DERIVATIVE AND HEDGING INSTRUMENTS - Gross Presentation, Effects of Offsetting, and Net Presentation of Derivatives (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Offsetting Assets:
Gross amounts of recognized assets	$ 21,636	$ 12,802
Gross amounts offset in the balance sheet	0	0
Net amounts of assets presented in the balance sheet	21,636	12,802
Financial instruments	(8,273)	(7,420)
Cash collateral received	0	0
Net amount	13,363	5,382
Offsetting Liabilities:
Gross amounts of recognized liabilities	23,766	37,018
Gross amounts offset in the balance sheet	0	0
Liabilities presented in the balance sheet	23,766	37,018
Financial instruments	(8,273)	(7,420)
Cash collateral received	0	0
Net amount, liabilities	$ 15,493	$ 29,598