INTEREST RATE SWAPS - NON-HEDGE (Details) - USD ($)	9 Months Ended
Sep. 30, 2016	Dec. 31, 2015
Information about derivatives and swaps
Fair value of investment securities pledged as collateral	$ 205,773,000	$ 490,074,000
Counterparty
Information about derivatives and swaps
Fair value of investment securities pledged as collateral	3,300,000	1,500,000
Counterparty \| Minimum
Information about derivatives and swaps
Unrealized Gain (Loss) in AOCI	250,000
Interest rate swap \| Non-Hedge
Information about derivatives and swaps
Notional amount	57,734,000	51,854,000
Fair Value	(29,000)
Interest rate swap \| Non-Hedge \| Bank Clients
Information about derivatives and swaps
Notional amount	28,867,000	25,927,000
Fair Value	1,736,000	400,000
Interest rate swap \| Non-Hedge \| Counterparty
Information about derivatives and swaps
Notional amount	28,867,000	25,927,000
Fair Value	$ (1,765,000)	$ (400,000)

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

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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No definition available.

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- Definition

Fair value as of the balance sheet date of all interest rate derivatives designated as cash flow hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958

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Fair value of financial instrument held by the entity for its own account (proprietary securities) for trading or investment purposes that are carried at fair value and pledged to counterparties as collateral for financing transactions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 30
-Section 50
-Paragraph 1A
-Subparagraph (b)(1)(i)
-URI http://asc.fasb.org/extlink&oid=64858031&loc=SL6224234-111729

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=66007379&loc=d3e113888-111728

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The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

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