Document and Entity Information
| Document and Entity Information | Aug. 24, 2021 |
| Cover [Abstract] | |
| Amendment Flag | true |
| Entity Central Index Key | 0001837014 |
| Current Fiscal Year End Date | --12-31 |
| Document Type | 8-K/A |
| Document Period End Date | Aug. 24, 2021 |
| Entity Registrant Name | SmartRent, Inc. |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-39991 |
| Entity Tax Identification Number | 85-4218526 |
| Entity Address, Address Line One | 18835 N Thompson Peak |
| Entity Address, Address Line Two | Parkway |
| Entity Address, Address Line Three | Suite 300 |
| Entity Address, City or Town | Scottsdale |
| Entity Address, State or Province | AZ |
| Entity Address, Postal Zip Code | 85255 |
| City Area Code | (844) |
| Local Phone Number | 479-1555 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Class A common stock, par value $0.0001 per share |
| Trading Symbol | SMRT |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Amendment Description | This Amendment No. 1 on Form 8-K/A (this “Form 8-K/A”) is an amendment to the Current Report on Form 8-K of SmartRent, Inc. (the “Company”), filed on August 30, 2021 (the “Original Form 8-K”). Following the initial filing of the Original Form 8-K, the registrant discovered certain scrivener’s errors in the Beneficial Ownership Table included in Item 2.01. The registrant is filing this Form 8-K/A to correct the scrivener’s errors. No other changes to the Original Form 8-K have been made. |