Quarterly report pursuant to Section 13 or 15(d)

Partners' Capital - Reconciliation of Change in Total Partners' Capital (Detail)

v3.21.2
Partners' Capital - Reconciliation of Change in Total Partners' Capital (Detail) - USD ($)
$ 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
Partners Capital [Line Items]            
Earned portion of non-vested stock $ 1,467 $ 1,453 $ 1,071 $ 1,124    
Carrying value less than redemption value on redeemed noncontrolling interest (13) (4)        
Adjustment to redemption value on noncontrolling redeemable Operating Partnership units (7,142) (2,358) 2,609 5,542 $ (9,498)  
Net income attributable to common shareholders/unitholders 57,516 47,383 36,457 36,433 104,898 $ 72,890
Amortization of terminated hedge included in AOCL 229 229 229 229    
Life Storage LP [Member]            
Partners Capital [Line Items]            
Beginning balance of total controlling partners’ capital 2,549,490 2,378,098 2,147,719 2,132,894 2,378,098 2,132,894
Net proceeds from issuance of Operating Partnership Units 148,325 180,529   21,466    
Earned portion of non-vested stock 1,467 1,453 1,071 1,124    
Carrying value less than redemption value on redeemed noncontrolling interest (13) (4)        
Adjustment to redemption value on noncontrolling redeemable Operating Partnership units (7,142) (2,358) (2,609) 5,542    
Net income attributable to common shareholders/unitholders 57,516 47,383 36,457 36,433 104,898 72,890
Amortization of terminated hedge included in AOCL 229 229 229 229    
Distributions (56,873) (55,840) (50,186) (49,969)    
Ending balance of total controlling partners’ capital 2,692,999 2,549,490 2,132,681 2,147,719 2,692,999 2,132,681
Life Storage LP [Member] | Life Storage Holdings, Inc. General Partner [Member]            
Partners Capital [Line Items]            
Beginning balance of total controlling partners’ capital 25,782 24,045 21,683 21,594 24,045 21,594
Net proceeds from issuance of Operating Partnership Units 1,483 1,807   212    
Earned portion of non-vested stock 15 14 11 11    
Carrying value less than redemption value on redeemed noncontrolling interest (1) (1)        
Adjustment to redemption value on noncontrolling redeemable Operating Partnership units    
Net income attributable to common shareholders/unitholders 578 476 366 366    
Amortization of terminated hedge included in AOCL 2 2 2 2    
Distributions (572) (561) (504) (502)    
Ending balance of total controlling partners’ capital 27,287 25,782 21,558 21,683 27,287 21,558
Life Storage LP [Member] | Life Storage, Inc. Limited Partner [Member]            
Partners Capital [Line Items]            
Beginning balance of total controlling partners’ capital 2,528,520 2,359,094 2,131,765 2,117,258 2,359,094 2,117,258
Net proceeds from issuance of Operating Partnership Units 146,842 178,722   21,254    
Earned portion of non-vested stock 1,452 1,439 1,060 1,113    
Carrying value less than redemption value on redeemed noncontrolling interest (12) (3)        
Adjustment to redemption value on noncontrolling redeemable Operating Partnership units (7,142) (2,358) (2,609) 5,542    
Net income attributable to common shareholders/unitholders 56,938 46,907 36,091 36,067    
Amortization of terminated hedge included in AOCL (2) (2) (2) (2)    
Distributions (56,301) (55,279) (49,682) (49,467)    
Ending balance of total controlling partners’ capital 2,670,295 2,528,520 2,116,623 2,131,765 2,670,295 2,116,623
Accumulated Other Comprehensive Income (Loss) [Member]            
Partners Capital [Line Items]            
Earned portion of non-vested stock 0 0 0 0    
Carrying value less than redemption value on redeemed noncontrolling interest 0 0        
Adjustment to redemption value on noncontrolling redeemable Operating Partnership units 0 0 0 0    
Net income attributable to common shareholders/unitholders 0 0 0 0    
Amortization of terminated hedge included in AOCL 229 229 229 229    
Accumulated Other Comprehensive Income (Loss) [Member] | Life Storage LP [Member]            
Partners Capital [Line Items]            
Beginning balance of total controlling partners’ capital (4,812) (5,041) (5,729) (5,958) (5,041) (5,958)
Net proceeds from issuance of Operating Partnership Units      
Earned portion of non-vested stock    
Carrying value less than redemption value on redeemed noncontrolling interest        
Adjustment to redemption value on noncontrolling redeemable Operating Partnership units    
Net income attributable to common shareholders/unitholders    
Amortization of terminated hedge included in AOCL 229 229 229 229    
Distributions    
Ending balance of total controlling partners’ capital $ (4,583) $ (4,812) $ (5,500) $ (5,729) $ (4,583) $ (5,500)