| Cover Page | Aug. 05, 2019 |
| Cover page. | |
| Document Type | 8-K |
| Document Period End Date | Aug. 5, 2019 |
| Entity Registrant Name | Douglas Emmett, Inc. |
| Entity Central Index Key | 0001364250 |
| Amendment Flag | false |
| Entity Incorporation, State or Country Code | MD |
| Entity File Number | 001-33106 |
| Entity Tax Identification Number | 20-3073047 |
| Entity Address, Address Line One | 1299 Ocean Avenue, Suite 1000 |
| Entity Address, City or Town | Santa Monica |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 90401 |
| City Area Code | 310 |
| Local Phone Number | 255-7700 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, $0.01 par value per share |
| Trading Symbol | DEI |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
