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DERIVATIVES AND HEDGING ACTIVITIES - Narrative (Details) - USD ($)
Sep. 30, 2022
Dec. 31, 2021
Derivative [Line Items]    
Liability for cash collateral received from counterparties $ 14,500,000 $ 0
Receivable for cash collateral paid to counterparties 100,000 5,300,000
Notional amount of open interest rate swap agreements 504,346,000 1,335,485,000
Interest rate swaps, back-to-back    
Derivative [Line Items]    
Notional amount of open interest rate swap agreements $ 238,000,000 $ 287,000,000