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Restricted Stock and Restricted Stock Units (Details) - shares
shares in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Earnings Per Share [Abstract]      
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 1,390 1,602 1,936
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 1,390 1,602 1,936
Stock Options [Member]      
Earnings Per Share [Abstract]      
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 460 151 241
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 460 151 241