XML 57 R47.htm IDEA: XBRL DOCUMENT
v3.22.2

Equity-Based Compensation - 2020 Incentive Plans (Details) - 2020 Incentive Plan $ in Thousands | Jun. 30, 2022 USD ($) shares
--- | ---
Equity-Based Compensation |
Number of units authorized (in units) | shares | 20,000,000
Authorized amount | $ | $ 1,000,000

X
- Definition Amount of shares authorized for issuance under share-based payment arrangement. + References No definition available. + Details
Name: | cert_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesAuthorizedAmount
Namespace Prefix: | cert_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares authorized for issuance under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_PlanNameAxis=cert_IncentivePlan2020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |