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COMMITMENTS, CONTINGENCIES AND DERIVATIVES (Summary of Contractual and Notional Amounts of Financial Instruments) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Customer Loan Swaps
Financial Instruments [Line Items]
Notional amount of derivative	$ 295,657	$ 532,526
Forward-Starting Interest Rate Swap
Financial Instruments [Line Items]
Notional amount of derivative	50,000	50,000
Interest rate swaps
Financial Instruments [Line Items]
Notional amount of derivative	43,000	43,000
Interest rate lock commitments
Financial Instruments [Line Items]
Notional amount of derivative	26,629	15,249
Forward Contracts [Member]
Financial Instruments [Line Items]
Notional amount of derivative	10,882	15,125
Other Commitments
Financial Instruments [Line Items]
Notional amount of derivative	736	432
Letters of Credit
Financial Instruments [Line Items]
Notional amount of derivative	3,093	2,580
Home Equity
Financial Instruments [Line Items]
Notional amount of derivative	438,683	454,225
Commercial and commercial real estate
Financial Instruments [Line Items]
Notional amount of derivative	88,099	83,103
Residential
Financial Instruments [Line Items]
Notional amount of derivative	$ 43,588	$ 17,795

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- Definition

Financial Instruments [Line Items]

+ References

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- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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