Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
OPERATING ACTIVITIES:
Net income	$ 18,471	$ 11,545
Adjustments to reconcile net income to net cash provided by operating activities:
Gain on dispositions of assets	2,514	1,713
Gain on dispositions of properties, net	(885)	0
Share-based compensation	2,223	1,170
Depreciation and amortization	59,302	49,425
Amortization of deferred financing costs	567	1,916
Distributions from affiliate	(800)	(850)
Change in notes receivable from financed sales of inventory homes, net of repayments	7,401	2,738
Change in inventory, other assets and other receivables, net	(2,269)	1,469
Change in accounts payable and other liabilities	10,419	216
NET CASH PROVIDED BY OPERATING ACTIVITIES	77,113	60,440
INVESTING ACTIVITIES:
Investment in properties	(84,036)	(89,922)
Acquisition of properties	(137,376)	(82,718)
Investment in note receivable of acquired properties	0	49,441
Proceeds related to affiliate dividend distribution	800	850
Proceeds related to the disposition of land	221	0
Proceeds related to disposition of assets and depreciated homes, net	4,697	697
Proceeds related to disposition of properties	15,298	0
Issuance of notes and other receivables	1,487	765
Increase in notes receivable, net	(5,114)	(621)
NET CASH USED IN INVESTING ACTIVITIES	(196,769)	(220,678)
FINANCING ACTIVITIES:
Proceeds from Issuance of Common Stock	213,802	261,967
Net proceeds from stock option exercise	127	149
Distributions to stockholders, OP unit holders, and preferred OP unit holders	(56,156)	(47,843)
Borrowings on lines of credit	213,922	189,392
Payments on lines of credit	(356,844)	(200,887)
Proceeds from issuance of other debt	114,666	15,522
Payments on other debt	(8,178)	(78,363)
Proceeds received from return of prepaid deferred financing costs	2,384	0
Payments for deferred financing costs	(1,200)	(2,719)
NET CASH PROVIDED BY FOR FINANCING ACTIVITIES	122,523	137,218
Net increase (decrease) in cash and cash equivalents	2,867	(23,020)
Cash and cash equivalents, beginning of period	4,753	29,508
Cash and cash equivalents, end of period	7,620	6,488
SUPPLEMENTAL INFORMATION:
Cash paid for interest	28,148	29,780
Cash paid for interest on mandatorily redeemable debt	1,609	1,621
Noncash investing and financing activities:
Unrealized gain on interest rate swaps	97	177
Reduction in secured borrowing balance	10,515	7,299
Change in dividends declared and outstanding	4,034	4,498
Conversion of Stock, Shares Converted	1,707	0
Noncash investing and financing activities at the date of acquisition:
Stock Issued During Period, Value, New Issues, Series A-3 Preferred OP Units	0	3,463
Acquisitions - release of note receivable and accrued interest	$ 0	$ 49,441