Note 15. Reinsurance (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Reinsurance Premiums for Insurance Companies, by Product Segment, Amount Ceded to Other Companies	$ 8,243	$ 9,533	$ 12,720
IHCAffiliatedEntityMember
Reinsurance Premiums for Insurance Companies, by Product Segment, Amount Ceded to Other Companies	$ 1,835,000	$ 1,250,000	$ 1,718,000