Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share and Earnings Per Unit - Computation of Basic and Diluted Earnings Per Common Share/Unit (Detail)

v3.20.2
Earnings Per Share and Earnings Per Unit - Computation of Basic and Diluted Earnings Per Common Share/Unit (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Mar. 31, 2020
Jun. 30, 2019
Mar. 31, 2019
Jun. 30, 2020
Jun. 30, 2019
Numerator:            
Net income attributable to common shareholders/unitholders $ 36,457 $ 36,433 $ 40,742 $ 34,454 $ 72,890 $ 75,196
Denominator:            
Denominator for basic earnings per share/unit - weighted average shares/units 46,844,888   46,582,235   46,761,063 46,573,541
Effect of Dilutive Securities:            
Stock options and non-vested stock 61,000   49,000   68,000 60,000
Denominator for diluted earnings per share/unit - adjusted weighted average shares/units and assumed conversion 46,906,138   46,631,214   46,828,517 46,633,957
Basic earnings per common share/unit attributable to common shareholders/unitholders $ 0.78   $ 0.87   $ 1.56 $ 1.61
Diluted earnings per common share/unit attributable to common shareholders/unitholders $ 0.78   $ 0.87   $ 1.56 $ 1.61
Life Storage LP [Member]            
Numerator:            
Net income attributable to common shareholders/unitholders $ 36,457 $ 36,433 $ 40,742 $ 34,454 $ 72,890 $ 75,196
Denominator:            
Denominator for basic earnings per share/unit - weighted average shares/units 46,844,888   46,582,235   46,761,063 46,573,541
Effect of Dilutive Securities:            
Stock options and non-vested stock 61,000   49,000   68,000 60,000
Denominator for diluted earnings per share/unit - adjusted weighted average shares/units and assumed conversion 46,906,138   46,631,214   46,828,517 46,633,957
Basic earnings per common share/unit attributable to common shareholders/unitholders $ 0.78   $ 0.87   $ 1.56 $ 1.61
Diluted earnings per common share/unit attributable to common shareholders/unitholders $ 0.78   $ 0.87   $ 1.56 $ 1.61