XML 44 R29.htm IDEA: XBRL DOCUMENT v3.8.0.1

Other Events (Notes)	12 Months Ended
Other Events (Notes)	Dec. 31, 2017
Other Events [Abstract]
Other Events [Text Block]	21. Other Events None.

X

- Definition

Other Events [Abstract]

+ References

No definition available.

+ Details

Name:	mdca_OtherEventsAbstract
Namespace Prefix:	mdca_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Other Events [Text Block]

+ References

No definition available.

+ Details

Name:	mdca_OtherEventsTextBlock
Namespace Prefix:	mdca_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration