Facility | Maximum
Debt Instrument [Line Items]
Commitment fee percentage		0.50%
Asset-based Revolving Credit Facility | Revolving Credit Facility | Maximum | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate		3.25%
Asset-based Revolving Credit Facility | Revolving Credit Facility | Maximum | Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate		2.25%
Asset-based Revolving Credit Facility | Letter of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity		$ 50,000,000				$ 50,000,000
4.75% Convertible Senior Notes
Debt Instrument [Line Items]
Debt instrument, face amount	$ 135,000,000
Proceeds from debt, net	$ 130,600,000
Stated interest rate	4.75%						4.75%
Conversion ratio	0.0953516
Percentage of conversion price	130.00%
Threshold trading days | day	20
Threshold consecutive trading days | day	30
Threshold consecutive trading days, sale price per share | day	5
Measurement period | day	5
Percentage of sales price per share	98.00%
Amount of indebtedness in event of default	$ 40,000,000
1.5% Convertible Unsecured Senior Notes
Debt Instrument [Line Items]
Debt instrument, face amount			$ 200,000,000
Repayments of convertible debt	120,000,000						$ 125,952,000	20,078,000	6,724,000
Debt instrument, repurchased face amount	$ 125,000,000
Stated interest rate							1.50%
Conversion ratio			0.0222748
Conversion price (in dollars per share) | $ / shares			$ 44.89
Effective interest rate percentage			6.00%
Debt Instrument, principal amount repurchased							$ 131,400,000	34,881,000	$ 7,750,000
Debt instrument carried value							$ 25,802,000	$ 143,242,000

Long-term Debt - Revolving Cred

Long-term Debt - Revolving Credit Facility (Details) - Revolving Credit Facility - USD ($)	6 Months Ended	8 Months Ended
	Jun. 16, 2020	Feb. 10, 2021
Debt Instrument [Line Items]
Lender commitments	$ 350,000,000	$ 200,000,000
Minimum
Debt Instrument [Line Items]
Commitment fee percentage	0.25%	0.375%
Minimum | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate	1.75%	2.50%
Minimum | Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate	0.75%	1.50%
Maximum
Debt Instrument [Line Items]
Commitment fee percentage	0.50%	0.50%
Maximum | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate	3.00%	3.75%
Maximum | Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate	2.00%	2.75%

Long-term Debt - Carrying Amoun

Long-term Debt - Carrying Amount of the 1.50% Notes (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Less: Unamortized issuance costs	$ 2,700	$ 600
Net carrying amount of the liability component	160,488	165,759
1.5% Convertible Unsecured Senior Notes
Debt Instrument [Line Items]
Principal amount of the liability component	25,969	157,369
Less: Unamortized discount	0	12,308
Less: Unamortized issuance costs	167	1,819
Net carrying amount of the liability component	$ 25,802	143,242
Net carrying amount of the equity component		$ 25,683

Long-term Debt - Repurchase of

Long-term Debt - Repurchase of Outstanding Debt (Details) - USD ($) $ in Thousands	Mar. 19, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Cash Paid		$ 125,952	$ 20,078	$ 6,724
Non-cash Gains Recognized		4,022	10,721	0
1.5% Convertible Unsecured Senior Notes
Debt Instrument [Line Items]
Principal Amount		131,400	34,881	7,750
Carrying Value of Liability		129,974	30,799	6,724
Cash Paid	$ 120,000	125,952	20,078	6,724
Non-cash Gains Recognized		$ 4,022	$ 10,721	$ 0

Operating Leases - Operating Le

Operating Leases - Operating Lease Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating lease assets, net	$ 25,388	$ 33,140

Operating Leases - Narrative (D

Operating Leases - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Lessee, Lease, Description [Line Items]
Non-cash operating lease additions		$ 1,900	$ 53,700
Impairment of operating lease assets	$ 2,794	1,979
Impairments of fixed assets	4,166	12,447	33,697
Operating lease, liability	29,933
Downhole Technologies
Lessee, Lease, Description [Line Items]
Impairment of operating lease assets	2,800	2,000
Impairments of fixed assets		3,600
Well Site Services
Lessee, Lease, Description [Line Items]
Impairments of fixed assets	4,200	$ 8,800	33,700
Operating lease, liability	$ 1,900
Cumulative Effect, Period of Adoption, Adjustment
Lessee, Lease, Description [Line Items]
Non-cash operating lease additions			$ 47,700

Operating Leases - Operating _2

Operating Leases - Operating Lease Expense Components (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating lease expense components:
Leases with initial term of greater than 12 months	$ 9,412	$ 12,564	$ 11,972
Leases with initial term of 12 months or less	4,232	4,024	5,906
Total operating lease expense	$ 13,644	$ 16,588	$ 17,878

Operating Leases - Maturity Lea

Operating Leases - Maturity Lease Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Operating Leases
2022	$ 7,942
2023	6,026
2024	4,531
2025	4,164
2026	3,963
Thereafter	8,167
Total lease payments	34,793
Less: Imputed interest	(4,860)
Present value of operating lease liabilities	29,933
Less: Current portion	(6,481)	$ (7,620)
Total long-term operating lease liabilities	$ 23,452	$ 29,166
Weighted-average remaining lease term (years)	6 years 2 months 12 days
Weighted-average discount rate	5.00%

Stockholders' Equity - Common a

Stockholders' Equity - Common and Preferred Stock (Details) - $ / shares	Dec. 31, 2021	Dec. 31, 2020
Equity [Abstract]
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	25,000,000	25,000,000
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0

Stockholders' Equity - Common S

Stockholders' Equity - Common Stock Outstanding Activity (Details) - shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issued outstanding beginning period (in shares)	73,288,976	72,546,000
Treasury stock outstanding beginning period (in shares)	12,284,000	12,045,000
Shares of common stock outstanding beginning period (in shares)	61,005,000	60,501,000
Restricted stock awards, net of forfeitures (in shares)	611,000	743,000
Shares withheld for taxes on vesting of stock awards (in shares)	238,000	239,000
Issued outstanding ending period (in shares)	73,900,160	73,288,976
Treasury stock outstanding ending period (in shares)	12,522,000	12,284,000
Shares of common stock outstanding ending period (in shares)	61,378,000	61,005,000

Stockholders' Equity - Accumula

Stockholders' Equity - Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' equity	$ 695,826	$ 757,631	$ 1,223,967	$ 1,439,768
Release of currency translation adjustments on liquidation of an international operation	(9,320)	0	0
Other currency translation adjustments	$ (4,000)	$ (3,600)
United Kingdom, Pounds
Accumulated Other Comprehensive Income (Loss) [Line Items]
Exchange rate strengthened (weakened)	(1.00%)	3.00%
Brazil, Brazil Real
Accumulated Other Comprehensive Income (Loss) [Line Items]
Exchange rate strengthened (weakened)	(7.00%)	(23.00%)
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' equity	$ (66,031)	$ (71,385)	$ (67,746)	$ (71,397)
Release of currency translation adjustments on liquidation of an international operation	$ (9,320)

Income Taxes - Consolidated Pre

Income Taxes - Consolidated Pre-tax Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
United States	$ (56,665)	$ (534,452)	$ (254,291)
Foreign	(16,669)	123	13,564
Loss before income taxes	$ (73,334)	$ (534,329)	$ (240,727)

Income Taxes - Narrative (Detai

Income Taxes - Narrative (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating Loss Carryforwards [Line Items]
Release of currency translation adjustments on liquidation of an international operation		$ (9,320,000)	$ 0	$ 0
Impairments of goodwill	$ 406,100,000	0	406,056,000	165,000,000
Nondeductible goodwill impairment losses			313,100,000	$ 165,000,000
Income tax expense (benefit) from carryback of operating losses			16,400,000
Proceeds from CARES Act carryback claims			41,300,000
Valuation allowance		37,643,000	35,497,000
Foreign tax credit carryforwards		20,360,000	20,870,000
Foreign tax credit carryforward, valuation allowance		17,100,000	17,100,000
Unrecognized tax benefits		0	0
Income tax penalties and interest accrued		0	0
Net Operating Loss Carryforward
Operating Loss Carryforwards [Line Items]
Valuation allowance		20,600,000	$ 18,400,000
Domestic Tax Authority | Internal Revenue Service (IRS)
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards		98,700,000
Domestic Tax Authority | Internal Revenue Service (IRS) | GEODynamics, Inc.
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards		37,600,000
State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards		194,200,000
State and Local Jurisdiction | GEODynamics, Inc.
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards		13,600,000
Foreign Tax Authority
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards		44,600,000
Operating loss carryforwards without expiration		$ 15,000,000

Income Taxes - Components of In

Income Taxes - Components of Income Tax Provision (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current:
United States	$ 370	$ (44,399)	$ 300
U.S. state	250	235	292
Foreign	(1,322)	2,622	5,958
Current, Total	(702)	(41,542)	6,550
Deferred:
United States	(7,662)	(20,913)	(13,972)
U.S. state	(177)	(1,798)	(473)
Foreign	(800)	(1,693)	(1,024)
Deferred, Total	(8,639)	(24,404)	(15,469)
Total income tax benefit	$ (9,341)	$ (65,946)	$ (8,919)

Income Taxes - Income Tax Rate

Income Taxes - Income Tax Rate Reconciliation (Details)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
U.S. statutory tax benefit rate	(21.00%)	(21.00%)	(21.00%)
Release of foreign currency translation adjustments on liquidation of an international operation	2.70%	0.00%	0.00%
Impairments of goodwill	0.00%	12.30%	14.40%
Effect of CARES Act	0.00%	(3.10%)	0.00%
State income taxes, net of federal benefits	(1.60%)	(1.10%)	(0.40%)
Effect of foreign income taxed at different rates	(0.40%)	0.10%	0.70%
Valuation allowances against tax assets	3.30%	0.30%	0.80%
Non-deductible compensation	1.10%	0.10%	0.30%
Other non-deductible expenses, net	3.20%	0.10%	1.50%
Effective tax benefit rate	(12.70%)	(12.30%)	(3.70%)

Income Taxes - Deferred Tax Ass

Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Foreign tax credit carryforwards	$ 20,360	$ 20,870
Net operating loss carryforwards	46,304	37,838
Employee benefits	5,456	7,353
Inventories	10,192	9,696
Operating lease liabilities	5,355	6,697
Other	6,899	7,649
Gross deferred tax asset	94,566	90,103
Valuation allowance	(37,643)	(35,497)
Net deferred tax asset	56,923	54,606
Deferred tax liabilities:
Tax over book depreciation	(23,938)	(27,613)
Intangible assets	(29,671)	(30,392)
Convertible senior notes discount	0	(2,790)
Operating lease assets	(4,355)	(5,884)
Other	(718)	(910)
Deferred tax liability	(58,682)	(67,589)
Net deferred tax liability	$ (1,759)	$ (12,983)

Income Taxes - Deferred Tax Rec

Income Taxes - Deferred Tax Reclassifications (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Other non-current assets	$ 1,878	$ 1,280
Deferred tax liability	(3,637)	(14,263)
Net deferred tax liability	$ (1,759)	$ (12,983)

Net Loss Per Share - Schedule o

Net Loss Per Share - Schedule of Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Numerators:
Net loss	$ (63,993)	$ (468,383)	$ (231,808)
Less: Income attributable to unvested restricted stock awards	0	0	0
Numerator for basic net loss per share	(63,993)	(468,383)	(231,808)
Effect of dilutive securities:
Unvested restricted stock awards	0	0	0
Numerator for diluted net loss per share	$ (63,993)	$ (468,383)	$ (231,808)
Denominators:
Weighted average number of common shares outstanding (in shares)	61,314	60,953	60,424
Less: Weighted average number of unvested restricted stock awards outstanding (in shares)	(1,021)	(1,141)	(1,045)
Denominator for basic loss per share (in shares)	60,293	59,812	59,379
Denominator for diluted net loss per share (in shares)	60,293	59,812	59,379
Net loss per share:
Basic (in dollars per share)	$ (1.06)	$ (7.83)	$ (3.90)
Diluted (in dollars per share)	$ (1.06)	$ (7.83)	$ (3.90)

Net Loss Per Share - Narrative

Net Loss Per Share - Narrative (Details) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Earnings Per Share [Abstract]
Antidilutive securities excluded from computation of earnings per share (in shares)	430	582	659

Long-Term Incentive Compensat_3

Long-Term Incentive Compensation - Narrative (Details) - USD ($)	May 11, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense		$ 7,900,000	$ 8,400,000	$ 16,800,000
Number of additional shares authorized for issuance (in shares)	4,500,000
Number of options exercised (in shares)		0	0	0
Outstanding, beginning balance (in shares)		388,000
Options, exercise price range, lower limit (in dollars per share)		$ 42.29
Options, exercise price range, upper limit (in dollars per share)		$ 58.54
Outstanding options, weighted average remaining contractual life		1 year 4 months 24 days
Deferred compensation arrangement, recorded liability		$ 1,500,000	$ 2,000,000
Deferred compensation arrangement, requisite performance period		3 years
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Deferred compensation arrangement, potential maximum liability		$ 0	0
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Deferred compensation arrangement, potential maximum liability		$ 3,100,000	$ 4,000,000
Performance-based Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance period		3 years	3 years	3 years
Percentage of additional performance-based awards issued		200.00%
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Other than options, vested, fair value		$ 9,300,000	$ 14,500,000	$ 18,200,000
Share-based compensation costs not yet recognized		$ 5,800,000
Compensation costs not yet recognized, period for recognition		1 year 4 months 24 days
Service-based Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period		3 years
Number of shares available for future grant (in shares)		5,000,000

Long-Term Incentive Compensat_4

Long-Term Incentive Compensation - Restricted Stock Awards and Related Information (Details) shares in Thousands	12 Months Ended
	Dec. 31, 2021$ / sharesshares
Service-based Restricted Stock
Number of Shares
Outstanding, beginning balance (in shares)	1,087
Granted (in shares)	601
Vested (in shares)	(636)
Forfeited (in shares)	(59)
Outstanding, ending balance (in shares)	993
Weighted Average Grant Date Fair Value
Beginning balance, weighted average grant date fair value (in dollars per share) | $ / shares	$ 14.07
Granted, weighted average grant date fair value (in dollars per share) | $ / shares	6.77
Vested, weighted average grant date fair value (in dollars per share) | $ / shares	14.69
Forfeited, weighted average grant date fair value (in dollars per share) | $ / shares	13.60
Ending balance, weighted average grant date fair value (in dollars per share) | $ / shares	$ 9.29
Performance-based Restricted Stock
Number of Shares
Outstanding, beginning balance (in shares)	287
Granted (in shares)	245
Vested (in shares)	(70)
Forfeited (in shares)	(105)
Outstanding, ending balance (in shares)	358
Weighted Average Grant Date Fair Value
Beginning balance, weighted average grant date fair value (in dollars per share) | $ / shares	$ 12.13
Granted, weighted average grant date fair value (in dollars per share) | $ / shares	6.84
Vested, weighted average grant date fair value (in dollars per share) | $ / shares	6.55
Forfeited, weighted average grant date fair value (in dollars per share) | $ / shares	15.86
Ending balance, weighted average grant date fair value (in dollars per share) | $ / shares	$ 8.49
Restricted Stock
Number of Shares
Outstanding, beginning balance (in shares)	1,374
Granted (in shares)	846
Vested (in shares)	(705)
Forfeited (in shares)	(164)
Outstanding, ending balance (in shares)	1,350

Retirement Plans (Details)

Retirement Plans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Retirement Benefits [Abstract]
Defined contribution plan expense	$ 800	$ 3,400	$ 9,500
Deferred compensation plan	$ 23,348	$ 22,801

Segments and Related Informat_3

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

Segments and Related Informat_4

Segments and Related Information Segments and Related Information - Supplemental Disaggregated Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Revenues	$ 573,161	$ 638,075	$ 1,017,354
Offshore/Manufactured Products
Segment Reporting Information [Line Items]
Revenues	298,729	340,300	402,946
Offshore/Manufactured Products | Project-driven products
Segment Reporting Information [Line Items]
Revenues	122,097	165,497	159,205
Offshore/Manufactured Products | Total short-cycle
Segment Reporting Information [Line Items]
Revenues	65,174	48,142	123,222
Offshore/Manufactured Products | Completion products and services
Segment Reporting Information [Line Items]
Revenues	41,640	26,148	95,806
Offshore/Manufactured Products | Drilling services
Segment Reporting Information [Line Items]
Revenues	0	0	0
Offshore/Manufactured Products | Other products
Segment Reporting Information [Line Items]
Revenues	23,534	21,994	27,416
Offshore/Manufactured Products | Other products and services
Segment Reporting Information [Line Items]
Revenues	111,458	126,661	120,519
Downhole Technologies
Segment Reporting Information [Line Items]
Revenues	103,492	97,936	182,314
Downhole Technologies | Project-driven products
Segment Reporting Information [Line Items]
Revenues	0	0	0
Downhole Technologies | Total short-cycle
Segment Reporting Information [Line Items]
Revenues	103,492	97,936	182,314
Downhole Technologies | Completion products and services
Segment Reporting Information [Line Items]
Revenues	103,492	97,936	182,314
Downhole Technologies | Drilling services
Segment Reporting Information [Line Items]
Revenues	0	0	0
Downhole Technologies | Other products
Segment Reporting Information [Line Items]
Revenues	0	0	0
Downhole Technologies | Other products and services
Segment Reporting Information [Line Items]
Revenues	0	0	0
Well Site Services
Segment Reporting Information [Line Items]
Revenues	170,940	199,839	432,094
Well Site Services | Project-driven products
Segment Reporting Information [Line Items]
Revenues	0	0	0
Well Site Services | Total short-cycle
Segment Reporting Information [Line Items]
Revenues	170,940	199,839	432,094
Well Site Services | Completion products and services
Segment Reporting Information [Line Items]
Revenues	160,881	191,529	390,748
Well Site Services | Drilling services
Segment Reporting Information [Line Items]
Revenues	10,059	8,310	41,346
Well Site Services | Other products
Segment Reporting Information [Line Items]
Revenues	0	0	0
Well Site Services | Other products and services
Segment Reporting Information [Line Items]
Revenues	$ 0	$ 0	$ 0

Segments and Related Informat_5

Segments and Related Information - Financial Information by Geographic Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Revenues from unaffiliated customers	$ 573,161	$ 638,075	$ 1,017,354
Long-lived assets	626,133	698,940	1,215,737
United States
Segment Reporting Information [Line Items]
Revenues from unaffiliated customers	447,002	463,382	831,317
Long-lived assets	487,749	554,926	1,046,250
United Kingdom
Segment Reporting Information [Line Items]
Revenues from unaffiliated customers	59,352	76,808	70,641
Long-lived assets	79,723	78,622	81,855
Singapore
Segment Reporting Information [Line Items]
Revenues from unaffiliated customers	35,886	57,513	56,170
Long-lived assets	15,202	16,509	18,260
Other
Segment Reporting Information [Line Items]
Revenues from unaffiliated customers	30,921	40,372	59,226
Long-lived assets	$ 43,459	$ 48,883	$ 69,372

Commitments and Contingencies (

Commitments and Contingencies (Details) - USD ($)	Jan. 12, 2018	Aug. 31, 2020	Dec. 31, 2020	Dec. 31, 2021
Business Acquisition [Line Items]
Payments for settlements			$ 7,300,000
Long-term debt			$ 165,759,000	$ 160,488,000
Income tax carryback claims, CARES Act		$ 19,000,000
Promissory Note
Business Acquisition [Line Items]
Settlement costs and expenses	$ 7,500,000
Debt instrument, face amount	$ 25,000,000
Long-term debt				$ 17,500,000

Valuation Allowance (Details)

Valuation Allowance (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Allowance for doubtful accounts receivable
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	$ 8,304	$ 8,745	$ 6,701
Charged to Costs and Expenses	705	3,409	2,776
Deductions (net of recoveries)	(3,932)	(5,049)	(819)
Translation and Other, Net	(606)	1,199	87
Balance at End of Period	4,471	8,304	8,745
Allowance for excess or obsolete inventory
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	40,731	19,031	18,551
Charged to Costs and Expenses	4,806	32,974	3,040
Deductions (net of recoveries)	(4,919)	(11,719)	(2,644)
Translation and Other, Net	(178)	445	84
Balance at End of Period	40,440	40,731	19,031
Valuation allowance on deferred tax assets
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	35,497	35,828	33,762
Charged to Costs and Expenses	3,161	1,890	2,558
Deductions (net of recoveries)	(751)	0	0
Translation and Other, Net	(264)	(2,221)	(492)
Balance at End of Period	$ 37,643	$ 35,497	$ 35,828