Statutory Reporting and Insurance Subsidiaries Dividend Restrictions Level 4 (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Statutory Accounting Practices [Line Items]
Cash Dividends Paid to Parent Company by Consolidated Subsidiaries	$ 231	$ 2,783
Combined statutory capital and surplus of the Company's insurance subsidiaries	61,181	53,885
Required minimum statutory capital and surplus	19,500	15,300
Amount available for ordinary dividends of the Company's insurance subsidiaries	4,228	4,500
Ordinary dividends paid to the parent compary by insurance company subsidiaries [Member]
Statutory Accounting Practices [Line Items]
Cash Dividends Paid to Parent Company by Consolidated Subsidiaries	231	2,783
Extraordinary dividends paid to the parent compary by insurance company subsidiaries [Member]
Statutory Accounting Practices [Line Items]
Cash Dividends Paid to Parent Company by Consolidated Subsidiaries	$ 0	$ 0