XML 91 R79.htm IDEA: XBRL DOCUMENT v3.22.0.1
Income Taxes - Reconciliation of Statutory to Effective Income Tax Rate (Details)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Effective Income Tax Rate Reconciliation, Percent [Abstract]      
Federal statutory rate 21.00% 21.00% 21.00%
State taxes, net of federal benefit 3.20% 5.20% 4.30%
Effect of foreign operations 1.70% 0.50% 0.20%
Stock compensation (5.20%) (0.30%) (1.00%)
Non-deductible acquisition costs 1.00% 3.10% 0.20%
Research and development tax credit (4.80%) (3.90%) (1.80%)
Other (0.30%) (0.40%) (0.30%)
Effective tax rate 16.60% 25.20% 22.60%