Equity, Capital and Other Interests - Changes in the Company's Issued and Outstanding Common Shares and Units (Details) - shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Equity Capital And Other Interests [Abstract]
Common Stock, Shares, Outstanding	372,302,000	371,670,884	369,405,161
Common Shares Issued:
Conversion of OP Units	1,354,208	122,505	313,940
Exercise of share options	1,710,692	239,695	1,745,050
Employee Share Purchase Plan (ESPP)	70,702	90,196	48,131
Restricted share grants, net	89,593	178,720	158,602
Common Stock, Shares, Outstanding	375,527,195	372,302,000	371,670,884
Units
Total Units Outstanding	13,858,073	13,731,315	13,904,035
Restricted unit grants, net	155,162	249,263	141,220
Conversion of OP Units to Common Shares	(1,354,208)	(122,505)	(313,940)
Total Units Outstanding	12,659,027	13,858,073	13,731,315
Common Shares And Units Outstanding	388,186,222	386,160,073	385,402,199
Units Ownership Interest in Operating Partnership	3.30%	3.60%	3.60%