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Condensed Consolidated Statements of Other Comprehensive Income (Loss) (Unaudited) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Statement of Comprehensive Income [Abstract]    
Consolidated net income $ 4,704 $ 595
Other comprehensive income (loss):    
Change in unrealized value of investments 0 (7)
Foreign currency translation adjustment (62) (131)
Other comprehensive income (loss) (62) (138)
Comprehensive income $ 4,642 $ 457