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FAIR VALUE MEASUREMENTS - Fair Value of Derivatives (Details)	6 Months Ended
	Jun. 30, 2022 USD ($) item	Dec. 31, 2021 USD ($)
Interest rate derivatives
FAIR VALUE MEASUREMENTS
Number of mortgage loans outstanding with related interest rate swaps | item	18
Interest rate derivatives | Cash flow hedges
FAIR VALUE MEASUREMENTS
Number of interest rate derivatives held | item	18
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)	5.16%
Interest rate swap
FAIR VALUE MEASUREMENTS
Notional Amount	$ 51,396,000
Weighted average maturity	2 years 1 month 6 days
Financial assets:
Financial assets	$ 927,000
Financial assets, Balance Sheet Classification	Escrow, deposits and other assets and receivables	Escrow, deposits and other assets and receivables
Financial liabilities:
Financial liabilities	$ 1,000	$ 1,514,000
Financial liabilities, Balance Sheet Classification	Accrued expenses and other liabilities	Accrued expenses and other liabilities
Interest rate swap | Cash flow hedges | Weighted average
FAIR VALUE MEASUREMENTS
Weighted average annual interest rate (as a percent)	4.09%

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The number of mortgage loans outstanding with related interest rate derivatives.

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Average fixed interest rate related to the group of interest rate derivatives.

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Average remaining period until maturity of the derivative contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Nominal or face amount used to calculate payment on derivative.

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Number of interest rate derivative instruments held by the entity at the reporting date.

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