Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to bank owned life insurance expense.

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Note 15 - Income Taxes - Reconciliation of Statutory Federal Tax Rate and Effective Tax Rate From Continuing Operations (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
Federal income tax at the statutory rate, amount									$ 9,475	$ 14,739	$ 13,281
Federal income tax at the statutory rate									21.00%	35.00%	35.00%
State income tax, net of federal benefit, amount									$ 1,016	$ 692	$ 598
State income tax, net of federal benefit									2.25%	1.64%	1.58%
Total effective income tax rate reconciliation, amount									$ 10,491	$ 15,431	$ 13,879
Total effective income tax rate reconciliation									23.25%	36.64%	36.58%
Tax-exempt interest income, amount									$ (702)	$ (1,228)	$ (1,336)
Tax-exempt interest income									(1.56%)	(2.92%)	(3.52%)
Nondeductible goodwill impairment and disposition, amount									$ 569		$ 340
Nondeductible goodwill impairment and disposition									1.26%	0.00%	0.89%
Bank owned life insurance, amount									$ (144)	$ (478)	$ (335)
Bank owned life insurance									(0.32%)	(1.13%)	(0.88%)
Deferred tax revaluation, amount									$ (1,669)	$ 6,552
Deferred tax revaluation									(3.70%)	15.56%	0.00%
Other items, net, amount									$ 237	$ 351	$ 271
Other items, net									0.53%	0.83%	0.71%
Total income tax expense	$ 2,596	$ 1,118	$ 2,500	$ 2,568	$ 10,720	$ 3,894	$ 2,959	$ 3,055	$ 8,782	$ 20,628	$ 12,819
Income tax at the effective tax rate									19.46%	48.98%	33.78%