Reportable Segments - Income from Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenues:
Rental income	$ 314,468	$ 303,334	$ 931,854	$ 888,440
Other income	16,440	15,658	48,186	51,283
Total revenues	387,256	388,813	1,153,843	1,128,779
Expenses:
Real estate taxes	20,731	19,017	61,617	56,165
Membership sales and marketing	6,448	5,696	17,871	16,055
Property management
Expenses:
Cost of ancillary services	20,165	19,887	59,311	58,710
Operating Segments
Revenues:
Total revenues	382,634	384,204	1,139,965	1,115,259
Expenses:
Total expenses	205,741	212,081	601,320	599,611
Income from segment operations	176,893	172,123	538,645	515,648
Operating Segments | Property Operations
Revenues:
Rental income	311,072	299,781	921,555	877,310
Other income	16,440	15,658	48,186	51,283
Total revenues	362,304	351,243	1,069,027	1,029,609
Expenses:
Property operating and maintenance	127,616	125,081	365,563	357,660
Real estate taxes	20,731	19,017	61,617	56,165
Membership sales and marketing	6,448	5,696	17,871	16,055
Ancillary operating expenses	5,737	5,672	16,290	16,900
Total expenses	188,217	183,579	540,673	526,052
Income from segment operations	174,087	167,664	528,354	503,557
Operating Segments | Property Operations | Annual membership subscriptions
Revenues:
Contract revenue	16,714	16,673	49,298	48,832
Operating Segments | Property Operations | Membership upgrade sales
Revenues:
Contract revenue	4,173	3,744	12,170	10,863
Operating Segments | Property Operations | Gross revenues from ancillary services
Revenues:
Contract revenue	13,905	15,387	37,818	41,321
Expenses:
Cost of ancillary services	7,520	8,226	20,021	20,562
Operating Segments | Property Operations | Property management
Expenses:
Cost of ancillary services	20,165	19,887	59,311	58,710
Operating Segments | Home Sales and Rentals Operations
Revenues:
Rental income	3,396	3,553	10,299	11,130
Total revenues	20,330	32,961	70,938	85,650
Expenses:
Property operating and maintenance	1,394	1,765	4,335	3,883
Home selling expenses	1,599	1,492	4,665	4,358
Total expenses	17,524	28,502	60,647	73,559
Income from segment operations	2,806	4,459	10,291	12,091
Operating Segments | Home Sales and Rentals Operations | Home sales and brokered resales
Revenues:
Contract revenue	16,934	29,408	60,639	74,520
Expenses:
Cost of ancillary services	$ 14,531	$ 25,245	$ 51,647	$ 65,318