Taxes on Income Comprised (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Domestic taxes, current	$ 115	$ 7	$ (37)
Domestic taxes, deferred		2,987	(1,127)
Foreign taxes, current	2,212	314	2,016
Foreign taxes, deferred	(1,213)	(456)	(64)
Taxes on income	1,114	2,852	788
Income (loss) before taxes on income, domestic	(3,360)	(2,379)	(4,315)
Income (loss) before taxes on income, foreign	10,741	4,412	11,788
Income before taxes on income	$ 7,381	$ 2,033	$ 7,473