Commitments and Contingencies (Detail) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022 USD ($) store	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) store	Sep. 30, 2021 USD ($)
Other Commitments [Line Items]
Property operations | $	$ 114,577	$ 92,794	$ 322,371	$ 274,316
Tenant reinsurance | $	10,770	$ 7,509	$ 25,349	$ 21,405
Hurricane
Other Commitments [Line Items]
Loss from hurricane | $	3,200
Tenant reinsurance | $	$ 3,000
Commitment to acquire stores
Other Commitments [Line Items]
Number of real estate properties to be acquired | store	15		15
Purchase price | $	$ 272,928		$ 272,928
Commitment to acquire stores, scheduled to close in current fiscal year
Other Commitments [Line Items]
Number of real estate properties to be acquired | store	7		7
Commitment to acquire stores, scheduled to close in next fiscal year
Other Commitments [Line Items]
Number of real estate properties to be acquired | store	8		8
Commitment to acquire stores with joint venture partners
Other Commitments [Line Items]
Number of real estate properties to be acquired | store	7		7
Purchase price | $	$ 24,431		$ 24,431
Commitment to acquire stores with joint venture partners, scheduled to close in current fiscal year
Other Commitments [Line Items]
Number of real estate properties to be acquired | store	3		3
Commitment to acquire stores with joint venture partners, scheduled to close in next fiscal year
Other Commitments [Line Items]
Number of real estate properties to be acquired | store	4		4