Earnings per Share and Unit (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Earnings Per Share Basic [Line Items]
Income per common share - basic	$ 0.51	$ 0.69	$ 2.26	$ 1.73
Income per common share - diluted	$ 0.51	$ 0.69	$ 2.26	$ 1.72
Weighted Average Limited Partnership Units Outstanding, Basic	741,433	760,046	750,671	762,601
Continuing Operations [Member] | Parent Company [Member]
Earnings Per Share Basic [Line Items]
Income attributable to common stockholders/unit holders - basic	$ 87,578	$ 117,406	$ 387,602	$ 293,552
Income attributable to common stockholders/unit holders - diluted	$ 87,578	$ 117,406	$ 387,602	$ 293,552
Weighted average common shares/units outstanding for basic EPS/EPU	171,121,000	170,090,000	171,499,000	169,906,000
Weighted average common shares/units outstanding for diluted EPS/EPU	171,525,000	170,589,000	171,870,000	170,314,000
Income per common share - basic	$ 0.51	$ 0.69	$ 2.26	$ 1.73
Income per common share - diluted	$ 0.51	$ 0.69	$ 2.26	$ 1.72
Continuing Operations [Member] | Partnership Interest [Member]
Earnings Per Share Basic [Line Items]
Income attributable to common stockholders/unit holders - basic	$ 87,957	$ 117,925	$ 389,296	$ 294,867
Income attributable to common stockholders/unit holders - diluted	$ 87,957	$ 117,925	$ 389,296	$ 294,867
Weighted average common shares/units outstanding for basic EPS/EPU	171,862,000	170,850,000	172,249,000	170,668,000
Weighted average common shares/units outstanding for diluted EPS/EPU	172,267,000	171,349,000	172,620,000	171,076,000
Income per common share - basic	$ 0.51	$ 0.69	$ 2.26	$ 1.73
Income per common share - diluted	$ 0.51	$ 0.69	$ 2.26	$ 1.72