Note 8 - Income Taxes - Tax Effects of Temporary Differences Related to Deferred Taxes Included in Other Liabilities: (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Deferred tax assets:
Loans acquired	$ 7,986	$ 14,716
Allowance for loan losses	14,754	12,700
Valuation of foreclosed assets	3,958	11,212
Tax NOLs from acquisition	13,077	14,593
Deferred compensation payable	2,785	2,767
Vacation compensation	1,740	2,250
Accrued equity and other compensation	6,367	5,197
Acquired securities	1,098	1,770
Other accrued liabilities	1,834	1,943
Unrealized loss on available-for-sale securities	9,559	1,655
Other	5,267	3,006
Gross deferred tax assets	68,425	71,809
Deferred tax liabilities:
Goodwill and other intangible amortization	(29,601)	(30,550)
Limitations under IRC Sec 382		(3,478)
Accumulated depreciation	(5,370)	(3,914)
Other	(5,877)	(4,187)
Gross deferred tax liabilities	(40,848)	(42,129)
Net deferred tax asset, included in other assets	$ 27,577	$ 29,680