XML 37 R25.htm IDEA: XBRL DOCUMENT v3.21.1

PROPERTY AND EQUIPMENT (Tables)

3 Months Ended

Mar. 31, 2021

Property, Plant and Equipment [Abstract]

Schedule of Property and Equipment

The major categories of property and equipment and related accumulated DD&A and impairment as of March 31, 2021 and December 31, 2020 are as follows:

			March 31, 2021						December 31, 2020
			(In thousands)
Oil and natural gas properties			$	10,895,625					$	10,816,909
Other depreciable property and equipment			85,827						85,530
Land			3,008						3,008
Total property and equipment			10,984,460						10,905,447
Accumulated DD&A and impairment			(8,874,899)						(8,819,178)
Property and equipment, net			$	2,109,561					$	2,086,269

Schedule of Non-Producing Properties Excluded from Amortization by Area

The following table summarizes the Company’s unevaluated properties excluded from amortization by area at March 31, 2021:

			March 31, 2021
			(In thousands)
Utica			$	761,397
SCOOP			651,451
Other			926
			$	1,413,774

Schedule of Asset Retirement Obligation

A reconciliation of the Company’s asset retirement obligation for the three months ended March 31, 2021 and 2020 is as follows:

			March 31, 2021						March 31, 2020
			(In thousands)
Asset retirement obligation, beginning of period			$	63,566					$	60,355
Liabilities incurred			483						381
Liabilities removed due to divestitures			—						(2,033)
Accretion expense			805						741
Total asset retirement obligation as of end of period			$	64,854					$	59,444
Less: amounts reclassified to liabilities subject to compromise			$	(64,854)					$	—
Total asset retirement obligation reflected as non-current liabilities			$	—					$	59,444

X

- Definition

Schedule Of Property And Equipment

+ References

No definition available.

+ Details

Name:	gpor_ScheduleOfPropertyAndEquipmentTableTextBlock
Namespace Prefix:	gpor_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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

X

- Definition

Tabular disclosure of the carrying amount of a liability for asset retirement obligations.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849

+ Details

Name:	us-gaap_ScheduleOfAssetRetirementObligationsTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the capitalized costs of unproved properties and major development projects that are excluded from capitalized costs being amortized. This includes the total costs excluded and, at a minimum, these categories of costs: acquisition costs, exploration costs, development costs in the case of significant development projects, and capitalized interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 932
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-10(c)(7)(ii))
-URI http://asc.fasb.org/extlink&oid=120398226&loc=d3e511914-122862

+ Details

Name:	us-gaap_ScheduleOfCapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration