Summary of Significant Accounting Policies (Details)	10 Months Ended	12 Months Ended
	Oct. 20, 2016 USD ($)	Dec. 31, 2016 USD ($) segment	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Oct. 21, 2016 USD ($)
Number of reportable segments | segment		1
Cash and Cash Equivalents
Cash balance of FDIC insured amount		$ 250,000
Cash balance of FDIC uninsured amount		78,400,000
Accounts Receivable and Allowance for Doubtful Accounts
Allowance for doubtful accounts		0
Other Noncurrent Assets
Field equipment inventory		2,619,000
Other		1,649,000
Other noncurrent assets		5,455,000			$ 4,951,000
Fair value of probable and possible reserves					66,200,000
Proved Reserves
Provision for price and cost escalations		0
Accrued Liabilities
Accrued oil and gas capital expenditures		6,118,000
Accrued revenue and royalty distributions		28,262,000
Accrued lease operating and workover expense		8,932,000
Accrued interest		254,000
Accrued taxes		2,537,000
Compensation and benefit related accruals		3,516,000
Other		4,112,000
Accrued liabilities		53,731,000			49,824,000
Assets:
OTHER NONCURRENT ASSETS		$ 5,455,000			4,951,000
Predecessor
Cash and Cash Equivalents
Cash balance of FDIC uninsured amount			$ 87,200,000
Accounts Receivable and Allowance for Doubtful Accounts
Allowance for doubtful accounts			0
Other Noncurrent Assets
Field equipment inventory			3,225,000
Other			166,000
Other noncurrent assets			9,496,000		3,701,000
Losses on the sale of field equipment inventory	$ 4,600,000		2,000,000
Proved Reserves
Impairments of oil and gas properties	$ 232,108,000		1,625,776,000	$ 86,471,000
Accrued Liabilities
Accrued oil and gas capital expenditures			19,984,000
Accrued revenue and royalty distributions			27,939,000
Accrued lease operating and workover expense			9,281,000
Accrued interest			20,193,000
Accrued taxes			1,272,000
Compensation and benefit related accruals			8,414,000
Other			4,629,000
Accrued liabilities			91,712,000		65,240,000
Assets:
OTHER NONCURRENT ASSETS			9,496,000		$ 3,701,000
Mississippian | Predecessor
Other Noncurrent Assets
Unevaluated property costs transferred to the full cost pool			56,300,000
Anadarko Basin | Predecessor
Other Noncurrent Assets
Unevaluated property costs transferred to the full cost pool			200,000
Gulf Coast | Predecessor
Other Noncurrent Assets
Unevaluated property costs transferred to the full cost pool			100,000
Other Property and Equipment | Minimum
Estimated useful lives		3 years
Other Property and Equipment | Maximum
Estimated useful lives		7 years
Revolving Credit Facility | Predecessor
Other Noncurrent Assets
Deferred financing costs associated with the Credit Facility			$ 6,105,000
Exit Facility
Other Noncurrent Assets
Deferred financing costs associated with the Credit Facility		$ 1,187,000