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)

v3.21.2
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, 2021
Mar. 31, 2021
Jun. 30, 2020
Mar. 31, 2020
Jun. 30, 2021
Jun. 30, 2020
Numerator:            
Net income attributable to common shareholders/unitholders $ 57,516 $ 47,383 $ 36,457 $ 36,433 $ 104,898 $ 72,890
Denominator:            
Denominator for basic earnings per share/unit - weighted average shares/units 77,057,520   70,267,332   76,222,426 70,141,595
Effect of Dilutive Securities:            
Stock options and non-vested stock 162,000   92,000   143,000 101,000
Denominator for diluted earnings per share/unit - adjusted weighted average shares/units and assumed conversion 77,219,999   70,359,207   76,365,100 70,242,776
Basic earnings per common share/unit attributable to common shareholders/unitholders $ 0.75   $ 0.52   $ 1.38 $ 1.04
Diluted earnings per common share/unit attributable to common shareholders/unitholders $ 0.74   $ 0.52   $ 1.37 $ 1.04
Life Storage LP [Member]            
Numerator:            
Net income attributable to common shareholders/unitholders $ 57,516 $ 47,383 $ 36,457 $ 36,433 $ 104,898 $ 72,890
Denominator:            
Denominator for basic earnings per share/unit - weighted average shares/units 77,057,520   70,267,332   76,222,426 70,141,595
Effect of Dilutive Securities:            
Stock options and non-vested stock 162,000   92,000   143,000 101,000
Denominator for diluted earnings per share/unit - adjusted weighted average shares/units and assumed conversion 77,219,999   70,359,207   76,365,100 70,242,776
Basic earnings per common share/unit attributable to common shareholders/unitholders $ 0.75   $ 0.52   $ 1.38 $ 1.04
Diluted earnings per common share/unit attributable to common shareholders/unitholders $ 0.74   $ 0.52   $ 1.37 $ 1.04