Note 16 - Commitments and Contingencies - Mortgage Loan Loss Reserve Activity (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Balance at beginning of period	$ 160	$ 1,058	$ 201	$ 810
Expense provisions	6	39	6	764
Adjustments		(568)	(41)	(1,045)
Balance at end of period	$ 166	$ 204	$ 166	$ 204