Amount awarded to other party in judgment or settlement of litigation.

No definition available.

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- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

+ References

No definition available.

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- Definition

Amount of commitment classified as other to be paid after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

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Amount of commitment classified as other to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

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Amount of commitment classified as other to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

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Amount of commitment classified as other to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

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Amount of commitment classified as other to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

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Amount of commitment classified as other to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

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- References

No definition available.

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- Definition

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.

+ References

No definition available.

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Contingencies and Commitments (Details) - USD ($) $ in Thousands		1 Months Ended	8 Months Ended	12 Months Ended
	Jan. 05, 2014	Jun. 30, 2020	Aug. 09, 2018	Dec. 31, 2020
Gathering, Processing and Transportation Agreement
Other Commitments [Line Items]
Damages sought, value		$ 838,000
Other Commitment, Fiscal Year Maturity [Abstract]
2021				$ 865,000
2022				729,000
2023				596,000
2024				521,000
2025				471,000
2026 – 2034				1,911,000
Total				5,093,000
Service Contract
Other Commitment, Fiscal Year Maturity [Abstract]
2021				7,000
2022				2,000
Total				9,000
Commonwealth of Pennsylvania, Royalty Underpayment \| Settled Litigation
Other Commitments [Line Items]
Settlement amount			$ 36,000
Healthcare of Ontario Pension Plan (HOOPP) \| Pending litigation \| Chaparral Energy, Inc.
Other Commitments [Line Items]
Damages sought, value	$ 215,000
Pennsylvania Department of Environmental Protection \| Pending litigation \| Minimum
Other Commitments [Line Items]
Damages sought, value				$ 300