XML 45 R35.htm IDEA: XBRL DOCUMENT
v3.20.2

Organization and Basis of Presentation (Details) $ / shares in Units, $ in Millions | 1 Months Ended
--- | ---
Sep. 30, 2019 USD ($) $ / shares shares
Class A common stock |
Class of Stock [Line Items] |
Conversion of redeemable convertible preferred stock to common stock upon initial public offering (in shares) | 31,381,152
Series D, Redeemable Convertible Preferred Stock |
Class of Stock [Line Items] |
Conversion of redeemable convertible preferred stock to common stock upon initial public offering (in shares) | (31,381,152)
Series A, Series B, And Series C, Redeemable Convertible Preferred Stock |
Class of Stock [Line Items] |
Conversion of redeemable convertible preferred stock to common stock upon initial public offering (in shares) | (134,276,690)
Class B common stock |
Class of Stock [Line Items] |
Conversion of redeemable convertible preferred stock to common stock upon initial public offering (in shares) | 134,276,690
Initial Public Offering | Class A common stock |
Class of Stock [Line Items] |
Shares issued in initial public offering (in shares) | 40,250,000
Aggregate proceeds received from initial public offering, net of underwriters' discounts and commissions | $ | $ 565.0
Underwriters' Option | Class A common stock |
Class of Stock [Line Items] |
Shares issued in initial public offering (in shares) | 5,250,000
Price per share in initial public offering (in dollars per share) | $ / shares | $ 15.00
Former Employees | Class A common stock | Conversion of Class B Common Stock To Class A Common Stock |
Class of Stock [Line Items] |
Conversion of redeemable convertible preferred stock to common stock upon initial public offering (in shares) | 15,198,587
Former Employees | Class B common stock | Conversion of Class B Common Stock To Class A Common Stock |
Class of Stock [Line Items] |
Conversion of redeemable convertible preferred stock to common stock upon initial public offering (in shares) | 15,198,587

X
- Definition Temporary Equity, Stock Issued During Period, Shares, Conversion of Convertible Securities + References No definition available. + Details
Name: | cloud_TemporaryEquityStockIssuedDuringPeriodSharesConversionOfConvertibleSecurities
Namespace Prefix: | cloud_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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_ClassOfStockLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Cash received on stock transaction after deduction of issuance costs. + References No definition available. + Details
Name: | us-gaap_SaleOfStockConsiderationReceivedOnTransaction
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The number of shares issued or sold by the subsidiary or equity method investee per stock transaction. + References No definition available. + Details
Name: | us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction. + References No definition available. + Details
Name: | us-gaap_SaleOfStockPricePerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of shares issued during the period as a result of the conversion of convertible securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29-30) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=cloud_SeriesDRedeemableConvertiblePreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=cloud_SeriesASeriesBAndSeriesCRedeemableConvertiblePreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassBMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=us-gaap_IPOMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=us-gaap_OverAllotmentOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=cloud_FormerEmployeesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConversionOfStockByUniqueDescriptionAxis=cloud_ConversionOfClassBCommonStockToClassACommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |