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Represents the ownership interest acquired by the entity during the period.

No definition available.

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Per the partnership agreement, the number of members on the advisory committee the Company is entitled to.

No definition available.

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The number of vehicles sold.

No definition available.

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Per the partnership agreement, the number of members on the advisory committee.

No definition available.

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Per the partnership agreement, the previous number of members on the advisory committee.

No definition available.

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Represents the partnership interest as a percent that my be transferred without complying with the right of first offer to remaining partners.

No definition available.

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The pro rata quarterly distribution rate.

No definition available.

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The sale of the equity method investment.

No definition available.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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For an unclassified balance sheet, amounts due from related parties including affiliates, employees, joint ventures, officers and stockholders, immediate families thereof, and pension funds.

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Carrying amount as of the balance sheet date of obligations due all related parties.

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This element represents the aggregate cost of investments accounted for under the equity method of accounting.

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Amount of dividend income on nonoperating securities.

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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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Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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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.

No definition available.

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Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=pag_PenskeCorporationAndAffiliatesMember
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Name:	dei_LegalEntityAxis=pag_MitsuiAndCoMember
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