Segments and Related Information Segments and Related Information - Supplemental Disaggregated Revenue (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenue from External Customer [Line Items]
Revenue from contract with customer	$ 238,361	$ 263,697	$ 264,685	$ 250,611	$ 274,118	$ 274,594	$ 285,845	$ 253,576	$ 1,017,354	$ 1,088,133	$ 670,627
Products
Revenue from External Customer [Line Items]
Revenue from contract with customer									483,359	501,822	303,802
Service
Revenue from External Customer [Line Items]
Revenue from contract with customer									533,995	586,311	366,825
Total Well Site Services
Revenue from External Customer [Line Items]
Revenue from contract with customer									432,094	480,254	288,714
Total Well Site Services | Project-driven products
Revenue from External Customer [Line Items]
Revenue from contract with customer									0	0	0
Total Well Site Services | Short-cycle:
Revenue from External Customer [Line Items]
Revenue from contract with customer									432,094	480,254	288,714
Total Well Site Services | Completion products and services
Revenue from External Customer [Line Items]
Revenue from contract with customer									390,748	411,019	234,252
Total Well Site Services | Drilling services
Revenue from External Customer [Line Items]
Revenue from contract with customer									41,346	69,235	54,462
Total Well Site Services | Other products
Revenue from External Customer [Line Items]
Revenue from contract with customer									0	0	0
Total Well Site Services | Other products and services
Revenue from External Customer [Line Items]
Revenue from contract with customer									0	0	0
Downhole Technologies
Revenue from External Customer [Line Items]
Revenue from contract with customer									182,314	213,813	0
Downhole Technologies | Project-driven products
Revenue from External Customer [Line Items]
Revenue from contract with customer									0	0	0
Downhole Technologies | Short-cycle:
Revenue from External Customer [Line Items]
Revenue from contract with customer									182,314	213,813	0
Downhole Technologies | Completion products and services
Revenue from External Customer [Line Items]
Revenue from contract with customer									182,314	213,813	0
Downhole Technologies | Drilling services
Revenue from External Customer [Line Items]
Revenue from contract with customer									0	0	0
Downhole Technologies | Other products
Revenue from External Customer [Line Items]
Revenue from contract with customer									0	0	0
Downhole Technologies | Other products and services
Revenue from External Customer [Line Items]
Revenue from contract with customer									0	0	0
Offshore/Manufactured Products
Revenue from External Customer [Line Items]
Revenue from contract with customer									402,946	394,066	381,913
Offshore/Manufactured Products | Project-driven products
Revenue from External Customer [Line Items]
Revenue from contract with customer									159,205	120,894	126,960
Offshore/Manufactured Products | Short-cycle:
Revenue from External Customer [Line Items]
Revenue from contract with customer									123,222	144,367	147,463
Offshore/Manufactured Products | Completion products and services
Revenue from External Customer [Line Items]
Revenue from contract with customer									95,806	116,383	117,914
Offshore/Manufactured Products | Drilling services
Revenue from External Customer [Line Items]
Revenue from contract with customer									0	0	0
Offshore/Manufactured Products | Other products
Revenue from External Customer [Line Items]
Revenue from contract with customer									27,416	27,984	29,549
Offshore/Manufactured Products | Other products and services
Revenue from External Customer [Line Items]
Revenue from contract with customer									$ 120,519	$ 128,805	$ 107,490