Accounts payable, accrued expenses, and other liabilities (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended			9 Months Ended
	Oct. 25, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Subsequent Event [Line Items]
Accounts payable and accrued expenses		$ 558,065			$ 558,065		$ 285,021
Accrued construction		412,000			412,000		333,271
Acquired below-market leases		358,203			358,203		288,075
Conditional asset retirement obligations		58,729			58,729		47,070
Deferred rent liabilities		12,324			12,324		4,495
Operating lease liability		371,538			371,538		345,750
Unearned rent and tenant security deposits		299,089			299,089		276,751
Other liabilities		79,502			79,502		89,399
Total		2,149,450			2,149,450		$ 1,669,832
Payments to acquire real estate					3,758,704	$ 1,989,648
Deferred purchase price obligation		185,200			$ 185,200
Greater Boston
Subsequent Event [Line Items]
Payments to acquire real estate		$ 192,000	$ 235,000	$ 1,541,326
Greater Boston | Subsequent Event
Subsequent Event [Line Items]
Payments to acquire real estate	$ 25,200