Annual report pursuant to Section 13 and 15(d)

INCOME TAXES (Narrative) (Details)

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INCOME TAXES (Narrative) (Details) - USD ($)
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Anticipated change in unrecognized tax benefits    
U.S. tax impact of foreign operations 6.70% 12.30%
Deferred tax assets, valuation allowance $ 15,262,000 $ 21,388,000
Decrease in valuation allowance, deferred tax asset 6,100,000  
Foreign tax and withholding credits 14,453,000 14,640,000
Net operating losses 5,978,000 7,139,000
Unrecognized tax benefits that would impact effective tax rate 100,000 1,500,000
Unrecognized tax benefits, income tax penalties and interest accrued 36,000 100,000
Unrecognized tax benefits, income tax penalties and interest expense period decrease 100,000 33,000
Unrecognized tax benefits, increase in period 0 200,000
Unrecognized tax benefits, income tax penalties and interest expense 0 100,000
Income tax benefit resulting from lapse of applicable statute of limitations 1,300,000 $ 800,000
Commissions and transfer pricing | Minimum    
Anticipated change in unrecognized tax benefits    
Increase in unrecognized tax benefits within the next twelve months 0  
Commissions and transfer pricing | Maximum    
Anticipated change in unrecognized tax benefits    
Increase in unrecognized tax benefits within the next twelve months 100,000  
Audits or the expiration of statutes of limitations in various foreign jurisdictions | Minimum    
Anticipated change in unrecognized tax benefits    
Decrease in unrecognized tax benefits within the next twelve months 0  
Audits or the expiration of statutes of limitations in various foreign jurisdictions | Maximum    
Anticipated change in unrecognized tax benefits    
Decrease in unrecognized tax benefits within the next twelve months 100,000  
Domestic Tax Authority    
Anticipated change in unrecognized tax benefits    
Decrease in valuation allowance, deferred tax asset 2,700,000  
Foreign Tax Authority    
Anticipated change in unrecognized tax benefits    
Decrease in valuation allowance, deferred tax asset 3,400,000  
Foreign tax and withholding credits $ 14,100,000