Represents the amount the reporting entity is obliged to pay to co-obligor.

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The maximum amount of contingent obligation expressed as a percentage of interests payments.

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No definition available.

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The maximum amount of contingent obligation expressed as a percentage of the required principal repayment.

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- Definition

The percentage of expenses relating to the debt obligation due to the co-obligor as a result of the change in ownership and subsequent relief of debt obligation.

+ References

No definition available.

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Represents the percentage which the reporting entity has agreed to indemnify a third party for payments the third party is required to pay as co-obligor of debt.

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No definition available.

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- Definition

The percentage of interest and principal due to the co-obligor as a result of the change in ownership and subsequent relief of debt obligation.

+ References

No definition available.

+ Details

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- Definition

The amount of prepayment of the obligation related to the guarantee of indebtedness.

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No definition available.

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- Definition

Percentage of ownership interest purchased in the stock transaction.

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No definition available.

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Surety bonds posted.

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No definition available.

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- Definition

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

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
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Contractual interest rate for funds borrowed, under the debt agreement.

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-Name Accounting Standards Codification
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- Definition

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

+ References

No definition available.

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- Definition

The number of units or percentage investment held by one or more members or limited partners of the LLC or LP.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
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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.

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Commitments and Contingent Liabilities - Other (Details) - USD ($) $ in Thousands				1 Months Ended			12 Months Ended
	Oct. 02, 2017	Jul. 27, 2016	Jul. 26, 2016	Jul. 31, 2016	Jun. 30, 2016	Mar. 31, 2015	Dec. 31, 2017
Commitments and Contingent Liabilities
Ownership interest in Penske Truck Leasing Co (as a percent)				23.40%	9.00%		28.90%
Letters of credit outstanding							$ 33,400
Surety bonds posted							25,900
Holdings \| Holdings Bond
Commitments and Contingent Liabilities
Senior unsecured notes issued							$ 700,000
Senior subordinated convertible notes, interest rate (as a percent)							3.80%
Percentage of interest and principal due to the co-obligor as a result of the change in ownership and subsequent relief of debt obligation						50.10%
Percentage of expenses relating to the debt obligation due to the co-obligor as a result of the change in ownership and subsequent relief of debt obligation						100.00%
PTL
Commitments and Contingent Liabilities
Ownership interest in Penske Truck Leasing Co (as a percent)		23.40%	9.00%				28.90%
Mitsui and Co
Commitments and Contingent Liabilities
Purchase of ownership interest						20.00%
Mitsui and Co \| PTL
Commitments and Contingent Liabilities
Ownership interest in Penske Truck Leasing Co (as a percent)							30.00%
Penske Corporation \| PTL
Commitments and Contingent Liabilities
Ownership interest in Penske Truck Leasing Co (as a percent)							41.10%
Guarantee of Indebtedness of Others \| GEC
Commitments and Contingent Liabilities
Percentage of interest agreed to indemnify if GEC required to make any payments of principal or interest							9.00%
Annual fee pay for acting as co-obligor							$ 950
Maximum amount of contingent obligation expressed as a percentage of the required principal repayment							9.00%
Maximum amount of contingent obligation expressed as a percentage of interest payments							9.00%
Amount of prepayment of obligation related to guarantee of indebtedness	$ 63,800