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Related Party Transactions
 12 Months Ended
Dec. 31, 2025
Related Party Transactions [Abstract]  
Related Party Transactions Related Party Transactions
The Company's related party transactions include transactions with certain entities associated with the Company and BX Aggregators.
As discussed in “Note 6—Variable Interest Entities and Equity Method Investments”, the Company had related party revenue from certain unconsolidated joint ventures.
As discussed in "Note 4—Acquisitions" and "Note 10—Fair Value Measurements", in connection with certain business acquisitions, a portion of the contingent consideration was transferred to certain sellers who became members of management of the Company.
As discussed in “Note 8—Leases”, the Company has various lease agreements with entities owned by members of its management team and/or Parent interests holders.
As discussed in “Note 9—Debt”, a portion of the Company's term loan is held by entities associated with the Company and BX Aggregators. As discussed in “Note 9—Debt”, the Company issued certain related party promissory notes in connection with certain acquisitions.
As discussed in “Note 16—Tax Receivable Agreement”, the Company entered into the TRA with TRA Members, which are related parties.