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Schedule of Intangibles (Detail) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Disclosure of detailed information about intangible assets [Line Items] |  |
Balance | $ 3,316 |
Loan commitment fees related to Senior Credit Facility | 3,120 | $ 3,316
Software | 24,996 |
Balance | 28,116 | 3,316
Gross [Member] |  |
Disclosure of detailed information about intangible assets [Line Items] |  |
Balance | 12,345 | 11,131
Additions | 24,972 | 1,214
Reclassifications | 2,390 |
Balance | 39,707 | 12,345
Gross [Member] | Loan Commitment Fees [Member] |  |
Disclosure of detailed information about intangible assets [Line Items] |  |
Balance | 12,345 | 11,131
Additions | 1,793 | 1,214
Balance | 14,138 | 12,345
Gross [Member] | Software [Member] |  |
Disclosure of detailed information about intangible assets [Line Items] |  |
Additions | 23,179 |
Reclassifications | 2,390 |
Balance | 25,569 |
Accumulated Amortization [member] |  |
Disclosure of detailed information about intangible assets [Line Items] |  |
Balance | 9,029 | 7,768
Amortization expense | 2,562 | 1,261
Balance | 11,591 | 9,029
Accumulated Amortization [member] | Loan Commitment Fees [Member] |  |
Disclosure of detailed information about intangible assets [Line Items] |  |
Balance | 9,029 | 7,768
Amortization expense | 1,989 | 1,261
Balance | 11,018 | $ 9,029
Accumulated Amortization [member] | Software [Member] |  |
Disclosure of detailed information about intangible assets [Line Items] |  |
Amortization expense | 573 |
Balance | $ 573 |

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- Definition The amount of intangible assets representing computer software. [Refer: Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 38 -IssueDate 2016-01-13 -Paragraph 119 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=38&date=2016-03-30&anchor=para_119_c&doctype=Standard -URIDate 2016-03-31 + Details
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