Note 25 - Captive Insurance Company - Activity in the Liability for Unpaid Losses and Loss Adjustment Expenses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Balance at the beginning of the year	$ 18,965	$ 19,515
Incurred related to current year	5,236	5,915
Incurred related to prior years	(2,653)	(727)
Total incurred	2,583	5,188
Paid related to current year	(683)	(742)
Paid related to prior years	(4,735)	(4,996)
Total paid	(5,418)	(5,738)
Balance at the end of the year	$ 16,130	$ 18,965