Asset Impairments and Other Charges - Narrative (Details) $ in Thousands	1 Months Ended	3 Months Ended
	Mar. 31, 2020 USD ($) usd_per_barrel	Mar. 31, 2020 USD ($) usd_per_barrel	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)
Impaired Long-Lived Assets Held and Used [Line Items]
Percentage decline in crude oil prices	50.00%
Brent crude oil, price per barrel | usd_per_barrel	15	15
WTI crude oil, price per barrel | usd_per_barrel	21	21
Goodwill, net	$ 75,757	$ 75,757		$ 482,306
Impairments of goodwill		406,056	$ 0
Non-cash impairment of fixed assets		5,198	$ 0
Offshore / Manufactured Products
Impaired Long-Lived Assets Held and Used [Line Items]
Goodwill, net	75,757	75,757		162,750
Impairments of goodwill		86,500
Goodwill, Impairment Loss, Increase Due To Increase In Discount Rate		$ 10,000
Reporting unit, fair value determination, percentage increase in discount rate		0.50%
Non-cash impairment of fixed assets		$ 0
Total Well Site Services
Impaired Long-Lived Assets Held and Used [Line Items]
Goodwill, net	0	0		127,054
Impairments of goodwill		127,054
Drilling Services | Total Well Site Services
Impaired Long-Lived Assets Held and Used [Line Items]
Goodwill, net	$ 0	0		$ 0
Impairments of goodwill		0
Non-cash impairment of fixed assets		$ 5,198
Minimum
Impaired Long-Lived Assets Held and Used [Line Items]
Reporting unit, fair value determination, discount rate		16.80%
Maximum
Impaired Long-Lived Assets Held and Used [Line Items]
Reporting unit, fair value determination, discount rate		18.50%