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Note 11 - Leases (Details Textual) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2024	Dec. 31, 2023
Finance Lease, Right-of-Use Asset, after Accumulated Amortization		$ 4.6	$ 6.4
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]		Property, Plant and Equipment, Net	Property, Plant and Equipment, Net
Leased Office Facility [Member]
Operating Lease, Right-of-Use Asset		$ 40.0	$ 41.2
Impairment of Long-Lived Assets to be Disposed of	$ 7.5

X

- Definition

Amount, after accumulated amortization, of right-of-use asset from finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
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+ Details

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Balance Type:	debit
Period Type:	instant

X

- Definition

Indicates line item in statement of financial position that includes finance lease right-of-use asset.

+ References

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-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
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X

- Definition

The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

+ References

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X

- Definition

Amount of lessee's right to use underlying asset under operating lease.

+ References

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-Section 45
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X

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