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Note 10 - Comprehensive Income (Loss) - Reclassification Out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
NON-OPERATING (EXPENSE) INCOME	$ (4,704)	$ 935	$ 632	$ (879)	$ 384	$ 2,767	$ 650	$ 2,052	$ (4,016)	$ 5,853	$ 1,485
Total before tax									31,341	14,631	17,772
Tax expense	1,883	3,129	2,005	330	(28,895)	2,169	1,004	1,454	(7,347)	24,268	(6,671)
NET INCOME	$ 6,070	$ 9,248	$ 7,289	$ 1,387	$ 31,561	$ 3,446	$ 1,609	$ 2,283	23,994	38,899	$ 11,101
Reclassification out of Accumulated Other Comprehensive Income [Member]
Total before tax										3,343
Tax expense										(1,310)
NET INCOME										2,033
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]
NON-OPERATING (EXPENSE) INCOME										3,385
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Other-than-Temporary Impairment Attributable to Parent [Member]
NON-OPERATING (EXPENSE) INCOME										$ (42)

X

- Definition

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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