The Company - Additional Information (Detail)	Dec. 31, 2019
Iconix China
Significant Accounting Policies [Line Items]
Company ownership interest	100.00%
Umbro China Limited
Significant Accounting Policies [Line Items]
Company ownership interest	100.00%
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%