| Cover Page Statement | Nov. 04, 2020 | Aug. 04, 2020 |
| Cover Page [Abstract] | ||
| Entity Central Index Key | 0001409970 | |
| Title of 12(b) Security | Common stock, par value $0.01 per share | |
| Entity Emerging Growth Company | false | |
| Written Communications | false | |
| Document Period End Date | Nov. 4, 2020 | |
| Entity Address, Address Line One | 595 Market Street, Suite 200, | |
| Entity Incorporation, State or Country Code | DE | |
| Entity File Number | 001-36771 | |
| Entity Registrant Name | LendingClub Corporation | |
| Document Type | 8-K | |
| Entity Tax Identification Number | 51-0605731 | |
| 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 | |
| Soliciting Material | false | |
| Pre-commencement Tender Offer | false | |
| Pre-commencement Issuer Tender Offer | false | |
| Trading Symbol | LC | |
| Security Exchange Name | NYSE | |
| Amendment Flag | false |
