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Share-Based Compensation (Restricted Stock Units and Performance Share Units Granted) (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Restricted stock units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares granted (in shares) 346,600 463,476 304,332
Weighted Average Grant-Date Fair Value (in dollars per share) $ 7.62 $ 6.72 $ 6.04
Grant Date Fair Value $ 2.6 $ 3.1 $ 1.8
Performance stock units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares granted (in shares) 154,860 177,176 228,248
Weighted Average Grant-Date Fair Value (in dollars per share) $ 8.40 $ 7.60 $ 6.70
Grant Date Fair Value $ 1.3 $ 1.3 $ 1.5