Acquisitions, Joint Ventures and Investment - Investments in Iconix China (Detail) - Iconix China $ in Thousands	Mar. 31, 2016 USD ($)
Schedule Of Investments [Line Items]
Value of Investment	$ 41,184
Candies Shanghai Fashion Co., Ltd.
Schedule Of Investments [Line Items]
Ownership by Iconix China	20.00%
Value of Investment	$ 10,475
Shanghai MuXiang Apparel & Accessory Co. Limited
Schedule Of Investments [Line Items]
Ownership by Iconix China	15.00%
Value of Investment	$ 2,293
Bai Shi Kou International (Qingdao) Home Products Co. Ltd.
Schedule Of Investments [Line Items]
Ownership by Iconix China	20.00%
Value of Investment	$ 384
Ningo Material Girl Fashion Co., Ltd
Schedule Of Investments [Line Items]
Ownership by Iconix China	20.00%
Value of Investment	$ 3,636
Tangli International Holdings Ltd,
Schedule Of Investments [Line Items]
Ownership by Iconix China	20.00%
Value of Investment	$ 13,302
Ecko Industry (Shanghai) Co., Ltd.
Schedule Of Investments [Line Items]
Ownership by Iconix China	20.00%
Value of Investment	$ 11,094

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35755396&loc=d3e33749-111570

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.12)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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