Note 2. Investment Securities: Realized Gain (Loss) on Investments (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Available for sale Securities Gross Realized Gain Loss Excluding Other Than Temporary Impairments	$ 5,203	$ 7,637	$ 17,841
Trading Securities, Realized Gain (Loss)	(1,653)	506	1,619
Marketable Securities, Realized Gain (Loss), Excluding Other than Temporary Impairments	3,550	8,143	19,460
Trading Securities, Change in Unrealized Holding Gain (Loss)	(452)	(451)	94
Marketable Securities, Unrealized Gain (Loss), Excluding Other than Temporary Impairments	(452)	(451)	94
Gain (Loss) on Sale of Other Investments	(4)	(4)	196
Net realized investment gains	3,094	7,688	19,750
Debt Securities
Available for sale Securities Gross Realized Gain Loss Excluding Other Than Temporary Impairments	3,533	7,642	17,664
COMMON STOCK
Available for sale Securities Gross Realized Gain Loss Excluding Other Than Temporary Impairments	1,519	$ (5)
Nonredeemable Preferred Stock
Available for sale Securities Gross Realized Gain Loss Excluding Other Than Temporary Impairments	$ 151		$ 177

This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=49167202&loc=d3e26805-111562

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This item represents the net total realized and unrealized gain (loss) included in earnings for the period as a result of selling or holding marketable securities categorized as trading, available-for-sale, or held-to-maturity, including the unrealized holding gain (loss) of held-to-maturity securities transferred to the trading security category and the cumulative unrealized gain (loss) which was included in other comprehensive income (a separate component of shareholders' equity) for available-for-sale securities transferred to trading securities during the period. Additionally, this item would include any gains (losses) realized during the period from the sale of investments accounted for under the cost method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
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-Paragraph 1
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The difference between the book value and the sale price of other nonspecific investments. This element is used when other, more specific, elements are not appropriate. This element refers to the gain (loss) included in earnings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
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This item represents the total realized gain (loss) included in earnings for the period as a result of selling marketable securities categorized as trading, available-for-sale, or held-to-maturity.

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This item represents the total unrealized gain (loss) included in earnings for the period as a result of holding marketable securities categorized as trading, including the unrealized holding gain (loss) of held-to-maturity securities transferred to the trading security category and the cumulative unrealized gain (loss) which was included in other comprehensive income (a separate component of shareholders' equity) for available-for-sale securities transferred to trading securities during the period.

+ References

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Amount of gain (loss) realized from securities classified as trading.

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-Publisher FASB
-Name Accounting Standards Codification
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Amount of unrealized holding gain (loss) recognized in the income statement for investments in debt and equity securities and other forms of securities that provide ownership interests classified as trading.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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