v3.26.1
Cover - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Mar. 19, 2026
Jun. 30, 2025
Cover [Abstract]      
Document type 10-K    
Document annual report true    
Document period end date Dec. 31, 2025    
Current fiscal year end date --12-31    
Document transition report false    
Entity file number 001-38971    
Entity registrant name Spruce Power Holding Corporation    
Entity incorporation, state or country code DE    
Entity tax identification number 83-4109918    
Entity address, address line one 820 Gessner Rd, Suite 500    
Entity address, city or town Houston    
Entity address, state or province TX    
Entity address, postal zip code 77024    
City area code (866)    
Local phone number 777-8235    
Title of 12(b) security Shares of common stock, $0.0001 par value    
Trading symbol SPRU    
Security exchange name NYSE    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity current reporting status Yes    
Entity interactive data current Yes    
Entity filer category Non-accelerated Filer    
Entity small business true    
Entity emerging growth company false    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction false    
Entity shell company false    
Entity Public Float     $ 31.6
Entity common stock, shares outstanding   18,168,863  
Documents Incorporated by Reference
Portions of the Proxy Statement for the 2026 Annual Meeting of the Stockholders of the registrant are incorporated by reference into Part III of this report.
    
Entity Central Index Key 0001772720    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2025    
Amendment Flag false