Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2020

Accounting Policies [Abstract]

Net Changes in Capitalized Exploratory Well Costs

Net changes in capitalized exploratory well costs are reflected in the following table for the periods presented (in thousands):

	Successor		Predecessor
	Period from November 20, 2020 through December 31, 2020		Period from January 1, 2020 through November 19, 2020		December 31,
					2019		2018
Beginning of period	$	—	$	—	$	4,457	$	—
Exploratory well cost additions (pending determination of proved reserves)	—		—		—		26,497
Exploratory well cost reclassifications (successful determination of proved reserves)	—		—		(4,222)		(22,040)
Exploratory well dry hole costs (unsuccessful in adding proved reserves)	—		—		(235)		—
End of period	$	—	$	—	$	—	$	4,457

Schedule of Cash and Cash Equivalents

The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the Consolidated Balance Sheets and Consolidated Statements of Cash Flows (in thousands):

	Successor		Predecessor
	December 31, 2020		November 19, 2020		December 31, 2019
Cash and cash equivalents	$	15,856	$	8,754	$	20,019
Restricted cash	4,370		11,800		—
Total cash, cash equivalents and restricted cash	$	20,226	$	20,554	$	20,019