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Note 10 - Supplemental Disclosures of Cash Flow Information - Supplemental Disclosures of Cash Flow Information (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Interest $ 3,928 $ 3,047
Income taxes (net of refunds received) 0 0
Security purchased but trade not settled 1,002 0
Financial Standby Letter of Credit [Member]    
Agreement to invest in renewable energy tax credit facility $ 3,709 $ 2,000