Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022
Earnings Per Share [Abstract]
Numerator for basic earnings per share - net income (loss) attributable to common stockholders		$ 25,673	$ 61,925
Adjustment for net income (loss) attributable to OP units and DownREIT Units		(10)	(145)
Numerator for diluted earnings per share		$ 25,663	$ 61,780
Denominator for basic earnings per share - weighted average shares (in shares)		492,061,000	447,379,000
Effect of dilutive securities:
Employee stock options (in shares)		4,000	31,000
Non-vested restricted shares and units (in shares)		613,000	974,000
OP units and DownREIT Units (in shares)		1,786,000	1,396,000
Employee stock purchase program (in shares)		30,000	22,000
Dilutive potential common shares (in shares)		2,433,000	2,423,000
Denominator for diluted earnings per share - adjusted weighted average shares (in shares)		494,494,000	449,802,000
Basic earnings per share (in dollars per share)		$ 0.05	$ 0.14
Diluted earnings per share (in dollars per share)	[1]	$ 0.05	$ 0.14
Forward sales agreement
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive securities (in shares)			14,297,958

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