Real Estate Disposition Activities (Details) ft² in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024 USD ($) home ft² community	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($) ft² community	Jun. 30, 2023 USD ($)
Discontinued Operations and Disposal Groups [Abstract]
Number of communities held for sale | community	2		2
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale of communities	$ 68,556	$ 187,322	$ 68,486	$ 187,309
AVA Belltown
Discontinued Operations and Disposal Groups [Abstract]
Number of apartment homes sold | home	100
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of apartment homes sold | home	100
Proceeds from sale of real estate	$ 34,000
Gain on sale of communities	$ 22,673
Square feet of commercial space | ft²	1		1
AVA North Hollywood
Discontinued Operations and Disposal Groups [Abstract]
Number of apartment homes sold | home	156
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of apartment homes sold | home	156
Proceeds from sale of real estate	$ 62,100
Gain on sale of communities	$ 874
Square feet of commercial space | ft²	11		11
Avalon Hackensack at Riverside
Discontinued Operations and Disposal Groups [Abstract]
Number of apartment homes sold | home	226
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of apartment homes sold | home	226
Proceeds from sale of real estate	$ 85,600
Gain on sale of communities	$ 44,834
Square feet of commercial space | ft²	0		0