Note 5 - Loans (Details) - Loans to Related Parties - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Loans to Related Parties [Abstract]
Balance at beginning of year	$ 83,812	$ 126,985
Additional loans made	54,975	76,610
Payment received	(47,167)	(119,783)
Balance at end of year	$ 91,620	$ 83,812