Note 17 - Disclosures about Fair Value (Details) - Fair Value of Mortgage Loans (Fair Value, Inputs, Level 2 [Member], USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Fair Value, Inputs, Level 2 [Member]
Note 17 - Disclosures about Fair Value (Details) - Fair Value of Mortgage Loans [Line Items]
Mortgage loans held for sale	$ 70,885	$ 124,184