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Incentive Compensation Plans - Employee Stock Purchase Plan Narrative (Details) - Employee Stock - Employee Stock Purchase Plan
1 Months Ended
Nov. 30, 2019
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of shares authorized (in shares) 5,772,944
Option period 6 months
Maximum employee subscription rate 30.00%
Purchase price of common stock, as a percent of the closing market price 85.00%