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Consolidated Balance Sheets (Parentheticals) - $ / shares
Jun. 30, 2023
Dec. 31, 2022
Statement of Financial Position [Abstract]    
Common stock, par value (in usd per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 500,000,000 500,000,000
Common stock, issued (in shares) 162,071,479 170,841,164
Common stock, outstanding (in shares) 162,071,479 170,841,164
Preferred stock, authorized (in shares) 15,000,000 15,000,000
Preferred stock, issued (in shares) 0 0
Preferred stock, outstanding (in shares) 0 0