Revenue from Contracts with Customers (Details)	3 Months Ended
	Mar. 31, 2020 drilling_rigs
Drilling Services [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Drilling Rigs	25
Drilling Services [Member] | Deployed under new contract during current period [Member] | Daywork Drilling Contract [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Drilling Rigs	2
Drilling Services [Member] | International Drilling [Member] | Colombia [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Drilling Rigs	8
Short-term Contract with Customer [Member] | Maximum [Member] | Production Services [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Typical Revenue Contract Duration	30 days