| Cover Page | Jun. 03, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Jun. 3, 2021 |
| Entity Registrant Name | CareTrust REIT, Inc. |
| Entity Central Index Key | 0001590717 |
| Amendment Flag | false |
| Entity Incorporation, State or Country Code | MD |
| Entity File Number | 001-36181 |
| Entity Tax Identification Number | 46-3999490 |
| City Area Code | 949 |
| Local Phone Number | 542-3130 |
| Entity Address, Address Line One | 905 Calle Amanecer |
| Entity Address, Address Line Two | Suite 300 |
| Entity Address, City or Town | San Clemente |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 92673 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, par value $0.01 per share |
| Trading Symbol | CTRE |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
