Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
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Amount of increase (decrease) to previously recorded tax expense. Includes, but is not limited to, significant settlements of income tax disputes, and unusual tax positions or infrequent actions taken by the entity, including tax assessment reversal, and IRS tax settlement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-SubTopic 10
-Section 25
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Note 9 - Quarterly Results for 2015, 2016 and 2017 (Unaudited) (Details Textual) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Tax Expense (Benefit)	$ 5,000		$ 9,760	$ 5,260	$ 5,830
Tax Adjustments, Settlements, and Unusual Provisions	$ 4,000		$ 4,000
Reclassification from APIC to Income Tax Expense [Member] \| Three Months Ended March 31, 2016 [Member]
Prior Period Reclassification Adjustment		$ 200
Reclassification from APIC to Income Tax Expense [Member] \| Three Months Ended June 30, 2016 [Member]
Prior Period Reclassification Adjustment		200
Reclassification from APIC to Income Tax Expense [Member] \| Three Months Ended September 30, 2016 [Member]
Prior Period Reclassification Adjustment		$ 100