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Per Common Share Amounts	6 Months Ended
Per Common Share Amounts	Jun. 30, 2024
Earnings Per Share [Abstract]
Per Common Share Amounts	Note 4. Per Common Share Amounts We calculate basic earnings per common share using the two class method. We calculate diluted earnings per common share using the more dilutive of the two class method or the treasury stock method. Unvested common share awards and other potentially dilutive common shares, together with the related impact on earnings, are considered when calculating diluted earnings per share. For the three and six months ended June 30, 2024 and 2023, there were no dilutive common shares and certain unvested common shares were not included in the calculation of diluted earnings per share because to do so would have been antidilutive.