The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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-Name Accounting Standards Codification
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Goodwill and Intangible Assets - Additional Information (Detail) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Business Acquisition [Line Items]
Goodwill (Note 6)	$ 56,091		$ 25,593
Decrease in goodwill offset amount due to foreign currency fluctuations	1,178
Aggregate amortization expense on intangible assets	280	$ 59
OGIO International, Inc.
Business Acquisition [Line Items]
Goodwill (Note 6)	5,885
TravisMathew
Business Acquisition [Line Items]
Goodwill (Note 6)	$ 23,436