STATUTORY INFORMATION AND DIVIDEND RESTRICTIONS (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
STATUTORY INFORMATION AND DIVIDEND RESTRICTIONS [Abstract]
Statutory surplus of the Company's insurance subsidiaries	$ 454,799	$ 416,718
Statutory net income (loss)	32,159	41,162	38,102
Risk-based capital model assessment for Company	At December 31, 2014, the Company’s insurance subsidiaries had total adjusted statutory capital well in excess of the minimum risk-based capital requirement.
Statutory Accounting Practices, Statutory Capital and Surplus Required	73,243
Percentage of statutory surplus as maximum dividend allowable without prior approval of insurance regulatory authorities (in hundredths)	10.00%	10.00%	10.00%
Amount available for distribution to the Company without prior approval	$ 45,480