v3.26.1
Fair Value (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Unrealized Gain (Loss) on Investments $ (0.2) $ (0.1)  
Level 1 [Member] | Money Market Funds [Member]      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Investments, Fair Value Disclosure 0.3   $ 0.8
Level 2 [Member] | Money Market Funds [Member]      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Investments, Fair Value Disclosure 0.0   0.0
Level 3 [Member] | Money Market Funds [Member]      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Investments, Fair Value Disclosure 0.0   0.0
Estimate of Fair Value Measurement [Member] | Money Market Funds [Member]      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Investments, Fair Value Disclosure $ 0.3   $ 0.8