DERIVATIVE FINANCIAL INSTRUMENTS - Effect on statements of income (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
DERIVATIVE FINANCIAL INSTRUMENTS
Net unrealized gain (loss) on derivative instruments for interest rate swaps	$ 294,931	$ 0	$ 0
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]
DERIVATIVE FINANCIAL INSTRUMENTS
Net unrealized gain (loss) on derivative instruments for interest rate swaps	$ 294,931
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Net unrealized gain (loss) on derivative instruments for interest rate swaps	Net unrealized gain (loss) on derivative instruments for interest rate swaps	Net unrealized gain (loss) on derivative instruments for interest rate swaps
Total Amount of Interest Expense presented in the consolidated statements of operations	$ (15,045,477)	$ (13,629,463)	$ (13,705,415)