Note 5. Investments (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Other Than Temporary Impairment Losses Investments Portion Recognized in Earnings Available For Sale Securities Debt Securities Credit Losses	$ 189	$ 89	$ 179

The amount of other than temporary impairment losses on investments in debt securities categorized as available-for-sale which have been recognized in earnings during the period consisting of credit losses on investments in debt securities considered to be other than temporary. Excludes amounts recognized in earnings due to the entity's change in intent to sell an impaired debt security.

No definition available.

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Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration