Note 9 - Other Borrowings and Subordinated Debentures (Details) - Debt Components (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Note 9 - Other Borrowings and Subordinated Debentures (Details) - Debt Components [Line Items]
Trust preferred securities, due 12/30/2033, floating rate of 2.80% above the three month LIBOR rate, reset quarterly, callable without penalty	$ 20,620	$ 20,620
Total other borrowings and subordinated debentures	96,607	110,061
FHLB Advances [Member]
Note 9 - Other Borrowings and Subordinated Debentures (Details) - Debt Components [Line Items]
FHLB advances, due 2013 to 2033, 0.35% to 8.41% secured by real estate loans	75,987	89,441
Trust Preferred Securities Due 12/30/2033 Floating Rate of 2.8% Above Three Month LIBOR 1 [Member]
Note 9 - Other Borrowings and Subordinated Debentures (Details) - Debt Components [Line Items]
Trust preferred securities, due 12/30/2033, floating rate of 2.80% above the three month LIBOR rate, reset quarterly, callable without penalty	$ 20,620	$ 20,620