Per Common Share Amounts	6 Months Ended
	Jun. 30, 2022
Earnings Per Share [Abstract]
Per Common Share Amounts	Per Common Share AmountsWe calculate basic earnings per common share using the two class method. We calculate diluted earnings per share using the more dilutive of the two class method or the treasury stock method. Unvested 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, 2022 and 2021, there were no dilutive common shares.