XML 106 R88.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Subsequent Events (Details) - USD ($) shares in Thousands, $ in Millions |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Feb. 16, 2022 | Feb. 15, 2022 | Sep. 30, 2019 | Dec. 31, 2021
Subsequent Event [Line Items] |  |  |  |
Options granted |  |  |  | 2,677
Zentrick NV |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Payment of contingent consideration | $ 5.6 |  |  |
Restricted Stock Units (RSUs) |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Granted |  |  | 37 | 2,406
Subsequent Event |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Payment of contingent consideration | $ 5.6 |  |  |
Subsequent Event | 2021 Omnibus Equity Incentive Plan | Stock options |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Options granted |  | 289 |  |
Subsequent Event | 2021 Omnibus Equity Incentive Plan | Restricted Stock Units (RSUs) |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Granted |  | 375 |  |

X
- Definition Amount of cash outflow, made soon after acquisition date of business combination, to settle contingent consideration liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentForContingentConsiderationLiabilityInvestingActivities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=dvh_ZentrickNvMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_RestrictedStockUnitsRSUMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=dvh_OmnibusEquityIncentivePlan2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |