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Discontinued Operations - Textual (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013 subsidiary
Entity Information [Line Items]
Number of subsidiaries discontinued		2mdca_NumberofSubsidiariesDiscontinued
Other assets, noncurrent		$ 0us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherAssets
Other liabilities		0us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherLiabilities
Goodwill, impairment loss	0us-gaap_GoodwillImpairmentLoss	0us-gaap_GoodwillImpairmentLoss
Sale of Subsidiary Gain (Loss)
Entity Information [Line Items]
Goodwill, impairment loss	15,564us-gaap_GoodwillImpairmentLoss / us-gaap_IncomeStatementLocationAxis = us-gaap_SaleOfSubsidiaryGainLossMember
Discontinued Operations, Held-for-sale
Entity Information [Line Items]
Discontinued operation, other current assets	5,591us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets / mdca_DisposalGroupClassificationAxis = mdca_DiscontinuedOperationsHeldforsaleMember
Discontinued operation, other noncurrent assets	$ 16,409,000us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets / mdca_DisposalGroupClassificationAxis = mdca_DiscontinuedOperationsHeldforsaleMember

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