Note 8 - Income Taxes (Detail) - Schedule of Deferred Taxes (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Deferred tax assets
Loans acquired	$ 5,616	$ 7,150
FDIC true-up liability	1,564	1,341
Allowance for loan losses	11,115	11,457
Valuation of foreclosed assets	807	393
Deferred compensation payable	1,606	1,591
FHLB advances	477	547
Vacation compensation	1,050	1,052
Accumulated depreciation	54
Loan interest	767	767
Other	558	522
Total deferred tax assets	23,614	24,820
Deferred tax liabilities
Accumulated depreciation		(189)
Deferred loan fee income and expenses, net	(2,056)	(1,742)
FHLB stock dividends	(327)	(430)
Goodwill and core deposit premium amortization	(10,457)	(9,725)
FDIC indemnification asset	(13,744)	(18,703)
Available-for-sale securities	(324)	(283)
Other	(2,766)	(569)
Total deferred tax liabilities	(29,674)	(31,641)
Net deferred tax liabilities included in other liabilities on balance sheets	$ (6,060)	$ (6,821)