XML 41 R30.htm IDEA: XBRL DOCUMENT
v3.26.1

Other Income (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2026
Other Income and Expenses [Abstract] |
Schedule Of Other Income [Table Text Block] | Other income consists of the following:
(In millions) | For the Three Months Ended June 30, |  | For the Six Months Ended June 30,
| 2026 |  | 2025 |  | 2026 |  | 2025
Ancillary product profit sharing | $ | 7.9 |  |  | $ | 7.5 |  |  | $ | 17.0 |  |  | $ | 16.2 |
Interest | 5.0 |  |  | 7.8 |  |  | 9.8 |  |  | 16.2 |
Remarketing fees | 3.5 |  |  | 3.3 |  |  | 7.6 |  |  | 6.7 |
Other | 0.2 |  |  | 0.4 |  |  | 0.6 |  |  | 0.8 |
Total | $ | 16.6 |  |  | $ | 19.0 |  |  | $ | 35.0 |  |  | $ | 39.9 |
Disaggregation of Revenue [Table Text Block] | The following table disaggregates our other income by major source of income and timing of the revenue recognition:
(In millions) | For the Three Months Ended June 30, 2026 |  |
| Ancillary Product Profit Sharing |  | Interest |  | Remarketing Fees |  |  |  |  |  | Other |  | Total Other Income |  |  |  |
Source of Income |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Third-Party Providers | $ | 7.9 |  |  | $ | 5.0 |  |  | $ | — |  |  |  |  |  |  | $ | 0.1 |  |  | $ | 13.0 |  |  |  |  |
Dealers | — |  |  | — |  |  | 3.5 |  |  |  |  |  |  | 0.1 |  |  | 3.6 |  |  |  |  |
Total | $ | 7.9 |  |  | $ | 5.0 |  |  | $ | 3.5 |  |  |  |  |  |  | $ | 0.2 |  |  | $ | 16.6 |  |  |  |  |
Timing of Revenue Recognition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Over time | $ | 7.9 |  |  | $ | 5.0 |  |  | $ | — |  |  |  |  |  |  | $ | — |  |  | $ | 12.9 |  |  |  |  |
At a point in time | — |  |  | — |  |  | 3.5 |  |  |  |  |  |  | 0.2 |  |  | 3.7 |  |  |  |  |
Total | $ | 7.9 |  |  | $ | 5.0 |  |  | $ | 3.5 |  |  |  |  |  |  | $ | 0.2 |  |  | $ | 16.6 |  |  |  |  |
(In millions) | For the Six Months Ended June 30, 2026
| Ancillary Product Profit Sharing |  | Interest |  | Remarketing Fees |  |  |  |  |  | Other |  | Total Other Income
Source of Income |  |  |  |  |  |  |  |  |  |  |  |  |
Third-Party Providers | $ | 17.0 |  |  | $ | 9.8 |  |  | $ | — |  |  |  |  |  |  | $ | 0.2 |  |  | $ | 27.0 |
Dealers | — |  |  | — |  |  | 7.6 |  |  |  |  |  |  | 0.4 |  |  | 8.0 |
Total | $ | 17.0 |  |  | $ | 9.8 |  |  | $ | 7.6 |  |  |  |  |  |  | $ | 0.6 |  |  | $ | 35.0 |
Timing of Revenue Recognition |  |  |  |  |  |  |  |  |  |  |  |  |
Over time | $ | 17.0 |  |  | $ | 9.8 |  |  | $ | — |  |  |  |  |  |  | $ | 0.1 |  |  | $ | 26.9 |
At a point in time | — |  |  | — |  |  | 7.6 |  |  |  |  |  |  | 0.5 |  |  | 8.1 |
Total | $ | 17.0 |  |  | $ | 9.8 |  |  | $ | 7.6 |  |  |  |  |  |  | $ | 0.6 |  |  | $ | 35.0 |

X
- Definition Schedule Of Other Income [Table Text Block] + References No definition available. + Details
Name: | cacc_ScheduleOfOtherIncomeTableTextBlock
Namespace Prefix: | cacc_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details
Name: | us-gaap_DisaggregationOfRevenueTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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