Contingencies and Commitments - Additional Information (Details)	12 Months Ended
Dec. 31, 2019 USD ($) rig
Loss Contingencies [Line Items]
Number of drilling rights under contract \| rig	1
Aggregate drilling rate	$ 19,000
Early termination fee amount	$ 15,000

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_LossContingenciesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration