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Segment Information - Disaggregation of Revenue by Geography (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Disaggregation of Revenue [Line Items]
Revenue	$ 96,348	$ 84,417	$ 86,101	$ 123,492	$ 139,441	$ 140,417	$ 155,654	$ 144,408	$ 390,358	$ 579,920	$ 522,493
Tubular Running Services
Disaggregation of Revenue [Line Items]
Revenue									269,711	400,327	361,045
Tubulars
Disaggregation of Revenue [Line Items]
Revenue									53,668	74,687	72,303
Cementing Equipment
Disaggregation of Revenue [Line Items]
Revenue									66,979	104,906	89,145
United States
Disaggregation of Revenue [Line Items]
Revenue									155,241	293,172	280,595
United States | Tubular Running Services
Disaggregation of Revenue [Line Items]
Revenue									84,192	147,547	142,262
United States | Tubulars
Disaggregation of Revenue [Line Items]
Revenue									34,318	63,087	66,017
United States | Cementing Equipment
Disaggregation of Revenue [Line Items]
Revenue									36,731	82,538	72,316
International
Disaggregation of Revenue [Line Items]
Revenue									235,117	286,748	241,898
International | Tubular Running Services
Disaggregation of Revenue [Line Items]
Revenue									185,519	252,780	218,783
International | Tubulars
Disaggregation of Revenue [Line Items]
Revenue									19,350	11,600	6,286
International | Cementing Equipment
Disaggregation of Revenue [Line Items]
Revenue									30,248	22,368	16,829
Europe/Middle East/Africa
Disaggregation of Revenue [Line Items]
Revenue									101,693	155,278	127,968
Latin America
Disaggregation of Revenue [Line Items]
Revenue									87,517	72,720	46,553
Asia Pacific
Disaggregation of Revenue [Line Items]
Revenue									34,094	35,909	35,327
Other countries
Disaggregation of Revenue [Line Items]
Revenue									$ 11,813	$ 22,841	$ 32,050

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