Borrowings on Warehouse Loan Facility

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- Definition

Line of Credit Facility, Remaining Borrowing Capacity Exclusive of Current Restrictions

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- Definition

Repayments on Warehouse Loan Facility

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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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.

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No definition available.

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- Definition

Gross amount of debt extinguished.

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No definition available.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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- Definition

The effective interest rate at the end of the reporting period.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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- Definition

The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Debt - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
Debt - Narrative (Details) - USD ($) $ in Millions	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Debt Instrument [Line Items]
Loss on extinguishment of debt	$ 0.0	$ 0.0	$ 1.5	$ 11.7
Corporate Segment [Member] \| Senior Notes [Member] \| 4.55% Senior Notes Due October 2024 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.55%		4.55%
Corporate Segment [Member] \| Revolving Credit Facility [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Current Borrowing Capacity	$ 450.0		$ 450.0
Proceeds from Lines of Credit			545.0
Repayments of Lines of Credit			485.0
Line of Credit Facility, Remaining Borrowing Capacity	385.1		385.1
Line of Credit Facility, Maximum Borrowing Capacity	$ 264.1		$ 264.1
Debt Instrument, Basis Spread on Variable Rate	2.35%
Debt Instrument, Interest Rate, Effective Percentage	5.34%		5.34%
Line of Credit Facility, Interest Rate at Period End	0.35%		0.35%
Corporate Segment [Member] \| Letter of Credit [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Letters of Credit Outstanding, Amount	$ 4.9		$ 4.9
TILC [Member] \| Railcar Leasing and Management Services Group [Member] \| Secured Debt [Member] \| TRL-2022 Series 2022-1 Class A Green Secured Railcar Equipment Notes
Debt Instrument [Line Items]
Proceeds from Issuance of Debt			209.9
TILC [Member] \| Railcar Leasing and Management Services Group [Member] \| Revolving Credit Facility [Member] \| Line of Credit [Member] \| TILC Warehouse Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 142.1		$ 142.1
Debt Instrument, Interest Rate, Effective Percentage	4.48%		4.48%
Debt Instrument, Face Amount	$ 1,000.0		$ 1,000.0
Borrowings on Warehouse Loan Facility			554.1
Repayments on Warehouse Loan Facility			387.7
Line of Credit Facility, Remaining Borrowing Capacity Exclusive of Current Restrictions	$ 271.8		$ 271.8
Wholly-owned subsidiaries \| Railcar Leasing and Management Services Group [Member] \| Secured Debt [Member] \| TRL-2022 Series 2022-1 Class A Green Secured Railcar Equipment Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.55%		4.55%
Debt Instrument, Face Amount	$ 244.8		$ 244.8
Payments of Debt Issuance Costs			$ 2.6
TRIP Holdings [Member] \| Railcar Leasing and Management Services Group [Member] \| Secured Debt [Member] \| Tribute Rail Class A Secured Railcar Equipment Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.76%		4.76%
Debt Instrument, Face Amount	$ 290.0		$ 290.0
TRIP Holdings [Member] \| Railcar Leasing and Management Services Group [Member] \| Secured Debt [Member] \| Tribute Rail Class B Secured Railcar Equipment Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.75%		5.75%
Debt Instrument, Face Amount	$ 37.0		$ 37.0
TRIP Holdings [Member] \| Railcar Leasing and Management Services Group [Member] \| Secured Debt [Member] \| Tribute Rail Secured Railcar Equipment Notes
Debt Instrument [Line Items]
Payments of Debt Issuance Costs			3.4
TRIP Holdings [Member] \| Railcar Leasing and Management Services Group [Member] \| Secured Debt [Member] \| TRIP Railcar Co Term Loan
Debt Instrument [Line Items]
Extinguishment of Debt, Amount			$ 319.4
Minimum \| Corporate Segment [Member] \| Revolving Credit Facility [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Interest Rate at Period End	0.175%		0.175%
Maximum \| Corporate Segment [Member] \| Revolving Credit Facility [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Interest Rate at Period End	0.40%		0.40%