Note 10 - Borrowed Funds (Detail) - Maturity and Rate Schedule for FHLB Advances (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Advance Amount (in Dollars)	$ 112,500	$ 137,500
December 1, 2011 [Member]
Advance Amount (in Dollars)		25,000
Rate (%)		1.15%
December 4, 2012 [Member]
Advance Amount (in Dollars)	37,500	37,500
Rate (%)	1.70%	1.70%
December 4, 2013 [Member]
Advance Amount (in Dollars)	25,000	25,000
Rate (%)	2.28%	2.28%
December 18, 2013 [Member]
Advance Amount (in Dollars)	50,000	50,000
Rate (%)	2.37%	2.37%
Total [Member]
Advance Amount (in Dollars)	$ 112,500	$ 137,500
Rate (%)	2.13%	1.95%