INCOME TAXES (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Income tax expense (benefit) reconciliation [Abstract]
United States federal corporate tax rate (in hundredths)	35.00%	35.00%	35.00%	35.00%
Computed expected income tax expense	$ 659	$ 3,348	$ 5,965	$ 13,308
Increases (decreases) in tax resulting from:
Tax-exempt interest income	(757)	(961)	(2,559)	(2,897)
Dividends received deduction	(247)	(221)	(725)	(638)
Proration of tax-exempt interest and dividends received deduction	151	188	493	541
Other, net	(152)	11	30	24
Total income tax expense (benefit)	(346)	2,365	3,204	10,338
Provision for uncertain tax positions	$ 0		$ 0		$ 0