Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein.

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Amount of expenses related to the generation of investment income.

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Amount, after investment expense, of income earned from investments in securities and real estate. Includes, but is not limited to, real estate investment, policy loans, dividends, and interest. Excludes realized gain (loss) on investments.

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INVESTMENTS (Details) - 10K (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Net investment income
Gross investment income									$ 60,726	$ 57,758	$ 63,509
Less investment expenses									(5,118)	(4,995)	(4,678)
Net Investment Income	13,844us-gaap_NetInvestmentIncome	14,200us-gaap_NetInvestmentIncome	13,982us-gaap_NetInvestmentIncome	13,582us-gaap_NetInvestmentIncome	13,432us-gaap_NetInvestmentIncome	13,598us-gaap_NetInvestmentIncome	12,847us-gaap_NetInvestmentIncome	12,886us-gaap_NetInvestmentIncome	55,608us-gaap_NetInvestmentIncome	52,763us-gaap_NetInvestmentIncome	58,831us-gaap_NetInvestmentIncome
Debt securities
Net investment income
Gross investment income									48,757	45,870	50,646
Equity securities
Net investment income
Gross investment income									11,962	11,865	12,848
Cash and Short-term Investments
Net investment income
Gross investment income									$ 7	$ 23	$ 15