Property, Plant and Equipment (Details) - CAD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment
Opening balance	$ 28,871	$ 49,065
Ending balance	25,753	28,871
Gross carrying amount
Property, Plant and Equipment
Opening balance	49,140	72,446
Additions	193	767
Disposals	(156)	(1,399)
Reclassification to assets held for sale		(25,500)
Currency translation adjustments	(986)	2,826
Ending balance	48,191	49,140
Gross carrying amount \| Right-of-use assets
Property, Plant and Equipment
Opening balance	1,341	1,523
Additions		295
Disposals		(482)
Currency translation adjustments	6	5
Ending balance	1,347	1,341
Gross carrying amount \| Refinery and power plants
Property, Plant and Equipment
Opening balance	42,989	65,742
Additions	5
Reclassification to assets held for sale		(25,500)
Currency translation adjustments	(1,011)	2,747
Ending balance	41,983	42,989
Gross carrying amount \| Equipment
Property, Plant and Equipment
Opening balance	2,499	3,401
Additions	14	3
Disposals		(903)
Currency translation adjustments	(4)	(2)
Ending balance	2,509	2,499
Gross carrying amount \| Office equipment
Property, Plant and Equipment
Opening balance	2,311	1,780
Additions	174	469
Disposals	(156)	(14)
Currency translation adjustments	23	76
Ending balance	2,352	2,311
Accumulated depreciation
Property, Plant and Equipment
Opening balance	20,269	23,381
Additions	2,762	3,503
Disposals	(155)	(1,364)
Reclassification to assets held for sale		(6,363)
Currency translation adjustments	(438)	1,112
Ending balance	22,438	20,269
Accumulated depreciation \| Right-of-use assets
Property, Plant and Equipment
Opening balance	713	831
Additions	364	349
Disposals		(481)
Currency translation adjustments	5	14
Ending balance	1,082	713
Accumulated depreciation \| Refinery and power plants
Property, Plant and Equipment
Opening balance	17,197	19,839
Additions	1,798	2,659
Disposals	0
Reclassification to assets held for sale		(6,363)
Currency translation adjustments	(441)	1,062
Ending balance	18,554	17,197
Accumulated depreciation \| Equipment
Property, Plant and Equipment
Opening balance	1,657	2,158
Additions	358	371
Disposals		(869)
Currency translation adjustments	(4)	(3)
Ending balance	2,011	1,657
Accumulated depreciation \| Office equipment
Property, Plant and Equipment
Opening balance	702	553
Additions	242	124
Disposals	(155)	(14)
Currency translation adjustments	2	39
Ending balance	$ 791	$ 702

The amount of additions to property, plant and equipment other than those acquired through business combinations. [Refer: Business combinations [member]; Property, plant and equipment]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2023-01-01
-Paragraph 73
-Subparagraph e
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2023-en-r&anchor=para_73_e_i&doctype=Standard
-URIDate 2023-03-23

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- Definition

The decrease in property, plant and equipment through classification as held for sale or inclusion in a disposal group classified as held for sale. [Refer: Disposal groups classified as held for sale [member]; Property, plant and equipment; Disposal groups classified as held for sale [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2023-01-01
-Paragraph 73
-Subparagraph e
-Clause ii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2023-en-r&anchor=para_73_e_ii&doctype=Standard
-URIDate 2023-03-23

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

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- Definition

The decrease in property, plant and equipment resulting from disposals. [Refer: Property, plant and equipment]

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The increase (decrease) in property, plant and equipment resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Property, plant and equipment]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2023-01-01
-Paragraph 73
-Subparagraph e
-Clause viii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2023-en-r&anchor=para_73_e_viii&doctype=Standard
-URIDate 2023-03-23

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- Definition

The amount of property, plant and equipment including right-of-use assets whose underlying assets would be presented as property, plant and equipment if they were owned. [Refer: Property, plant and equipment; Right-of-use assets]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 54
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_a&doctype=Standard
-URIDate 2023-03-23

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 16
-IssueDate 2023-01-01
-Paragraph 73
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2023-en-r&anchor=para_73_a&doctype=Standard
-URIDate 2023-03-23

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