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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.","units":{"CAD":[{"end":"2014-12-31","val":10672920,"accn":"0001319009-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-16","frame":"CY2014Q4I"}],"USD":[{"end":"2014-12-31","val":9200000,"accn":"0001319009-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-11","frame":"CY2014Q4I"},{"end":"2015-03-31","val":43795000,"accn":"0001319009-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-11","frame":"CY2015Q1I"}]}},"LongTermDebt":{"label":"Long-term Debt","description":"Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. 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fixtures.","units":{"CAD":[{"end":"2010-12-31","val":197224,"accn":"0001144204-11-046317","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-15"},{"end":"2010-12-31","val":197224,"accn":"0001144204-11-062361","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-09"},{"end":"2010-12-31","val":197224,"accn":"0001144204-12-014022","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-09","frame":"CY2010Q4I"},{"end":"2011-06-30","val":1124043,"accn":"0001144204-11-046317","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-15","frame":"CY2011Q2I"},{"end":"2011-09-30","val":1473270,"accn":"0001144204-11-062361","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-09","frame":"CY2011Q3I"},{"end":"2011-12-31","val":1638280,"accn":"0001144204-12-014022","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-09"},{"end":"2011-12-31","val":1638280,"accn":"0001144204-12-027075","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-09"},{"end":"2011-12-31","val":1638280,"accn":"0001144204-12-043147","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"end":"2011-12-31","val":1638280,"accn":"0001144204-12-060591","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":1638280,"accn":"0001144204-13-014335","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-12","frame":"CY2011Q4I"},{"end":"2012-03-31","val":2480377,"accn":"0001144204-12-027075","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-09","frame":"CY2012Q1I"},{"end":"2012-06-30","val":4194644,"accn":"0001144204-12-043147","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07","frame":"CY2012Q2I"},{"end":"2012-09-30","val":6293323,"accn":"0001144204-12-060591","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":8005959,"accn":"0001144204-13-014335","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-12"},{"end":"2012-12-31","val":8005959,"accn":"0001144204-13-026638","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-07"},{"end":"2012-12-31","val":8005959,"accn":"0001319009-13-000007","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-05"},{"end":"2012-12-31","val":8005959,"accn":"0001319009-13-000011","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-06"},{"end":"2012-12-31","val":8005959,"accn":"0001319009-14-000004","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-13","frame":"CY2012Q4I"},{"end":"2013-03-31","val":8955523,"accn":"0001144204-13-026638","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-07","frame":"CY2013Q1I"},{"end":"2013-06-30","val":10563452,"accn":"0001319009-13-000007","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-05","frame":"CY2013Q2I"},{"end":"2013-09-30","val":12826286,"accn":"0001319009-13-000011","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-06","frame":"CY2013Q3I"},{"end":"2013-12-31","val":16750950,"accn":"0001319009-14-000004","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-13"},{"end":"2013-12-31","val":16750950,"accn":"0001319009-14-000009","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-07"},{"end":"2013-12-31","val":16750950,"accn":"0001319009-14-000017","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":16750950,"accn":"0001319009-14-000020","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-05"},{"end":"2013-12-31","val":16750950,"accn":"0001319009-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-16","frame":"CY2013Q4I"},{"end":"2014-03-31","val":22901258,"accn":"0001319009-14-000009","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-07","frame":"CY2014Q1I"},{"end":"2014-06-30","val":39947846,"accn":"0001319009-14-000017","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":63766278,"accn":"0001319009-14-000020","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-05","frame":"CY2014Q3I"},{"end":"2014-12-31","val":96006319,"accn":"0001319009-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-16","frame":"CY2014Q4I"}],"USD":[{"end":"2014-12-31","val":115783000,"accn":"0001319009-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-11","frame":"CY2014Q4I"},{"end":"2015-03-31","val":126784000,"accn":"0001319009-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-11","frame":"CY2015Q1I"}]}},"PurchaseObligation":{"label":"Purchase Obligation","description":"Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.","units":{"CAD":[{"end":"2012-09-30","val":108152,"accn":"0001144204-12-060591","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":82020,"accn":"0001144204-13-014335","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":151507,"accn":"0001144204-13-026638","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-07","frame":"CY2013Q1I"},{"end":"2013-06-30","val":108513,"accn":"0001319009-13-000007","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-05","frame":"CY2013Q2I"},{"end":"2013-09-30","val":181659,"accn":"0001319009-13-000011","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-06","frame":"CY2013Q3I"}]}},"PurchaseObligationDueAfterFifthYear":{"label":"Purchase Obligation, to be Paid, after Year Five","description":"Amount of purchase arrangement to be paid after fifth fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"CAD":[{"end":"2013-06-30","val":1262,"accn":"0001319009-13-000007","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-05","frame":"CY2013Q2I"},{"end":"2013-09-30","val":1236,"accn":"0001319009-13-000011","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-06","frame":"CY2013Q3I"}]}},"PurchaseObligationDueInFifthYear":{"label":"Purchase Obligation, to be Paid, Year Five","description":"Amount of purchase arrangement to be paid in fifth fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"CAD":[{"end":"2012-12-31","val":995,"accn":"0001144204-13-014335","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-12","frame":"CY2012Q4I"}]}},"PurchaseObligationDueInFourthAndFifthYear":{"label":"Purchase Obligation, to be Paid, Year Four and Five","description":"Amount of purchase arrangement to be paid in fourth and fifth fiscal years following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"CAD":[{"end":"2013-03-31","val":1016,"accn":"0001144204-13-026638","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-07","frame":"CY2013Q1I"}]}},"PurchaseObligationDueInNextTwelveMonths":{"label":"Purchase Obligation, to be Paid, Year One","description":"Amount of purchase arrangement to be paid in next fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"CAD":[{"end":"2012-12-31","val":76846,"accn":"0001144204-13-014335","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-12","frame":"CY2012Q4I"}]}},"PurchaseObligationDueInSecondYear":{"label":"Purchase Obligation, to be Paid, Year Two","description":"Amount of purchase arrangement to be paid in second fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"CAD":[{"end":"2012-09-30","val":63908,"accn":"0001144204-12-060591","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"}]}},"PurchaseObligationDueInThirdYear":{"label":"Purchase Obligation, to be Paid, Year Three","description":"Amount of purchase arrangement to be paid in third fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"CAD":[{"end":"2012-12-31","val":4179,"accn":"0001144204-13-014335","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-12","frame":"CY2012Q4I"}]}},"ReclamationAndMineShutdownProvision":{"label":"Reclamation and Mine Shutdown Provision","description":"Adjustment of the mine reclamation or mine shutdown liability account that is made when estimates of future costs are changed.","units":{"CAD":[{"start":"2013-04-01","end":"2013-06-30","val":608949,"accn":"0001319009-13-000007","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-05","frame":"CY2013Q2"},{"start":"2013-01-01","end":"2013-09-30","val":871203,"accn":"0001319009-13-000011","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-06"},{"start":"2013-01-01","end":"2013-12-31","val":871203,"accn":"0001319009-14-000004","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-13","frame":"CY2013"}],"USD":[{"start":"2013-01-01","end":"2013-09-30","val":857525,"accn":"0001319009-13-000011","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-06"},{"start":"2013-01-01","end":"2013-12-31","val":857525,"accn":"0001319009-14-000004","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-13","frame":"CY2013"}]}},"ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax":{"label":"Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax","description":"Amount after tax of reclassification adjustments of other comprehensive income (loss).","units":{"CAD":[{"start":"2013-01-01","end":"2013-12-31","val":43125,"accn":"0001319009-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-16","frame":"CY2013"}]}},"RecordedUnconditionalPurchaseObligationDueInRemainderOfFiscalYear":{"label":"Recorded Unconditional Purchase Obligation, to be Paid, Remainder of Fiscal Year","description":"Amount of recorded unconditional purchase obligation to be paid in remainder of current fiscal year.","units":{"CAD":[{"end":"2014-06-30","val":5387506,"accn":"0001319009-14-000017","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":9069091,"accn":"0001319009-14-000020","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-05","frame":"CY2014Q3I"}],"USD":[{"end":"2015-03-31","val":2700000,"accn":"0001319009-15-000010","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-11","frame":"CY2015Q1I"}]}},"RecordedUnconditionalPurchaseObligationDueWithinOneYear":{"label":"Recorded Unconditional Purchase Obligation, to be Paid, Year One","description":"Amount of recorded unconditional purchase obligation to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"CAD":[{"end":"2013-12-31","val":5823334,"accn":"0001319009-14-000004","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-13","frame":"CY2013Q4I"},{"end":"2014-12-31","val":7057978,"accn":"0001319009-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-16","frame":"CY2014Q4I"}]}},"RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty":{"label":"Related Party Transaction, Expenses from Transactions with Related Party","description":"Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.","units":{"CAD":[{"start":"2013-01-01","end":"2013-12-31","val":61994,"accn":"0001319009-14-000004","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-13","frame":"CY2013"}]}},"RepaymentsOfNotesPayable":{"label":"Repayments of Notes 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obligation.","units":{"CAD":[{"start":"2009-01-01","end":"2009-12-31","val":1000000,"accn":"0001144204-12-014022","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-09","frame":"CY2009"},{"start":"1996-05-14","end":"2011-06-30","val":2000000,"accn":"0001144204-11-046317","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-15"},{"start":"1996-05-14","end":"2011-09-30","val":2000000,"accn":"0001144204-11-062361","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-09"},{"start":"1996-05-14","end":"2011-12-31","val":2000000,"accn":"0001144204-12-014022","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-09"},{"start":"1996-05-14","end":"2012-03-31","val":2000000,"accn":"0001144204-12-027075","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-09"},{"start":"1996-05-14","end":"2012-06-30","val":2000000,"accn":"0001144204-12-043147","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-07"},{"start":"1996-05-14","end":"2012-09-30","val":2000000,"accn":"0001144204-12-060591","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"1996-05-14","end":"2012-12-31","val":2000000,"accn":"0001144204-13-014335","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-12"},{"start":"1996-05-14","end":"2013-03-31","val":2000000,"accn":"0001144204-13-026638","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-07"},{"start":"1996-05-14","end":"2013-06-30","val":2000000,"accn":"0001319009-13-000007","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-05"},{"start":"1996-05-01","end":"2013-09-30","val":2000000,"accn":"0001319009-13-000011","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-06"},{"start":"1996-05-14","end":"2013-12-31","val":2000000,"accn":"0001319009-14-000004","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-13"},{"start":"1996-05-14","end":"2014-03-31","val":2000000,"accn":"0001319009-14-000009","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-07"}]}},"RetainedEarningsAccumulatedDeficit":{"label":"Retained 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Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer.","units":{"CAD":[{"end":"2014-12-31","val":81207000,"accn":"0001319009-15-000003","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-16","frame":"CY2014Q4I"}]}},"TemporaryEquityRedemptionValue":{"label":"Temporary Equity, Redemption Value (Deprecated 2014-01-31)","description":"The aggregate amount to be paid by the entity upon redemption of the security that is classified as temporary equity. 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