Note 6 - Investments Available For Sale Securities, Proceeds and Gains (Losses) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Proceeds received from redemptions	$ 4,985	$ 538	$ 5,815
Proceeds from sales of fixed-maturity investments available for sale	19,672	17,185	30,966
Proceeds received from sales	0	0	31,235
Fixed Maturities [Member]
Schedule of Available-for-sale Securities [Line Items]
Proceeds received from redemptions	4,985	538	5,815
Proceeds from sales of fixed-maturity investments available for sale	19,672	17,185	30,966
Gross investment gains from sales and redemptions	99	1,078	3,018
Gross investment losses from sales and redemptions	(1,698)	(141)	(292)
Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Proceeds received from sales	0	10,503	31,235
Gross investment gains from sales and redemptions	$ 0	$ 348	$ 5,070

This item represents the gross profit 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 50

-Paragraph 9

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563

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This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

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+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 45

-Paragraph 11

-URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26853-111562

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

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-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585

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+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

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