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FAIR VALUE MEASUREMENTS - Fair Value of Derivatives (Details) | 6 Months Ended |
--- | --- | ---
Jun. 30, 2021 USD ($) item | Dec. 31, 2020 USD ($)
Interest rate derivatives |  |
FAIR VALUE MEASUREMENTS |  |
Number of mortgage loans outstanding | 21 |
Interest rate derivatives | Cash flow hedges |  |
FAIR VALUE MEASUREMENTS |  |
Number of interest rate derivatives held | 21 |
Notional Amount | $ | $ 65,735,000 |
Weighted average maturity | 2 years 8 months 12 days |
Weighted average annual interest rate (as a percent) | 4.08% |
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 | Not Designated as Hedging Instrument |  |
FAIR VALUE MEASUREMENTS |  |
Number of interest rate derivatives held | 1 |
Notional Amount | $ | $ 3,812,000 |
Interest rate swap | Cash flow hedges | Designated as hedging instruments |  |
FAIR VALUE MEASUREMENTS |  |
Number of interest rate derivatives held | 20 |
Recurring | Interest rate swap | Level 2 | Other liabilities |  |
Financial liabilities: |  |
Derivative financial instruments | $ | $ 2,669,000 | $ 5,012,000

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