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Acquisitions- Narrative (Details) $ in Thousands							12 Months Ended
Acquisitions- Narrative (Details) $ in Thousands	Jun. 17, 2024 USD ($)	Mar. 13, 2024 USD ($)	Mar. 08, 2024 USD ($)	Jan. 30, 2024 USD ($) shares	Aug. 22, 2023 USD ($)	Apr. 24, 2023 USD ($)	Dec. 31, 2024 USD ($) business	Dec. 31, 2023 USD ($) business	Dec. 31, 2022 USD ($)
Business Acquisition [Line Items]
Number of businesses acquired \| business							4	2
Goodwill							$ 180,478	$ 103,379	$ 91,755
Indiana Auto Auction
Business Acquisition [Line Items]
Cash consideration	$ 51,500
Cash Acquired from Acquisition	5,000
Payments to Acquire Real Estate	14,100
Goodwill	16,200
Intangible assets	13,900
Net assets (liabilities) assumed	$ 21,400
The March 13th, 2024 Acquisition
Business Acquisition [Line Items]
Cash consideration		$ 19,100
Goodwill		14,200
Intangible assets		5,700
Net assets (liabilities) assumed		$ (800)
166 Auto Auction
Business Acquisition [Line Items]
Cash consideration			$ 27,400
Goodwill			7,400
Intangible assets			16,300
Net assets (liabilities) assumed			$ 3,600
Alliance Auto Auctions
Business Acquisition [Line Items]
Cash consideration				$ 66,900
Goodwill				40,412
Intangible assets				$ 32,700
Number of shares \| shares				639,976
Fair value cash consideration				$ 8,600
The August 2023 Acquisition
Business Acquisition [Line Items]
Cash consideration					$ 16,900
Goodwill					6,200
Intangible assets					14,200
Net assets (liabilities) assumed					$ (3,600)
The April 2023 Acquisition
Business Acquisition [Line Items]
Cash consideration						$ 12,500
Goodwill						5,300
Intangible assets						6,000
Net assets (liabilities) assumed						$ 1,200