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Property and Equipment (Details) - USD ($) $ in Thousands		1 Months Ended	3 Months Ended
Property and Equipment (Details) - USD ($) $ in Thousands	Feb. 28, 2019	Feb. 28, 2019	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Property and equipment, at cost			$ 8,692,837		$ 10,306,625
Loss on impairment			1,119,517	$ 0
2019 Seller Loan
Property, Plant and Equipment [Line Items]
Financed value	$ 53,600	$ 53,600
Other \| 2019 Seller Loan
Property, Plant and Equipment [Line Items]
Cash paid to acquire asset	30,200
Drilling equipment and facilities
Property, Plant and Equipment [Line Items]
Property and equipment, at cost			8,422,110		10,014,314
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment, at cost			68,504		88,904
Other
Property, Plant and Equipment [Line Items]
Property and equipment, at cost			$ 202,223		$ 203,407
Noble Joe Knight
Property, Plant and Equipment [Line Items]
Purchase price of asset acquired	$ 83,800	$ 83,800