Note 9 - Leases - Lease Payments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating cash flows from operating leases	$ 7,268	$ 6,830	$ 6,996
Operating cash flows from finance leases	67	71	54
Financing cash flows from finance leases	703	828	242
Total cash paid for amounts included in the measurement of lease liabilities	$ 8,038	$ 7,729	$ 7,292