Note 15 - Financial Derivatives - Not Designated as Hedging (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025
Notional amount	$ 36,000	$ 24,000
Not Designated as Hedging Instrument [Member] \| Spot, Forward, and Swap Contracts with Positive Fair Value [Member]
Notional amount	1,278,782	1,194,638
Fair value	36,224	24,199
Not Designated as Hedging Instrument [Member] \| Spot, Forward, and Swap Contracts with Negative Fair Value [Member]
Notional amount	1,147,546	1,056,592
Fair value	$ (36,156)	$ (24,061)

Nominal or face amount used to calculate payment on derivative.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-1A

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 181
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480401/815-10-55-181

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-1B

Name:	us-gaap_DerivativeNotionalAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant