Note 23 - Defined Benefit Plan - Changes in Projected Benefit Obligation, Plan Assets and Funded Status (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Benefit obligation at beginning of period	$ 26,165	$ 36,995
Interest cost	982	1,052
Settlement payments	(25,480)	0
Actuarial gain	(189)	(9,781)
Benefit payments	(1,478)	(2,101)
Benefit obligation at end of period	0	26,165
Fair value of plan assets at beginning of period	40,586	43,653
Actual return on plan assets	1,299	(966)
Excess assets transfer	(14,927)	0
Settlement payments	(25,480)	0
Benefit payments	(1,478)	(2,101)
Fair value of plan assets at end of period	0	40,586
Funded status at end of period (included in Accounts and notes receivable)	0	14,421
Accumulated benefit obligation	0	26,165
Net gain recognized in Accumulated other comprehensive income	$ 267	$ 10,581