Note 15 - Concentrations of Credit Risk (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Credit Concentration Risk [Member] | Commercial Real Estate Loans [Member]
Note 15 - Concentrations of Credit Risk (Details) [Line Items]
Concentration Risk, Percentage	52.00%	52.00%
Credit Concentration Risk [Member] | College Housing and Professional Office Buildings [Member]
Note 15 - Concentrations of Credit Risk (Details) [Line Items]
Concentration Risk, Percentage	32.00%	29.00%
Credit Concentration Risk [Member] | Residential [Member]
Note 15 - Concentrations of Credit Risk (Details) [Line Items]
Concentration Risk, Percentage	24.00%	24.00%
Credit Concentration Risk [Member] | Automobile [Member]
Note 15 - Concentrations of Credit Risk (Details) [Line Items]
Concentration Risk, Percentage	2.00%	2.00%
Commercial Real Estate Loans [Member]
Note 15 - Concentrations of Credit Risk (Details) [Line Items]
Concentration Risk, Credit Risk, Financial Instrument, Maximum Exposure (in Dollars)	$ 311,266	$ 304,308
College Housing and Professional Office Buildings [Member]
Note 15 - Concentrations of Credit Risk (Details) [Line Items]
Concentration Risk, Credit Risk, Financial Instrument, Maximum Exposure (in Dollars)	190,866	171,186
Residential [Member]
Note 15 - Concentrations of Credit Risk (Details) [Line Items]
Concentration Risk, Credit Risk, Financial Instrument, Maximum Exposure (in Dollars)	145,499	143,262
Automobile [Member]
Note 15 - Concentrations of Credit Risk (Details) [Line Items]
Concentration Risk, Credit Risk, Financial Instrument, Maximum Exposure (in Dollars)	$ 11,580	$ 11,764