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v3.19.3.a.u2

Other long-term liabilities - Convertible Debentures (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 USD ($) shares | Dec. 31, 2018 USD ($) shares | Dec. 31, 2019 $ / shares
Debt Instrument [Line Items] |  |  |
Long-term debt | $ 3,931,868 | $ 3,336,795 |
Debt instrument, convertible, number of equity instruments (in shares) | shares | 44,130 |  |
Debt conversion, shares issued (in shares) | shares | 19,429 | 56,926 |
Convertible Unsecured Subordinated Debentures | Convertible Subordinated Debt |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt | $ 342 | $ 470 |
Debt instrument, effective interest rate | 0.00% |  |
Conversion price (CAD per share) | $ / shares |  |  | $ 10.60
Principle converted amount | $ 148 | $ 447 |

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- Definition The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586 + Details
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