SUBSEQUENT EVENTS (Details)		1 Months Ended	6 Months Ended		187 Months Ended	190 Months Ended
	Jul. 14, 2023 USD ($) property	Aug. 08, 2023 USD ($) $ / item shares	Jun. 30, 2023 USD ($) shares	Jun. 30, 2022 USD ($) shares	Mar. 31, 2023 USD ($) shares	Jun. 30, 2023 $ / item shares
Subsequent events
Number of depository receipts repurchased | shares					1,502,734
Repurchase price of depository receipts (in dollars per receipt) | $ / item						30.54
Total cost of repurchase | $			$ 1,289,374	$ 3,688,961	$ 51,785,000
Units required to be repurchased (in shares) | shares			594	1,574
Class B
Subsequent events
Number of depository receipts repurchased | shares						4,160
Total cost of repurchase | $			$ 244,753	$ 700,523
General Partnership
Subsequent events
Number of depository receipts repurchased | shares						219
Total cost of repurchase | $			$ 12,882	$ 36,869
Units required to be repurchased (in shares) | shares			6
Subsequent event
Subsequent events
Number of depository receipts repurchased | shares		1,554
Repurchase price of depository receipts (in dollars per receipt) | $ / item		72.80
Price per unit of depository receipts | $ / item		2,183.89
Total cost of repurchase | $		$ 113,476
Quarterly distribution (per unit) | $ / item		12.00
Quarterly distributions per depositary receipt (in dollars per receipt) | $ / item		0.40
Subsequent event | Residential buildings
Subsequent events
Number of units | property	52
Purchase price | $	$ 27,500,000
Subsequent event | Class B
Subsequent events
Value of units required to be repurchased | $		$ 26,906
Subsequent event | General Partnership
Subsequent events
Units required to be repurchased (in shares) | shares		1
Value of units required to be repurchased | $		$ 1,416