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Segment Information - Schedule of Financial Information (Detail) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Segment Reporting Information [Line Items] |  |
Revenues: | $ 799,539 | $ 503,050
Operating expenses: | 463,711 | 239,508
Net operating income: | 335,828 | 263,542
Management fees and other income | 30,148 | 21,384
General and administrative expense | (43,722) | (34,763)
Depreciation and amortization expense | (196,966) | (78,490)
Interest expense | (132,887) | (80,099)
Non-cash interest expense related to amortization of discount on Life Storage unsecured senior notes | (10,705) | 0
Interest income | 23,573 | 19,438
Equity in earnings and dividend income from unconsolidated real estate entities | 15,007 | 10,305
Income tax expense | (6,742) | (4,308)
Net income | 224,074 | 208,878
Operating Segments |  |
Segment Reporting Information [Line Items] |  |
Revenues: | 769,391 | 481,666
Operating expenses: | 223,023 | 126,255
Net operating income: | 546,368 | 355,411
Self-Storage Operations | Operating Segments |  |
Segment Reporting Information [Line Items] |  |
Revenues: | 688,044 | 433,962
Operating expenses: | 204,518 | 117,166
Net operating income: | 483,526 | 316,796
Tenant Reinsurance | Operating Segments |  |
Segment Reporting Information [Line Items] |  |
Revenues: | 81,347 | 47,704
Operating expenses: | 18,505 | 9,089
Net operating income: | $ 62,842 | $ 38,615

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