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Stock Awards - Fair Value Assumptions (Details)
3 Months Ended
Mar. 31, 2020
$ / shares
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Risk-free interest rate 1.24%
Expected term (in years) 7 years 6 months
Expected stock price volatility 28.90%
Dividend yield 1.25%
Fair value of stock option $ 3.34