v3.25.1
Derivative Instruments and Fair Value Accounting Derivative Effect on Interest (Details) - Designated as Hedging Instrument [Member] - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Interest Rate Swap, Expired, 2018 Secured Railcar Equipment Notes [Member]    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net $ 0.1  
Interest Rate Swap, Expired, Tribute Rail Secured Railcar Equipment Notes    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net 0.2  
Interest Rate Cap [Member]    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net (0.1)  
Interest Rate Swap, 2017 Promissory Notes    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net [1] (4.0)  
Interest Rate Swap, TRL-2023 Term Loan    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net [1] (0.3)  
Forward Interest Rate Swap, TILC    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net [1] $ 0.2  
Interest Expense [Member] | Interest Rate Swap, Expired, 2018 Secured Railcar Equipment Notes [Member]    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Interest Income (Expense), Operating Interest Income (Expense), Operating
Interest Expense [Member] | Interest Rate Swap, Expired, Tribute Rail Secured Railcar Equipment Notes    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Interest Income (Expense), Operating Interest Income (Expense), Operating
Interest Expense [Member] | Interest Rate Cap [Member]    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Interest Income (Expense), Operating Interest Income (Expense), Operating
Interest Expense [Member] | Interest Rate Swap, 2017 Promissory Notes    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Interest Income (Expense), Operating Interest Income (Expense), Operating
Interest Expense [Member] | Interest Rate Swap, TRL-2023 Term Loan    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Interest Income (Expense), Operating Interest Income (Expense), Operating
Interest Expense [Member] | Forward Interest Rate Swap, TILC    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Interest Income (Expense), Operating Interest Income (Expense), Operating
[1] Based on the fair value of open hedges as of March 31, 2025.