Note 24 - Captive Insurance Company: (Details) - Activity in the Liability for Unpaid Losses and Loss Adjustment Expenses (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Activity in the Liability for Unpaid Losses and Loss Adjustment Expenses [Abstract]
Balance at the beginning of the year	$ 17,602	$ 19,884
Incurred related to:
Current year	7,281	6,679
Prior years	(1,671)	(3,574)
Total incurred	5,610	3,105
Paid related to:
Current year	(1,497)	(475)
Prior years	(3,637)	(4,912)
Total paid	(5,134)	(5,387)
Balance at the end of the year	$ 18,078	$ 17,602