XML 29 R8.htm IDEA: XBRL DOCUMENT
v3.25.0.1

CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Statement of Cash Flows [Abstract] |  |  |
Repayment of sellers' floor plan notes payable | $ 212.5 | $ 24.3 | $ 51.3

X
- Definition Repayment of sellers' floor plan notes payable + References No definition available. + Details
Name: | pag_RepaymentOfSellersFloorPlanNotesPayable
Namespace Prefix: | pag_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_StatementOfCashFlowsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration