BALANCE SHEET OFFSETTING (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Offsetting Assets [Line Items]
Derivative Asset, Securities Purchased under Agreements to Resell, Securities Borrowed, Gross	$ 15,741	$ 24,886
Derivative Asset, Securities Purchased under Agreements to Resell, Securities Borrowed, Liability	0	0
Derivative Asset, Securities Purchased under Agreements to Resell, Securities Borrowed	15,741	24,886
Derivative Asset, Securities Purchased under Agreements to Resell, Securities Borrowed, Not Offset, Policy Election Deduction	0	0
Derivative Asset, Securities Purchased under Agreements to Resell, Securities Borrowed, Collateral, Obligation to Return Cash	(7,898)	(5,529)
Derivative Asset, Securities Purchased under Agreements to Resell, Securities Borrowed, Amount Offset Against Collateral	7,843	19,357
Derivative Liability, Securities Sold under Agreements to Repurchase, Securities Loaned, Gross	14,363	27,357
Derivative Liability, Securities Sold under Agreements to Repurchase, Securities Loaned, Asset	0	0
Derivative Liability, Securities Sold under Agreements to Repurchase, Securities Loaned	14,363	27,357
Derivative Liability, Securities Sold under Agreements to Repurchase, Securities Loaned, Not Offset, Policy Election Deduction	0	0
Derivative Liability, Securities Sold under Agreements to Repurchase, Securities Loaned, Collateral, Right to Reclaim Cash	10,376	26,088
Derivative Liability, Securities Sold under Agreements to Repurchase, Securities Loaned, Amount Offset Against Collateral	3,987	1,269
Securities Sold under Agreements to Repurchase, Gross	237,668	211,608
Securities Sold under Agreements to Repurchase, Asset	0	0
Securities Sold under Agreements to Repurchase	237,668	211,608
Derivative Liability, Securities Sold under Agreements to Repurchase, Securities Loaned, Collateral, Right to Reclaim Securities	237,668	211,608
Securities Sold under Agreements to Repurchase, Collateral, Right to Reclaim Cash	0	0
Securities Sold under Agreements to Repurchase, Amount Offset Against Collateral	0	0
Customer Loan Swap Dealer Bank [Member]
Offsetting Assets [Line Items]
Derivative Liability, Fair Value, Gross Liability	7,937	19,485
Derivative Liability, Fair Value, Gross Asset	0	0
Fair Value	7,937	19,485
Derivative Liability, Not Offset, Policy Election Deduction	0	0
Derivative, Collateral, Right to Reclaim Cash	3,950	19,485
Derivative Liability, Fair Value, Amount Offset Against Collateral	3,987	0
Customer Loan Swaps Commercial Customer [Member]
Offsetting Assets [Line Items]
Derivative Asset, Fair Value, Gross Asset	7,843	19,297
Derivative Asset, Fair Value, Gross Liability	0	0
Fair Value	7,843	19,297
Derivative Asset, Not Offset, Policy Election Deduction	0	0
Derivative, Collateral, Obligation to Return Cash	0	0
Derivative Asset, Fair Value, Amount Offset Against Collateral	7,843	19,297
Interest rate contracts(1)
Offsetting Assets [Line Items]
Derivative Asset, Fair Value, Gross Asset	7,898	5,589
Derivative Asset, Fair Value, Gross Liability	0	0
Fair Value	7,898	5,589
Derivative Asset, Not Offset, Policy Election Deduction	0	0
Derivative, Collateral, Obligation to Return Cash	(7,898)	(5,529)
Derivative Asset, Fair Value, Amount Offset Against Collateral	0	60
Derivative Liability, Fair Value, Gross Liability	6,426	7,872
Derivative Liability, Fair Value, Gross Asset	0	0
Fair Value	6,426	7,872
Derivative Liability, Not Offset, Policy Election Deduction	0	0
Derivative, Collateral, Right to Reclaim Cash	6,426	6,603
Derivative Liability, Fair Value, Amount Offset Against Collateral	$ 0	$ 1,269