Consolidated Statements of Income and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenues:
Rental income	$ 285,065	$ 249,022
Other income	13,542	10,521
Interest income	1,759	1,767
Income from other investments, net	1,904	936
Total revenues	360,189	303,647
Expenses:
Property operating and maintenance	103,992	88,873
Real estate taxes	19,457	17,850
Sales and marketing, gross	4,914	6,176
Membership sales commissions, deferred, net	(583)	(1,499)
Depreciation and amortization	49,394	45,398
Home selling expenses and ancillary operating expenses	6,481	4,941
General and administrative	12,297	10,512
Other expenses	823	698
Early debt retirement	516	2,029
Interest and related amortization	27,464	26,275
Total expenses	273,310	235,469
Loss on sale of real estate, net	0	(59)
Income before equity in income of unconsolidated joint ventures	86,879	68,119
Equity in income of unconsolidated joint ventures	171	868
Consolidated net income	87,050	68,987
Income allocated to non-controlling interests – Common OP Units	(4,144)	(3,747)
Net income available for Common Stockholders	82,906	65,240
Other comprehensive income (loss):
Adjustment for fair market value of swap	9,924	129
Consolidated comprehensive income	96,974	69,116
Comprehensive income allocated to non-controlling interests – Common OP Units	(4,616)	(3,754)
Comprehensive income attributable to Common Stockholders	$ 92,358	$ 65,362
Earnings per Common Share – Basic (in usd per share)	$ 0.45	$ 0.36
Earnings per Common Share – Fully Diluted (in usd per share)	$ 0.45	$ 0.36
Weighted average common shares outstanding – basic (in shares)	185,690	181,945
Weighted average common shares outstanding – fully diluted (in shares)	195,246	192,685
Annual membership subscriptions
Revenues:
Contract revenue	$ 15,157	$ 13,654
Membership upgrade sales current period, gross
Revenues:
Contract revenue	7,151	10,014
Membership upgrade sales upfront payments, deferred, net
Revenues:
Contract revenue	(4,084)	(7,427)
Home sales, brokered resales and ancillary services
Revenues:
Contract revenue	39,695	25,160
Expenses:
Cost of services	30,684	18,836
Property management
Expenses:
Cost of services	$ 17,871	$ 15,380