Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Earnings Per Share [Abstract]
Numerator for basic and diluted earnings per share - net income (loss) attributable to common stockholders	$ 61,925	$ 71,546
Adjustment for net income (loss) attributable to OP units	(145)	(1,353)
Numerator for diluted earnings per share	$ 61,780	$ 70,193
Denominator for basic earnings per share - weighted average shares (in shares)	447,379,000	417,241,000
Effect of dilutive securities:
Employee stock options (in shares)	31,000	0
Non-vested restricted shares (in shares)	974,000	421,000
Redeemable op units (in shares)	1,396,000	1,396,000
Employee stock purchase program (in shares)	22,000	21,000
Dilutive potential common shares (in shares)	2,423,000	1,838,000
Denominator for diluted earnings per share - adjusted weighted average shares (in shares)	449,802,000	419,079,000
Basic earnings per share (in dollars per share)	$ 0.14	$ 0.17
Diluted earnings per share (in dollars per share)	$ 0.14	$ 0.17
Forward sales agreement
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive securities (in shares)	14,297,958	2,214,760