Other income (expenses), net (Tables)

12 Months Ended

Dec. 31, 2015

Other Income and Expenses [Abstract]

Components of Other Income (Expense), Net

Year ended December 31,	2013		2014			2015
Foreign exchange income (loss), net	$	2,528	$	(3,690	)	$	(8,678	)
Interest income from finance lease receivable		979		656			303
Gain on disposal of idle property, plant and equipment		1,352		447			106
Others		1,480		208			880
	$	6,339	$	(2,379	)	$	(7,389	)