Note 16 - Disclosures about Fair Value (Details) - Fair Value of Mortgage Loans - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Fair Value, Inputs, Level 2 [Member]
Note 16 - Disclosures about Fair Value (Details) - Fair Value of Mortgage Loans [Line Items]
Mortgage loans held for sale	$ 111,654	$ 176,511