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Stock-Based Compensation - Summary of Performance and Market Based RSUs (Details) - Performance and Market-based Restricted Stock Units
3 Months Ended
Mar. 31, 2021
$ / shares
shares
Units  
Outstanding at beginning of year - Units | shares 225,559
Granted - Units | shares 69,872
Attained by performance - Units | shares 18,107
Released - Units | shares (53,137)
Forfeited - Units | shares (24,622)
Outstanding at end of year - Units | shares 235,779
Weighted Average Grant Date Fair Value  
Beginning of year - Weighted Average Grant Date Fair Value | $ / shares $ 28.97
Granted - Weighted Average Grant Date Fair Value | $ / shares 33.98
Attained by performance - Weighted Average Grant Date Fair Value | $ / shares 28.33
Vested and released - Weighted Average Grant Date Fair Value | $ / shares 28.33
Forfeited - Weighted Average Grant Date Fair Value | $ / shares 27.02
End of year - Weighted Average Grant Date Fair Value | $ / shares $ 30.75