Reportable Segments - Income from Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Revenues:
Rental income	$ 300,788	$ 288,655	$ 617,386	$ 585,106
Other income	16,197	17,911	31,746	35,625
Total revenues	380,019	370,014	766,587	739,966
Expenses:
Real estate taxes	20,099	18,832	40,886	37,148
Membership sales and marketing	6,126	5,521	11,423	10,359
Property management
Expenses:
Cost of ancillary services	19,436	19,359	39,146	38,823
Operating Segments
Revenues:
Total revenues	374,969	365,282	757,331	731,055
Expenses:
Total expenses	206,888	202,364	395,579	387,530
Income from segment operations	168,081	162,918	361,752	343,525
Operating Segments | Property Operations
Revenues:
Rental income	297,401	284,950	610,483	577,529
Other income	16,197	17,911	31,746	35,625
Total revenues	346,987	336,629	706,723	678,366
Expenses:
Property operating and maintenance	124,542	121,055	237,947	232,579
Real estate taxes	20,099	18,832	40,886	37,148
Membership sales and marketing	6,126	5,521	11,423	10,359
Ancillary operating expenses	5,840	5,644	10,553	11,228
Total expenses	183,051	177,450	352,456	342,473
Income from segment operations	163,936	159,179	354,267	335,893
Operating Segments | Property Operations | Annual membership subscriptions
Revenues:
Contract revenue	16,369	16,189	32,584	32,159
Operating Segments | Property Operations | Membership upgrade sales
Revenues:
Contract revenue	4,050	3,614	7,997	7,119
Operating Segments | Property Operations | Gross revenues from ancillary services
Revenues:
Contract revenue	12,970	13,965	23,913	25,934
Expenses:
Cost of ancillary services	7,008	7,039	12,501	12,336
Operating Segments | Property Operations | Property management
Expenses:
Cost of ancillary services	19,436	19,359	39,146	38,823
Operating Segments | Home Sales and Rentals Operations
Revenues:
Rental income	3,387	3,705	6,903	7,577
Total revenues	27,982	28,653	50,608	52,689
Expenses:
Property operating and maintenance	1,563	1,159	2,941	2,118
Home selling expenses	1,632	1,526	3,066	2,866
Total expenses	23,837	24,914	43,123	45,057
Income from segment operations	4,145	3,739	7,485	7,632
Operating Segments | Home Sales and Rentals Operations | Home sales and brokered resales
Revenues:
Contract revenue	24,595	24,948	43,705	45,112
Expenses:
Cost of ancillary services	$ 20,642	$ 22,229	$ 37,116	$ 40,073