BUSINESS COMBINATIONS (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	0 Months Ended	12 Months Ended
	Mar. 28, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Business Acquisition [Line Items]
Amortization of the value of business acquired asset		$ 0	$ 1,673	$ 25,763
Mercer Insurance Group [Member]
Business Acquisition [Line Items]
Value of Business Acquired (VOBA), Amortization Period		12 months
Amortization of the value of business acquired asset			1,673	25,763
Percentage of outstanding common stock acquired	100.00%
Total consideration of business combination	191,475
Short-term debt used for acquisition funding	$ 79,900