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Income Taxes (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Line Items]      
Valuation allowance $ 3,532 $ 2,933  
Valuation allowance increased 600    
Net current period other comprehensive income (loss) (31) 8 $ (10)
Possible reduction in liabilities for uncertain tax positions 500    
Unrecognized tax benefits that would impact effective tax rate 7,300    
Unrecognized tax benefits, income tax penalties and interest expense 200 200 $ (1,400)
Unrecognized tax benefits, income tax penalties and interest accrued 2,400 $ 2,300  
Undistributed earnings 7,400    
Associated tax without consideration of foreign tax credit 1,600    
US Federal      
Income Tax Disclosure [Line Items]      
Operating loss carryforwards $ 2,000    
Operating loss carryforwards expiration year 2022    
ITALY | Earliest Tax Year      
Income Tax Disclosure [Line Items]      
Income tax examination, year under examination   2004  
ITALY | Latest Tax Year      
Income Tax Disclosure [Line Items]      
Income tax examination, year under examination   2012  
Internal Revenue Service (IRS) | Tax Year 2018      
Income Tax Disclosure [Line Items]      
Income tax examination, year under examination   2018  
State of California | Earliest Tax Year      
Income Tax Disclosure [Line Items]      
Income tax examination, year under examination   2016  
State of California | Latest Tax Year      
Income Tax Disclosure [Line Items]      
Income tax examination, year under examination   2018