DERIVATIVE AND HEDGING INSTRUMENTS - Gross Presentation, Effects of Offsetting, and a Net Presentation of Derivatives (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Offsetting Assets:
Gross amounts of recognized assets	$ 7,477	$ 29,344
Gross amounts offset in the balance sheet, assets	0	0
Net amounts of assets presented in the balance sheet	7,477	29,344
Financial instruments, assets	(544)	(2,069)
Cash collateral received, assets	0	0
Net amount, assets	6,933	27,275
Offsetting Liabilities:
Gross amounts of recognized liabilities	626	4,529
Gross amounts offset in the balance sheet, liabilities	0	0
Liabilities presented in the balance sheet	626	4,529
Financial Instruments, liabilities	(544)	(2,069)
Cash collateral received, liabilities	0	0
Net amount, liabilities	$ 82	$ 2,460

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