XML 53 R40.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Convertible Preference Shares (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Mar. 07, 2017 | Sep. 30, 2018 | Mar. 31, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Preferred Units [Line Items] |  |  |  |  |  |
Preferred Stock, Value, Issued |  |  |  |  | $ (97) |
Series 4 Convertible Preferred Stock |  |  |  |  |  |
Preferred Units [Line Items] |  |  |  |  |  |
Proceeds from issuance of convertible preference shares |  |  |  |  | $ 0 | $ 95,000
Convertible Preferred Stock | Series 4 Convertible Preferred Stock |  |  |  |  |  |
Preferred Units [Line Items] |  |  |  |  |  |
Stock issued during period, convertible preferred (shares) | 95,000 |  |  |  | 0 |
Proceeds from issuance of convertible preference shares | $ 95,000 |  |  |  |  |
Preferred Stock, Value, Issued | $ 90,123 |  |  |  | $ (97) |
Preferred Stock, Liquidation Preference Per Share | $ 1,000 |  |  |  |  |
Preferred Stock, Conversion Price, Preference Per Share | $ 10.00 |  |  |  |  |
Preferred Stock, Accretion Percentage, Preference | 8.00% |  |  |  |  |
Preferred Stock, Accretion Rate, Preference Per Share |  |  | $ 7.11 |  | $ 7.40 |
Accretion on convertible preferred shares |  | $ 2,109 |  | $ 1,948 | $ 6,204 | $ 4,365
Preferred Stock, Liquidation Preference, Value |  | $ 107,556 |  |  | $ 107,556 |
Preferred Stock, Conversion Basis, Common Stock Class A Closing Trade Price |  |  |  |  | 125.00% |
Preferred Stock, Liquidation Preference Percentage Rate, Change of Control of the Company |  |  |  |  | 7.00% |

X
- Definition Accretion on Convertible Preferred Shares + References No definition available. + Details
Name: | mdca_AccretiononConvertiblePreferredShares
Namespace Prefix: | mdca_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Preferred Stock, Accretion Percentage, Preference + References No definition available. + Details
Name: | mdca_PreferredStockAccretionPercentagePreference
Namespace Prefix: | mdca_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Preferred Stock, Accretion Rate, Preference Per Share + References No definition available. + Details
Name: | mdca_PreferredStockAccretionRatePreferencePerShare
Namespace Prefix: | mdca_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Preferred Stock, Conversion Basis, Common Stock Class A Closing Trade Price + References No definition available. + Details
Name: | mdca_PreferredStockConversionBasisCommonStockClassAClosingTradePrice
Namespace Prefix: | mdca_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Preferred Stock, Conversion Price, Preference Per Share + References No definition available. + Details
Name: | mdca_PreferredStockConversionPricePreferencePerShare
Namespace Prefix: | mdca_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Preferred Stock, Liquidation Preference Percentage Rate, Change of Control of the Company + References No definition available. + Details
Name: | mdca_PreferredStockLiquidationPreferencePercentageRateChangeofControloftheCompany
Namespace Prefix: | mdca_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Stock Issued During Period, Shares, Convertible Preferred Shares + References No definition available. + Details
Name: | mdca_StockIssuedDuringPeriodSharesConvertiblePreferredShares
Namespace Prefix: | mdca_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Stock Issued During Period, Value, Convertible Preferred Shares + References No definition available. + Details
Name: | mdca_StockIssuedDuringPeriodValueConvertiblePreferredShares
Namespace Prefix: | mdca_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(d)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(d)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21484-112644 + Details
Name: | us-gaap_PreferredStockLiquidationPreference
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Value of the difference between preference in liquidation and the par or stated values of the preferred shares. + References No definition available. + Details
Name: | us-gaap_PreferredStockLiquidationPreferenceValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_PreferredUnitsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash inflow from issuance of preferred stocks identified as being convertible into another form of financial instrument, typically the entity's common stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromIssuanceOfConvertiblePreferredStock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=mdca_Series4ConvertiblePreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_PreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |