| Document And Entity Information | Aug. 18, 2022 |
| Document Information [Line Items] | |
| Entity, Registrant Name | Canterbury Park Holding Corporation |
| Document, Type | 8-K |
| Document, Period End Date | Aug. 18, 2022 |
| Entity, Incorporation, State or Country Code | MN |
| Entity, File Number | 001-37858 |
| Entity, Tax Identification Number | 47-5349765 |
| Entity, Address, Address Line One | 1100 Canterbury Road |
| Entity, Address, City or Town | Shakopee |
| Entity, Address, State or Province | MN |
| Entity, Address, Postal Zip Code | 55379 |
| City Area Code | 952 |
| Local Phone Number | 445-7223 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock |
| Trading Symbol | CPHC |
| Security Exchange Name | NASDAQ |
| Entity, Emerging Growth Company | false |
| Amendment Flag | false |
| Entity, Central Index Key | 0001672909 |
