Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash Flows From Operating Activities:
Consolidated net income	$ 162,403	$ 144,751
Adjustments to reconcile consolidated net income to net cash provided by operating activities:
Depreciation	91,781	88,043
Amortization of in-place leases	2,128	2,139
Amortization of loan costs	2,676	2,930
Debt premium amortization	(1,664)	(2,633)
Equity in income of unconsolidated joint ventures	(2,876)	(2,142)
Distributions of income from unconsolidated joint ventures	2,711	1,417
Stock-based compensation	6,813	6,796
Revenue recognized from right-to-use contract upfront payments	(7,440)	(6,863)
Commission expense recognized related to right-to-use contracts	3,327	3,071
Long term incentive plan compensation	1,011	(3,390)
Recovery for uncollectible rents receivable	(52)	(548)
Changes in assets and liabilities:
Notes receivable activity, net	(337)	349
Deferred commission expense	(3,560)	(3,641)
Escrow deposits, goodwill and other assets	28,985	22,516
Accrued expenses and accounts payable	11,002	15,392
Deferred revenue – upfront payments from right-to-use contracts	11,210	9,290
Deferred revenue – right-to-use annual payments	696	700
Rents received in advance and security deposits	(3,305)	(3,595)
Net cash provided by operating activities	305,509	274,582
Cash Flows From Investing Activities:
Real estate acquisition	(2,163)	(78,203)
Investment in unconsolidated joint ventures	(33,479)	(5,000)
Distributions of capital from unconsolidated joint ventures	0	4,094
Repayments of notes receivable	7,643	7,788
Issuance of notes receivable	(22,297)	(7,436)
Capital improvements	(87,877)	(87,316)
Net cash used in investing activities	(138,173)	(166,073)
Cash Flows From Financing Activities:
Proceeds from stock options and employee stock purchase plan	1,615	5,931
Share based award tax withholding	0	(98)
Gross proceeds from sale of Common Stock	42,037	50,000
Distributions:
Common Stockholders	(121,114)	(103,803)
Common OP Unitholders	(8,786)	(8,828)
Preferred Stockholders	(6,910)	(6,910)
Principal payments and mortgage debt payoff	(60,392)	(109,256)
New mortgage notes payable financing proceeds	146,000	54,450
Redemption of preferred stock	(136,144)	0
Debt issuance and defeasance costs	(1,864)	(617)
Other	(723)	(824)
Net cash used in financing activities	(146,281)	(119,955)
Net increase (decrease) in cash	21,055	(11,446)
Cash, beginning of period	56,340	80,258
Cash, end of period	77,395	68,812
Supplemental Information:
Cash paid during the period for interest	76,713	79,762
Capital improvements – used homes acquired by repossessions	227	485
Net repayments of notes receivable – used homes acquired by repossessions	(227)	(485)
Building and other depreciable property – reclassification of rental homes	25,852	26,070
Escrow deposits and other assets – reclassification of rental homes	(25,852)	(26,070)
Real estate acquisitions:
Investment in real estate, fair value	(7,985)	(100,148)
Investment in real estate, cost	(110)	(2,000)
Escrow deposits and other assets	0	(20)
Debt assumed	5,900	22,010
Accrued expenses and accounts payable	32	1,955
Real estate acquisitions, net	$ (2,163)	$ (78,203)