XML 76 R46.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Collaboration Agreements - Transaction Price Related to Consideration Received and Accounts Receivable Allocated to Performance Obligations along with Associated Deferred Revenue (Detail) $ in Thousands | Dec. 31, 2018 USD ($)
--- | ---
Astellas Agreement [Member] | Japan [Member] |
Revenue Recognition, Multiple-deliverable Arrangements [Line Items] |
Cumulative Revenue | $ 87,997
Deferred Revenue | 286
Total Consideration | 88,283
Astellas Agreement [Member] | Japan [Member] | License Revenue [Member] |
Revenue Recognition, Multiple-deliverable Arrangements [Line Items] |
Cumulative Revenue | 74,089
Deferred Revenue | 0
Total Consideration | 74,089
Astellas Agreement [Member] | Japan [Member] | Development Revenue [Member] |
Revenue Recognition, Multiple-deliverable Arrangements [Line Items] |
Cumulative Revenue | 13,908
Deferred Revenue | 286
Total Consideration | 14,194
Astellas Agreement [Member] | Europe [Member] |
Revenue Recognition, Multiple-deliverable Arrangements [Line Items] |
Cumulative Revenue | 573,317
Deferred Revenue | 3,225
Total Consideration | 576,542
Astellas Agreement [Member] | Europe [Member] | License Revenue [Member] |
Revenue Recognition, Multiple-deliverable Arrangements [Line Items] |
Cumulative Revenue | 370,481
Deferred Revenue | 0
Total Consideration | 370,481
Astellas Agreement [Member] | Europe [Member] | Development Revenue [Member] |
Revenue Recognition, Multiple-deliverable Arrangements [Line Items] |
Cumulative Revenue | 202,836
Deferred Revenue | 3,225
Total Consideration | 206,061
AstraZeneca Agreements [Member] | U.S./RoW and China [Member] |
Revenue Recognition, Multiple-deliverable Arrangements [Line Items] |
Cumulative Revenue | 702,800
Deferred Revenue | 146,369
Total Consideration | 849,169
AstraZeneca Agreements [Member] | U.S./RoW and China [Member] | License Revenue [Member] |
Revenue Recognition, Multiple-deliverable Arrangements [Line Items] |
Cumulative Revenue | 294,163
Deferred Revenue | 0
Total Consideration | 294,163
AstraZeneca Agreements [Member] | U.S./RoW and China [Member] | Co-development, information sharing & committee services [Member] |
Revenue Recognition, Multiple-deliverable Arrangements [Line Items] |
Cumulative Revenue | 408,637
Deferred Revenue | 20,521
Total Consideration | 429,158
AstraZeneca Agreements [Member] | U.S./RoW and China [Member] | China performance obligation [Member] |
Revenue Recognition, Multiple-deliverable Arrangements [Line Items] |
Cumulative Revenue | 0
Deferred Revenue | 125,848
Total Consideration | $ 125,848

X
- Definition The total cash consideration received under a collaboration agreement that has been allocated to the different significant units of accounting and includes the portion that has been deferred for revenue recognition. + References No definition available. + Details
Name: | fgen_CashConsiderationReceivedUnderCollaborationAgreement
Namespace Prefix: | fgen_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Total amount of revenue recognized for license and development services under the collaboration agreement as of a given date. + References No definition available. + Details
Name: | fgen_CumulativeRevenueLicenseAndDevelopmentRevenueRecognized
Namespace Prefix: | fgen_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130531-203044 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130532-203044 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130549-203045 + Details
Name: | us-gaap_ContractWithCustomerLiability
Namespace Prefix: | us-gaap_
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_RevenueRecognitionMultipleDeliverableArrangementsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=fgen_AstellasCollaborationAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_JP
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_LicenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=fgen_DevelopmentAndOtherRevenueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=srt_EuropeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=fgen_AstraZenecaAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=fgen_UnitedStatesRestOfWorldAndChinaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=fgen_CoDevelopmentInformationSharingAndCommitteeServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=fgen_ChinaPerformanceObligationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |