SCHEDULE VI SUPPLEMENTAL INFORMATION CONCERNING PROPERTY/CASUALTY INSURANCE OPERATIONS (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Supplemental Information for Property, Casualty Insurance Underwriters [Line Items]
Deferred policy acquisition costs	$ 3,091		$ 4,578		$ 4,826
Reserves for unpaid claims and claim adjustment expenses	455,454		421,556		344,520
Discount if any deducted in Column C	6,118	[1]	6,642	[1]	6,463	[1]
Unearned premiums	37,273		39,919		29,819
Earned premiums	237,461		244,570		214,738
Net investment income	9,930		10,729		11,335
Claims and claim adjustment expenses incurred related to current year	147,964		225,251		154,775
Claims and claim adjustment expense incurred related to prior years	(9,875)		(9,696)		(8,823)
Amortization of deferred policy acquisition costs	41,957		40,712		34,048
Paid claims and claims adjustment expense	138,945		144,092		130,576
Net premiums written	$ 233,678		$ 248,483		$ 218,645
Loss reserve discounted present value cash flow pretax interest rate utilized	3.50%		3.50%		3.50%

[1] Loss reserves on certain reinsurance assumed and permanent total disability worker's compensation claims have been discounted to present value using pretax interest rates not exceeding 3.5%.