Consolidated Statements of Comprehensive Income (Parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Statement Of Income And Comprehensive Income [Abstract]
Foreign currency exchange hedge, net of tax	$ (310)	$ (390)	$ (440)
Securities available-for-sale, net of tax	14	(244)	271
Other Income, net of tax	$ (299)	$ (76)	$ 0