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Schedule IV Reinsurance (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Reinsurance Premiums for Insurance Companies, by Product Segment [Line Items]
Direct Premiums Earned	$ 890,487	$ 796,253	$ 762,428
Ceded Premiums Earned	72,101	53,700	38,740
Assumed Premiums Earned	12,508	(3,571)	32,337
Net premiums earned-insurance	$ 830,894	$ 738,982	$ 756,025
Premiums, Percentage Assumed to Net	1.51%	(0.48%)	4.28%

Amount of earned premiums ceded to other entities.

Amount, after premiums ceded to other entities and premiums assumed by the entity, of premiums earned.