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SEGMENT INFORMATION (Tables)
9 Months Ended
Sep. 30, 2021
SEGMENT INFORMATION  
Schedule of revenue related to foreign subsidiaries

Financial information related to the foreign subsidiaries is summarized below (in thousands):

Three months ended

Nine months ended

September 30, 

September 30, 

    

2021

    

2020

    

2021

    

2020

Revenues derived from foreign subsidiaries

$

39,183

$

38,468

$

124,050

$

113,834

Revenues derived from foreign subsidiaries and identifiable assets outside of the United States are attributable to Europe and Asia-Pacific.