Note 10 - Leases (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Jan. 01, 2019
Operating Lease, Liability, Total	$ 20,180		$ 19,508
Operating Lease, Right-of-Use Asset	18,029	$ 19,321	$ 17,613
Operating Lease, Liability, Current	1,775	1,832
Operating Lease, Liability, Noncurrent	18,405	19,569
Operating Lease, Expense	4,302	4,396
Finance Lease, Expense	1,379	829
Finance Lease, Right-of-Use Asset, Amortization	984	619
Operating Lease, Right-of-Use Asset, Amortization Expense	$ 270	$ 291
Minimum [Member]
Lessee, Lease Term of Contract (Year)	3 years
Maximum [Member]
Lessee, Lease Term of Contract (Year)	15 years