XML 78 R63.htm IDEA: XBRL DOCUMENT v3.22.0.1
Income Taxes - Reconciliation of Federal Statutory Income Tax Rate to Effective Tax Rate (Detail)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]      
Federal statutory rate 21.00% 21.00% 21.00%
State income taxes, net of federal benefit 2.00% 0.40% 2.30%
Domestic manufacturing deduction 0.00% (2.60%) (2.10%)
Research and development tax credit (3.40%) (12.60%) (4.00%)
Stock based compensation (0.50%) (0.30%) 0.20%
Valuation allowance 0.10% 1.70% 0.50%
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent 0.90% 5.60% 1.70%
Other permanent differences 0.90% (1.60%) 1.00%
Effective income tax rate for continuing operations 21.00% 11.60% 20.60%