XML 63 R51.htm IDEA: XBRL DOCUMENT v3.21.1
Income Taxes - Additional Information (Detail)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Income Tax Disclosure [Abstract]    
Effective tax rate from continuing operations 10.70% 1.30%
Effective income tax rate reconciliation, at federal statutory income tax rate, percent 21.00%