Debt Instrument, Maturity Year

No definition available.

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- Definition

The percentage of the face amount of the debt instrument applicable to the change in ownership.

+ References

No definition available.

+ Details

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- Definition

The percentage of the face amount applicable to the additional set in the series of latest date, before maturity, on which the issuer can call the outstanding debt instrument for repayment or conversion to equity.

+ References

No definition available.

+ Details

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- Definition

Debt instrument, percentage of redemption price, redemption date, latest for redemption at face amount

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

The percentage of the face amount applicable to the first set in the series of latest date, before maturity, on which the issuer can call the outstanding debt instrument for repayment or conversion to equity.

+ References

No definition available.

+ Details

Name:	mdca_DebtInstrumentPercentageOfRedemptionPriceRedemptionDateOne
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Balance Type:	na
Period Type:	duration

- Definition

The percentage of the face amount applicable to the second set in the series of latest date, before maturity, on which the issuer can call the outstanding debt instrument for repayment or conversion to equity

+ References

No definition available.

+ Details

Name:	mdca_DebtInstrumentPercentageOfRedemptionPriceRedemptionDateTwo
Namespace Prefix:	mdca_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of the face amount that can be redeemed, applicable to the additional set in the series of latest date, before maturity, on which the issuer can call the outstanding debt instrument for repayment or conversion to equity.

+ References

No definition available.

+ Details

Name:	mdca_DebtInstrumentPercentageRedeemableRedemptionDateAdditional
Namespace Prefix:	mdca_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The latest date, before maturity, on which the issuer can call the outstanding debt instrument for repayment or conversion to equity at face amount, which may be presented in a variety of ways (year only, month and year, day, month and year, quarter, etc.).

+ References

No definition available.

+ Details

Name:	mdca_DebtInstrumentRedemptionDateLatestForRedemptionAtFaceAmount
Namespace Prefix:	mdca_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

The first set in the series of latest date, before maturity, on which the issuer can call the outstanding debt instrument for repayment or conversion to equity, which may be presented in a variety of ways (year only, month and year, day, month and year, quarter, etc.).

+ References

No definition available.

+ Details

Name:	mdca_DebtInstrumentRedemptionDateOne
Namespace Prefix:	mdca_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

The second set in the series of latest date, before maturity, on which the issuer can call the outstanding debt instrument for repayment or conversion to equity, which may be presented in a variety of ways (year only, month and year, day, month and year, quarter, etc.).

+ References

No definition available.

+ Details

Name:	mdca_DebtInstrumentRedemptionDateTwo
Namespace Prefix:	mdca_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, additional borrowing face amount

+ References

No definition available.

+ Details

Name:	mdca_DebtInstrumentadditionalborrowingfaceamount
Namespace Prefix:	mdca_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Outstanding Checks

+ References

No definition available.

+ Details

Name:	mdca_OutstandingChecks
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of debt premium that was originally recognized at the issuance of the instrument that has yet to be amortized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 1A

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Expense related to distribution, servicing and underwriting fees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-04.14)

-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of gain (loss) from the difference between the repurchase price of a debt instrument initially issued by the entity and the net carrying amount of the debt at the time of its repurchase.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of cash paid for interest during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 25

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3536-108585

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of increase (decrease) of the credit facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(f))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the noncurrent portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 470

-SubTopic 10

-Section 45

-Paragraph 13

-URI http://asc.fasb.org/extlink&oid=28361426&loc=d3e1314-112600

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-Topic 470

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Line-of-Credit Arrangement

-URI http://asc.fasb.org/extlink&oid=6517033

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Debt (Details Textual) - USD ($)					6 Months Ended		12 Months Ended
Debt (Details Textual) - USD ($)	Oct. 23, 2014	Apr. 02, 2014	Nov. 15, 2013	Mar. 20, 2013	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2013	Dec. 31, 2014
Debt [Line Items]
Long-term Line of Credit, Noncurrent					$ 0			$ 0
Debt Instrument, Unamortized Premium					6,427,000			7,017,000
Interest Paid					25,768,000	$ 22,623,000
Letters of Credit Outstanding, Amount					5,051,000
Outstanding Checks					$ 64,318,000			$ 72,147,000
6.75% Notes
Debt [Line Items]
Debt Instrument, Face Amount				$ 550,000
Debt instrument, stated interest rate				6.75%	6.75%
Debt Instrument, Maturity Year				2020
Debt Instrument, Maturity Date				Apr. 01, 2020
Proceeds from Offering				$ 537,600,000
Debt Instrument, Redemption Date, One					Apr. 01, 2016
Debt Instrument, Redemption Date, Two					Apr. 01, 2017
Debt Instrument, Redemption Date, Latest For Redemption At Face Amount					Apr. 01, 2018
Debt Instrument, Percentage Of Redemption Price, Redemption Date One					103.375%
Debt Instrument, Percentage Of Redemption Price, Redemption Date Two					101.688%
Debt Instrument, Percentage Of Redemption Price, Redemption Date, Latest For Redemption At Face Amount					100.00%
Debt Instrument, Percentage Redeemable Redemption Date, Additional					106.75%
Debt Instrument, Percentage Of Redemption Price Redemption Date, Additional					35.00%
Debt Instrument, Percentage Of Redemption Price, Change In Ownership Control					101.00%
11% Notes
Debt [Line Items]
Debt instrument, stated interest rate				11.00%
Loss on redemption of notes							$ 55,588,000
6.75% Notes issued in November 2013
Debt [Line Items]
Debt instrument, stated interest rate			6.75%
Additional borrowing face amount			$ 110,000,000
Proceeds from Offering			111,925,000
Debt Instrument, Unamortized Premium			4,125,000
Expense Related to Distribution or Servicing and Underwriting Fees			$ 2,200,000
6.75% Notes Issued in April 2014
Debt [Line Items]
Debt instrument, stated interest rate		6.75%
Additional borrowing face amount		$ 75,000,000
Proceeds from Offering		77,452,000
Debt Instrument, Unamortized Premium		3,938,000
Expense Related to Distribution or Servicing and Underwriting Fees		$ 1,500,000
Wells Fargo Capital Finance, LLC
Debt [Line Items]
Line of Credit Facility, Increase (Decrease), Net	$ 100,000,000
Long-term Line of Credit				$ 225,000,000
Debt Instrument, Maturity Date	Sep. 30, 2019
Debt Instrument, Face Amount	$ 325,000,000
Line of Credit Facility, Description				Dec. 31, 2018
Wells Fargo Capital Finance, LLC \| Base Rate
Debt [Line Items]
Debt instrument, stated interest rate	1.00%				1.00%
Wells Fargo Capital Finance, LLC \| London Interbank Offered Rate (LIBOR)
Debt [Line Items]
Debt instrument, stated interest rate	1.75%				1.75%