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Note 10 - Comprehensive Income (Loss) - Accumulated Other Comprehensive Income (Loss) (Details) (Parentheticals) - Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
AOCI tax, balance	$ 2,579	$ 4,576
OCI before reclassifications, tax	(687)
Reclassification from AOCI, tax	$ (1,310)

X

- Definition

Amount of tax expense (benefit) allocated to accumulated other comprehensive income (loss) attributable to parent.

+ References

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Amount of tax expense (benefit) allocated to other comprehensive income (loss) before reclassification adjustment from accumulated other comprehensive income (loss).

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