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Investments in Real Estate - Schedule of Disposition of Properties (Detail) $ in Thousands															3 Months Ended		12 Months Ended
	Jul. 17, 2024 USD ($) housingUnit	Apr. 30, 2024 USD ($) housingUnit	Mar. 28, 2024 USD ($) housingUnit	Mar. 25, 2024 USD ($) housingUnit	Mar. 12, 2024 USD ($) housingUnit	Feb. 13, 2024 USD ($) housingUnit	Dec. 28, 2023 USD ($)	Dec. 21, 2023 USD ($)	Dec. 20, 2023 USD ($)	Feb. 28, 2023 USD ($)	Dec. 06, 2022 USD ($)	Oct. 26, 2022 USD ($)	Feb. 02, 2022 USD ($)	Jan. 18, 2022 USD ($)	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2024 USD ($) housingUnit	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Real Estate Properties [Line Items]
Units (unaudited) | housingUnit																	2,100
Sale Price																	$ 395,425	$ 237,950	$ 257,050
Gain on sale (loss on impairment)																	11,066	(33,591)	111,756
Impairment of real estate assets held for sale															$ 15,107	$ 32,956	$ 20,995	32,956	0
Defeasance and debt prepayment gains																$ 1,953
Gain (loss) related to property includes defeasance costs																		$ 1,900	$ 409
Villas of Kingwood
Real Estate Properties [Line Items]
Units (unaudited) | housingUnit						330
Sale Price						$ 53,700
Gain on sale (loss on impairment)						$ 62
Belmar Villas
Real Estate Properties [Line Items]
Units (unaudited) | housingUnit						318
Sale Price						$ 74,300
Gain on sale (loss on impairment)						$ 46
Hearthstone at City Center
Real Estate Properties [Line Items]
Units (unaudited) | housingUnit					360
Sale Price					$ 74,000
Gain on sale (loss on impairment)					$ 88
Villas at Huffmeister
Real Estate Properties [Line Items]
Units (unaudited) | housingUnit				294
Sale Price				$ 44,250
Gain on sale (loss on impairment)				$ (415)
Westmont Commons
Real Estate Properties [Line Items]
Units (unaudited) | housingUnit			252
Sale Price			$ 49,875
Gain on sale (loss on impairment)			$ 25,856
Reserve at Creekside
Real Estate Properties [Line Items]
Units (unaudited) | housingUnit		192
Sale Price		$ 28,500
Gain on sale (loss on impairment)		$ (152)
Tapestry Park
Real Estate Properties [Line Items]
Units (unaudited) | housingUnit	354
Sale Price	$ 70,800
Gain on sale (loss on impairment)	$ (14,419)
Eagle Lake Landing
Real Estate Properties [Line Items]
Sale Price										$ 37,300
Gain on sale (loss on impairment)										$ 1,179
The Meadows at River Run
Real Estate Properties [Line Items]
Sale Price									$ 72,700
Gain on sale (loss on impairment)									$ (14,612)
Fielders Creek
Real Estate Properties [Line Items]
Sale Price								$ 44,100
Gain on sale (loss on impairment)								$ (11,019)
Cottage Trails at Culpepper Landing
Real Estate Properties [Line Items]
Sale Price							$ 40,750
Gain on sale (loss on impairment)							(10,168)
Oak Crossing
Real Estate Properties [Line Items]
Sale Price							43,100
Gain on sale (loss on impairment)							$ 1,029
Riverchase
Real Estate Properties [Line Items]
Sale Price														$ 31,000
Gain on sale (loss on impairment)														$ 12,901
Heritage Park
Real Estate Properties [Line Items]
Sale Price													$ 48,500
Gain on sale (loss on impairment)													31,366
Raindance
Real Estate Properties [Line Items]
Sale Price													47,500
Gain on sale (loss on impairment)													33,748
Haverford
Real Estate Properties [Line Items]
Sale Price													31,050
Gain on sale (loss on impairment)													$ 16,697
Meadows Apartments
Real Estate Properties [Line Items]
Sale Price												$ 57,000
Gain on sale (loss on impairment)												$ 20,573
Sycamore Terrace
Real Estate Properties [Line Items]
Sale Price											$ 42,000
Gain on sale (loss on impairment)											$ (3,529)

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482099/360-10-50-2

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