| Cover | Mar. 10, 2023 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Mar. 10, 2023 |
| Entity File Number | 001-36332 |
| Entity Registrant Name | SYNCHRONOSS TECHNOLOGIES, INC. |
| Entity Central Index Key | 0001131554 |
| Entity Tax Identification Number | 20-1968197 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 200 Crossing Boulevard |
| Entity Address, Address Line Two | 3rd Floor |
| Entity Address, City or Town | Bridgewater |
| Entity Address, State or Province | NJ |
| Entity Address, Postal Zip Code | 08807 |
| City Area Code | 866 |
| Local Phone Number | 620-3940 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Common Stock [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Common Stock, par value $.0001 par value |
| Trading Symbol | SNCR |
| Security Exchange Name | NASDAQ |
| 8.375% Senior Notes due 2026 [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | 8.375% Senior Notes due 2026 |
| Trading Symbol | SNCRL |
| Security Exchange Name | NASDAQ |
