v3.25.2
Derivative Instruments and Fair Value Accounting Derivative Effect on Interest (Details) - Designated as Hedging Instrument [Member] - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 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 $ 0.0   $ 0.0  
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 0.0   0.0  
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 0.0   0.0  
Interest Rate Swap, 2017 Promissory Notes - Expired [Member]        
Derivative Instruments and Hedging Activities Disclosures [Line Items]        
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net (2.3)   (2.3)  
Interest Rate Swap, TRL-2023 Term Loan - Expired [Member]        
Derivative Instruments and Hedging Activities Disclosures [Line Items]        
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net 1.2   1.2  
Forward Interest Rate Swap, TILC - Expired [Member]        
Derivative Instruments and Hedging Activities Disclosures [Line Items]        
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net 1.2   1.2  
Interest Rate Swap, TRL-2023 Term Loan - Open        
Derivative Instruments and Hedging Activities Disclosures [Line Items]        
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net [1] $ (3.0)   $ (3.0)  
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 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 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 Income (Expense), Operating Interest Income (Expense), Operating
Interest Expense [Member] | Interest Rate Swap, 2017 Promissory Notes - Expired [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 Income (Expense), Operating Interest Income (Expense), Operating
Interest Expense [Member] | Interest Rate Swap, TRL-2023 Term Loan - Expired [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 Income (Expense), Operating Interest Income (Expense), Operating
Interest Expense [Member] | Forward Interest Rate Swap, TILC - Expired [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 Income (Expense), Operating Interest Income (Expense), Operating
Interest Expense [Member] | Interest Rate Swap, TRL-2023 Term Loan - Open        
Derivative Instruments and Hedging Activities Disclosures [Line Items]        
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Interest Income (Expense), Operating [2] Interest Income (Expense), Operating Interest Income (Expense), Operating [2] Interest Income (Expense), Operating
[1] Based on the fair value of open hedges as of June 30, 2025
[2] Includes changes in fair value related to the amortization of the initial off-market fair value.