Reportable Segments - Income from Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenues:
Other income	$ 15,658	$ 15,580	$ 51,283	$ 43,316
Total revenues	388,813	380,969	1,128,779	1,106,476
Expenses:
Real estate taxes	19,017	17,734	56,165	56,373
Membership sales and marketing	5,696	5,937	16,055	15,720
Total expenses	307,784	308,178	894,107	883,469
Annual membership subscriptions
Revenues:
Revenue from contract with customer	16,673	16,254	48,832	47,003
Membership upgrade sales
Revenues:
Revenue from contract with customer	3,744	3,308	10,863	9,543
Property management
Expenses:
Property management and cost of ancillary services	19,887	19,003	58,710	55,973
Operating Segments
Expenses:
Income from segment operations	172,123	163,546	515,648	491,624
Operating Segments | Property Operations
Revenues:
Rental income	299,781	285,272	877,310	837,892
Other income	15,658	15,580	51,283	43,316
Total revenues	351,243	338,208	1,029,609	984,535
Expenses:
Operating and maintenance	125,081	121,692	357,660	337,363
Real estate taxes	19,017	17,734	56,165	56,373
Membership sales and marketing	5,696	5,937	16,055	15,720
Ancillary operating expenses	5,672	5,644	16,900	16,671
Total expenses	183,579	179,775	526,052	506,739
Income from segment operations	167,664	158,433	503,557	477,796
Operating Segments | Property Operations | Annual membership subscriptions
Revenues:
Revenue from contract with customer	16,673	16,254	48,832	47,003
Operating Segments | Property Operations | Membership upgrade sales
Revenues:
Revenue from contract with customer	3,744	3,308	10,863	9,543
Operating Segments | Property Operations | Ancillary services
Revenues:
Revenue from contract with customer	15,387	17,794	41,321	46,781
Expenses:
Property management and cost of ancillary services	8,226	9,765	20,562	24,639
Operating Segments | Property Operations | Property management
Expenses:
Property management and cost of ancillary services	19,887	19,003	58,710	55,973
Operating Segments | Home Sales and Rentals Operations
Revenues:
Rental income	3,553	3,744	11,130	11,519
Total revenues	32,961	38,497	85,650	109,675
Expenses:
Operating and maintenance	1,765	1,489	3,883	4,117
Home selling expenses	1,492	1,436	4,358	4,475
Total expenses	28,502	33,384	73,559	95,847
Income from segment operations	4,459	5,113	12,091	13,828
Operating Segments | Home Sales and Rentals Operations | Home sales And brokered resales
Revenues:
Revenue from contract with customer	29,408	34,753	74,520	98,156
Expenses:
Property management and cost of ancillary services	$ 25,245	$ 30,459	$ 65,318	$ 87,255