| Cover | Nov. 11, 2021 |
| Entity Information [Line Items] | |
| Document Type | 8-K |
| Document Period End Date | Nov. 11, 2021 |
| Entity Registrant Name | LIVEVOX HOLDINGS, INC. |
| Entity Incorporation, State Country Name | DE |
| Entity File Number | 001-38825 |
| Entity Tax Identification Number | 82-3447941 |
| Entity Address, Address Line One | 655 Montgomery Street, |
| Entity Address, Address Line Two | Suite 1000 |
| Entity Address, City or Town | San Francisco |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 94111 |
| City Area Code | 844 |
| Local Phone Number | 207-6663 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Entity Central Index Key | 0001723648 |
| Amendment Flag | false |
| Common Class A | |
| Entity Information [Line Items] | |
| Title of 12(b) Security | Class A common stock, par value $0.0001 per share |
| Trading Symbol | LVOX |
| Security Exchange Name | NASDAQ |
| Warrant | |
| Entity Information [Line Items] | |
| Title of 12(b) Security | Redeemable Warrants, each whole Warrant exercisable to purchase one share of Class A common stock at an exercise price of $11.50 |
| Trading Symbol | LVOXW |
| Security Exchange Name | NASDAQ |
| Units | |
| Entity Information [Line Items] | |
| Title of 12(b) Security | Units, each consisting of one share of Class A common stock and one-half of one redeemable Warrant |
| Trading Symbol | LVOXU |
| Security Exchange Name | NASDAQ |
