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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2021 USD ($) Integer | Sep. 30, 2020 USD ($) | Sep. 30, 2021 USD ($) Integer | Sep. 30, 2020 USD ($) | Dec. 31, 2020 USD ($)
Derivative [Line Items] |  |  |  |  |
Number of interest rate swaps | Integer | 5 |  | 5 |  |
Interest Rate Cash Flow Hedge Assets at Fair Value | $ 511,000 |  | $ 511,000 |  | $ 0
Interest rate cash flow hedge liabilities at fair value | 2,987,000 |  | 2,987,000 |  | 10,752,000
Swap termination value | 2,517,000 |  | 2,517,000 |  |
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Amount of Income (Loss) Recognized in Other Comprehensive Income on Derivatives | 247,000 | $ (75,000) | 5,015,000 | $ (18,647,000) |
Amount of (income) loss reclassified from accumulated other comprehensive income into interest expense | 1,078,000 | $ 1,437,000 | 3,261,000 | $ 2,395,000 |
Cash flow hedge amount to be reclassified to Interest Expense in next 12 months | 3,342,000 |  | 3,342,000 |  |
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Other Assets [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Interest Rate Cash Flow Hedge Assets at Fair Value | 511,000 |  | 511,000 |  | 0
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Other Liabilities [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Interest rate cash flow hedge liabilities at fair value | 2,987,000 |  | 2,987,000 |  | 10,752,000
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | $75 million interest rate swap executed in 2015 [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional Amount of Interest Rate Derivatives | 75,000,000 |  | 75,000,000 |  | 75,000,000
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | $65 million interest rate swap executed in 2016 [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional Amount of Interest Rate Derivatives | 65,000,000 |  | 65,000,000 |  | 65,000,000
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | $40 million interest rate swap (2016) [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional Amount of Interest Rate Derivatives | 0 |  | 0 |  | 40,000,000
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | $100 million interest rate swap (2019) [Domain] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional Amount of Interest Rate Derivatives | 100,000,000 |  | 100,000,000 |  | 100,000,000
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | $100 million interest rate swap (2020) [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional Amount of Interest Rate Derivatives | 100,000,000 |  | 100,000,000 |  | 100,000,000
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | $50 million interest rate swap executed in 2021 |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional Amount of Interest Rate Derivatives | $ 50,000,000 |  | $ 50,000,000 |  | $ 0

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