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Share Capital - Schedule of Share Based Compensation, Stock Appreciation Rights (Details) (USD $) | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Stock Appreciation Rights |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Stock Appreciation Rights, Outstanding [Roll Forward] |  |  |
Number outstanding, beginning balance | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember | 4,633,146 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember | 4,737,194 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember
Weighted average price per share, beginning balance | $ 0.00 us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember | $ 2.49 us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember | $ 2.50 us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember
Number exercisable, beginning balance | 0 mdca_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsExercisableNumber / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember | 4,633,146 mdca_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsExercisableNumber / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember | 3,100,685 mdca_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsExercisableNumber / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember
Weighted average price per share, exercisable, beginning balance | $ 0.00 mdca_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember | $ 2.49 mdca_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember | $ 2.50 mdca_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember
Number outstanding, vested | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember
Weighted average price per share, vested | $ 0.00 mdca_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember | $ 0.00 mdca_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember | $ 0.00 mdca_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember
Number outstanding, granted | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember
Weighted average grant date fair value, granted | $ 0.00 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember | $ 0.00 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember | $ 0.00 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember
Number outstanding, exercised | 0 mdca_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisedInPeriod / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember | (4,633,146)mdca_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisedInPeriod / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember | (104,048)mdca_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisedInPeriod / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember
Weighted average price per share, exercised | $ 0.00 mdca_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember | $ 2.49 mdca_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember | $ 2.94 mdca_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember
Number outstanding, expired and cancelled | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember
Weighted average price per share, expired and cancelled | $ 0.00 mdca_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember | $ 0.00 mdca_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember | $ 0.00 mdca_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember
Number outstanding, ending balance | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember | 4,633,146 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember
Weighted average price per share, ending balance | $ 0.00 us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember | $ 0.00 us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember | $ 2.49 us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember
Number exercisable, ending balance | 0 mdca_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsExercisableNumber / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember | 0 mdca_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsExercisableNumber / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember | 4,633,146 mdca_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsExercisableNumber / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember
Weighted average price per share, exercisable, ending balance | $ 0.00 mdca_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember | $ 0.00 mdca_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember | $ 2.49 mdca_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = mdca_StockAppreciationRightsMember
Non Vested Stock Appreciation Rights |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Stock Appreciation Rights, Outstanding [Roll Forward] |  |  |
Number outstanding, beginning balance | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = mdca_NonVestedStockAppreciationRightsMember | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = mdca_NonVestedStockAppreciationRightsMember | 1,636,509 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = mdca_NonVestedStockAppreciationRightsMember
Number outstanding, vested | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod / us-gaap_AwardTypeAxis = mdca_NonVestedStockAppreciationRightsMember | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod / us-gaap_AwardTypeAxis = mdca_NonVestedStockAppreciationRightsMember | (1,570,539)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod / us-gaap_AwardTypeAxis = mdca_NonVestedStockAppreciationRightsMember
Number outstanding, granted | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = mdca_NonVestedStockAppreciationRightsMember | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = mdca_NonVestedStockAppreciationRightsMember | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = mdca_NonVestedStockAppreciationRightsMember
Number outstanding, exercised | 0 mdca_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisedInPeriod / us-gaap_AwardTypeAxis = mdca_NonVestedStockAppreciationRightsMember | 0 mdca_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisedInPeriod / us-gaap_AwardTypeAxis = mdca_NonVestedStockAppreciationRightsMember | (65,970)mdca_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisedInPeriod / us-gaap_AwardTypeAxis = mdca_NonVestedStockAppreciationRightsMember
Number outstanding, expired and cancelled | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod / us-gaap_AwardTypeAxis = mdca_NonVestedStockAppreciationRightsMember | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod / us-gaap_AwardTypeAxis = mdca_NonVestedStockAppreciationRightsMember | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod / us-gaap_AwardTypeAxis = mdca_NonVestedStockAppreciationRightsMember
Number outstanding, ending balance | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = mdca_NonVestedStockAppreciationRightsMember | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = mdca_NonVestedStockAppreciationRightsMember | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = mdca_NonVestedStockAppreciationRightsMember

X
- Definition The weighted average fair value of vested awards on equity-based plans excluding stock options (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) as of the balance sheet date. + References No definition available. + Details
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Balance Type: | na
Period Type: | instant

X
- Definition The number of equity-based payment instruments, excluding stock options, that were exercised during the reporting period. + References No definition available. + Details
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Namespace Prefix: | mdca_
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Period Type: | duration

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- Definition The weighted average of equity-based payment instruments other than stock options which were exercised during the reporting period. + References No definition available. + Details
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- Definition The weighted average of equity-based payment instruments other than stock options which were forfeited during the reporting period. + References No definition available. + Details
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- Definition The weighted average of equity-based payment instruments other than stock options which vested during the reporting period. + References No definition available. + Details
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- Definition The number of vested equity-based payment instruments, excluding stock options, that validly exist and are outstanding as of the balance sheet date. + References No definition available. + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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X
- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average grant-date fair value of non-vested options outstanding. + References No definition available. + Details
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