Note 5 - Leases (Details Textual) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Finance Lease, Liability	$ 44.1
Fixed Assets, Net [Member]
Finance Lease, Right-of-Use Asset, after Accumulated Amortization	48.8	$ 41.2
Short-term Debt and Current Portion of Long-term Debt and Long-term Debt [Member]
Finance Lease, Liability	$ 44.1	$ 34.5

Present value of lessee's discounted obligation for lease payments from finance lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-6

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-1

Name:	us-gaap_FinanceLeaseLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant