XML 201 R190.htm IDEA: XBRL DOCUMENT v3.20.2
Stock-Based Compensation Plans - Schedule of Stock Option Valuation Assumptions (Details) - Stock options
9 Months Ended
Sep. 30, 2020
$ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expected volatility 27.00%
Expected option life in years 6 years 3 months
Expected dividend yield 0.08%
Risk-free interest rate 1.19%
Weighted-average fair value of stock options $ 3,800,000