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INCOME TAXES - Valuation Allowances (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Operating Loss Carryforwards [Line Items]    
Deferred Tax Assets, Valuation Allowance $ 42,051 $ 46,702
Capital loss carryforwards 800  
Interest expense limitation carryforwards 30,500  
Federal net operating loss carry forwards, have no expiration period 8,000  
Tax holiday, taxes decrease $ 13,300 $ 13,000
Income Tax Holiday, Income Tax Benefits Per Share $ 0.35 $ 0.34
Decrease in valuation allowance $ 4,700  
Undistributed earnings of foreign subsidiaries 32,400  
Domestic Tax Authority [Member]    
Operating Loss Carryforwards [Line Items]    
Deferred Tax Assets, Valuation Allowance 4,000  
Operating Loss Carryforwards 56,900  
Tax Credit Carryforward, Amount 1,500  
Foreign Tax Authority [Member]    
Operating Loss Carryforwards [Line Items]    
Deferred Tax Assets, Valuation Allowance 38,000  
Operating Loss Carryforwards 129,000  
State Taxing Authority [Member]    
Operating Loss Carryforwards [Line Items]    
Operating Loss Carryforwards 117,100  
Tax Credit Carryforward, Amount $ 1,700