XML 67 R49.htm IDEA: XBRL DOCUMENT v3.21.2
Income Taxes Additional Information (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Income Taxes [Line Items]          
Valuation allowance $ 0 $ 0 $ 0 $ 0 $ 0
Effective Income Tax Rate Reconciliation, Percent 20.90% 21.10% 20.80% 20.80%