| Document and Entity Information | Feb. 26, 2021 |
| Cover [Abstract] | |
| Amendment Flag | false |
| Entity Central Index Key | 0001385280 |
| Document Type | 8-K |
| Document Period End Date | Feb. 26, 2021 |
| Entity Registrant Name | Cinemark Holdings, Inc. |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-33401 |
| Entity Tax Identification Number | 20-5490327 |
| Entity Address, Address Line One | 3900 Dallas Parkway |
| Entity Address, City or Town | Plano |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 75093 |
| City Area Code | 972 |
| Local Phone Number | 665.1000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common Stock |
| Trading Symbol | CNK |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
