PRINCIPAL BUSINESS AND ORGANIZATION (Details)								1 Months Ended			3 Months Ended
	Aug. 26, 2024 shares	Jan. 01, 2024 USD ($) shares	Jun. 01, 2022 USD ($) a ft² Shareholder	May 06, 2022 USD ($) Agreement Land Company shares	Oct. 31, 2019 shares	Dec. 31, 2016 shares	Oct. 31, 2016 shares	Sep. 30, 2024 USD ($) $ / shares shares	Jul. 31, 2023 shares	Mar. 31, 2021 Company Building	Sep. 30, 2024 USD ($) Offering Company $ / shares shares	Jun. 30, 2024 $ / shares shares	Feb. 21, 2024 USD ($)	Nov. 01, 2023 USD ($)	Sep. 01, 2023	Feb. 06, 2023 USD ($)	Oct. 14, 2022 USD ($)	Jan. 25, 2022	Oct. 04, 2021	Apr. 13, 2021 USD ($) $ / shares
Common Stock Disclosures [Abstract]
Total shares authorized for issue (in shares) | shares								100,000,000			100,000,000
Common stock, authorized (in shares) | shares								80,000,000			80,000,000	80,000,000
Common stock, par value (in dollars per share) | $ / shares								$ 0.0001			$ 0.0001	$ 0.0001
Preferred stock, shares authorized (in shares) | shares								20,000,000			20,000,000	20,000,000
Preferred stock, par value (in dollars per share) | $ / shares								$ 0.0001			$ 0.0001	$ 0.0001
Common stock, Initial public offering (in shares) | shares					15,000,000	15,000,000	5,000,000
Portfolio risk concentration, percentage											20.00%
Capital contribution by parent											$ 82,093,593
Number of operating companies | Company										2
Number of residential apartment buildings to acquire and operate | Building										2
Construction loan closed													$ 17,150,000
Proceeds from public offerings											$ 119,100,000
Number of public offering | Offering											3
Proceeds from issuance of common stock											$ 15,560,000
GV Executive Center, LLC [Member]
Common Stock Disclosures [Abstract]
Percentage of economic interest acquired		100.00%
Purchase price of parcel entitled land acquired		$ 8,703,127
MRC Aurora, LLC [Member]
Common Stock Disclosures [Abstract]
Operating Partnership, ownership interest																100.00%
Preferred capital from operating partnership																$ 10,000,000
Construction loan closed													$ 17,150,000
220 Campus Lane, LLC [Member]
Common Stock Disclosures [Abstract]
Operating Partnership, ownership interest															100.00%
Campus Lane Residential, LLC [Member]
Common Stock Disclosures [Abstract]
Operating Partnership, ownership interest															100.00%
Hollywood Hillview [Member]
Common Stock Disclosures [Abstract]
Percentage of economic interest acquired																			90.00%
Remaining percentage of economic interest																			10.00%
PT Hillview [Member]
Common Stock Disclosures [Abstract]
Operating Partnership, ownership interest																			100.00%
MacKenzie-BAA IG Shoreline, LLC [Member]
Common Stock Disclosures [Abstract]
Percentage of economic interest acquired																		98.00%
Remaining percentage of economic interest																		2.00%
Green Valley Executive Center [Member]
Common Stock Disclosures [Abstract]
Operating Partnership, ownership interest								100.00%			100.00%
Equity Investors Member Units [Member] | Madison [Member]
Common Stock Disclosures [Abstract]
Ownership percentage of equity investors										98.45%
Joint venture partners own percentage										1.55%
Equity Investors Member Units [Member] | PVT [Member]
Common Stock Disclosures [Abstract]
Ownership percentage of equity investors										98.75%
Joint venture partners own percentage										1.25%
FSP Satellite Place [Member]
Common Stock Disclosures [Abstract]
Rentable Space | ft²			134,785
Area of land rentable space located | a			10
Number of shareholders exception for cash payment | Shareholder			2
Wiseman Company LLC [Member]
Common Stock Disclosures [Abstract]
Number of operating companies | Company				8
Number of operating companies with separate agreement | Agreement				1
Number of completed acquisitions of limited partnership interests | Company				5							6
Percentage of economic interest acquired				100.00%
Number of parcel entitled land acquired | Land				1
Purchase price of interests acquired				$ 18,333,000
Purchase price of parcel entitled land acquired				3,050,000
Purchase price paid through issuance of shares				4,650,000
Purchase price of parcel entitled land paid through issuance of shares				$ 750,000
Period for right to acquire each property at pre-determined prices in following years											2 years
Common Stock [Member]
Common Stock Disclosures [Abstract]
Shares issued (in shares) | shares	133,000							83.8	2,265
Percentage of shares issued in transaction	1.00%
Payment to repurchase shares											$ 14,280,000
Common Stock [Member] | FSP Satellite Place [Member]
Common Stock Disclosures [Abstract]
Payments to acquire economic interest			$ 27,503
Preferred Stock [Member] | FSP Satellite Place [Member]
Common Stock Disclosures [Abstract]
Payments to acquire economic interest			$ 13,752
Preferred Stock [Member] | Wiseman Company LLC [Member]
Common Stock Disclosures [Abstract]
Shares issued (in shares) | shares				206,666.67
Series A Preferred Stock [Member]
Common Stock Disclosures [Abstract]
Preferred stock, authorized amount																	$ 75,000,000			$ 50,000,000
Preferred stock initial offering price (in dollars per share) | $ / shares																				$ 25
Proceeds from public offerings											$ 18,560,000
Series A Preferred Stock [Member] | GV Executive Center, LLC [Member]
Common Stock Disclosures [Abstract]
Shares issued (in shares) | shares		386,805.64
Series A Preferred Stock [Member] | Operating Partnership [Member]
Common Stock Disclosures [Abstract]
Preferred stock, par value (in dollars per share) | $ / shares								$ 25			$ 25
Operating Partnership shares owned (in shares) | shares								1,060,150.83			1,060,150.83
Operating Partnership shares, amount entitled to receive								$ 26,503,771			$ 26,503,771
Operating Partnership, ownership interest								25.72%			25.72%
Series A Preferred Stock [Member] | Wiseman Company LLC [Member]
Common Stock Disclosures [Abstract]
Shares issued (in shares) | shares											459,620.35
Series A Preferred Stock [Member] | Preferred Stock [Member]
Common Stock Disclosures [Abstract]
Payment to repurchase shares											$ 110,000
Series B Preferred Stock [Member]
Common Stock Disclosures [Abstract]
Proceeds from public offerings											$ 1,650,000
Series B Preferred Stock [Member] | Operating Partnership [Member]
Common Stock Disclosures [Abstract]
Preferred stock, par value (in dollars per share) | $ / shares								$ 25			$ 25
Operating Partnership shares owned (in shares) | shares								43,212.86			43,212.86
Operating Partnership shares, amount entitled to receive								$ 1,080,322			$ 1,080,322
Operating Partnership, ownership interest								25.72%			25.72%
Series B Preferred Stock [Member] | Wiseman Company LLC [Member]
Common Stock Disclosures [Abstract]
Shares issued (in shares) | shares											43,212.86
Class A [Member] | Operating Partnership [Member]
Common Stock Disclosures [Abstract]
Operating Partnership shares owned (in shares) | shares								82,148.28			82,148.28
Conversion ratio											1
Operating Partnership, ownership interest								25.72%			25.72%
Class A [Member] | Wiseman Company LLC [Member]
Common Stock Disclosures [Abstract]
Shares issued (in shares) | shares				77,881.62
Series A and B Preferred Stock [Member]
Common Stock Disclosures [Abstract]
Preferred stock, authorized amount														$ 75,000,000
Proceeds from issuance of preferred stock											$ 300,000