Supplemental Balance Sheet Information - Schedule of Inventories (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Inventory [Line Items]
Total inventories	$ 8,716	$ 20,262
Service tools
Inventory [Line Items]
Total inventories	7,859	8,081
Coiled tubing
Inventory [Line Items]
Total inventories	239	1,558
Manufacturing related
Inventory [Line Items]
Total inventories	0	8,925
Other
Inventory [Line Items]
Total inventories	$ 618	$ 1,698