Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Earnings Per Share [Abstract]
Numerator for basic earnings per share - net income attributable to common stockholders		$ 280,559	$ 449,849	$ 840,404	$ 831,709
Adjustment for net income (loss) attributable to OP Units and DownREIT Units		1,062	1,221	2,927	1,235
Numerator for diluted earnings per share		$ 281,621	$ 451,070	$ 843,331	$ 832,944
Denominator for basic earnings per share - weighted average shares (in shares)		672,407	611,290	657,571	595,353
Effect of dilutive securities:
Employee stock options (in shares)		698	370	618	181
Unvested restricted shares and units (in shares)		3,294	2,517	3,137	1,686
OP units and DownREIT Units (in shares)		2,632	2,123	2,603	2,192
Employee stock purchase program (in shares)		19	22	20	22
Exchangeable notes (in shares)		6,349	1,984	5,269	757
Dilutive potential common shares (in shares)		12,992	7,016	11,647	4,838
Denominator for diluted earnings per share - adjusted weighted average shares (in shares)		685,399	618,306	669,218	600,191
Basic earnings per share (in dollars per share)		$ 0.42	$ 0.74	$ 1.28	$ 1.40
Diluted earnings per share (in dollars per share)	[1]	$ 0.41	$ 0.73	$ 1.26	$ 1.39

[1] Includes adjustment to the numerator for income (loss) attributable to OP Units and DownREIT Units.