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Derivative Instruments and Fair Value Accounting Derivative Effect on Interest (Details) - Interest Expense [Member] - Designated as Hedging Instrument [Member] - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Interest Rate Swap, Expired, 2018 Secured Railcar Equipment Notes [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative Instrument, Gain (Loss) Reclassified from AOCI into Income, Effective Portion, Statement of Income or Comprehensive Income [Extensible Enumeration] |  | Interest Income (Expense), Net | Interest Income (Expense), Net | Interest Income (Expense), Net | Interest Income (Expense), Net
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net |  | $ 0.2 |  | $ 0.2 |
Interest Rate Swap, Expired, TRIP Holdings Warehouse Loan [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative Instrument, Gain (Loss) Reclassified from AOCI into Income, Effective Portion, Statement of Income or Comprehensive Income [Extensible Enumeration] |  | Interest Income (Expense), Net | Interest Income (Expense), Net | Interest Income (Expense), Net | Interest Income (Expense), Net
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] |  |  |  |  |
Derivative Instrument, Gain (Loss) Reclassified from AOCI into Income, Effective Portion, Statement of Income or Comprehensive Income [Extensible Enumeration] |  | Interest Income (Expense), Net | Interest Income (Expense), Net | Interest Income (Expense), Net | Interest Income (Expense), Net
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net |  | $ 0.7 |  | $ 0.7 |
Interest Rate Cap [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative Instrument, Gain (Loss) Reclassified from AOCI into Income, Effective Portion, Statement of Income or Comprehensive Income [Extensible Enumeration] |  | Interest Income (Expense), Net | Interest Income (Expense), Net | Interest Income (Expense), Net | Interest Income (Expense), Net
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net |  | $ (0.1) |  | $ (0.1) |
Interest Rate Swap, 2017 Promissory Notes |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative Instrument, Gain (Loss) Reclassified from AOCI into Income, Effective Portion, Statement of Income or Comprehensive Income [Extensible Enumeration] |  | Interest Income (Expense), Net | Interest Income (Expense), Net | Interest Income (Expense), Net | Interest Income (Expense), Net
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net | [1] | $ (11.3) |  | $ (11.3) |
Interest Rate Swap, TRL-2023 Term Loan |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative Instrument, Gain (Loss) Reclassified from AOCI into Income, Effective Portion, Statement of Income or Comprehensive Income [Extensible Enumeration] |  | Interest Income (Expense), Net | Interest Income (Expense), Net | Interest Income (Expense), Net | Interest Income (Expense), Net
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net | [1] | $ (4.2) |  | $ (4.2) |
[1] | Based on the fair value of open hedges as of September 30, 2023.

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- Definition Indicates line item in statement of income or comprehensive income that includes gain (loss) from effective portion of derivative instrument reclassified from accumulated other comprehensive income (AOCI) into income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4D -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4D + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The estimated net amount of unrealized gains or losses on interest rate cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480870/815-30-50-1 + Details
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