Acquisitions and Dispositions - Store Acquisitions (Detail) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2022 USD ($) store	Mar. 31, 2022 USD ($) store	Jun. 30, 2021 USD ($) store	Mar. 31, 2021 USD ($) store	Jun. 30, 2022 USD ($) store	Jun. 30, 2021 USD ($) store
Real Estate [Abstract]
Number of Stores | store	15	14	15	9	29	74
Cash Paid	$ 220,933	$ 185,910	$ 190,729	$ 148,940	$ 406,843	$ 339,669
Finance Lease Liability	6,823	0	0	0	6,823	0
Investments in Real Estate Ventures	0	747	2,673	0	747	2,673
Net Liabilities/ (Assets) Assumed	811	274	381	2,944	1,085	3,325
Value of Equity Issued	0	40,965	0	0	40,965	0
Total	$ 228,567	$ 227,896	$ 193,783	$ 151,884	$ 456,463	$ 345,667