XML 109 R93.htm IDEA: XBRL DOCUMENT v3.20.4
Income Taxes (Narrative) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Income Tax Contingency [Line Items]    
Deferred Tax Assets, Foreign Operating And Foreign Capital Loss Carryforwards, Foreign And State Credits $ 14,965 $ 13,375
Deferred Tax Assets, Valuation Allowance 12,548 $ 13,152
Valuation Allowance Adjustment 1,000  
Temporary Differences Related To Investments in Foreign Subsidiaries Considered Permanent 163,000  
Foreign Currency Translation Deferred $ 2,000  
Minimum [Member]    
Income Tax Contingency [Line Items]    
Foreign and United States jurisdictions, period of statutes of limitations, years 3 years  
Maximum [Member]    
Income Tax Contingency [Line Items]    
Foreign and United States jurisdictions, period of statutes of limitations, years 5 years