| Document and Entity Information | Nov. 09, 2020 |
| Document And Entity Information [Line Items] | |
| Amendment Flag | true |
| Entity Central Index Key | 0001571283 |
| Document Type | 8-K/A |
| Document Period End Date | Nov. 9, 2020 |
| Entity Registrant Name | Rexford Industrial Realty, Inc. |
| Entity Incorporation State Country Code | MD |
| Entity File Number | 001-36008 |
| Entity Tax Identification Number | 46-2024407 |
| Entity Address, Address Line One | 11620 Wilshire Blvd. |
| Entity Address, Address Line Two | Suite 1000 |
| Entity Address, City or Town | Los Angeles |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 90025 |
| City Area Code | (310) |
| Local Phone Number | 996-1680 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Amendment Description | This Current Report on Form 8-K/A (this “Amendment”) amends information disclosed in the Current Report on Form 8-K filed by Rexford Industrial Realty, Inc. (the “Company”) on November 9, 2020 (the “Original Filing”) relating to the Company’s “at the market” offering program. The sole purpose of this Amendment is to correct the list of financial institutions named in the first sentence of the Original Filing. No other changes have been made to the Original Filing and this Amendment should be read in conjunction with the Original Filing. |
| Common Stock [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Common Stock, $0.01 par value |
| Trading Symbol | REXR |
| Security Exchange Name | NYSE |
| Series A Preferred Stock [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | 5.875% Series A Cumulative Redeemable Preferred Stock |
| Trading Symbol | REXR-PA |
| Security Exchange Name | NYSE |
| Series B Preferred Stock [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | 5.875% Series B Cumulative Redeemable Preferred Stock |
| Trading Symbol | REXR-PB |
| Security Exchange Name | NYSE |
| Series C Preferred Stock [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | 5.625 % Series C Cumulative Redeemable Preferred Stock |
| Trading Symbol | REXR-PC |
| Security Exchange Name | NYSE |
