Annual report pursuant to Section 13 and 15(d)

Income Taxes (Reconciliation of Effective Tax Rate, by Percentage) (Details)

v3.21.1
Income Taxes (Reconciliation of Effective Tax Rate, by Percentage) (Details)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Income Taxes [Abstract]    
Tax at U.S. statutory rate 21.00% 21.00%
State income taxes, net of federal benefit (0.80%) 26.20%
Foreign income taxes, net of foreign tax credits (11.30%) 98.90%
Other nondeductible items (3.30%) (2.10%)
Effect of increase in uncertain tax positions   17.20%
Change in valuation allowance (8.70%) (181.70%)
Other 2.00% 14.00%
Effective tax rate (1.10%) (6.50%)