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Shareholders' Equity (Tables)
 9 Months Ended
Sep. 30, 2021
Equity [Abstract]  
Components of Accumulated Other Comprehensive Income
The components of accumulated other comprehensive income are as follows:
September 30,
2021		December 31,
2020
Unrealized gain (loss) on investments$(30)$13 
Income on foreign currency translation adjustments1,545 3,984 
Total accumulated other comprehensive income$1,515 $3,997