v3.25.2
Segment Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Segment Reporting Information [Line Items]        
Revenue $ 1,201,094 $ 1,173,211 $ 2,384,278 $ 2,330,431
Depreciation and amortization (283,216) (283,342) (565,931) (568,545)
Real estate acquisition and development expense (2,538) (2,907) (9,961) (6,624)
General and administrative (25,727) (26,580) (50,911) (47,916)
Interest and other income 12,789 18,253 26,023 32,219
Interest expense (71,609) (73,236) (143,618) (141,014)
Equity in (loss) earnings of unconsolidated real estate entities (2,230) 6,480 1,397 12,570
Foreign currency exchange (loss) gain (146,070) 12,449 (214,765) 49,992
Gain on sale of real estate 163 0 208 874
Income tax expense (3,240) (2,075) (4,666) (3,554)
Net income 361,411 521,209 772,202 1,032,906
Operating Segments        
Segment Reporting Information [Line Items]        
Net income 599,873 588,825 1,168,495 1,136,359
Segment Reconciling Items        
Segment Reporting Information [Line Items]        
Real estate acquisition and development expense (2,538) (2,907) (9,961) (6,624)
General and administrative (25,727) (26,580) (50,911) (47,916)
Interest and other income 12,789 18,253 26,023 32,219
Interest expense (71,609) (73,236) (143,618) (141,014)
Equity in (loss) earnings of unconsolidated real estate entities (2,230) 6,480 1,397 12,570
Foreign currency exchange (loss) gain (146,070) 12,449 (214,765) 49,992
Gain on sale of real estate 163 0 208 874
Income tax expense (3,240) (2,075) (4,666) (3,554)
Self-Storage Operations Reportable Segment | Operating Segments        
Segment Reporting Information [Line Items]        
Revenue 1,118,658 1,099,736 2,221,656 2,185,781
Cost of operations: (284,717) (273,501) (585,871) (570,915)
Net operating income 833,941 826,235 1,635,785 1,614,866
Depreciation and amortization (283,216) (283,342) (565,931) (568,545)
Net income 550,725 542,893 1,069,854 1,046,321
Self-Storage Operations Reportable Segment | Operating Segments | Property taxes        
Segment Reporting Information [Line Items]        
Cost of operations: (120,308) (114,750) (243,210) (231,842)
Self-Storage Operations Reportable Segment | Operating Segments | On-site property manager payroll        
Segment Reporting Information [Line Items]        
Cost of operations: (39,448) (39,959) (79,083) (84,452)
Self-Storage Operations Reportable Segment | Operating Segments | Repairs and maintenance        
Segment Reporting Information [Line Items]        
Cost of operations: (22,984) (22,597) (49,894) (47,297)
Self-Storage Operations Reportable Segment | Operating Segments | Utilities        
Segment Reporting Information [Line Items]        
Cost of operations: (13,493) (13,121) (32,218) (30,624)
Self-Storage Operations Reportable Segment | Operating Segments | Marketing        
Segment Reporting Information [Line Items]        
Cost of operations: (23,890) (22,572) (50,660) (51,834)
Self-Storage Operations Reportable Segment | Operating Segments | Other direct property costs        
Segment Reporting Information [Line Items]        
Cost of operations: (29,689) (28,838) (60,382) (59,184)
Self-Storage Operations Reportable Segment | Operating Segments | Supervisory payroll        
Segment Reporting Information [Line Items]        
Cost of operations: (13,355) (12,346) (27,271) (25,452)
Self-Storage Operations Reportable Segment | Operating Segments | Centralized management costs        
Segment Reporting Information [Line Items]        
Cost of operations: (18,585) (16,253) (37,057) (33,920)
Self-Storage Operations Reportable Segment | Operating Segments | Share-based compensation        
Segment Reporting Information [Line Items]        
Cost of operations: (2,965) (3,065) (6,096) (6,310)
Ancillary Operations | Operating Segments        
Segment Reporting Information [Line Items]        
Revenue 82,436 73,475 162,622 144,650
Net operating income 49,148 45,932 98,641 90,038
Cost of operations $ (33,288) $ (27,543) $ (63,981) $ (54,612)