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Property, Plant, and Equipment - Schedule of Depletion (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2025 USD ($) $ / bbl	Mar. 31, 2024 USD ($) $ / bbl
Property, Plant and Equipment [Abstract]
Depletion of Oil and Gas Properties | $	$ 20,577	$ 15,049
Average depletion rate (in USD per BOE) | $ / bbl	8.68	7.83

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- Definition

Depletion Of Oil And Gas Properties, Average Depletion Rate, Per Barrel Of Oil Equivalent

+ References

No definition available.

+ Details

Name:	inr_DepletionOfOilAndGasPropertiesAverageDepletionRatePerBarrelOfOilEquivalent
Namespace Prefix:	inr_
Data Type:	srt-types:perUnitItemType
Balance Type:	na
Period Type:	duration

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- Definition

The noncash expense charged against earnings to recognize the consumption of oil and gas reserves that are part of an entities' assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

+ Details

Name:	us-gaap_DepletionOfOilAndGasProperties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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- References

No definition available.

+ Details

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