| Cover | Nov. 08, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Nov. 8, 2021 |
| Entity Registrant Name | CLOVER HEALTH INVESTMENTS, CORP. /DE |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-39252 |
| Entity Tax Identification Number | 98-1515192 |
| Entity Address, Address Line One | 3401 Mallory Lane |
| Entity Address, Address Line Two | Suite 210 |
| Entity Address, City or Town | Franklin |
| Entity Address, State or Province | TN |
| Entity Address, Postal Zip Code | 37067 |
| City Area Code | 201 |
| Local Phone Number | 432-2133 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Class A Common Stock, par value $0.0001 per share |
| Trading Symbol | CLOV |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Amendment Flag | false |
| Entity Central Index Key | 0001801170 |
| Entity Addresses [Line Items] | |
| Entity Address, Address Line One | 3401 Mallory Lane |
| Entity Address, Address Line Two | Suite 210 |
| Entity Address, City or Town | Franklin |
| Entity Address, State or Province | TN |
| Entity Address, Postal Zip Code | 37067 |
| Former Address | |
| Cover [Abstract] | |
| Entity Address, Address Line One | 725 Cool Springs Boulevard |
| Entity Address, Address Line Two | Suite 320 |
| Entity Address, City or Town | Franklin |
| Entity Address, State or Province | TN |
| Entity Address, Postal Zip Code | 37067 |
| Entity Addresses [Line Items] | |
| Entity Address, Address Line One | 725 Cool Springs Boulevard |
| Entity Address, Address Line Two | Suite 320 |
| Entity Address, City or Town | Franklin |
| Entity Address, State or Province | TN |
| Entity Address, Postal Zip Code | 37067 |
