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Partially-Owned Leasing Subsidiaries - Narrative (Details) | 9 Months Ended
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Sep. 30, 2019 USD ($) board_member subsidiary
Noncontrolling Interest [Line Items] |
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage | 5.00%
Partially-owned subsidiaries |
Noncontrolling Interest [Line Items] |
Trinity guarantees of subsidiary-related activities | $ | $ 0
Railcar Leasing and Management Services Group | Partially-owned subsidiaries |
Noncontrolling Interest [Line Items] |
Number of subsidiaries | subsidiary | 2
Number of board members | board_member | 7
Number of TILC designated board members | board_member | 2
Partially-owned subsidiaries | Railcar Leasing and Management Services Group |
Noncontrolling Interest [Line Items] |
Carrying value of investment in partially-owned subsidiaries | $ | $ 186,800,000
Weighted average ownership | 38.00%
Weighted average ownership interest by institutional investors | 62.00%

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- Definition Number of subsidiaries. + References No definition available. + 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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- Details
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