Condensed Consolidated Statements Of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Statement of Comprehensive Income [Abstract]
Net income	$ 237	$ 1,129	$ 8,343	$ 17,105
Unrealized losses on securities held as available for sale, net of tax:
Unrealized net holding losses arising during the period	0	0	0	(32)
Less: Reclassification adjustment for realized gains included in earnings	0	0	0	(230)
Foreign currency translation adjustments	3,145	5,101	(5,007)	4,762
Comprehensive income	$ 3,382	$ 6,230	$ 3,336	$ 21,605