Note 16 - Commitments and Contingencies (Details) - Mortgage Loan Loss Reserve Activity - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Mortgage Loan Loss Reserve Activity [Abstract]
Balance at beginning of period	$ 1,058	$ 714	$ 810	$ 1,370
Expense provisions	39	42	764	42
Cash payments	(325)		(325)	(237)
Adjustments	(568)	(160)	(1,045)	(579)
Balance at end of period	$ 204	$ 596	$ 204	$ 596