Reportable Segments - Income from Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Revenues:
Rental income	$ 1,282,532	$ 1,233,252	$ 1,178,959
Other income	62,794	75,354	67,407
Total revenues	1,531,382	1,526,166	1,489,423
Expenses:
Real estate taxes	85,148	81,966	77,993
Membership sales and marketing	16,069	22,063	20,974
Annual membership subscriptions
Revenues:
Contract revenue	69,266	65,883	65,379
Membership upgrade revenue
Revenues:
Contract revenue	12,412	16,433	14,719
Property management
Expenses:
Cost of ancillary services	80,784	78,114	76,170
Operating Segments
Revenues:
Other income	62,794	75,354
Total revenues	1,513,038	1,508,654	1,471,683
Expenses:
Total expenses	762,260	774,996	780,170
NOI	750,778	733,658	691,513
Operating Segments | Core Property Operations
Revenues:
Rental income	1,268,243	1,219,534	1,164,333
Other income			67,407
Total revenues	1,456,083	1,422,422	1,361,792
Expenses:
Utility expense	164,397	159,058	155,160
Payroll	120,715	120,204	120,310
Repairs & maintenance	99,178	93,997	94,424
Insurance and other	103,914	101,510	94,618
Real estate taxes	85,148	81,966	77,993
Membership sales and marketing	16,069	22,063	20,974
Ancillary operating expenses	20,648	21,401	21,551
Total expenses	711,640	701,838	685,392
NOI	744,443	720,584	676,400
Operating Segments | Core Property Operations | Annual membership subscriptions
Revenues:
Contract revenue	69,266	65,883	65,379
Operating Segments | Core Property Operations | Membership upgrade revenue
Revenues:
Contract revenue	12,412	16,433	14,719
Operating Segments | Core Property Operations | Gross revenues from ancillary services
Revenues:
Contract revenue	43,368	45,218	49,954
Expenses:
Cost of ancillary services	20,787	23,525	24,192
Operating Segments | Core Property Operations | Property management
Expenses:
Cost of ancillary services	80,784	78,114	76,170
Operating Segments | Home Sales and Rentals Operations
Revenues:
Rental income	14,289	13,718	14,626
Total revenues	56,955	86,232	109,891
Expenses:
Rental home operating and maintenance	5,208	5,669	5,400
Home selling expenses	5,864	6,243	5,902
Total expenses	50,620	73,158	94,778
NOI	6,335	13,074	15,113
Operating Segments | Home Sales and Rentals Operations | Home sales and brokered resales
Revenues:
Contract revenue	42,666	72,514	95,265
Expenses:
Cost of ancillary services	$ 39,548	$ 61,246	$ 83,476