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Long term debt - Credit facility narrative (Details) - Credit facility | 2 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Feb. 15, 2023 CAD ($) | Dec. 31, 2022 CAD ($) covenant | Dec. 31, 2021 CAD ($)
Financial Guarantee | Mikisew North American Limited Partnership ("MNALP") |  |  |
Line of Credit Facility [Line Items] |  |  |
Maximum borrowing capacity of credit facility |  | $ 80,000,000 |
Financial Guarantee | Mikisew North American Limited Partnership ("MNALP") | Subsequent event |  |  |
Line of Credit Facility [Line Items] |  |  |
Line of credit facility, increase (decrease), net | $ 30,000,000 |  |
Financial Guarantee | Nuna Logistics Partnership |  |  |
Line of Credit Facility [Line Items] |  |  |
Credit facilities |  | 300,000 |
Revolver | Credit Facility |  |  |
Line of Credit Facility [Line Items] |  |  |
Maximum borrowing capacity of credit facility |  | 300,000,000 |
Additional borrowing limit |  | 50,000,000 |
Finance lease borrowing limit |  | 175,000,000 |
Other outstanding debt limit |  | 20,000,000 |
Amount outstanding during period |  | 32,000,000 | $ 33,900,000
Unused borrowing availability under the revolving facility |  | 88,000,000 | 181,100,000
Unused borrowing availability under finance lease obligations |  | $ 46,600,000 | $ 28,600,000
Number of financial covenants | covenant |  | 2 |
Senior leverage ratio, step-up |  | 0.50 |
Fixed charge ratio |  | 1.15 |
Revolver | Credit Facility | Financial Guarantee |  |  |
Line of Credit Facility [Line Items] |  |  |
Credit facilities |  | $ 53,400,000 |
Revolver | Credit Facility | Minimum |  |  |
Line of Credit Facility [Line Items] |  |  |
Standby fees percentage |  | 0.40% |
Revolver | Credit Facility | Maximum |  |  |
Line of Credit Facility [Line Items] |  |  |
Standby fees percentage |  | 0.75% |
Revolver | Credit Facility | Debt covenant period, tranche two |  |  |
Line of Credit Facility [Line Items] |  |  |
Senior leverage ratio |  | 3.0 |

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- Definition Line of Credit Facility, Finance Lease, Maximum Borrowing Capacity + References No definition available. + Details
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- Definition Line of Credit Facility, Finance Lease, Remaining Borrowing Capacity + References No definition available. + Details
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- Definition Line of Credit Facility, Accordion Feature, Increase Limit + References No definition available. + Details
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- Definition Line of Credit Facility, Allowable Other Debt Outstanding Limit + References No definition available. + Details
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- Definition Ratio Of Indebtedness To Net Capital, Step-Up Multiple For Following Four Quarters + References No definition available. + Details
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 + Details
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- Definition Amount of increase (decrease) of the credit facility. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(f)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. + References No definition available. + Details
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