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, 2021
Dec. 31, 2020
Dec. 31, 2019
Self Storage properties:      
Balance at beginning of year $ 3,639,192 $ 3,091,719 $ 2,637,723
Acquisitions and improvements 2,159,856 547,667 458,132
Reclassifications from assets for sale 0 0 0
Write-off of fully depreciated assets and other (860) (194) 0
Dispositions 0 0 (4,136)
Reclassification to assets held for sale 0 0 0
Balance at end of year 5,798,188 3,639,192 3,091,719
Accumulated depreciation:      
Balance at beginning of year 443,623 337,822 246,261
Depreciation expense 135,147 105,866 92,177
Write-off of fully depreciated assets and other (53) (65) 0
Dispositions 0 0 (616)
Assets held for sale 0 0 0
Balance at end of year $ 578,717 $ 443,623 $ 337,822