v3.20.2

Organization and Background (Details) $ / shares in Units, $ in Millions |  | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jun. 08, 2020 USD ($) agreement $ / shares shares | Jun. 30, 2019 USD ($) | Jun. 30, 2020 USD ($) office segment | Jun. 30, 2019 USD ($) | Dec. 31, 2019 USD ($) agreement office | Dec. 31, 2018 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |  |  |  |  |
Repurchase of shares, value |  | $ 11.9 |  |  |  |
Merger consideration payable |  |  | $ 24.0 | $ 0.3 |  |
Conversion ratio | 0 |  |  |  |  |
Number of tax receivable agreements | agreement | 2 |  |  |  |  |
Number of subsidiaries, corporations | segment |  |  | 2 |  |  |
ZoomInfo HoldCo |  |  |  |  |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |  |  |  |  |
Ownership of consolidated entity (as a percent) |  |  | 98.00% |  |  |
Blocker Mergers |  |  |  |  |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |  |  |  |  |
Merger consideration payable | $ 5.5 |  |  |  |  |
IPO | Class A common stock |  |  |  |  |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |  |  |  |  |
Number of shares sold | shares | 51,175,000 |  |  |  |  |
Public offering price (in dollars per share) | $ / shares | $ 21.00 |  |  |  |  |
Net proceeds | $ 1,019.6 |  |  |  |  |
U.S. |  |  |  |  |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |  |  |  |  |
Number of offices | office |  |  | 6 |  |  |
Israel |  |  |  |  |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |  |  |  |  |
Number of offices | office |  |  | 1 |  |  |
DiscoverOrg Holdings |  |  |  |  |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |  |  |  |  |
Repurchase of shares, value |  |  |  |  | $ 5.6 |
Merger consideration payable |  |  |  |  | $ 0.3 | $ 0.0
Number of subsidiaries, partnerships | agreement |  |  |  |  | 2 |
Number of subsidiaries, limited liability companies | agreement |  |  |  |  | 11 |
Number of subsidiaries, corporations | agreement |  |  |  |  | 2 |
Number of subsidiaries, foreign entities | agreement |  |  |  |  | 1 |
DiscoverOrg Holdings | U.S. |  |  |  |  |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |  |  |  |  |
Number of offices | office |  |  |  |  | 7 |
DiscoverOrg Holdings | Israel |  |  |  |  |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |  |  |  |  |
Number of offices | office |  |  |  |  | 1 |
ZoomInfo HoldCo |  |  |  |  |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |  |  |  |  |
Number of shares repurchased | shares | 48,528,783 |  |  |  |  |
Repurchase of shares, value | $ 966.9 |  |  |  |  |
ZoomInfo HoldCo | OpCo |  |  |  |  |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |  |  |  |  |
Ownership of non-consolidated entity (as a percent) |  |  | 39.00% |  |  |
OpCo |  |  |  |  |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |  |  |  |  |
Number of shares repurchased | shares | 2,370,948 |  |  |  |  |
Repurchase of shares, value | $ 47.2 |  |  |  |  |

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