| Document and Entity Information | Mar. 03, 2025 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Mar. 03, 2025 |
| Entity File Number | 001-40003 |
| Entity Registrant Name | loanDepot, Inc. |
| Entity Central Index Key | 0001831631 |
| Entity Incorporation, State or Country Code | DE |
| Entity Tax Identification Number | 85-3948939 |
| Entity Address, Address Line One | 6561 Irvine Center Drive |
| Entity Address, City or Town | Irvine |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 92618 |
| City Area Code | 888 |
| Local Phone Number | 337-6888 |
| Title of 12(b) Security | Class A Common Stock, $0.001 Par Value |
| Trading Symbol | LDI |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
