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Stock-based Payments Summary of TSR-based PBRSUs (Details)
12 Months Ended
Dec. 31, 2019
$ / shares
Share-based Payment Arrangement [Abstract]  
Stock price $ 17.85
Time to maturity 3 years
Risk-free interest rate 2.40%
Historical volatility rate 27.40%
Correlation coefficients 24.00%
TSR starting factor 1
Dividend yield 0.00%