Note 19 - Parent Company Financial Information (Details) - Balance Sheet - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
ASSETS
Other assets	$ 20,761	$ 17,319
Total Assets	1,439,443	1,214,598
Liabilities
Accrued expenses	7,049	6,816
Total Liabilities	1,326,068	1,101,787
Shareholders’ Equity
Total Shareholders’ Equity	113,375	112,811	$ 62,899	$ 69,902
Total Liabilities and Shareholders’ Equity	1,439,443	1,214,598
Parent Company [Member]
ASSETS
Cash	2,051	9,471
Corporation-obligated mandatorily redeemable capital securities of subsidiary trust holding junior obligations of the corporation	676	676
Investment in subsidiaries	128,652	121,278
Other assets	4,492	3,880
Total Assets	135,871	135,305
Liabilities
Accrued expenses	20	18
Corporation-obligated mandatorily redeemable securities of subsidiary trust holding solely junior subordinated debentures of the corporation	22,476	22,476
Total Liabilities	22,496	22,494
Shareholders’ Equity
Total Shareholders’ Equity	113,375	112,811	$ 62,899	$ 69,902
Total Liabilities and Shareholders’ Equity	$ 135,871	$ 135,305