EARNINGS PER SHARE - Components of Basic and Diluted EPS (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Earnings Per Share [Abstract]
Net Income Attributable to Common Shareholders	$ 366,143	$ 334,753
Weighted Average Common Shares Outstanding:
Basic (in shares)	343,678,243	331,102,237
Dilutive Effect of:
Share-Based Compensation Awards and Other (in shares)	656,446	747,233
Equity Forward Sale Agreement (in shares)	0	1,087,683
Total Dilutive Effect (in shares)	656,446	1,834,916
Diluted (in shares)	344,334,689	332,937,153
Basic EPS (in dollars per share)	$ 1.07	$ 1.01
Diluted EPS (in dollars per share)	$ 1.06	$ 1.01