The Company - Additional Information (Detail)	Dec. 31, 2020
Iconix Latin America
Significant Accounting Policies [Line Items]
Company ownership interest	100.00%
Iconix Canada
Significant Accounting Policies [Line Items]
Company ownership interest	100.00%

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

No definition available.

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