Condensed Consolidated Statements of Comprehensive Income (Parenthetical) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
---|---|---|---|---|
Jun. 30, 2013
|
Jun. 30, 2012
|
Jun. 30, 2013
|
Jun. 30, 2012
|
|
Statement Of Income And Comprehensive Income [Abstract] | ||||
Foreign currency translation adjustment, tax | $ 11 | $ 11 | ||
Unrealized (loss) gain on available-for-sale securities, tax | $ 57 | $ 64 | $ 178 | $ 23 |