Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Net income	$ 28,903	$ 32,687	$ 21,117
Other Comprehensive earnings, net of tax:
Foreign Currency translation adjustments	4,445	(2,788)	(3,727)
Unrealized gains arising during the period	0	144	641
Net gains (losses) arising during the period	(453)	(4,512)	(528)
Other comprehensive income (loss)	3,992	(7,156)	(3,614)
Comprehensive Income	$ 32,895	$ 25,531	$ 17,503