Contingencies - Additional Information (Detail)					1 Months Ended
	Jan. 12, 2018 USD ($)	Nov. 03, 2017 USD ($)	Nov. 01, 2017 USD ($)	Oct. 27, 2017 USD ($)	Aug. 31, 2017 USD ($)	Apr. 30, 2016 USD ($)	Jul. 31, 2013 USD ($)	Dec. 31, 2017 Claim
Loss Contingencies [Line Items]
Number of consolidated claims | Claim								3
Signature Apparel Group LLC v. ROC Fashions, LLC | Subsequent Event
Loss Contingencies [Line Items]
Application to reimburse counsel fees and expenses	$ 4,200,000
Signature Apparel Group LLC v. ROC Fashions, LLC | Signature's principals
Loss Contingencies [Line Items]
Disgorgement of consulting fees					$ 2,050,000
Signature Apparel Group LLC v. ROC Fashions, LLC | Maximum
Loss Contingencies [Line Items]
Compensatory damages sought		$ 70,000,000
Signature Apparel Group LLC v. ROC Fashions, LLC | Minimum
Loss Contingencies [Line Items]
Compensatory damages sought							$ 8,800,000
3TAC, LLC and West Loop South, LLC
Loss Contingencies [Line Items]
Compensatory damages sought				$ 19,000,000
Seth Gerszberg and EGRHC, LLC
Loss Contingencies [Line Items]
Compensatory damages sought			$ 100,000,000
New Rise Brands Holdings, LLC and Sichuan New Rise Import & Export Co. Ltd v. IP Holdings, LLC
Loss Contingencies [Line Items]
Compensatory damages sought						$ 15,000,000
Punitive damages						$ 50,000,000