Note 19 - Parent Company Financial Statements (Details) - Condensed Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Jan. 09, 2009
Assets
Cash and cash equivalents	$ 68,253	$ 95,855	$ 94,309	$ 182,056
Other assets	44,559	38,787
Total assets	1,809,555	1,807,232
Liabilities
Dividends payable	188	188
Subordinated notes payable to unconsolidated trusts	48,970	48,970
Other liabilities	23,124	25,863
Total liabilities	1,639,500	1,639,211
Shareholders’ Equity
Preferred stock					28,000
Common stock	935	934
Capital surplus	51,102	50,934
Retained earnings	91,242	79,747
Accumulated other comprehensive (loss) income	(3,212)	6,869
Total shareholders’ equity	170,055	168,021	157,057	149,896
Total liabilities and shareholders’ equity	1,809,555	1,807,232
Parent Company [Member]
Assets
Cash and cash equivalents	36,471	24,776	18,362	16,249
Investment in subsidiaries	185,668	196,406
Other assets	851	862
Total assets	222,990	222,044
Liabilities
Dividends payable	188	188
Subordinated notes payable to unconsolidated trusts	48,970	48,970
Other liabilities	3,777	4,865
Total liabilities	52,935	54,023
Shareholders’ Equity
Preferred stock	29,988	29,537
Common stock	935	934
Capital surplus	51,102	50,934
Retained earnings	91,242	79,747
Accumulated other comprehensive (loss) income	(3,212)	6,869
Total shareholders’ equity	170,055	168,021
Total liabilities and shareholders’ equity	$ 222,990	$ 222,044