Consolidated Statements of Income and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenues:
Rental income	$ 225,116	$ 211,102	$ 660,689	$ 617,250
Other income	11,263	13,419	31,898	38,991
Interest income	1,831	1,846	5,385	5,658
Income from other investments, net	7,029	5,421	8,894	9,774
Total revenues	271,160	256,675	778,616	743,202
Expenses:
Property operating and maintenance	90,765	86,349	253,581	244,401
Real estate taxes	15,166	13,240	45,596	40,815
Sales and marketing, gross	4,063	3,568	11,686	9,685
Right-to-use contract commissions, deferred, net	(313)	(458)	(893)	(744)
Depreciation and amortization	37,032	34,980	112,785	101,699
Home selling expenses	1,033	1,101	3,218	3,149
General and administrative	8,710	8,816	27,844	26,523
Other expenses	1,460	386	2,427	1,096
Early debt retirement	0	0	1,491	0
Interest and related amortization	25,547	26,490	77,964	78,478
Total expenses	206,502	197,803	601,604	573,792
Gain on sale of real estate, net	0	0	52,507	0
Income before equity in income of unconsolidated joint ventures	64,658	58,872	229,519	169,410
Equity in income of unconsolidated joint ventures	3,518	788	8,277	3,596
Consolidated net income	68,176	59,660	237,796	173,006
Income allocated to non-controlling interests – Common OP Units	(3,715)	(3,590)	(13,617)	(10,569)
Net income available for Common Stockholders	64,461	56,070	224,171	162,429
Other comprehensive income (loss):
Adjustment for fair market value of swap	(257)	380	(2,798)	3,017
Consolidated comprehensive income	67,919	60,040	234,998	176,023
Comprehensive income allocated to non-controlling interests – Common OP Units	(3,701)	(3,613)	(13,460)	(10,754)
Comprehensive income attributable to Common Stockholders	$ 64,218	$ 56,427	$ 221,530	$ 165,261
Earnings per Common Share – Basic (usd per share)	$ 0.35	$ 0.31	$ 1.24	$ 0.91
Earnings per Common Share – Fully Diluted (usd per share)	$ 0.35	$ 0.31	$ 1.24	$ 0.91
Weighted average Common Shares outstanding – basic (shares)	181,649	178,400	180,515	177,520
Weighted Average Number of Shares Outstanding, Diluted (shares)	192,400	190,526	191,840	189,654
Right-to-use annual payments (membership subscriptions)
Revenues:
Contract revenue	$ 13,150	$ 12,206	$ 38,052	$ 35,616
Right-to-use contracts current period, gross (membership upgrade sales)
Revenues:
Contract revenue	5,730	4,863	14,609	11,969
Right-to-use contract upfront payments, deferred, net
Revenues:
Contract revenue	(3,530)	(2,883)	(8,213)	(6,189)
Gross revenues from home sales
Revenues:
Contract revenue	8,438	9,339	22,738	26,753
Expenses:
Cost of services	8,434	9,742	23,230	27,948
Brokered resale and ancillary services revenues, net
Revenues:
Contract revenue	2,133	1,362	4,564	3,380
Property management
Expenses:
Cost of services	14,605	13,589	42,675	40,742
Redeemable Perpetual Preferred Stock
Expenses:
Redeemable perpetual preferred stock dividends	$ 0	$ 0	$ (8)	$ (8)