XML 49 R55.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Goodwill and Intangible Assets - Schedule of Goodwill (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Goodwill [Roll Forward] |  |
Beginning Balance | $ 740,955 | $ 835,935
Acquired goodwill | 1,025 | 37,592
Impairment loss recognized | (4,099) | (74,560)
Transfer of goodwill between segments | 0 | 0
Transfer of goodwill to asset held for sale | 0 | (45,224)
Foreign currency translation | 2,793 | (12,788)
Ending Balance | 740,674 | 740,955
Media Services |  |
Goodwill [Roll Forward] |  |
Beginning Balance | 111,346 | 160,057
Acquired goodwill | 0 | 0
Impairment loss recognized | 0 | (52,041)
Transfer of goodwill between segments | (24,119) | 3,773
Transfer of goodwill to asset held for sale | 0 | 0
Foreign currency translation | 0 | (443)
Ending Balance | 87,227 | 111,346
All Other [Domain] |  |
Goodwill [Roll Forward] |  |
Beginning Balance | 154,171 | 201,121
Acquired goodwill | 1,025 | 32,776
Impairment loss recognized | (4,099) | (4,691)
Transfer of goodwill between segments | (4,206) | (22,920)
Transfer of goodwill to asset held for sale | 0 | (45,224)
Foreign currency translation | 1,440 | (6,891)
Ending Balance | 148,331 | 154,171
Global Integrated Agencies |  |
Goodwill [Roll Forward] |  |
Beginning Balance | 353,155 | 359,071
Acquired goodwill | 0 | 0
Impairment loss recognized | 0 | (17,828)
Transfer of goodwill between segments | (85,766) | 17,081
Transfer of goodwill to asset held for sale | 0 | 0
Foreign currency translation | 775 | (5,169)
Ending Balance | 268,164 | 353,155
Domestic Creative Agencies |  |
Goodwill [Roll Forward] |  |
Beginning Balance | 38,780 | 36,980
Acquired goodwill | 0 | 0
Impairment loss recognized | 0 | 0
Transfer of goodwill between segments | 119,097 | 2,066
Transfer of goodwill to asset held for sale | 0 | 0
Foreign currency translation | 402 | (266)
Ending Balance | 158,279 | 38,780
Specialist Communications [Member] |  |
Goodwill [Roll Forward] |  |
Beginning Balance | 83,503 | 78,706
Acquired goodwill | 0 | 4,816
Impairment loss recognized | 0 | 0
Transfer of goodwill between segments | (5,006) | 0
Transfer of goodwill to asset held for sale | 0 | 0
Foreign currency translation | 176 | (19)
Ending Balance | $ 78,673 | $ 83,503

X
- Definition Goodwill, Transfers, Held For Sale + References No definition available. + Details
Name: | mdca_GoodwillTransfersHeldForSale
Namespace Prefix: | mdca_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
Name: | us-gaap_Goodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillAcquiredDuringPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillForeignCurrencyTranslationGainLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13854-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13777-109266 + Details
Name: | us-gaap_GoodwillImpairmentLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_GoodwillRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of transfers into (out of) an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillTransfers
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=mdca_MediaServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=mdca_AllOtherDomain
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=mdca_GlobalIntegratedAgenciesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=mdca_DomesticCreativeAgenciesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=mdca_SpecialistCommunicationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |