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Long term debt - Schedule of Long Term Debt (Details) - CAD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Long-term Debt, Excluding Current Maturities [Abstract] |  |
Long-term debt, gross | $ 331,957 | $ 295,958
Unamortized deferred financing costs | (3,896) | (1,773)
Less: current portion of long-term debt | (18,514) | (29,996)
Long-term portion of debt | 313,443 | 265,962
Long-term Debt, Fiscal Year Maturity [Abstract] |  |
2020 | 18,600 |
2021 | 194,000 |
2022 | 4,100 |
2023 | 4,300 |
2024 | 41,300 |
Credit facilities |  |
Long-term Debt, Excluding Current Maturities [Abstract] |  |
Long-term debt, gross | 190,000 | 194,918
Convertible debentures |  |
Long-term Debt, Excluding Current Maturities [Abstract] |  |
Long-term debt, gross | 94,031 | 39,976
Mortgages |  |
Long-term Debt, Excluding Current Maturities [Abstract] |  |
Long-term debt, gross | 21,739 | 19,900
Promissory notes |  |
Long-term Debt, Excluding Current Maturities [Abstract] |  |
Long-term debt, gross | 14,648 | 42,937
Financing obligations |  |
Long-term Debt, Excluding Current Maturities [Abstract] |  |
Long-term debt, gross | $ 15,435 | $ 0

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 Reference 2: 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 http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 Reference 3: 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 http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: 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 http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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