Note 24 - Captive Insurance Company: (Details) - Activity in the Liability for Unpaid Losses and Loss Adjustment Expenses - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Activity in the Liability for Unpaid Losses and Loss Adjustment Expenses [Abstract]
Balance at the beginning of the year	$ 18,078	$ 17,602
Incurred related to:
Current year	7,469	7,281
Prior years	652	(1,671)
Total incurred	8,121	5,610
Paid related to:
Current year	(1,214)	(1,497)
Prior years	(4,939)	(3,637)
Total paid	(6,153)	(5,134)
Balance at the end of the year	$ 20,046	$ 18,078