FAIR VALUE (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Debt securities [Abstract]
Debt securities	$ 339,178	$ 284,099
Equity securities	38,534	39,247
Recurring [Member]
Debt securities [Abstract]
United States government obligations and authorities	61,553	62,323
Obligations of states and political subdivisions	110,702	91,614
Corporate	154,620	119,024
International	12,303	11,138
Debt securities	339,178	284,099
Equity securities	38,534	39,247
Total investments	377,712	323,346
Recurring [Member] \| Level 1 [Member]
Debt securities [Abstract]
United States government obligations and authorities	34,733	46,002
Obligations of states and political subdivisions	0	0
Corporate	0	0
International	0	0
Debt securities	34,733	46,002
Equity securities	38,012	39,247
Total investments	72,745	85,249
Recurring [Member] \| Level 2 [Member]
Debt securities [Abstract]
United States government obligations and authorities	26,820	16,321
Obligations of states and political subdivisions	110,702	91,614
Corporate	154,620	119,024
International	12,303	11,138
Debt securities	304,445	238,097
Equity securities	522	0
Total investments	304,967	238,097
Recurring [Member] \| Level 3 [Member]
Debt securities [Abstract]
United States government obligations and authorities	0	0
Obligations of states and political subdivisions	0	0
Corporate	0	0
International	0	0
Debt securities	0	0
Equity securities	0	0
Total investments	$ 0	$ 0

No definition available.

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- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents Available-for-sale Securities which consist of all investments in certain debt and equity securities neither classified as trading or held-to-maturity securities. A debt security represents a creditor relationship with an enterprise. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An entity may opt to provide the reader with additional narrative text to better understand the nature of investments in debt which are categorized as Available-for-sale.

+ References

No definition available.

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- Definition

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

+ References

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

Amount of debt securities categorized neither as held-to-maturity nor trading.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 25
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-Subparagraph (b)
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- Definition

Amount of equity securities categorized neither as held-to-maturity nor as trading.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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- Definition

The fair value as of the balance sheet date of firm holdings in fixed income or other debt securities issued by a corporation or other issuer not elsewhere specified in the taxonomy. Includes both pledged (to counterparties as collateral for financing transactions) and unpledged holdings.

+ References

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- Definition

The fair value as of the balance sheet date of firm holdings in fixed income obligations issued by state and local governments and authorities. Includes both pledged (to counterparties as collateral for financing transactions) and unpledged holdings.

+ References

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- Definition

The fair value as of the balance sheet date of firm holdings in debt obligations issued by the US government including short-term Treasury bills, medium-term Treasury notes, and long-term Treasury bonds, as well as debt issued by agencies. Includes both pledged (to counterparties as collateral for financing transactions) and unpledged holdings.

+ References

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