REINSURANCE (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Reinsurance
Maximum amount beyond which net loss on any individual risk is limited through the purchase of reinsurance	$ 3,000,000
WRITTEN
Reinsurance ceded	(176,873,000)
EARNED
Direct	741,569,000	679,124,000	625,963,000
Reinsurance assumed	78,891,000	77,597,000	66,984,000
Reinsurance ceded	(189,658,000)	(180,150,000)	(154,495,000)
Net amount	630,802,000	576,571,000	538,452,000
Maximum
Reinsurance
Reinsurance retentions	8,800,000
Minimum
Reinsurance
Reinsurance retentions	700,000
Property and Casualty
WRITTEN
Direct	770,142,000	709,107,000	629,727,000
Reinsurance assumed	73,053,000	75,692,000	72,380,000
Reinsurance ceded	(176,873,000)	(191,713,000)	(152,469,000)
Net	666,322,000	593,086,000	549,638,000
EARNED
Direct	741,569,000	679,124,000	625,963,000
Reinsurance assumed	78,891,000	77,597,000	66,984,000
Reinsurance ceded	(189,658,000)	(180,150,000)	(154,495,000)
Net amount	630,802,000	576,571,000	538,452,000
LOSSES AND SETTLEMENT EXPENSES INCURRED
Direct	279,358,000	282,859,000	180,768,000
Reinsurance assumed	72,508,000	69,830,000	60,076,000
Reinsurance ceded	(92,065,000)	(81,044,000)	(40,760,000)
Net	$ 259,801,000	$ 271,645,000	$ 200,084,000