Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.1
Partners' Capital - Reconciliation of Change in Total Partners' Capital (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Partners Capital [Line Items]    
Earned portion of non-vested stock $ 1,396 $ 1,495
Stock option expense   4
Adjustment to redemption value on noncontrolling redeemable Operating Partnership units 294 (1,470)
Net income attributable to common shareholders/unitholders 34,454 33,889
Amortization of terminated hedge included in AOCL 229 229
Change in fair value of derivatives, net of reclassifications   48
Life Storage LP [Member]    
Partners Capital [Line Items]    
Beginning balance of total controlling partners’ capital 2,057,737 2,028,323
Earned portion of non-vested stock 1,396 1,495
Stock option expense   4
Adjustment to redemption value on noncontrolling redeemable Operating Partnership units (294) 1,470
Net income attributable to common shareholders/unitholders 34,454 33,889
Amortization of terminated hedge included in AOCL 229 229
Change in fair value of derivatives, net of reclassifications   48
Distributions (46,631) (46,121)
Ending balance of total controlling partners’ capital 2,046,891 2,019,337
Life Storage LP [Member] | Life Storage Holdings, Inc. General Partner [Member]    
Partners Capital [Line Items]    
Beginning balance of total controlling partners’ capital 20,816 20,478
Forfeiture Of Non Vested Stock   1
Earned portion of non-vested stock 14 15
Net income attributable to common shareholders/unitholders 347 340
Amortization of terminated hedge included in AOCL 2 2
Distributions (469) (463)
Ending balance of total controlling partners’ capital 20,710 20,373
Life Storage LP [Member] | Life Storage, Inc. Limited Partner [Member]    
Partners Capital [Line Items]    
Beginning balance of total controlling partners’ capital 2,043,796 2,015,432
Forfeiture Of Non Vested Stock   (1)
Earned portion of non-vested stock 1,382 1,480
Stock option expense   4
Adjustment to redemption value on noncontrolling redeemable Operating Partnership units (294) 1,470
Net income attributable to common shareholders/unitholders 34,107 33,549
Amortization of terminated hedge included in AOCL (2) (2)
Distributions (46,162) (45,658)
Ending balance of total controlling partners’ capital 2,032,827 2,006,274
Accumulated Other Comprehensive Income (Loss) [Member]    
Partners Capital [Line Items]    
Amortization of terminated hedge included in AOCL 229 229
Change in fair value of derivatives, net of reclassifications   48
Accumulated Other Comprehensive Income (Loss) [Member] | Life Storage LP [Member]    
Partners Capital [Line Items]    
Beginning balance of total controlling partners’ capital (6,875) (7,587)
Amortization of terminated hedge included in AOCL 229 229
Change in fair value of derivatives, net of reclassifications   48
Ending balance of total controlling partners’ capital $ (6,646) $ (7,310)