EARNINGS PER SHARE (Schedule of Computation of Basic and Diluted Earnings per Share) (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Numerator:
Net income	$ 428,302	$ 163,545	$ 351,947
Deduct: net income attributable to noncontrolling interests	(11,563)	(4,218)	(10,824)
Net income available to common stockholders	$ 416,739	$ 159,327	$ 341,123
Denominator:
Denominator for basic earnings per share	236,933	227,741	213,404
Effect of dilutive securities:
Common stock equivalents	785	1,239	1,753
Net forward share contract			179
Noncontrolling interest - Omega OP Units	6,620	6,124	6,789
Denominator for diluted earnings per share	244,338	235,104	222,125
Earnings per share - basic:
Net income available to common stockholders	$ 1.76	$ 0.70	$ 1.60
Earnings per share - diluted:
Net income	$ 1.75	$ 0.70	$ 1.58