Annual report pursuant to Section 13 and 15(d)

Income Taxes (Narrative) (Details)

v3.20.4
Income Taxes (Narrative) (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Operating Loss Carryforwards [Line Items]      
Net operating loss carryforwards $ 89,100,000    
Net operating loss carryforwards, not subject to expiration 72,700,000    
Net operating loss carryforwards, subject to expiration 16,500,000    
Deferred tax assets, net operating loss carryforwards 24,253,000 $ 23,660,000  
Deferred tax assets, valuation allowance 21,200,000 21,900,000  
Undistributed earnings of foreign subsidiaries 320,800,000    
Undistributed earnings foreign subsidiaries, subject to transition tax 100,000,000.0    
Change in unrecognized tax benefit reasonably possible, low range 0    
Change in unrecognized tax benefit reasonably possible, high range 5,400,000    
Unrecognized tax benefits that would affect the effective tax rate 13,600,000 11,500,000 $ 9,100,000
Interest expense and penalties recognized (reversed) (800,000) (500,000) $ (400,000)
Income Tax Examination, Penalties and Interest Accrued $ 2,300,000 $ 1,500,000