Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.2
Partners' Capital - Reconciliation of Change in Total Partners' Capital (Detail) - USD ($)
$ 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
Partners Capital [Line Items]            
Earned portion of non-vested stock $ 1,071 $ 1,124 $ 839 $ 1,396    
Adjustment to redemption value on noncontrolling redeemable Operating Partnership Units 2,609 (5,542) 150 294 $ (2,933)  
Net income attributable to common shareholders/unitholders 36,457 36,433 40,742 34,454 72,890 $ 75,196
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 2,147,719 2,132,894 2,046,891 2,057,737 2,132,894 2,057,737
Net proceeds from issuance of Operating Partnership Units   21,466        
Earned portion of non-vested stock 1,071 1,124 840 1,396    
Adjustment to redemption value on noncontrolling redeemable Operating Partnership Units (2,609) 5,542 (150) (294)    
Net income attributable to common shareholders/unitholders 36,457 36,433 40,742 34,454 72,890 75,196
Amortization of terminated hedge included in AOCL 229 229 229 229    
Distributions (50,186) (49,969) (46,632) (46,631)    
Ending balance of total controlling partners’ capital 2,132,681 2,147,719 2,041,920 2,046,891 2,132,681 2,041,920
Life Storage LP [Member] | Life Storage Holdings, Inc. General Partner [Member]            
Partners Capital [Line Items]            
Beginning balance of total controlling partners’ capital 21,683 21,594 20,710 20,816 21,594 20,816
Net proceeds from issuance of Operating Partnership Units   212        
Earned portion of non-vested stock 11 11 9 14    
Net income attributable to common shareholders/unitholders 366 366 409 347    
Amortization of terminated hedge included in AOCL 2 2 2 2    
Distributions (504) (502) (469) (469)    
Ending balance of total controlling partners’ capital 21,558 21,683 20,661 20,710 21,558 20,661
Life Storage LP [Member] | Life Storage, Inc. Limited Partner [Member]            
Partners Capital [Line Items]            
Beginning balance of total controlling partners’ capital 2,131,765 2,117,258 2,032,827 2,043,796 2,117,258 2,043,796
Net proceeds from issuance of Operating Partnership Units   21,254        
Earned portion of non-vested stock 1,060 1,113 831 1,382    
Adjustment to redemption value on noncontrolling redeemable Operating Partnership Units (2,609) 5,542 (150) (294)    
Net income attributable to common shareholders/unitholders 36,091 36,067 40,333 34,107    
Amortization of terminated hedge included in AOCL (2) (2) (2) (2)    
Distributions (49,682) (49,467) (46,163) (46,162)    
Ending balance of total controlling partners’ capital 2,116,623 2,131,765 2,027,676 2,032,827 2,116,623 2,027,676
Accumulated Other Comprehensive Income (Loss) [Member]            
Partners Capital [Line Items]            
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 (5,729) (5,958) (6,646) (6,875) (5,958) (6,875)
Amortization of terminated hedge included in AOCL 229 229 229 229    
Ending balance of total controlling partners’ capital $ (5,500) $ (5,729) $ (6,417) $ (6,646) $ (5,500) $ (6,417)