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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Goodwill and Intangible Assets - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Aug. 17, 2017	Jan. 11, 2017
Business Acquisition [Line Items]
Goodwill	$ 55,816,000	$ 56,429,000	$ 25,593,000
Decrease in goodwill offset amount due to foreign currency fluctuations	(721,000)
Aggregate amortization expense on intangible assets	1,066,000	$ 546,000	$ 71,000
OGIO International, Inc.
Business Acquisition [Line Items]
Goodwill	5,885,000				$ 5,885,000
TravisMathew
Business Acquisition [Line Items]
Goodwill	$ 23,748,000			$ 23,748,000