Line of Credit Facility, Borrowings in Period

No definition available.

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

Line of Credit Facility, Repayments

+ References

No definition available.

+ Details

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- Definition

Long-term Debt, Net of Unamortized Discount, Gross of Unamortized Debt Issuance Costs

+ References

No definition available.

+ Details

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- Definition

Planned Repayments of Long-Term Debt

+ References

No definition available.

+ Details

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- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 6
-Subparagraph (a)
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- Definition

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

+ References

+ 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

Amount, after accumulated amortization, of debt discount.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
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Balance Type:	debit
Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

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

+ References

+ Details

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- Definition

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.

+ References

+ Details

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Period Type:	instant

- Definition

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

+ References

+ Details

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Debt - Narrative (Details) - USD ($)	Apr. 10, 2019	Mar. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount		$ 300,000	$ 300,000
Corporate
Debt Instrument [Line Items]
Long-term Debt, Net of Unamortized Discount, Gross of Unamortized Debt Issuance Costs		649,700,000	399,700,000
Corporate \| Senior notes
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount		300,000	300,000
Long-term Debt, Net of Unamortized Discount, Gross of Unamortized Debt Issuance Costs		399,700,000	399,700,000
Corporate \| Revolving Credit Facility [Member] \| Line of credit
Debt Instrument [Line Items]
Revolving credit facility		450,000,000.0
Remaining borrowing capacity on revolving credit facility		142,500,000
Line of Credit Facility, Borrowings in Period		400,000,000
Line of Credit Facility, Repayments		150,000,000
Long-term Debt, Net of Unamortized Discount, Gross of Unamortized Debt Issuance Costs		$ 250,000,000	0
Effective annual interest rate yield		1.25%
Line of Credit Facility, Interest Rate at Period End		0.175%
Corporate \| Letter of credit \| Line of credit
Debt Instrument [Line Items]
Used revolving credit facility for letters of credit		$ 57,500,000
TILC [Member] \| Railcar Leasing and Management Services Group \| Revolving Credit Facility [Member] \| Line of credit \| TILC warehouse facility
Debt Instrument [Line Items]
Effective annual interest rate yield		4.16%
Long-term Line of Credit		$ 600,500,000	374,800,000
Wholly-owned subsidiaries \| Railcar Leasing and Management Services Group \| 2018 Secured Railcar Equipment Notes [Domain]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount		200,000	200,000
Wholly-owned subsidiaries \| Railcar Leasing and Management Services Group \| TRIHC 2018 Secured Railcar Equipment Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount		2,100,000	$ 2,500,000
Wholly-owned subsidiaries \| Railcar Leasing and Management Services Group \| Revolving Credit Facility [Member] \| Line of credit \| TILC warehouse facility
Debt Instrument [Line Items]
TILC warehouse loan, unused portion		$ 149,500,000
Trinity Rail Leasing 2019 [Domain] [Domain] \| Secured Debt [Member] \| Revolving Credit Facility [Member] \| 2019 Secured Railcar Equipment Notes [Domain] [Domain]
Debt Instrument [Line Items]
Planned Repayments of Long-Term Debt	$ 125,000,000
Trinity Rail Leasing 2019 [Domain] [Domain] \| Secured Debt [Member] \| TILC warehouse facility \| 2019 Secured Railcar Equipment Notes [Domain] [Domain]
Debt Instrument [Line Items]
Planned Repayments of Long-Term Debt	347,000,000
Trinity Rail Leasing 2019 [Domain] [Domain] \| Secured Debt [Member] \| 2019 Secured Railcar Equipment Notes [Domain] [Domain] \| 2019 Secured Railcar Equipment Notes [Domain] [Domain]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 528,300,000
Debt Instrument, Interest Rate, Stated Percentage	3.82%
Minimum \| Corporate \| Revolving Credit Facility [Member] \| Line of credit
Debt Instrument [Line Items]
Line of Credit Facility, Interest Rate at Period End		0.175%
Maximum \| Corporate \| Revolving Credit Facility [Member] \| Line of credit
Debt Instrument [Line Items]
Line of Credit Facility, Interest Rate at Period End		0.30%