COMMITMENTS AND CONTINGENCIES (DETAILS 2)	12 Months Ended
	Dec. 31, 2013 broker	Dec. 31, 2012	Dec. 31, 2011
Reinsurance Recoverable On Unpaid And Paid Losses [Member] | Credit Risk Concentration [Member] | Reinsurer 1 [Member]
Concentration Risk [Line Items]
Concentration risk, percentage of total	14.00%	13.00%
Reinsurance Recoverable On Unpaid And Paid Losses [Member] | Credit Risk Concentration [Member] | Reinsurer 2 [Member]
Concentration Risk [Line Items]
Concentration risk, percentage of total	11.00%	10.00%
Reinsurance Recoverable On Unpaid And Paid Losses [Member] | Credit Risk Concentration [Member] | Reinsurer 3 [Member]
Concentration Risk [Line Items]
Concentration risk, percentage of total	11.00%	10.00%
Reinsurance Recoverable On Unpaid And Paid Losses [Member] | Credit Risk Concentration [Member] | Top Ten Reinsurers [Member] | AM Best A Plus [Member]
Concentration Risk [Line Items]
Concentration risk, percentage of total	77.00%	72.00%
Gross Premiums Written [Member] | Customer Concentration [Member]
Concentration Risk [Line Items]
Concentration risk, percentage of total	61.00%	61.00%	63.00%
Concentration risk, number of brokers exceeding threshold	3
Gross Premiums Written [Member] | Customer Concentration [Member] | Aon Corporation [Member]
Concentration Risk [Line Items]
Concentration risk, percentage of total	26.00%	27.00%	27.00%
Gross Premiums Written [Member] | Customer Concentration [Member] | Marsh, Inc. [Member]
Concentration Risk [Line Items]
Concentration risk, percentage of total	23.00%	22.00%	23.00%
Gross Premiums Written [Member] | Customer Concentration [Member] | Willis Group Holdings Ltd. [Member]
Concentration Risk [Line Items]
Concentration risk, percentage of total	12.00%	12.00%	13.00%