v3.26.3
Note 11 - Fair Value Measurements - Quantitative Information (Details) - Fair Value, Inputs, Level 3 [Member]
$ in Millions
Sep. 30, 2026
USD ($)
yr
Dec. 31, 2025
USD ($)
yr
Estimated Undiscounted Cash Outflows [Member] | Secured Debt [Member] | Minimum [Member]    
Measurement input | $ 0.0 0.0
Estimated Undiscounted Cash Outflows [Member] | Secured Debt [Member] | Weighted Average [Member]    
Measurement input | $ 68.3 70.8
Estimated Undiscounted Cash Outflows [Member] | Secured Debt [Member] | Maximum [Member]    
Measurement input | $ 202.0 150.3
Estimated Undiscounted Cash Outflows [Member] | Unsecured Debt [Member] | Minimum [Member]    
Measurement input | $ 0.0 0.0
Estimated Undiscounted Cash Outflows [Member] | Unsecured Debt [Member] | Weighted Average [Member]    
Measurement input | $ 7.8 8.1
Estimated Undiscounted Cash Outflows [Member] | Unsecured Debt [Member] | Maximum [Member]    
Measurement input | $ 10.8 10.8
Measurement Input, Expected Term [Member] | Secured Debt [Member] | Minimum [Member]    
Measurement input | yr 0.8 0.5
Measurement Input, Expected Term [Member] | Secured Debt [Member] | Weighted Average [Member]    
Measurement input | yr 3.8 3.7
Measurement Input, Expected Term [Member] | Secured Debt [Member] | Maximum [Member]    
Measurement input | yr 5.8 4.5
Measurement Input, Expected Term [Member] | Unsecured Debt [Member] | Minimum [Member]    
Measurement input | yr 0.8 0.5
Measurement Input, Expected Term [Member] | Unsecured Debt [Member] | Weighted Average [Member]    
Measurement input | yr 1.7 1.5
Measurement Input, Expected Term [Member] | Unsecured Debt [Member] | Maximum [Member]    
Measurement input | yr 5.8 3
Estimated Probabilities [Member] | Secured Debt [Member] | Minimum [Member]    
Measurement input 0.10 0.15
Estimated Probabilities [Member] | Secured Debt [Member] | Weighted Average [Member]    
Measurement input 0.12 0.21
Estimated Probabilities [Member] | Secured Debt [Member] | Maximum [Member]    
Measurement input 0.25 0.30
Estimated Probabilities [Member] | Unsecured Debt [Member] | Minimum [Member]    
Measurement input 0.10 0.15
Estimated Probabilities [Member] | Unsecured Debt [Member] | Weighted Average [Member]    
Measurement input 0.13 0.21
Estimated Probabilities [Member] | Unsecured Debt [Member] | Maximum [Member]    
Measurement input 0.25 0.30