Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash Flows From Operating Activities:
Consolidated net income	$ 43,890	$ 40,468
Adjustments to reconcile consolidated net income to net cash provided by operating activities:
Gain on sale of property, net of tax	0	(958)
Depreciation expense	27,830	26,951
Amortization of in-place leases	1,315	159
Amortization of loan costs	1,232	1,398
Debt premium amortization	(1,323)	(1,504)
Equity in income of unconsolidated joint ventures	(1,887)	(576)
Distributions from unconsolidated joint ventures	1,312	478
Amortization of stock-related compensation	733	1,134
Revenue recognized from right-to-use contract upfront payments	(1,776)	(1,791)
Commission expense recognized related to right-to-use contracts	684	630
Accrued long term incentive plan compensation	475	481
Provision for uncollectible rents receivable	(606)	(42)
Changes in assets and liabilities:
Notes receivable activity, net	(937)	471
Deferred commission expense	(1,239)	(1,093)
Escrow deposits and other assets	8,307	1,614
Accrued payroll and other operating expenses, net	6,372	2,477
Deferred revenue - upfront payments from right-to-use contracts	2,923	2,831
Deferred revenue - right-to-use annual payments	4,205	4,922
Rents received in advance and security deposits	1,719	926
Net cash provided by operating activities	93,229	78,976
Cash Flows From Investing Activities:
Real estate acquisition	(44,226)	0
Payments for (Proceeds from) Delayed Tax Exempt Exchange	10,576	0
Cash Received from Joint Venture	116	0
Payments to Acquire Interest in Joint Venture	(2,500)	0
Proceeds from Collection of Notes Receivable	7,115	3,384
Issuance of Notes Receivable	(2,245)	(1,545)
Capital improvements	(10,000)	(17,037)
Net cash used in investing activities	(41,164)	(15,198)
Cash Flows From Financing Activities:
Net proceeds from stock options and employee stock purchase plan	311	417
Payments of Ordinary Dividends, Common Stock	(20,836)	0
Payments of Ordinary Dividends, Noncontrolling Interest	(1,917)	0
Payments of Ordinary Dividends, Preferred Stock and Preference Stock	(2,310)	(2,311)
Principal payments and mortgage debt payoff	(29,184)	(16,926)
Debt issuance costs	(77)	0
Equity issuance costs	(52)	(277)
Net cash (used in) provided by financing activities	(54,065)	(19,097)
Cash, Period Increase (Decrease)	(2,000)	44,681
Cash	56,427	81,821
Supplemental Information:
Cash paid during the period for interest	27,929	30,485
Non-cash activities (increase/(decrease)):
Capital improvements - used homes acquired by repossessions	446	599
Net repayments of notes receivable - used homes acquired by repossessions	446	599
Building and other depreciable property - reclassification of rental homes	4,203	2,474
Escrow deposits and other assets - reclassification of rental homes	(4,203)	(2,474)
Noncash or Part Noncash Acquisition, Fixed Assets Acquired	61,781	0
Noncash or Part Noncash Acquisition, Deferred Finance Costs	(180)	0
Noncash or Part Noncash Acquisition, Other Liabilities Assumed	1,817	0
Noncash or Part Noncash Acquisition, Payables Assumed	941	0
Noncash or Part Noncash Acquisition, Other Assets Acquired	412	0
Noncash or Part Noncash Acquisition, Debt Assumed	$ 14,564	$ 0