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No definition available.

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Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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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.

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Related Party Transactions - Lease Agreements (Details) $ in Millions	1 Months Ended		3 Months Ended		9 Months Ended
	Mar. 31, 2025 renewalOption	May 31, 2024 renewalOption	Sep. 30, 2026 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2026 USD ($) renewalOption	Sep. 30, 2025 USD ($)	Nov. 30, 2014 center
Related Party Transaction [Line Items]
Total operating lease costs \| $			$ 19	$ 15	$ 55	$ 49
Building
Related Party Transaction [Line Items]
Operating lease, number of renewal options					1
DriveTime Automotive Group, Inc. \| Blue Mound, Texas \| Related Party
Related Party Transaction [Line Items]
Number of inspection and reconditioning centers leased \| center							2
Operating lease, number of renewal options	2
Operating leases, renewal term	5 years
DriveTime Automotive Group, Inc. \| Delanco, New Jersey \| Related Party
Related Party Transaction [Line Items]
Operating lease, number of renewal options	0
DriveTime Automotive Group, Inc. \| Winder, Georgia \| Related Party \| Building \| Lease Agreement for Fully-Operational Inspection and Reconditioning Center
Related Party Transaction [Line Items]
Operating lease, number of renewal options		2
Operating leases, renewal term		5 years
Verde Investments, Inc. and DriveTime Automotive Group Inc. \| Related Party \| Lease Agreement for Fully-Operational Inspection and Reconditioning Center
Related Party Transaction [Line Items]
Total operating lease costs \| $			$ 1	$ 1	$ 2	$ 2