Cover Page
| Cover Page - USD ($) | 12 Months Ended | ||
| Dec. 31, 2021 | Feb. 28, 2022 | Jun. 30, 2021 | |
| Cover [Abstract] | |||
| Document Type | 10-K/A | ||
| Document Annual Report | true | ||
| Document Period End Date | Dec. 31, 2021 | ||
| Current Fiscal Year End Date | --12-31 | ||
| Document Transition Report | false | ||
| Entity File Number | 001-40297 | ||
| Entity Registrant Name | N-able, Inc. | ||
| Entity Incorporation, State or Country Code | DE | ||
| Entity Tax Identification Number | 85-4069861 | ||
| Entity Address, Address Line One | 30 Corporate Drive | ||
| Entity Address, Address Line Two | Suite 400 | ||
| Entity Address, City or Town | Burlington, | ||
| Entity Address, State or Province | MA | ||
| Entity Address, Postal Zip Code | 01803 | ||
| City Area Code | 781 | ||
| Local Phone Number | 328-6490 | ||
| Title of 12(b) Security | Common stock, $0.001 par value | ||
| Trading Symbol | NABL | ||
| Security Exchange Name | NYSE | ||
| Entity Well-known Seasoned Issuer | No | ||
| Entity Voluntary Filers | No | ||
| Entity Current Reporting Status | Yes | ||
| Entity Interactive Data Current | Yes | ||
| Entity Filer Category | Non-accelerated Filer | ||
| Entity Small Business | false | ||
| Entity Emerging Growth Company | true | ||
| Entity Ex Transition Period | false | ||
| ICFR Auditor Attestation Flag | false | ||
| Entity Shell Company | false | ||
| Entity Public Float | $ 0 | ||
| Entity Common Stock, Shares Outstanding | 179,842,790 | ||
| Documents Incorporated by Reference | . | ||
| Entity Central Index Key | 0001834488 | ||
| Document Fiscal Year Focus | 2021 | ||
| Document Fiscal Period Focus | FY | ||
| Amendment Flag | false |
Audit Information
| Audit Information | 12 Months Ended |
| Dec. 31, 2021 | |
| Auditor [Line Items] | |
| Auditor Location | Austin, Texas |
| Auditor Name | PricewaterhouseCoopers LLP |
| Auditor Firm ID | 238 |