Note 18 - Intangible Assets and Goodwill (Details) - Estimated Amortization Expense of Core Deposit Intangibles - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Note 18 - Intangible Assets and Goodwill (Details) - Estimated Amortization Expense of Core Deposit Intangibles [Line Items]
Total	$ 6,224	$ 7,223
Core Deposits [Member]
Note 18 - Intangible Assets and Goodwill (Details) - Estimated Amortization Expense of Core Deposit Intangibles [Line Items]
2016	258
2017	68
2018	50
Total	$ 376	$ 1,375