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ACCUMULATED OTHER COMPREHENSIVE INCOME (Tables)
9 Months Ended
Sep. 30, 2020
Equity [Abstract]  
Schedule of accumulated other comprehensive income (loss)
Accumulated other comprehensive income (loss) consisted of the following (in thousands):
Minimum Pension LiabilityForeign Currency TranslationForeign Currency Gain
on Intra-Entity
Transactions
Total Accumulated Other Comprehensive Income
Balances at December 31, 2019$(346)$859 $— $513 
Current period other comprehensive income— 1,798 5,488 7,286 
Balances at September 30, 2020$(346)$2,657 $5,488 $7,799