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CONDENSED CONSOLIDATED BALANCE SHEETS (PARENTHETICALS) - $ / shares
Jun. 30, 2022
Dec. 31, 2021
Stockholders' Equity:    
Preferred Stock, par value (usd per share) $ 0.01  
Preferred stock, shares authorized (shares) 5,000,000  
Preferred stock, shares issued (shares) 0  
Common stock, par value (usd per share) $ 0.01  
Common stock, shares authorized (shares) 400,000,000  
Common stock, shares issued (shares) 136,109,649 135,255,808
Common stock, shares outstanding (shares) 126,759,705 125,905,864
Treasury Stock, Shares (shares) 9,349,944 9,349,944