| Document and Entity Information | Sep. 15, 2022 |
| Cover [Abstract] | |
| Entity Registrant Name | STORE CAPITAL Corp |
| Amendment Flag | false |
| Entity Central Index Key | 0001538990 |
| Document Type | 8-K |
| Document Period End Date | Sep. 15, 2022 |
| Entity Incorporation State Country Code | MD |
| Entity File Number | 001-36739 |
| Entity Tax Identification Number | 45-2280254 |
| Entity Address, Address Line One | 8377 East Hartford Drive |
| Entity Address, Address Line Two | Suite 100 |
| Entity Address, City or Town | Scottsdale |
| Entity Address, State or Province | AZ |
| Entity Address, Postal Zip Code | 85255 |
| City Area Code | (480) |
| Local Phone Number | 256-1100 |
| Written Communications | false |
| Soliciting Material | true |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common Stock, $0.01 par value |
| Trading Symbol | STOR |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
