Asset Impairments and Other Charges - Schedule of Asset Impairments (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Impaired Long-Lived Assets Held and Used [Line Items]
Impairments of goodwill	$ 0	$ 406,056	$ 0	$ 406,056	$ 0
Impairment of goodwill loss, tax		19,600
Impairment of goodwill loss, net of tax		386,456
Impairments of fixed assets	2,992	5,198	$ 0	8,190	0
Impairment of fixed assets, tax	628	1,092
Impairment of fixed assets, net of tax	2,364	4,106
Impairments of inventories		25,230		25,230	$ 0
Impairment of inventories, tax		4,736
Impairment of inventories, net of tax		20,494
Severance and facility closure costs	5,397	660
Severance and facility closure costs, tax	1,133	139
Severance and facility closure costs, net of tax	4,264	521
Corporate
Impaired Long-Lived Assets Held and Used [Line Items]
Impairments of fixed assets	0
Severance and facility closure costs	216
Total Well Site Services
Impaired Long-Lived Assets Held and Used [Line Items]
Impairments of goodwill				127,054
Total Well Site Services | Completion Services
Impaired Long-Lived Assets Held and Used [Line Items]
Impairments of goodwill				127,054
Impairments of fixed assets				3,000
Impairments of inventories				9,000
Total Well Site Services | Drilling Services
Impaired Long-Lived Assets Held and Used [Line Items]
Impairments of goodwill				0
Impairments of fixed assets	3,000			5,200
Total Well Site Services | Operating Segments | Completion Services
Impaired Long-Lived Assets Held and Used [Line Items]
Impairments of goodwill		127,054
Impairments of fixed assets	2,992	0
Impairments of inventories		8,981
Severance and facility closure costs	3,544	331
Total Well Site Services | Operating Segments | Drilling Services
Impaired Long-Lived Assets Held and Used [Line Items]
Impairments of goodwill		0
Impairments of fixed assets		5,198
Impairments of inventories		0
Severance and facility closure costs		217
Downhole Technologies
Impaired Long-Lived Assets Held and Used [Line Items]
Impairments of goodwill				192,502
Downhole Technologies | Operating Segments
Impaired Long-Lived Assets Held and Used [Line Items]
Impairments of goodwill		192,502
Impairments of fixed assets	0	0
Impairments of inventories		0
Severance and facility closure costs	1,315	0
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		$ 86,500
Impairments of fixed assets	0	0
Impairments of inventories		16,249
Severance and facility closure costs	$ 322	$ 112