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Real Estate Activity - Narrative (Details) $ in Thousands					3 Months Ended		9 Months Ended		12 Months Ended
	Oct. 31, 2024 USD ($)	Dec. 15, 2023 USD ($) apartment	Nov. 06, 2023 USD ($) apartment	Mar. 15, 2023 USD ($) apartment	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Dec. 31, 2011 USD ($)	Dec. 31, 1998 apartment
Real Estate [Line Items]
Depreciation					$ 2,966	$ 3,313	$ 8,970	$ 9,615
Clapper
Real Estate [Line Items]
Number of properties acquired | apartment										8
Award settled to other party									$ 148,000
Clapper | Subsequent Event
Real Estate [Line Items]
Payments for legal settlements	$ 23,400
Alera
Real Estate [Line Items]
Number of units in real estate property | apartment				240
Real estate investment property, at cost				$ 55,330
Proceeds from construction loans payable				33,000
Fees related to construction				$ 1,637
Development costs incurred							31,878
Development fees							1,005
Merano
Real Estate [Line Items]
Number of units in real estate property | apartment			216
Real estate investment property, at cost			$ 51,910
Proceeds from construction loans payable			25,407
Fees related to construction			$ 1,551
Development costs incurred							15,588
Development fees							809
Bandera Ridge
Real Estate [Line Items]
Number of units in real estate property | apartment		216
Real estate investment property, at cost		$ 49,603
Proceeds from construction loans payable		23,500
Fees related to construction		$ 1,607
Development costs incurred							11,087
Development fees							$ 336

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References

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

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-SubTopic 10
-Section 50
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-Section 45
-Paragraph 25
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-Topic 230
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-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(1)(d))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 976
-SubTopic 310
-Name Accounting Standards Codification
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