| Document And Entity Information | 9 Months Ended |
| Sep. 30, 2022 | |
| Document Information Line Items | |
| Entity Registrant Name | SPRUCE POWER HOLDING CORP |
| Document Type | POS AM |
| Amendment Flag | true |
| Amendment Description | This Post-Effective Amendment No. 2 is being filed by Spruce Power Holding Corporation to convert the Registration Statement on Form S-1 (Registration No. 333-252089), which originally became effective on January 22, 2021, into a Registration Statement on Form S-3. This Post- Effective Amendment No. 2 also contains an updated prospectus so that the information contained or incorporated therein is current as of the date of filing.No additional securities are being registered under this Post-Effective Amendment No. 2 and all applicable registration and filing fees were paid at the time of the original filing of the Registration Statement. |
| Entity Central Index Key | 0001772720 |
| Entity Filer Category | Large Accelerated Filer |
| Entity Small Business | false |
| Entity Emerging Growth Company | false |
| Entity Incorporation, State or Country Code | DE |
