Reportable Segments - Income from Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenues:
Other income	$ 13,542	$ 10,521
Total revenues	360,189	303,647
Expenses:
Real estate taxes	19,457	17,850
Sales and marketing, gross	4,914	6,176
Membership sales commissions, deferred, net	(583)	(1,499)
Total expenses	273,310	235,469
Income before equity in income of unconsolidated joint ventures	86,879	68,119
Annual membership subscriptions
Revenues:
Revenue from contract with customer	15,157	13,654
Membership upgrade sales current period, gross
Revenues:
Revenue from contract with customer	7,151	10,014
Membership upgrade sales upfront payments, deferred, net
Revenues:
Revenue from contract with customer	(4,084)	(7,427)
Property management
Expenses:
Property management and cost of home sales	17,871	15,380
Property Operations
Revenues:
Rental income	281,104	244,729
Other income	13,542	10,521
Total revenues	325,426	280,998
Expenses:
Operating and maintenance	102,590	87,630
Real estate taxes	19,457	17,850
Sales and marketing, gross	4,914	6,176
Membership sales commissions, deferred, net	(583)	(1,499)
Ancillary operating expenses	5,018	3,635
Total expenses	154,988	132,980
Income before equity in income of unconsolidated joint ventures	170,438	148,018
Property Operations | Annual membership subscriptions
Revenues:
Revenue from contract with customer	15,157	13,654
Property Operations | Membership upgrade sales current period, gross
Revenues:
Revenue from contract with customer	7,151	10,014
Property Operations | Membership upgrade sales upfront payments, deferred, net
Revenues:
Revenue from contract with customer	(4,084)	(7,427)
Property Operations | Ancillary services
Revenues:
Revenue from contract with customer	12,556	9,507
Expenses:
Property management and cost of home sales	5,721	3,808
Property Operations | Property management
Expenses:
Property management and cost of home sales	17,871	15,380
Home Sales and Rentals Operations
Revenues:
Rental income	3,961	4,293
Total revenues	31,100	19,946
Expenses:
Operating and maintenance	1,402	1,243
Home selling expenses	1,463	1,306
Total expenses	27,828	17,577
Income before equity in income of unconsolidated joint ventures	3,272	2,369
Home Sales and Rentals Operations | Home sales And brokered resales
Revenues:
Revenue from contract with customer	27,139	15,653
Expenses:
Property management and cost of home sales	$ 24,963	$ 15,028