Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Earnings Per Share [Abstract]
Numerator for basic and diluted earnings per share - net income (loss) attributable to common stockholders		$ 89,784	$ 26,257	$ 151,709	$ 97,803
Adjustment for net income (loss) attributable to OP units		228	(873)	106	(2,225)
Numerator for diluted earnings per share		$ 90,012	$ 25,384	$ 151,815	$ 95,578
Denominator for basic earnings per share - weighted average shares (in shares)		454,327,000	417,452,000	450,865,000	417,360,000
Effect of dilutive securities:
Employee stock options (in shares)		40,000	0	36,000	0
Non-vested restricted shares (in shares)		1,166,000	438,000	1,070,000	430,000
OP units (in shares)		1,526,000	1,396,000	1,461,000	1,396,000
Employee stock purchase program (in shares)		23,000	19,000	23,000	19,000
Dilutive potential common shares (in shares)		2,755,000	1,853,000	2,590,000	1,845,000
Denominator for diluted earnings per share - adjusted weighted average shares (in shares)		457,082,000	419,305,000	453,455,000	419,205,000
Basic earnings per share (in dollars per share)		$ 0.20	$ 0.06	$ 0.34	$ 0.23
Diluted earnings per share (in dollars per share)	[1]	$ 0.20	$ 0.06	$ 0.33	$ 0.23
Forward sales agreement
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive securities (in shares)				17,636,290	13,052,375

[1] Includes adjustment to the numerator for income (loss) attributable to OP unitholders