Assets and Liabilities Held for Sale - Summary of Assets and Liabilities of Disposal Group Classified as Held for Sale (Detail) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Discontinued Operations And Disposal Groups [Abstract]
Accounts receivable, net	$ 2,149
Inventory, net	5,891
Prepaid expenses and other assets	240
Operating lease right-of-use assets	4,143
Investment	1,000
Property and equipment, net	7,291
Other intangible assets, net	993
Deferred income tax assets	4,490
Impairment loss	(9,188)
Total assets held for sale	17,009	$ 69,699
Accounts payable	536
Accrued liabilities	2,326
Operating lease liabilities	4,147
Total liabilities held for sale	$ 7,009	$ 13,062