Consolidated Statements of Income and Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Revenues:
Community base rental income	$ 106,967	$ 103,157	$ 319,514	$ 305,401
Rental home income	3,684	3,584	11,187	10,576
Resort base rental income	44,351	39,932	126,188	113,868
Right-to-use annual payments	11,404	12,323	33,859	35,889
Right-to-use contracts current period, gross	3,944	3,707	9,956	9,899
Right-to-use contracts, deferred, net of prior period amortization	(1,989)	(1,856)	(4,303)	(4,446)
Utility And Other Income	18,581	16,224	53,070	48,694
Gross revenues from home sales	8,717	5,415	20,455	12,328
Brokered resale revenues and ancillary services revenues, net	1,124	1,395	3,491	4,122
Interest income	1,902	2,200	6,477	6,173
Income from other investments, net	1,869	1,885	6,098	5,989
Total revenues	200,554	187,966	585,992	548,493
Expenses:
Property operating and maintenance	66,105	61,782	186,018	175,183
Rental home operating and maintenance	1,829	1,950	5,376	5,307
Real estate taxes	12,263	11,584	36,905	35,873
Sales and marketing, gross	3,018	3,842	8,118	9,536
Sales and marketing, deferred commissions, net	(757)	(706)	(2,022)	(1,824)
Property management	11,086	10,077	32,169	30,380
Depreciation on real estate and rental homes	27,831	26,460	83,234	81,793
Amortization of Intangible Assets for Continuing Operations	1,075	485	3,791	803
Cost of home sales	8,156	5,137	19,679	11,837
Home selling expenses	513	563	1,710	1,544
General and administrative	7,623	7,606	20,178	21,261
Extinguishment of Debt, Amount	5,087	36,530	5,087	37,911
Rent control initiatives and other	751	521	2,063	2,377
Interest and related amortization	27,864	29,206	84,177	89,706
Total expenses	172,444	195,037	486,483	501,687
Income before equity in income of unconsolidated joint ventures	28,110	(7,071)	99,509	46,806
Equity income from unconsolidated joint ventures	1,237	439	3,768	1,624
Gain (Loss) on Condemnation	929	0	929	0
Consolidated income from continuing operations	30,276	(6,632)	104,206	48,430
Net income from discontinued operations	0	982	0	7,215
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax	0	40,586	0	41,544
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	0	41,568	0	48,759
Noncontrolling Interest in Net Income (Loss) Operating Partnerships, Redeemable	(2,219)	(2,753)	(7,929)	(7,483)
Net income (loss) available for Common Shares – basic	25,746	29,872	89,328	82,755
Consolidated net income	30,276	34,936	104,206	97,189
Other comprehensive loss:
Adjustment for fair market value of swap	141	361	1,068	1,233
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	30,417	35,297	105,274	98,422
Comprehensive income (loss) attributable to Common Shareholders	25,876	30,203	90,309	83,886
Earnings per Common Share - Basic:
Income from continuing operations	$ 0.31	$ (0.10)	$ 1.07	$ 0.46
Income from discontinued operations	$ 0.00	$ 0.46	$ 0.00	$ 0.54
Net income available for Common Shares	$ 0.31	$ 0.36	$ 1.07	$ 1.00
Earnings per Common Share - Fully Diluted:
Income from continuing operations	$ 0.31	$ (0.10)	$ 1.06	$ 0.46
Income from discontinued operations	$ 0.00	$ 0.46	$ 0.00	$ 0.53
Net income available for Common Shares	$ 0.31	$ 0.36	$ 1.06	$ 0.99
Distributions declared per Common Share outstanding	$ 0.325	$ 0.25	$ 0.975	$ 0.75
Weighted average Common Shares outstanding – basic	83,531	83,021	83,295	83,023
Weighted average Common Shares outstanding – fully diluted	91,528	91,259	91,471	91,149
Cumulative Series C Six Point Seven Five Percent Redeemable Perpetual Preferred Stock [Member]
Other comprehensive loss:
Redeemable Preferred Stock Dividends	(2,311)	(2,311)	(6,949)	(6,951)
Non-controlling interests - Common OP Units
Other comprehensive loss:
Comprehensive income (loss) allocated to non-controlling interests	$ (2,230)	$ (2,783)	$ (8,016)	$ (7,585)