Provision for Income Taxes (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Domestic taxes, current	$ (37)	$ 727	$ 1,452
Domestic taxes, deferred	(1,127)	(742)	(1,024)
Foreign taxes, current	2,016	1,993	2,899
Foreign taxes, deferred	(64)	84	(419)
Taxes on income	788	2,062	2,908
Income (loss) before taxes on income, domestic	(4,315)	(1,651)	542
Income (loss) before taxes on income, foreign	11,788	17,398	20,928
Income before taxes on income	$ 7,473	$ 15,747	$ 21,470