Annual report pursuant to Section 13 and 15(d)

Schedule III - Reconciliation (Details)

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Schedule III - Reconciliation (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Self Storage properties:      
Balance at beginning of year $ 6,391,572 $ 5,798,188 $ 3,639,192
Acquisitions and improvements 258,560 602,082 2,159,856
Write-off of fully depreciated assets and other (767) (1,145) (860)
Dispositions (226,379) (7,553) 0
Reclassification to assets held for sale (630,812) 0 0
Balance at end of year 5,792,174 6,391,572 5,798,188
Accumulated depreciation:      
Balance at beginning of year 772,661 578,717 443,623
Depreciation expense 210,216 196,207 135,147
Write-off of fully depreciated assets and other (124) (371) (53)
Dispositions (27,781) (1,892) 0
Reclassification to assets held for sale (80,613) 0 0
Balance at end of year $ 874,359 $ 772,661 $ 578,717