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DERIVATIVE FINANCIAL INSTRUMENTS - Effect on statements of income (Details) - USD ($) | 12 Months Ended
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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)

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- Definition Indicates line item in statement of income or comprehensive income that includes gain (loss) from derivative. + References No definition available. + Details
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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959 + Details
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- Definition Amount, after tax and reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness, attributable to parent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=124509347&loc=d3e637-108580 + Details
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