| Cover | Apr. 22, 2020 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Apr. 22, 2020 |
| Current Fiscal Year End Date | --12-31 |
| Entity File Number | 001-16753 |
| Entity Registrant Name | AMN HEALTHCARE SERVICES, INC. |
| Entity Central Index Key | 0001142750 |
| Entity Tax Identification Number | 06-1500476 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 8840 Cypress Waters Boulevard |
| Entity Address, Address Line Two | Suite 300 |
| Entity Address, City or Town | Dallas |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 75019 |
| City Area Code | 866 |
| Local Phone Number | 871-8519 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, par value $0.001 per share |
| Trading Symbol | AMN |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
