Debt Facilities - Fair Value of Debt Instruments (Detail) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Mortgage and loans payable	$ 657,705	$ 666,387
Senior notes	10,917,739	10,196,933
Level 1
Debt Instrument [Line Items]
Mortgage and loans payable	0	0
Senior notes	10,398,907	10,196,933
Level 2
Debt Instrument [Line Items]
Mortgage and loans payable	657,705	666,387
Senior notes	$ 518,832	$ 0