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Share-Based Compensation (Narrative Disclosures) (Details)
$ in Millions
12 Months Ended
Dec. 31, 2019
USD ($)
shares
Share-based Payment Arrangement [Abstract]  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 185,000
Number of shares available for grant 234,590
Deferred compensation expense yet to be recognized | $ $ 3.4
Period of time that deferred compensation expense will be recognized 2 years 5 months 26 days