XML 49 R38.htm IDEA: XBRL DOCUMENT v3.21.1

Leases - Additional Information (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($) lease
Leases [Abstract]
Number of leases not yet commenced | lease	5
Leases not yet commenced, liability	$ 34,020
Impairment of right-of-use asset and accelerated operating expenses	$ 875

X

- Definition

Impairment of Right-Of-Use Asset And Accelerated Operating Expenses

+ References

No definition available.

+ Details

Name:	mdca_ImpairmentOfRightOfUseAssetAndAcceleratedOperatingExpenses
Namespace Prefix:	mdca_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Lessee, Operating Lease, Lease Not yet Commenced, Number of Contracts

+ References

No definition available.

+ Details

Name:	mdca_LesseeOperatingLeaseLeaseNotYetCommencedNumberOfContracts
Namespace Prefix:	mdca_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Lessee, Operating Lease, Lease Not yet Commenced, Liability

+ References

No definition available.

+ Details

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

X

- References

No definition available.

+ Details

Name:	us-gaap_LeasesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration