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FAIR VALUE (Quantitative Information about Level 3 Fair Value Measurements) (Details) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2019 USD ($) item	Dec. 31, 2018 USD ($) item
Fair Value, Measurements, Nonrecurring
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Total assets	$ 9,243	$ 11,822
Level 3 | Fair Value, Measurements, Nonrecurring
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Total assets	9,243	11,822
Level 3 | Measurement Input, Discount Rate | State and Municipal Securities | Price To Type Par Call
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Total assets	$ 150	$ 150
Level 3 | Discount To Benchmark Index | Minimum | Measurement Input, Discount Rate | State and Municipal Securities | Price To Type Par Call
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Range of Inputs (Average) (in hundredths)	0.00%	0.00%
Level 3 | Discount To Benchmark Index | Maximum | Measurement Input, Discount Rate | State and Municipal Securities | Price To Type Par Call
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Range of Inputs (Average) (in hundredths)	1.00%	1.00%
Level 3 | Discount To Benchmark Index | Weighted Average | Measurement Input, Discount Rate | State and Municipal Securities | Price To Type Par Call
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Debt Instrument, Measurement Input | item	(0.17)	(0.17)

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- Definition

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

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- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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- Definition

Value of input used to measure debt instrument, including, but not limited to, convertible and non-convertible debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
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