Segment Information (Details 2) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
Segment Information (Details 2) - USD ($) $ in Millions	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Geographic Information
Operating revenues	$ 481.7	$ 443.8	$ 941.8	$ 873.7
Long-lived assets	1,733.5		1,733.5		$ 1,770.9
U.S.
Geographic Information
Operating revenues	272.6	$ 257.4	542.9	$ 529.4
Long-lived assets	$ 987.8		$ 987.8		1,006.1
Foreign
Geographic Information
Percent of foreign revenue from Canada	53.00%	52.00%	53.00%	53.00%
Operating revenues	$ 209.1	$ 186.4	$ 398.9	$ 344.3
Long-lived assets	$ 745.7		$ 745.7		$ 764.8

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details

OPENLANE, Inc. 10-Q