Note 5 - Loans - Loans to Related Parties (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Balance at beginning of year	$ 91,620	$ 83,812
Additional loans made	62,206	54,975
Payment received	(102,499)	(47,167)
Balance at end of year	$ 51,327	$ 91,620