Note 10 - Leases (Details Textual) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Mar. 31, 2023
Assets [Abstract]
Buildings and Equipment, Gross	$ 537,921	$ 537,131
Number of Financing Leases		3
Number of Operating Leases			2
Financing Leases, Depreciation Expense	1,100
Finance Lease, Interest Payment on Liability	300
Deferred Costs, Leasing, Net	100
Operating Lease, Right-of-Use Asset	$ 675	$ 712
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Buildings and Equipment, Gross	Buildings and Equipment, Gross
Minimum [Member]
Lessee, Operating Lease, Remaining Lease Term (Month)	4 months
Maximum [Member]
Lessee, Operating Lease, Remaining Lease Term (Month)	8 years