CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenue:
Operating Lease, Lease Income	$ 586,382	$ 575,070	$ 1,727,576	$ 1,703,263
Management, development and other fees	1,231	912	3,484	2,752
Total revenue	587,613	575,982	1,731,060	1,706,015
Expenses:
Operating expenses, excluding property taxes	133,445	132,237	389,825	394,332
Property taxes	64,374	61,230	187,890	181,120
Interest expense, net	51,493	54,097	149,395	165,795
Loss on extinguishment of debt, net	93	1,678	602	2,717
Depreciation expense	165,463	156,538	490,213	472,282
General and administrative expense	12,769	14,744	45,440	44,384
Expensed transaction, development and other pursuit costs, net of recoveries	175	523	2,562	2,212
Casualty and impairment gain, net	0	554	0	612
Total expenses	427,812	420,493	1,265,927	1,262,230
Equity in income of unconsolidated real estate entities	1,643	10,031	780	12,560
Gain on sale of communities	130,484	27,243	165,849	132,444
Gain on other real estate transactions, net	73	12	374	335
Other Selling, General and Administrative Expense	(1,108)	(339)	(2,526)	(497)
Income before income taxes	290,893	192,436	629,610	588,627
Income Tax Expense (Benefit)	11,184	29	11,178	87
Net income	279,709	192,407	618,432	588,540
Net (income) loss attributable to noncontrolling interests	(32)	79	(108)	251
Net income attributable to common stockholders	279,677	192,486	618,324	588,791
Other comprehensive income (loss):
(Loss) gain on cash flow hedges	(13,644)	0	(23,763)	11,499
Cash flow hedge losses reclassified to earnings	1,746	1,466	4,825	4,679
Comprehensive income	$ 267,779	$ 193,952	$ 599,386	$ 604,969
Earnings per common share - basic:
Net income attributable to common stockholders (in dollars per share)	$ 2.00	$ 1.39	$ 4.44	$ 4.26
Earnings per common share - diluted:
Net income attributable to common stockholders (in dollars per share)	$ 2.00	$ 1.39	$ 4.43	$ 4.26