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DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES - Offsetting Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Derivative [Line Items]
Cash Collateral Pledged	$ 30,450	$ 10,700
MNA counterparty
Derivative [Line Items]
Cash Collateral Pledged	30,450	10,700
Customer loan derivative liability
Derivative [Line Items]
Derivative liabilities	(28,036)	(8,046)
Customer loan derivative liability | MNA counterparty
Derivative [Line Items]
Derivative liabilities	(16,965)	(4,669)
Customer loan derivative liability | RPA counterparty
Derivative [Line Items]
Derivative liabilities	(11,071)	(3,377)
Customer loan derivative asset
Derivative [Line Items]
Derivative Assets	28,036	8,046
Customer loan derivative asset | MNA counterparty
Derivative [Line Items]
Derivative Assets	16,965	4,669
Customer loan derivative asset | RPA counterparty
Derivative [Line Items]
Derivative Assets	$ 11,071	$ 3,377

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- Definition

Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities.

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Fair value of asset associated with financial liability or 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.

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