Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
OPERATING ACTIVITIES:
NET CASH PROVIDED BY OPERATING ACTIVITIES	$ 223,348	$ 190,279
INVESTING ACTIVITIES:
Investment in properties	(203,233)	(159,923)
Acquisitions of properties, net of cash acquired	(70,328)	(1,473,368)
Proceeds from affiliate transactions	0	500
Proceeds from dispositions of assets and depreciated homes, net	6,592	3,755
Proceeds from disposition of properties	0	88,696
Issuance of notes and other receivables	(2,480)	(1,411)
Repayments of notes and other receivables	1,764	852
NET CASH USED FOR INVESTING ACTIVITIES	(267,685)	(1,540,899)
FINANCING ACTIVITIES:
Issuance and associated costs of common stock, OP units, and preferred OP units, net	457,638	748,959
Net proceeds from stock option exercise	0	149
Borrowings on lines of credit	575,351	474,738
Payments on lines of credit	(675,695)	(441,738)
Proceeds from issuance of other debt	85,081	900,781
Payments on other debt	(72,024)	(141,490)
Prepayment penalty on debt	(759)	0
Redemption of Series A-4 preferred stock and OP units	(24,698)		$ 0
Distributions to stockholders, OP unit holders, and preferred OP unit holders	(165,937)	(141,018)
Payments for deferred financing costs	(5,589)	(24,911)
NET CASH PROVIDED BY FINANCING ACTIVITIES	173,368	1,375,470
Effect of exchange rate changes on cash and cash equivalents	253	(107)
Net change in cash and cash equivalents	129,284	24,743
Cash and cash equivalents, beginning of period	8,164	45,086	45,086
Cash and cash equivalents, end of period	137,448	69,829	8,164
SUPPLEMENTAL INFORMATION:
Cash paid for interest (net of capitalized interest of $1,981 and $378 respectively)	92,362	91,346
Cash paid for interest on mandatorily redeemable debt	2,361	2,363
Cash (refunds) paid for income taxes	(53)	612
Noncash investing and financing activities:
Reduction in secured borrowing balance	17,674	14,718
Change in distributions declared and outstanding	4,527	9,527
Conversion of common and preferred OP units	3,240	2,033
Conversion of Series A-4 Preferred Stock	4,720	11,503
Noncash investing and financing activities at the date of acquisition:
Acquisitions - Common stock and OP units issued	28,410	225,000
Acquisitions - debt assumed	4,592		$ 0
Acquisitions - receivable due from seller	5,000	0
Acquisitions - contingent consideration liability	$ 0	$ 9,830