INVESTMENTS (Held to Maturity) (Details) - USD ($)	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures [Abstract]
Cost	$ 16,519,000	$ 17,022,000
Unrealized net loss	(116,000)	(334,000)
Fair value	16,403,000	16,688,000
Sales of investments during the period	$ 0	$ 0
Investment maturity period	10 years

Investment Maturity Period

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- Definition

Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
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- Definition

Amount of accumulated unrealized loss on investments in debt securities classified as held-to-maturity.

+ References

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- Definition

Fair value of investments in debt securities classified as held-to-maturity.

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- References

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- Definition

The cash inflow associated with the sale of securities that had been designated as held-to-maturity. Excludes proceeds from maturities, prepayments and calls by the issuer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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