RENTAL PROPERTIES (Details)	3 Months Ended
	Mar. 31, 2025 USD ($) item property	Dec. 31, 2024 USD ($)	Mar. 31, 2024 USD ($)
Rental properties
Total fixed assets	$ 469,754,757	$ 461,409,491
Less: Accumulated depreciation	(186,757,051)	(182,892,842)
Total fixed assets, net	282,997,706	278,516,649
Land, improvements and parking lots
Rental properties
Total fixed assets	$ 101,397,349	101,397,349
Land, improvements and parking lots | Minimum
Rental properties
Useful Life	15 years
Land, improvements and parking lots | Maximum
Rental properties
Useful Life	40 years
Buildings and improvements
Rental properties
Total fixed assets	$ 280,080,887	279,272,215
Buildings and improvements | Minimum
Rental properties
Useful Life	15 years
Buildings and improvements | Maximum
Rental properties
Useful Life	40 years
Construction in progress
Rental properties
Total fixed assets	$ 23,194,891	16,758,245
Kitchen cabinets
Rental properties
Total fixed assets	$ 14,457,979	14,187,702
Kitchen cabinets | Minimum
Rental properties
Useful Life	5 years
Kitchen cabinets | Maximum
Rental properties
Useful Life	10 years
Carpets
Rental properties
Total fixed assets	$ 14,840,793	14,545,300
Carpets | Minimum
Rental properties
Useful Life	5 years
Carpets | Maximum
Rental properties
Useful Life	10 years
Air conditioning
Rental properties
Total fixed assets	$ 500,000	500,000
Air conditioning | Minimum
Rental properties
Useful Life	5 years
Air conditioning | Maximum
Rental properties
Useful Life	10 years
Laundry equipment
Rental properties
Total fixed assets	$ 475,931	475,931
Laundry equipment | Minimum
Rental properties
Useful Life	5 years
Laundry equipment | Maximum
Rental properties
Useful Life	7 years
Elevators
Rental properties
Total fixed assets	$ 1,885,265	1,885,265
Elevators | Minimum
Rental properties
Useful Life	20 years
Elevators | Maximum
Rental properties
Useful Life	40 years
Swimming pools
Rental properties
Total fixed assets	$ 1,090,604	1,090,604
Swimming pools | Minimum
Rental properties
Useful Life	10 years
Swimming pools | Maximum
Rental properties
Useful Life	30 years
Equipment
Rental properties
Total fixed assets	$ 22,140,100	21,911,223
Equipment | Minimum
Rental properties
Useful Life	5 years
Equipment | Maximum
Rental properties
Useful Life	30 years
Motor vehicles
Rental properties
Total fixed assets	$ 236,697	236,697
Motor vehicles | Maximum
Rental properties
Useful Life	5 years
Fences
Rental properties
Total fixed assets	$ 101,506	101,506
Fences | Minimum
Rental properties
Useful Life	5 years
Fences | Maximum
Rental properties
Useful Life	15 years
Furniture and fixtures
Rental properties
Total fixed assets	$ 9,352,755	$ 9,047,454
Furniture and fixtures | Minimum
Rental properties
Useful Life	5 years
Furniture and fixtures | Maximum
Rental properties
Useful Life	7 years
Partnership properties
RENTAL PROPERTIES
Number of properties | property	31
Investment Properties
RENTAL PROPERTIES
Number of units	690		690
NERA 40%
RENTAL PROPERTIES
Ownership interest (as a percent)	40.00%		40.00%
NERA 50%
RENTAL PROPERTIES
Ownership interest (as a percent)	50.00%		50.00%
Residential and mixed-use properties | Partnership properties
RENTAL PROPERTIES
Number of units | item	2,943
Number of properties | property	27
Residential and mixed-use properties | Investment properties
RENTAL PROPERTIES
Number of units | item	688
Residential and mixed-use properties | Investment Properties | Investment properties
RENTAL PROPERTIES
Number of properties | item	7
Residential and mixed-use properties | NERA 40% | Investment properties | Minimum
RENTAL PROPERTIES
Ownership interest (as a percent)	40.00%
Residential and mixed-use properties | NERA 50% | Investment properties | Maximum
RENTAL PROPERTIES
Ownership interest (as a percent)	50.00%
Condominium | Partnership properties
RENTAL PROPERTIES
Number of units | item	19
Number of properties | property	1
Commercial
RENTAL PROPERTIES
Number of properties | item	2
Commercial | Partnership properties
RENTAL PROPERTIES
Number of properties | property	4
Commercial | Investment Properties
RENTAL PROPERTIES
Number of units	3		3