Property Dispositions (Details) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
Property Dispositions (Details) $ in Thousands	Apr. 30, 2026 USD ($)	Jun. 30, 2026 USD ($) property	Jun. 30, 2025 USD ($) property	Jun. 30, 2026 USD ($) property	Jun. 30, 2025 USD ($) property
Discontinued Operation Additional Disclosures
Proceeds from sales of real estate				$ 220,779	$ 309,062
Gain (loss) on sale of real estate, net		$ 5,819	$ 52,824	59,960	$ 96,601
Amounts reclassified from accumulated other comprehensive loss to:
Discontinued Operation Additional Disclosures
Gain (loss) on sale of real estate, net	$ (5,500)	$ (5,479)		$ (5,479)
Properties Disposed of by Sale
Discontinued Operation Additional Disclosures
Number of properties sold (property) \| property		9	46	28	55
Proceeds from sales of real estate		$ 76,000	$ 360,600	$ 232,700	$ 487,300
Gain (loss) on sales of property		5,800	52,800	60,000	96,600
Gains on sales of investment real estate, tax expense		$ 500	$ 5,100	$ 1,000	$ 5,000
Properties Disposed of by Sale \| Self-Storage
Discontinued Operation Additional Disclosures
Number of properties sold (property) \| property			10		10
Proceeds from sales of real estate			$ 110,400		$ 110,400
Gain (loss) on sales of property			$ 13,900		$ 13,900
Properties Disposed of by Sale \| Self-Storage
Discontinued Operation Additional Disclosures
Number of properties sold (property) \| property				11
Proceeds from sales of real estate				$ 73,000
Gain (loss) on sales of property				$ 28,700