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Accumulated Other Comprehensive Income (Tables)
12 Months Ended
Dec. 31, 2020
Equity [Abstract]  
Summary of Accumulated Balances Related to Each Component of Other Comprehensive Income (Loss)
The accumulated balances related to each component of other comprehensive income (loss), net of taxes, were as follows for the years ended December 31, 2020 and 2019:
(in thousands)December 31, 2020December 31, 2019
Foreign currency translation$81 $13 
Unrealized gain on marketable securities158 236 
Accumulated other comprehensive income$239 $249