| Document and Entity Information | Nov. 14, 2022 |
| Entity Listings [Line Items] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Nov. 14, 2022 |
| Entity File Number | 001-40814 |
| Entity Registrant Name | Modiv Inc. |
| Entity Central Index Key | 0001645873 |
| Entity Incorporation, State or Country Code | MD |
| Entity Tax Identification Number | 47-4156046 |
| Entity Address, Address Line One | 120 Newport Center Drive |
| Entity Address, City or Town | Newport Beach |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 92660 |
| City Area Code | 888 |
| Local Phone Number | 686-6348 |
| Entity Emerging Growth Company | false |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Class C Common Stock, $0.001 par value per share [Member] | |
| Entity Listings [Line Items] | |
| Title of 12(b) Security | Class C Common Stock, $0.001 par value per share |
| Trading Symbol | MDV |
| Security Exchange Name | NYSE |
| 7.375% Series A Cumulative Redeemable Perpetual Preferred [Member] | |
| Entity Listings [Line Items] | |
| Title of 12(b) Security | 7.375% Series A Cumulative Redeemable Perpetual Preferred |
| Trading Symbol | MDV.PA |
| Security Exchange Name | NYSE |
