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FAIR VALUE MEASUREMENTS - Fair Value of Derivatives (Details)	12 Months Ended
	Dec. 31, 2022 USD ($) item	Dec. 31, 2021 USD ($)
Interest rate derivatives | Cash flow hedges
FAIR VALUE MEASUREMENTS
Number of interest rate derivatives held | item	17
Number of mortgage loans outstanding with related interest rate swaps | item	17
Notional Amount	$ 49,222,000
Weighted average maturity	1 year 8 months 12 days
Weighted average annual interest rate (as a percent)	4.07%
Interest rate derivatives | Cash flow hedges | Minimum
FAIR VALUE MEASUREMENTS
Fixed interest rate (as a percent)	3.02%
Interest rate derivatives | Cash flow hedges | Maximum
FAIR VALUE MEASUREMENTS
Fixed interest rate (as a percent)	4.62%
Interest rate swap
Financial assets:
Financial assets, Balance Sheet Classification	Escrow, deposits and other assets and receivables	Escrow, deposits and other assets and receivables
Financial liabilities:
Financial liabilities, Balance Sheet Classification	Accrued expenses and other liabilities	Accrued expenses and other liabilities
Interest rate swap | Level 2
Financial assets:
Financial assets	$ 1,811,000
Financial liabilities:
Financial liabilities		$ 1,514,000

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