Quantity of oil and gas subject to delivery commitment under existing contract or agreement stated in unit of measurement, including, but not limited to, barrel for oil and synthetic oil or cubic feet for natural and synthetic gas.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Regulation S-K (SK)
-Number 229
-Section 1207
-Paragraph a
-Subparagraph (2)
-Publisher SEC

+ Details

Name:	srt_OilAndGasDeliveryCommitmentsAndContractsRemainingContractualVolume
Namespace Prefix:	srt_
Data Type:	dtr-types:volumeItemType
Balance Type:	na
Period Type:	instant

- 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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-5A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-18

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 20
-Name Accounting Standards Codification
-Section 25
-Paragraph 6A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480682/815-20-25-6A

+ Details

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

- Definition

Nominal energy measure used to calculate payments on a derivative instrument.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-5

+ Details

Name:	us-gaap_DerivativeNonmonetaryNotionalAmountEnergyMeasure
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:energyItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted Average Sales Price

+ References

No definition available.

+ Details

Name:	whk_WeightedAverageSalesPrice
Namespace Prefix:	whk_
Data Type:	srt-types:perUnitItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_EnergyAxis=whk_NaturalGasFixedPriceSwapsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_EnergyAxis=whk_NaturalGasTETCOM2FixedPriceSwapsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_EnergyAxis=whk_WTIFixedPriceSwapsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_EnergyAxis=whk_NaturalGasCollarContractsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Commodity Derivative Financial Instruments - Schedule of Derivative Instrument (Details) - Forecast [Member] bbl in Thousands, MMBTU in Thousands	3 Months Ended
	Jun. 30, 2029 MMBTU $ / MMBbls	Mar. 31, 2029 MMBTU $ / MMBbls $ / bbl bbl	Dec. 31, 2028 MMBTU $ / bbl $ / MMBbls bbl	Sep. 30, 2028 MMBTU $ / MMBbls $ / bbl bbl	Jun. 30, 2028 MMBTU $ / MMBbls $ / bbl bbl	Mar. 31, 2028 MMBTU $ / MMBbls $ / bbl bbl	Dec. 31, 2027 MMBTU $ / MMBbls $ / bbl bbl	Sep. 30, 2027 MMBTU $ / MMBbls $ / bbl bbl	Jun. 30, 2027 MMBTU $ / MMBbls $ / bbl bbl	Mar. 31, 2027 MMBTU $ / bbl $ / MMBbls bbl	Dec. 31, 2026 MMBTU $ / bbl $ / MMBbls bbl	Sep. 30, 2026 MMBTU $ / MMBbls $ / bbl bbl
Natural Gas Fixed Price Swaps [Member]
Derivative [Line Items]
Volume \| MMBTU	533	2,536	3,492	3,517	3,524	4,597	5,130	5,088	5,035	5,197	5,494	5,087
Weighted Average Sales Price	3.38	3.64	3.66	3.65	3.74	3.75	3.85	3.85	3.85	3.98	4.06	4.05
Natural Gas TETCO M2 Fixed Price Swaps [Member]
Derivative [Line Items]
Volume \| MMBTU	291	547	675	667	667	1,551	1,886	1,872	1,857	2,035	1,979	1,962
Weighted Average Sales Price	(1.03)	(0.96)	(0.94)	(0.96)	(0.94)	(0.91)	(1.04)	(1.03)	(1.04)	(1.03)	(1.07)	(1.07)
WTI Fixed Price Swaps [Member]
Derivative [Line Items]
Volume \| bbl		7	20	20	19	32	34	33	34	40	41	44
Weighted Average Sales Price \| $ / bbl		62.75	62.75	62.75	62.75	61.37	61.46	61.36	61.3	61.74	62.04	63
Natural Gas Collar Contracts [Member]
Derivative [Line Items]
Volume \| MMBTU												300
Natural Gas Collar Contracts [Member] \| Maximum [Member]
Derivative [Line Items]
Weighted Average Sales Price												3.6
Natural Gas Collar Contracts [Member] \| Minimum [Member]
Derivative [Line Items]
Weighted Average Sales Price												3