BALANCE SHEET OFFSETTING (Details) - USD ($) $ in Thousands		Dec. 31, 2018	Dec. 31, 2017
Offsetting Liabilities [Line Items]
Total		$ 26,113	$ 17,318
Derivative Asset, Collateral, Obligation to Return Cash, Offset		0	0
Derivative Asset		26,113	17,318
Derivative, Collateral, Obligation to Return Securities	[1]	6,556	5,383
Derivative, Collateral, Obligation to Return Cash		(8,528)	0
Derivative Asset, Fair Value, Amount Offset Against Collateral		11,029	11,935
Total		17,523	15,693
Derivative Liability, Collateral, Right to Reclaim Cash, Offset		0	0
Derivative Liability		17,523	15,693
Derivative, Collateral, Right to Reclaim Securities	[1]	6,556	5,383
Derivative, Collateral, Right to Reclaim Cash		173	3,939
Derivative Liability, Fair Value, Amount Offset Against Collateral		10,794	6,371
Interest Rate Swap [Member]
Offsetting Liabilities [Line Items]
Derivative Asset, Collateral, Obligation to Return Cash, Offset		0	0
Derivative Asset		8,955	1,880
Derivative, Collateral, Obligation to Return Securities		391	805
Derivative, Collateral, Obligation to Return Cash		(5,527)	0
Derivative Asset, Fair Value, Amount Offset Against Collateral		3,037	1,075
Derivative Liability, Collateral, Right to Reclaim Cash, Offset		0	0
Derivative Liability		391	264
Derivative, Collateral, Right to Reclaim Securities		391	0
Derivative, Collateral, Right to Reclaim Cash		0	264
Derivative Liability, Fair Value, Amount Offset Against Collateral		0	0
Loan level swaps
Offsetting Liabilities [Line Items]
Derivative Asset, Collateral, Obligation to Return Cash, Offset		0	0
Derivative Asset		15,580	14,236
Derivative, Collateral, Obligation to Return Securities		6,165	4,578
Derivative, Collateral, Obligation to Return Cash		(3,001)	0
Derivative Asset, Fair Value, Amount Offset Against Collateral		6,414	9,658
Derivative Liability, Collateral, Right to Reclaim Cash, Offset		0	0
Derivative Liability		15,584	14,241
Derivative, Collateral, Right to Reclaim Securities		6,165	5,383
Derivative, Collateral, Right to Reclaim Cash		173	3,675
Derivative Liability, Fair Value, Amount Offset Against Collateral		9,246	5,183
Foreign Exchange Contract [Member]
Offsetting Liabilities [Line Items]
Derivative Asset, Collateral, Obligation to Return Cash, Offset		0	0
Derivative Asset		1,578	1,202
Derivative, Collateral, Obligation to Return Securities		0	0
Derivative, Collateral, Obligation to Return Cash		0	0
Derivative Asset, Fair Value, Amount Offset Against Collateral		1,578	1,202
Derivative Liability, Collateral, Right to Reclaim Cash, Offset		0	0
Derivative Liability		1,548	1,188
Derivative, Collateral, Right to Reclaim Securities		0	0
Derivative, Collateral, Right to Reclaim Cash		0	0
Derivative Liability, Fair Value, Amount Offset Against Collateral		1,548	1,188
Other Assets [Member]
Offsetting Liabilities [Line Items]
Total		26,310	17,476
Other Assets [Member] | Loan level swaps
Offsetting Liabilities [Line Items]
Total		15,580	14,236
Other Assets [Member] | Foreign Exchange Contract [Member]
Offsetting Liabilities [Line Items]
Total		1,578	1,202
Other Assets [Member] | Designated as Hedging Instrument [Member] | Interest Rate Swap [Member]
Offsetting Liabilities [Line Items]
Interest Rate Derivative Assets, at Fair Value		8,955	1,880
Other Liabilities [Member]
Offsetting Liabilities [Line Items]
Total		17,523	15,693
Other Liabilities [Member] | Loan level swaps
Offsetting Liabilities [Line Items]
Total		15,584	14,241
Other Liabilities [Member] | Foreign Exchange Contract [Member]
Offsetting Liabilities [Line Items]
Total		1,548	1,188
Other Liabilities [Member] | Designated as Hedging Instrument [Member] | Interest Rate Swap [Member]
Offsetting Liabilities [Line Items]
Interest rate derivatives		$ 391	264
Customer Repurchase Agreements [Member]
Offsetting Liabilities [Line Items]
Securities Sold under Agreements to Repurchase, Gross Including Not Subject to Master Netting Arrangement			162,679
Securities Sold under Agreements to Repurchase, Asset			0
Securities Sold under Agreements to Repurchase			162,679
Securities Sold under Agreements to Repurchase, Collateral, Right to Reclaim Securities			0
Securities Sold under Agreements to Repurchase, Collateral, Right to Reclaim Cash			0
Securities Sold under Agreements to Repurchase, Fair Value of Collateral			$ 162,679

[1] Reflects offsetting derivative positions with the same counterparty.