| Cover | Feb. 28, 2023 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Feb. 28, 2023 |
| Entity Registrant Name | ACCEL ENTERTAINMENT, INC. |
| Entity Central Index Key | 0001698991 |
| Amendment Flag | false |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-38136 |
| Entity Tax Identification Number | 98-1350261 |
| Entity Address, Address Line One | 140 Tower Drive |
| Entity Address, City or Town | Burr Ridge |
| Entity Address, State or Province | IL |
| Entity Address, Postal Zip Code | 60527 |
| City Area Code | 630 |
| Local Phone Number | 972-2235 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Class A-1 common stock, par value $0.0001 per share |
| Trading Symbol | ACEL |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
