Notes Payable - Schedule of notes payable (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Interest rate, floor	4.31%	4.53%
Total notes payable, net	$ 299,185	$ 323,168
Notes Payable to Banks [Member]
Debt Instrument [Line Items]
Weighted Average Interest Rate	5.30%
Amount Due at Maturity	$ 302,668
Total notes payable	304,063	327,011
Less: Deferred financing costs	$ (4,878)	(3,843)
Notes Payable to Banks [Member] | Arbors Harbor Town [Member]
Debt Instrument [Line Items]
Interest rate	4.53%
Weighted Average Interest Rate	4.53%
Debt Instrument, Maturity Date	Jan. 01, 2026
Amount Due at Maturity	$ 29,000
Total notes payable	$ 29,000	29,000
Notes Payable to Banks [Member] | Arbors Harbor Town Supplemental [Member]
Debt Instrument [Line Items]
Interest rate	3.52%
Weighted Average Interest Rate	3.52%
Debt Instrument, Maturity Date	Jan. 01, 2026
Amount Due at Maturity	$ 5,379
Total notes payable	5,410	5,502
Notes Payable to Banks [Member] | The Aster Apartments (Repaid in full) [Member]
Debt Instrument [Line Items]
Amount Due at Maturity	0
Total notes payable	$ 0	15,940
Notes Payable to Banks [Member] | The Aster Apartments [Member]
Debt Instrument [Line Items]
Interest rate	5.20%
Weighted Average Interest Rate	5.20%
Debt Instrument, Maturity Date	Jun. 01, 2030
Amount Due at Maturity	$ 21,765
Total notes payable	$ 21,765
Notes Payable to Banks [Member] | Axis at Westmont [Member]
Debt Instrument [Line Items]
Interest rate	4.39%
Weighted Average Interest Rate	4.39%
Debt Instrument, Maturity Date	Feb. 01, 2026
Amount Due at Maturity	$ 34,343
Total notes payable	$ 34,640	35,165
Notes Payable to Banks [Member] | Valley Ranch Apartments [Member]
Debt Instrument [Line Items]
Interest rate	4.16%
Weighted Average Interest Rate	4.16%
Debt Instrument, Maturity Date	Mar. 01, 2026
Amount Due at Maturity	$ 43,414
Total notes payable	$ 43,414	43,414
Notes Payable to Banks [Member] | Autumn Breeze Apartments (Repaid in full) [Member]
Debt Instrument [Line Items]
Debt Instrument, Maturity Date
Amount Due at Maturity	$ 0
Total notes payable	0	28,962
Notes Payable to Banks [Member] | BayVue Apartments (Repaid in full) [Member]
Debt Instrument [Line Items]
Amount Due at Maturity	0
Total notes payable	$ 0	47,382
Notes Payable to Banks [Member] | BayVue Apartments [Member]
Debt Instrument [Line Items]
Interest rate	4.98%
Weighted Average Interest Rate	4.98%
Debt Instrument, Maturity Date	Jul. 01, 2030
Amount Due at Maturity	$ 48,188
Total notes payable	$ 48,188	0
Notes Payable to Banks [Member] | Citadel Apartments Senior [Member]
Debt Instrument [Line Items]
Interest rate	1.61%
Interest rate, floor	1.71%
Weighted Average Interest Rate	5.93%
Debt Instrument, Maturity Date	Oct. 11, 2026
Amount Due at Maturity	$ 35,200
Total notes payable	$ 35,200	35,200
Notes Payable to Banks [Member] | Citadel Apartments Junior [Member]
Debt Instrument [Line Items]
Interest rate	8.86%
Interest rate, floor	8.96%
Weighted Average Interest Rate	13.18%
Debt Instrument, Maturity Date	Oct. 11, 2026
Amount Due at Maturity	$ 8,800
Total notes payable	$ 8,800	8,800
Notes Payable to Banks [Member] | Camellia Apartments [Member]
Debt Instrument [Line Items]
Interest rate	6.05%
Weighted Average Interest Rate	6.05%
Debt Instrument, Maturity Date	Jan. 01, 2030
Amount Due at Maturity	$ 33,911
Total notes payable	$ 33,911	33,911
Notes Payable to Banks [Member] | Discovery at Space Coast Apartments [Member]
Debt Instrument [Line Items]
Interest rate	5.60%
Weighted Average Interest Rate	5.60%
Debt Instrument, Maturity Date	Jan. 01, 2030
Amount Due at Maturity	$ 42,668
Total notes payable	$ 43,735	$ 43,735