| Cover Page | Jan. 15, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Jan. 15, 2021 |
| Entity Registrant Name | LendingClub Corporation |
| Entity File Number | 001-36771 |
| Entity Incorporation, State or Country Code | DE |
| Entity Tax Identification Number | 51-0605731 |
| Entity Address, Address Line One | 595 Market Street, Suite 200, |
| Entity Address, City or Town | San Francisco, |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 94105 |
| City Area Code | (415) |
| Local Phone Number | 632-5600 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Title of 12(b) Security | Common stock, par value $0.01 per share |
| Trading Symbol | LC |
| Security Exchange Name | NYSE |
| Entity Central Index Key | 0001409970 |
| Amendment Flag | false |
