$FGEN
FIBROGEN INC Stock $fgen

$fgen Overview Financials Valuation SEC Filings Company Website

2023 Q1 Form 10-K Financial Statement

#000095017023004668 Filed on February 27, 2023

Income Statement

Concept	2023 Q1	2022 Q4	2022
Revenue	$36.16M	$34.37M	$140.7M
YoY Change	-40.55%	107.74%	-40.19%
Cost Of Revenue	$3.491M	$4.925M	$20.28M
YoY Change	-17.63%	57.6%	57.56%
Gross Profit	$32.67M	$29.44M	$120.5M
YoY Change	-42.27%	119.42%	-45.85%
Gross Profit Margin	90.35%	85.67%	85.59%
Selling, General & Admin	$34.28M	$33.97M	$124.7M
YoY Change	12.14%	-3.43%	0.62%
% of Gross Profit	104.91%	115.37%	103.52%
Research & Development	$74.49M	$61.63M	$296.8M
YoY Change	-16.32%	-45.9%	394.65%
% of Gross Profit	228.0%	209.32%	246.39%
Depreciation & Amortization	$2.542M	$2.690M	$10.00M
YoY Change	3.76%	4.14%	-1.96%
% of Gross Profit	7.78%	9.14%	8.3%
Operating Expenses	$108.8M	$95.59M	$421.5M
YoY Change	-9.05%	-35.7%	129.16%
Operating Profit	-$76.09M	-$66.15M	-$301.0M
YoY Change	20.79%	-51.09%	4.33%
Interest Expense	$2.372M	-$195.0K	$1.440M
YoY Change	2345.36%	-120.92%	33.95%
% of Operating Profit
Other Income/Expense, Net	$1.036M		$7.596M
YoY Change	-421.74%		-804.64%
Pretax Income	-$77.43M	-$66.35M	-$294.9M
YoY Change	22.1%	-50.6%	1.44%
Income Tax	$74.00K	$108.0K	$358.0K
% Of Pretax Income
Net Earnings	-$76.71M	-$66.18M	-$293.7M
YoY Change	21.36%	-50.64%	1.25%
Net Earnings / Revenue	-212.12%	-192.55%	-208.66%
Basic Earnings Per Share	-$0.81		-$3.14
Diluted Earnings Per Share	-$0.81	-$0.70	-$3.14
COMMON SHARES
Basic Shares Outstanding	94.18M	93.96M	93.58M
Diluted Shares Outstanding	94.69M		93.58M

Balance Sheet

Concept	2023 Q1	2022 Q4	2022
SHORT-TERM ASSETS
Cash & Short-Term Investments	$355.9M	$422.0M	$422.0M
YoY Change	-16.85%	4.15%	4.15%
Cash & Equivalents	$188.6M	$155.7M	$19.88M
Short-Term Investments	$167.4M	$266.3M	$266.3M
Other Short-Term Assets	$14.49M	$4.353M	$14.08M
YoY Change	54.31%	-14.14%	13.09%
Inventory	$42.46M	$40.44M	$40.44M
Prepaid Expenses		$9.730M
Receivables	$17.65M	$16.30M	$28.39M
Other Receivables	-$11.56M	-$12.09M	-$12.09M
Total Short-Term Assets	$430.5M	$492.8M	$492.8M
YoY Change	-17.9%	3.96%	3.96%
LONG-TERM ASSETS
Property, Plant & Equipment	$18.69M	$20.61M	$100.9M
YoY Change	-30.46%	-27.13%	-15.99%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$5.884M	$5.061M	$9.409M
YoY Change	41.61%	32.31%	-94.52%
Other Assets	$4.672M	$5.282M	$6.919M
YoY Change	-32.61%	-20.93%	-13.42%
Total Long-Term Assets	$108.0M	$117.3M	$117.3M
YoY Change	-51.25%	-60.88%	-60.88%
TOTAL ASSETS
Total Short-Term Assets	$430.5M	$492.8M	$492.8M
Total Long-Term Assets	$108.0M	$117.3M	$117.3M
Total Assets	$538.5M	$610.1M	$610.1M
YoY Change	-27.8%	-21.16%	-21.16%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$71.28M	$30.76M	$30.76M
YoY Change	96.08%	17.86%	17.86%
Accrued Expenses	$157.0M	$219.8M	$229.6M
YoY Change	-22.75%	27.33%	27.33%
Deferred Revenue	$16.50M	$12.74M
YoY Change	247.7%	-19.66%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due		$36.00K	$36.00K
YoY Change		227.27%	227.27%
Total Short-Term Liabilities	$254.7M	$273.6M	$273.6M
YoY Change	-0.25%	21.32%	21.32%
LONG-TERM LIABILITIES
Long-Term Debt	$17.28M	$17.05M	$17.05M
YoY Change	-0.56%	-3.19%	-3.19%
Other Long-Term Liabilities	$7.063M	$6.440M	$321.0M
YoY Change	-70.97%	-75.25%	9.76%
Total Long-Term Liabilities	$7.063M	$6.440M	$338.0M
YoY Change	-70.97%	-75.25%	9.03%
TOTAL LIABILITIES
Total Short-Term Liabilities	$254.7M	$273.6M	$273.6M
Total Long-Term Liabilities	$7.063M	$6.440M	$338.0M
Total Liabilities	$567.4M	$611.6M	$631.5M
YoY Change	-0.09%	12.27%	11.84%
SHAREHOLDERS EQUITY
Retained Earnings	-$1.634B	-$1.558B
YoY Change	23.14%	23.23%
Common Stock	$966.0K	$942.0K
YoY Change	3.54%	1.4%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	-$48.85M	-$21.45M	-$21.45M
YoY Change
Total Liabilities & Shareholders Equity	$538.5M	$610.1M	$610.1M
YoY Change	-27.8%	-21.16%	-21.16%

Cashflow Statement

Concept	2023 Q1	2022 Q4	2022
OPERATING ACTIVITIES
Net Income	-$76.71M	-$66.18M	-$293.7M
YoY Change	21.36%	-50.64%	1.25%
Depreciation, Depletion And Amortization	$2.542M	$2.690M	$10.00M
YoY Change	3.76%	4.14%	-1.96%
Cash From Operating Activities	-$101.6M	-$52.51M	-$145.9M
YoY Change	1098.57%	-4.45%	77.46%
INVESTING ACTIVITIES
Capital Expenditures	$591.0K	$333.0K	$3.741M
YoY Change	-63.92%	-123.85%	-27.86%
Acquisitions
YoY Change
Other Investing Activities	$104.1M	$1.426M	$127.9M
YoY Change	66.32%	-102.9%	-132.22%
Cash From Investing Activities	$103.5M	$1.093M	$89.12M
YoY Change	299.01%	-102.16%	-120.87%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$4.184M
YoY Change			-67.06%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	31.49M	48.67M	46.78M
YoY Change	-1188.32%	-157112.9%	-8408.35%
NET CHANGE
Cash From Operating Activities	-101.6M	-52.51M	-145.9M
Cash From Investing Activities	103.5M	1.093M	89.12M
Cash From Financing Activities	31.49M	48.67M	46.78M
Net Change In Cash	32.85M	-2.746M	-15.52M
YoY Change	123.88%	-97.4%	-96.94%
FREE CASH FLOW
Cash From Operating Activities	-$101.6M	-$52.51M	-$145.9M
Capital Expenditures	$591.0K	$333.0K	$3.741M
Free Cash Flow	-$102.2M	-$52.85M	-$149.7M
YoY Change	910.3%	-1.34%	71.22%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value
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CY2022	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
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CY2022	dei	Document Type DocumentType	10-K
CY2022	dei	Document Annual Report DocumentAnnualReport	true
CY2022	dei	Document Period End Date DocumentPeriodEndDate	2022-12-31
CY2022	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2022	dei	Document Transition Report DocumentTransitionReport	false
CY2022	dei	Entity File Number EntityFileNumber	001-36740
CY2022	dei	Entity Registrant Name EntityRegistrantName	FIBROGEN, INC.
CY2022	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2022	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	77-0357827
CY2022	dei	Entity Address Address Line1 EntityAddressAddressLine1	409 Illinois Street
CY2022	dei	Entity Address City Or Town EntityAddressCityOrTown	San Francisco
CY2022	dei	Entity Address State Or Province EntityAddressStateOrProvince	CA
CY2022	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	94158
CY2022	dei	City Area Code CityAreaCode	415
CY2022	dei	Local Phone Number LocalPhoneNumber	978-1200
CY2022	dei	Security12b Title Security12bTitle	Common Stock, $0.01 par value
CY2022	dei	Trading Symbol TradingSymbol	FGEN
CY2022	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2022	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2022	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
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CY2022	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
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CY2022	dei	Auditor Firm AuditorFirmId	238
CY2022	dei	Auditor Name AuditorName	PricewaterhouseCoopers LLP
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CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-1078000
CY2020	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	5553000
CY2022	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	6156000
CY2021	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-2153000
CY2020	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	3151000
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-294869000
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-290683000
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-188729000
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	358000
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	347000
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	360000
CY2022	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	1573000
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	1007000
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-202000
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-293654000
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-290023000
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-189291000
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-3.14
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-3.14
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-3.14
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-3.14
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.11
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.11
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	93582000
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	93582000
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	92349000
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	92349000
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	89854000
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	89854000
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-293654000
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-290023000
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-189291000
CY2022	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	75000
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	1235000
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-3207000
CY2022	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-1632000
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-899000
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-545000
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-1557000
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	336000
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-3752000
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-295211000
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-289687000
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-193043000
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	535406000
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-189291000
CY2020	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-545000
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-3207000
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	441449000
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-290023000
CY2021	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-899000
CY2020	fgen	Adjustments To Additional Paid In Capital Shares Issued From Stock Plans Net Of Payroll Taxes Paid AdjustmentsToAdditionalPaidInCapitalSharesIssuedFromStockPlansNetOfPayrollTaxesPaid	26366000
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	72720000
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	1235000
CY2021	fgen	Adjustments To Additional Paid In Capital Shares Issued From Stock Plans Net Of Payroll Taxes Paid AdjustmentsToAdditionalPaidInCapitalSharesIssuedFromStockPlansNetOfPayrollTaxesPaid	5494000
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	71161000
CY2021	fgen	Conversion Of Subsidiarys Convertible Note Payable ConversionOfSubsidiarysConvertibleNotePayable	696000
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	229113000
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-293654000
CY2022	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-1632000
CY2022	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	75000
CY2022	fgen	Adjustments To Additional Paid In Capital Shares Issued From Stock Plans Net Of Payroll Taxes Paid AdjustmentsToAdditionalPaidInCapitalSharesIssuedFromStockPlansNetOfPayrollTaxesPaid	-983000
CY2022	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	65601000
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	-1480000
CY2022	us-gaap	Profit Loss ProfitLoss	-293654000
CY2021	us-gaap	Profit Loss ProfitLoss	-290023000
CY2020	us-gaap	Profit Loss ProfitLoss	-189291000
CY2022	us-gaap	Depreciation Depreciation	10017000
CY2021	us-gaap	Depreciation Depreciation	10170000
CY2020	us-gaap	Depreciation Depreciation	11678000
CY2022	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	587000
CY2021	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	4639000
CY2020	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	10369000
CY2022	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-1619000
CY2021	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-2482000
CY2020	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-103000
CY2022	fgen	Unrealized Loss Gain On Equity Investments UnrealizedLossGainOnEquityInvestments	0
CY2021	fgen	Unrealized Loss Gain On Equity Investments UnrealizedLossGainOnEquityInvestments	-30000
CY2020	fgen	Unrealized Loss Gain On Equity Investments UnrealizedLossGainOnEquityInvestments	0
CY2022	fgen	Investment Gain Loss In Unconsolidated Variable Interest Entity InvestmentGainLossInUnconsolidatedVariableInterestEntity	1573000
CY2021	fgen	Investment Gain Loss In Unconsolidated Variable Interest Entity InvestmentGainLossInUnconsolidatedVariableInterestEntity	1007000
CY2020	fgen	Investment Gain Loss In Unconsolidated Variable Interest Entity InvestmentGainLossInUnconsolidatedVariableInterestEntity	-202000
CY2022	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	1000
CY2021	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	-233000
CY2020	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	-933000
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	65601000
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	71161000
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	72720000
CY2022	us-gaap	Research And Development In Process ResearchAndDevelopmentInProcess	0
CY2021	us-gaap	Research And Development In Process ResearchAndDevelopmentInProcess	60000000
CY2020	us-gaap	Research And Development In Process ResearchAndDevelopmentInProcess	0
CY2022	fgen	Non Cash Interest Expense Related To Sale Of Future Revenues NonCashInterestExpenseRelatedToSaleOfFutureRevenues	1036000
CY2022	us-gaap	Debt Securities Available For Sale Realized Gain Loss Excluding Other Than Temporary Impairment DebtSecuritiesAvailableForSaleRealizedGainLossExcludingOtherThanTemporaryImpairment	-5000
CY2021	us-gaap	Debt Securities Available For Sale Realized Gain Loss Excluding Other Than Temporary Impairment DebtSecuritiesAvailableForSaleRealizedGainLossExcludingOtherThanTemporaryImpairment	0
CY2020	us-gaap	Debt Securities Available For Sale Realized Gain Loss Excluding Other Than Temporary Impairment DebtSecuritiesAvailableForSaleRealizedGainLossExcludingOtherThanTemporaryImpairment	-258000
CY2022	us-gaap	Increase Decrease In Accounts Receivable Related Parties IncreaseDecreaseInAccountsReceivableRelatedParties	-1158000
CY2021	us-gaap	Increase Decrease In Accounts Receivable Related Parties IncreaseDecreaseInAccountsReceivableRelatedParties	-6803000
CY2020	us-gaap	Increase Decrease In Accounts Receivable Related Parties IncreaseDecreaseInAccountsReceivableRelatedParties	718000
CY2022	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-765000
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-25180000
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	11973000
CY2022	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	10999000
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	14158000
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	9175000
CY2022	fgen	Increase Decrease In Prepaid Expenses And Other Current Assets Related Parties IncreaseDecreaseInPrepaidExpensesAndOtherCurrentAssetsRelatedParties	0
CY2021	fgen	Increase Decrease In Prepaid Expenses And Other Current Assets Related Parties IncreaseDecreaseInPrepaidExpensesAndOtherCurrentAssetsRelatedParties	889000
CY2020	fgen	Increase Decrease In Prepaid Expenses And Other Current Assets Related Parties IncreaseDecreaseInPrepaidExpensesAndOtherCurrentAssetsRelatedParties	124321000
CY2022	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-4916000
CY2021	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	9854000
CY2020	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-123492000
CY2022	fgen	Increase Decrease In Operating Lease Right Of Use Assets IncreaseDecreaseInOperatingLeaseRightOfUseAssets	-10908000
CY2021	fgen	Increase Decrease In Operating Lease Right Of Use Assets IncreaseDecreaseInOperatingLeaseRightOfUseAssets	-4209000
CY2020	fgen	Increase Decrease In Operating Lease Right Of Use Assets IncreaseDecreaseInOperatingLeaseRightOfUseAssets	24000
CY2022	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-263000
CY2021	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	4412000
CY2020	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-5843000
CY2022	fgen	Increase Decrease In Accounts Payable From Related Party IncreaseDecreaseInAccountsPayableFromRelatedParty	0
CY2021	fgen	Increase Decrease In Accounts Payable From Related Party IncreaseDecreaseInAccountsPayableFromRelatedParty	-1118000
CY2020	fgen	Increase Decrease In Accounts Payable From Related Party IncreaseDecreaseInAccountsPayableFromRelatedParty	1118000
CY2022	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	5909000
CY2021	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	805000
CY2020	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	17731000
CY2022	us-gaap	Increase Decrease In Accounts Payable Related Parties IncreaseDecreaseInAccountsPayableRelatedParties	63882000
CY2021	us-gaap	Increase Decrease In Accounts Payable Related Parties IncreaseDecreaseInAccountsPayableRelatedParties	-20000
CY2020	us-gaap	Increase Decrease In Accounts Payable Related Parties IncreaseDecreaseInAccountsPayableRelatedParties	-36859000
CY2022	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	90556000
CY2021	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	16380000
CY2020	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	30914000
CY2022	fgen	Increase Decrease In Operating Lease Liabilities Current IncreaseDecreaseInOperatingLeaseLiabilitiesCurrent	-547000
CY2021	fgen	Increase Decrease In Operating Lease Liabilities Current IncreaseDecreaseInOperatingLeaseLiabilitiesCurrent	503000
CY2020	fgen	Increase Decrease In Operating Lease Liabilities Current IncreaseDecreaseInOperatingLeaseLiabilitiesCurrent	134000
CY2022	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	11211000
CY2021	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	21549000
CY2020	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	7169000
CY2022	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-4130000
CY2021	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	57637000
CY2020	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	45077000
CY2022	fgen	Increase Decrease In Accrued Interest For Finance Lease Liabilities IncreaseDecreaseInAccruedInterestForFinanceLeaseLiabilities	33000
CY2021	fgen	Increase Decrease In Accrued Interest For Finance Lease Liabilities IncreaseDecreaseInAccruedInterestForFinanceLeaseLiabilities	-75000
CY2020	fgen	Increase Decrease In Accrued Interest For Finance Lease Liabilities IncreaseDecreaseInAccruedInterestForFinanceLeaseLiabilities	-177000
CY2022	fgen	Increase Decrease In Operating Lease Liabilities Non Current IncreaseDecreaseInOperatingLeaseLiabilitiesNonCurrent	-8994000
CY2021	fgen	Increase Decrease In Operating Lease Liabilities Non Current IncreaseDecreaseInOperatingLeaseLiabilitiesNonCurrent	-4043000
CY2020	fgen	Increase Decrease In Operating Lease Liabilities Non Current IncreaseDecreaseInOperatingLeaseLiabilitiesNonCurrent	-143000
CY2022	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-18250000
CY2021	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-12089000
CY2020	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-27069000
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-145933000
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-82232000
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	81602000
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	3741000
CY2020	us-gaap	Payments To Acquire In Process Research And Development PaymentsToAcquireInProcessResearchAndDevelopment	0
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	5186000
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	3994000
CY2022	us-gaap	Payments To Acquire In Process Research And Development PaymentsToAcquireInProcessResearchAndDevelopment	35000000
CY2022	fgen	Payment Made For Investment In Unconsolidated Variable Interest Entity PaymentMadeForInvestmentInUnconsolidatedVariableInterestEntity	0
CY2021	us-gaap	Payments To Acquire In Process Research And Development PaymentsToAcquireInProcessResearchAndDevelopment	25000000
CY2021	fgen	Payment Made For Investment In Unconsolidated Variable Interest Entity PaymentMadeForInvestmentInUnconsolidatedVariableInterestEntity	0
CY2020	fgen	Payment Made For Investment In Unconsolidated Variable Interest Entity PaymentMadeForInvestmentInUnconsolidatedVariableInterestEntity	3896000
CY2022	fgen	Proceeds From Equity Transfer Of Unconsolidated Variable Interest Entity ProceedsFromEquityTransferOfUnconsolidatedVariableInterestEntity	0
CY2021	fgen	Proceeds From Equity Transfer Of Unconsolidated Variable Interest Entity ProceedsFromEquityTransferOfUnconsolidatedVariableInterestEntity	0
CY2020	fgen	Proceeds From Equity Transfer Of Unconsolidated Variable Interest Entity ProceedsFromEquityTransferOfUnconsolidatedVariableInterestEntity	1063000
CY2022	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	6000
CY2021	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0
CY2020	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0
CY2022	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	164023000
CY2021	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	484144000
CY2020	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	8192000
CY2022	fgen	Proceeds From Sales Of Available For Sale Securities ProceedsFromSalesOfAvailableForSaleSecurities	7382000
CY2021	fgen	Proceeds From Sales Of Available For Sale Securities ProceedsFromSalesOfAvailableForSaleSecurities	4214000
CY2020	fgen	Proceeds From Sales Of Available For Sale Securities ProceedsFromSalesOfAvailableForSaleSecurities	10606000
CY2022	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	284492000
CY2021	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	83144000
CY2020	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	456900000
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	89116000
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-426972000
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	452487000
CY2022	fgen	Repayments Of Finance Lease Liabilities RepaymentsOfFinanceLeaseLiabilities	135000
CY2021	fgen	Repayments Of Finance Lease Liabilities RepaymentsOfFinanceLeaseLiabilities	5489000
CY2020	fgen	Repayments Of Finance Lease Liabilities RepaymentsOfFinanceLeaseLiabilities	12620000
CY2022	us-gaap	Repayments Of Debt And Capital Lease Obligations RepaymentsOfDebtAndCapitalLeaseObligations	403000
CY2021	us-gaap	Repayments Of Debt And Capital Lease Obligations RepaymentsOfDebtAndCapitalLeaseObligations	403000
CY2020	us-gaap	Repayments Of Debt And Capital Lease Obligations RepaymentsOfDebtAndCapitalLeaseObligations	403000
CY2022	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	5167000
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	7372000
CY2020	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	11463000
CY2022	fgen	Proceeds From Sale Of Future Revenues Net Of Issuance Costs ProceedsFromSaleOfFutureRevenuesNetOfIssuanceCosts	49750000
CY2022	fgen	Payments For Transaction Costs Related To Sale Of Future Revenues PaymentsForTransactionCostsRelatedToSaleOfFutureRevenues	1453000
CY2022	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	4184000
CY2021	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	12701000
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	37829000
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	46776000
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-563000
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	13343000
CY2022	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	-5482000
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	2597000
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	4695000
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-15523000
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-507170000
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	552127000
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	171223000
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	678393000
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	126266000
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	171223000
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	155700000
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	678393000
CY2022	us-gaap	Interest Paid Net InterestPaidNet	104000
CY2022	fgen	Long Term Investments Minimum Maturity Period LongTermInvestmentsMinimumMaturityPeriod	P12M
CY2021	us-gaap	Interest Paid Net InterestPaidNet	94000
CY2020	us-gaap	Interest Paid Net InterestPaidNet	135000
CY2022	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	428000
CY2021	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	1009000
CY2020	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	884000
CY2022	us-gaap	Construction In Progress Expenditures Incurred But Not Yet Paid ConstructionInProgressExpendituresIncurredButNotYetPaid	0
CY2021	us-gaap	Construction In Progress Expenditures Incurred But Not Yet Paid ConstructionInProgressExpendituresIncurredButNotYetPaid	35000000
CY2020	us-gaap	Construction In Progress Expenditures Incurred But Not Yet Paid ConstructionInProgressExpendituresIncurredButNotYetPaid	0
CY2022	fgen	Balance In Other Receivables Related To Stock Option Exercise BalanceInOtherReceivablesRelatedToStockOptionExercise	0
CY2021	fgen	Balance In Other Receivables Related To Stock Option Exercise BalanceInOtherReceivablesRelatedToStockOptionExercise	165000
CY2020	fgen	Balance In Other Receivables Related To Stock Option Exercise BalanceInOtherReceivablesRelatedToStockOptionExercise	0
CY2022	fgen	Conversion Of Subsidiarys Convertible Note Payable To Non Controlling Interests ConversionOfSubsidiarysConvertibleNotePayableToNonControllingInterests	0
CY2021	fgen	Conversion Of Subsidiarys Convertible Note Payable To Non Controlling Interests ConversionOfSubsidiarysConvertibleNotePayableToNonControllingInterests	696000
CY2020	fgen	Conversion Of Subsidiarys Convertible Note Payable To Non Controlling Interests ConversionOfSubsidiarysConvertibleNotePayableToNonControllingInterests	0
CY2022	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	149285000
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	128682000
CY2022	us-gaap	Use Of Estimates UseOfEstimates	<p style="text-indent:0.0%;font-size:10.0pt;margin-top:18.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">Use of Estimates</span></p><p style="text-indent:0.0%;font-size:10.0pt;margin-top:6.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">The preparation of the consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and reported amounts of revenues and expenses during the reporting period. The more significant areas requiring the use of management estimates and assumptions include valuation and recognition of revenue, specifically, estimates in variable consideration for drug product sales, and estimates in transaction price per unit for the China performance obligation (as defined and discussed under </span><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;font-style:italic;min-width:fit-content;">Revenue Recognition</span><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> below). On an ongoing basis, management reviews these estimates and assumptions. Changes in facts and circumstances may alter such estimates and actual results could differ from those estimates.</span></p>
CY2022	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<p style="text-indent:0.0%;font-size:10.0pt;margin-top:18.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">Concentration of Credit Risk</span><span style="color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p><p style="text-indent:0.0%;font-size:10.0pt;margin-top:6.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">The Company is subject to risks associated with concentration of credit for cash and cash equivalents. Outside of short-term operating needs, the majority of cash on hand is invested in U.S. treasuries, corporate bonds, commercial paper and money market funds. Any remaining cash is deposited with major financial institutions primarily in the U.S., China and the Cayman Islands. At times, such deposits may be in excess of insured limits. </span><span style="font-size:10.0pt;font-family:"Times New Roman", serif;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">The Company has not experienced any loss on its deposits of cash and cash equivalents. Included in current assets are significant balances of accounts receivable as follows:</span></span></p><div style="font-size:10.0pt;font-family:"Times New Roman", serif;"><p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p> <table style="margin-left:auto;border-spacing:0;table-layout:fixed;width:80.0%;border-collapse:separate;margin-right:auto;"> <tr style="visibility:collapse;"> <td style="width:63.414%;"/> <td style="width:1.262%;"/> <td style="width:1.0%;"/> <td style="width:15.194%;"/> <td style="width:1.0%;"/> <td style="width:1.248%;"/> <td style="width:1.0%;"/> <td style="width:14.882000000000001%;"/> <td style="width:1.0%;"/> </tr> <tr style="height:8.0pt;"> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;text-align:left;"><p style="text-indent:0.0pt;font-size:8.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="white-space:pre-wrap;font-size:8.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;text-align:left;"><p style="text-indent:0.0pt;font-size:8.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="white-space:pre-wrap;font-size:8.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td colspan="6" style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;border-bottom:0.5pt solid rgba(0,0,0,1);text-align:left;"><p style="text-indent:0.0pt;font-size:8.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:8.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">December 31,</span></p></td> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;border-bottom:0.5pt solid rgba(255,255,255,0.01);text-align:left;"><p style="text-indent:0.0pt;font-size:8.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="white-space:pre-wrap;font-size:8.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> </tr> <tr style="height:8.0pt;"> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;text-align:left;"><p style="text-indent:0.0pt;font-size:8.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="white-space:pre-wrap;font-size:8.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;text-align:left;"><p style="text-indent:0.0pt;font-size:8.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="white-space:pre-wrap;font-size:8.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td colspan="2" style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;border-bottom:0.5pt solid rgba(0,0,0,1);text-align:left;"><p style="text-indent:0.0pt;font-size:8.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:8.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">2022</span></p></td> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;border-bottom:0.5pt solid rgba(255,255,255,0.01);text-align:left;"><p style="text-indent:0.0pt;font-size:8.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="white-space:pre-wrap;font-size:8.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;text-align:left;"><p style="text-indent:0.0pt;font-size:8.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="white-space:pre-wrap;font-size:8.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td colspan="2" style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;border-bottom:0.5pt solid rgba(0,0,0,1);text-align:left;"><p style="text-indent:0.0pt;font-size:8.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:8.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">2021</span></p></td> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;border-bottom:0.5pt solid rgba(255,255,255,0.01);text-align:left;"><p style="text-indent:0.0pt;font-size:8.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="white-space:pre-wrap;font-size:8.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> </tr> <tr style="height:10.0pt;"> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">Falikang — Related party</span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:nowrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:right;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">65</span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:nowrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">%</span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:nowrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:right;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">—</span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:nowrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">%</span></p></td> </tr> <tr style="height:10.0pt;"> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:top;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">Astellas — Related party</span></p></td> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:middle;text-align:left;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:nowrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:right;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">9</span></p></td> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:nowrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">%</span></p></td> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:nowrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:right;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">63</span></p></td> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:nowrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">%</span></p></td> </tr> <tr style="height:10.0pt;"> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:pre-wrap;vertical-align:top;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">AstraZeneca</span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:pre-wrap;vertical-align:middle;text-align:left;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:nowrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:right;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">16</span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:nowrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">%</span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:nowrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:right;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">34</span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:nowrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">%</span></p></td> </tr> </table></div><p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p><p style="text-indent:0.0%;font-size:10.0pt;margin-top:2.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">As of December 31, 2022</span><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">, the aggregate accounts receivable related to roxadustat sales in China from distributors represented </span><span style="font-size:10.0pt;font-family:"Times New Roman", serif;background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">10</span><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">% of the consolidated accounts receivable, with no material balance from any individual distributor. As of </span><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">December 31, 2021</span><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">, the accounts receivable related to roxadustat sales in China from Beijing Falikang Pharmaceutical Co., Ltd. (“Falikang”) and direct sales to distributors were not material.</span><span style="color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p>
CY2022	fgen	Highly Liquid Investment Maturity Period HighlyLiquidInvestmentMaturityPeriod	three months or less
CY2022Q4	fgen	Restricted Time Deposits Noncurrent RestrictedTimeDepositsNoncurrent	2100000
CY2021Q4	fgen	Restricted Time Deposits Noncurrent RestrictedTimeDepositsNoncurrent	2100000
CY2022	fgen	Short Term Investments Maximum Maturity Period ShortTermInvestmentsMaximumMaturityPeriod	P12M
CY2022	fgen	Short Term Investments Maximum Maturity Period ShortTermInvestmentsMaximumMaturityPeriod	P12M
CY2022	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	0
CY2021	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	0
CY2021	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	0
CY2022	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	0
CY2022	us-gaap	Revenue Performance Obligation Description Of Payment Terms RevenuePerformanceObligationDescriptionOfPaymentTerms	The period between the transfer of control of the promised goods and when the Company receives payment is based on 60-day payment terms.
CY2022	fgen	Description Of Sales Return DescriptionOfSalesReturn	Distributors can request to return product to the Company only due to quality issues or for product purchased within one year prior to the product’s expiration date.
CY2022	us-gaap	Lease Cost LeaseCost	14339000
CY2022	fgen	Collaborative Arrangement Aggregate Consideration CollaborativeArrangementAggregateConsideration	77200000
CY2021	us-gaap	Lease Cost LeaseCost	14718000
CY2020	us-gaap	Lease Cost LeaseCost	12251000
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	15497000
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	10022000
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	951000
CY2022	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	2000
CY2021	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	629000
CY2022Q4	fgen	Fair Value Assets Level1 To Level2 Transfer Amount FairValueAssetsLevel1ToLevel2TransferAmount	10500000
CY2021Q4	fgen	Fair Value Assets Level1 To Level2 Transfer Amount FairValueAssetsLevel1ToLevel2TransferAmount	0
CY2020Q4	fgen	Fair Value Assets Level1 To Level2 Transfer Amount FairValueAssetsLevel1ToLevel2TransferAmount	0
CY2021Q4	fgen	Fair Value Assets Level2 To Level1 Transfer Amount FairValueAssetsLevel2ToLevel1TransferAmount	0
CY2020Q4	fgen	Fair Value Assets Level2 To Level1 Transfer Amount FairValueAssetsLevel2ToLevel1TransferAmount	0
CY2022Q4	fgen	Finance Lease Right Of Use Assets Cost FinanceLeaseRightOfUseAssetsCost	2367000
CY2021Q4	fgen	Finance Lease Right Of Use Assets Cost FinanceLeaseRightOfUseAssetsCost	2165000
CY2022Q4	fgen	Finance Lease Accumulated Amortization FinanceLeaseAccumulatedAmortization	1932000
CY2021Q4	fgen	Finance Lease Accumulated Amortization FinanceLeaseAccumulatedAmortization	1404000
CY2022Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	435000
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	761000
CY2022Q4	fgen	Operating Lease Right Of Use Assets Cost OperatingLeaseRightOfUseAssetsCost	101990000
CY2021Q4	fgen	Operating Lease Right Of Use Assets Cost OperatingLeaseRightOfUseAssetsCost	100912000
CY2022Q4	fgen	Operating Lease Accumulated Amortization OperatingLeaseAccumulatedAmortization	22097000
CY2021Q4	fgen	Operating Lease Accumulated Amortization OperatingLeaseAccumulatedAmortization	9800000
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	79893000
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	91112000
CY2022Q4	fgen	Finance Lease And Operating Lease Assets FinanceLeaseAndOperatingLeaseAssets	80328000
CY2021Q4	fgen	Finance Lease And Operating Lease Assets FinanceLeaseAndOperatingLeaseAssets	91873000
CY2022Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	36000
CY2021Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	11000
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	10292000
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	10944000
CY2022Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	137000
CY2021Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	3000
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	79593000
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	88776000
CY2022Q4	fgen	Finance Lease And Operating Lease Liability FinanceLeaseAndOperatingLeaseLiability	90058000
CY2021Q4	fgen	Finance Lease And Operating Lease Liability FinanceLeaseAndOperatingLeaseLiability	99734000
CY2022	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	587000
CY2021	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	4639000
CY2020	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	1896000
CY2022	fgen	Repayments Of Finance Lease Liabilities RepaymentsOfFinanceLeaseLiabilities	135000
CY2021	fgen	Repayments Of Finance Lease Liabilities RepaymentsOfFinanceLeaseLiabilities	5489000
CY2020	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	10369000
CY2022	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	0
CY2021	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	628000
CY2020	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	1932000
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	17125000
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	10722000
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	1151000
CY2022	us-gaap	Sublease Income SubleaseIncome	3373000
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	261000
CY2021	us-gaap	Sublease Income SubleaseIncome	1271000
CY2020	us-gaap	Sublease Income SubleaseIncome	1201000
CY2020	fgen	Repayments Of Finance Lease Liabilities RepaymentsOfFinanceLeaseLiabilities	12620000
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	450000
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	662000
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	1704000
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	3585000
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	1072000
CY2022Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P4Y10M24D
CY2021Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P1Y1M6D
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y9M18D
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y9M18D
CY2022Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0620
CY2021Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0464
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0475
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0475
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	44000
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	13915000
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	41000
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	17302000
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	40000
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	18448000
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	39000
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	18000000
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	36000
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	18476000
CY2022Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	0
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	17400000
CY2022Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	200000
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	103541000
CY2022Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	27000
CY2022Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	13656000
CY2022Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	173000
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	89885000
CY2022Q4	us-gaap	Cash Cash	135819000
CY2021Q4	us-gaap	Cash Cash	111422000
CY2022Q4	us-gaap	Commercial Paper At Carrying Value CommercialPaperAtCarryingValue	0
CY2021Q4	us-gaap	Commercial Paper At Carrying Value CommercialPaperAtCarryingValue	1000000
CY2022Q4	us-gaap	Money Market Funds At Carrying Value MoneyMarketFundsAtCarryingValue	19881000
CY2021Q4	us-gaap	Money Market Funds At Carrying Value MoneyMarketFundsAtCarryingValue	58801000
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	155700000
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	171223000
CY2022Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	273189000
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	5000
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	2538000
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	270656000
CY2021Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	402664000
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	2000
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	903000
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	401763000
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	31538000
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	170000
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	159627000
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	2368000
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	191165000
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	2538000
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	328162000
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	903000
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	0
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	0
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	328162000
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	903000
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CY2021Q4	us-gaap	Other Assets Current OtherAssetsCurrent	5070000
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CY2021Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	20453000
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	149287000
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CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	20605000
CY2022Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	273189000
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	270656000
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CY2021Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	1363000
CY2022Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	36003000
CY2021Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	21499000
CY2022Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	3192000
CY2021Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	8153000
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CY2021Q4	us-gaap	Inventory Net InventoryNet	31015000
CY2022Q4	us-gaap	Supplies Supplies	17488000
CY2021Q4	us-gaap	Supplies Supplies	66909000
CY2022Q4	fgen	Deferred Revenues From Associated Contracts DeferredRevenuesFromAssociatedContracts	-17488000
CY2021Q4	fgen	Deferred Revenues From Associated Contracts DeferredRevenuesFromAssociatedContracts	-58909000
CY2022Q4	fgen	Supplies Net SuppliesNet	0
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	28277000
CY2022	us-gaap	Depreciation Depreciation	10000000.0
CY2021	us-gaap	Depreciation Depreciation	10200000
CY2020	us-gaap	Depreciation Depreciation	11700000
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CY2021Q4	fgen	Accrued Preclinical And Clinical Trial Current AccruedPreclinicalAndClinicalTrialCurrent	56283000
CY2022Q4	fgen	Accrued Api And Bulk Drug Product Price True Up Current AccruedApiAndBulkDrugProductPriceTrueUpCurrent	75055000
CY2021Q4	fgen	Accrued Api And Bulk Drug Product Price True Up Current AccruedApiAndBulkDrugProductPriceTrueUpCurrent	0
CY2022Q4	fgen	Acquired In Process Research And Development Asset AcquiredInProcessResearchAndDevelopmentAsset	0
CY2021Q4	fgen	Acquired In Process Research And Development Asset AcquiredInProcessResearchAndDevelopmentAsset	35000000
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CY2021Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	20909000
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CY2021Q4	fgen	Accrued Co Promotion Expenses Current AccruedCoPromotionExpensesCurrent	25746000
CY2022Q4	fgen	Accrued Contract Liabilities To Pharmaceutical Distributors Current AccruedContractLiabilitiesToPharmaceuticalDistributorsCurrent	390000
CY2021Q4	fgen	Accrued Contract Liabilities To Pharmaceutical Distributors Current AccruedContractLiabilitiesToPharmaceuticalDistributorsCurrent	3176000
CY2022Q4	fgen	Accrued Profit Share Current AccruedProfitShareCurrent	7280000
CY2021Q4	fgen	Accrued Profit Share Current AccruedProfitShareCurrent	7895000
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CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P6Y11M4D
CY2021Q4	fgen	Property Taxes And Other Current PropertyTaxesAndOtherCurrent	12610000
CY2022Q4	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	5480000
CY2021Q4	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	6074000
CY2022Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	6858000
CY2021Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	4906000
CY2022Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	219773000
CY2021Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	172599000
CY2022Q4	fgen	Accrued Api And Bulk Drug Product Price True Up Current AccruedApiAndBulkDrugProductPriceTrueUpCurrent	75100000
CY2021Q4	fgen	Liability Related To Sale Of Future Revenues LiabilityRelatedToSaleOfFutureRevenues	0
CY2022	fgen	Gross Proceeds From Sale Of Future Revenues GrossProceedsFromSaleOfFutureRevenues	50000000
CY2022	fgen	Initial Issuance Costs Related To Sale Of Future Revenues InitialIssuanceCostsRelatedToSaleOfFutureRevenues	-250000
CY2022	fgen	Transaction Costs Related To Sale Of Future Revenues TransactionCostsRelatedToSaleOfFutureRevenues	-1453000
CY2022	fgen	Non Cash Interest Expense Related To Sale Of Future Revenues NonCashInterestExpenseRelatedToSaleOfFutureRevenues	1036000
CY2022Q4	fgen	Liability Related To Sale Of Future Revenues LiabilityRelatedToSaleOfFutureRevenues	49333000
CY2022	fgen	Liability Related To Sale Of Revenue Current LiabilityRelatedToSaleOfRevenueCurrent	0
CY2022	fgen	Liability Related To Sale Of Revenues Noncurrent LiabilityRelatedToSaleOfRevenuesNoncurrent	49333000
CY2022	fgen	Number Of Product Development Obligations NumberOfProductDevelopmentObligations	11
CY2022Q4	fgen	Accrued Product Development Costs Excluding Interest AccruedProductDevelopmentCostsExcludingInterest	10100000
CY2021Q4	fgen	Accrued Product Development Costs Excluding Interest AccruedProductDevelopmentCostsExcludingInterest	10700000
CY2022Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	6800000
CY2021Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	6900000
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	5770000
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	4730000
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	34.36
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	755000
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	32.89
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	9088000
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	29.19
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P7Y10D
CY2022Q4	us-gaap	Recorded Unconditional Purchase Obligation Due Within One Year RecordedUnconditionalPurchaseObligationDueWithinOneYear	27909000
CY2022Q4	us-gaap	Recorded Unconditional Purchase Obligation Due In Second Year RecordedUnconditionalPurchaseObligationDueInSecondYear	25846000
CY2022Q4	us-gaap	Recorded Unconditional Purchase Obligation RecordedUnconditionalPurchaseObligation	53755000
CY2021Q2	us-gaap	Loss Contingency New Claims Filed Number LossContingencyNewClaimsFiledNumber	5
CY2022	us-gaap	Common Stock Voting Rights CommonStockVotingRights	one vote
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	94166000
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	92881000
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	9088000
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	8967000
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	3669000
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	2304000
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	11524000
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	10253000
CY2022Q4	fgen	Common Stock Shares Reserved CommonStockSharesReserved	123820000
CY2021Q4	fgen	Common Stock Shares Reserved CommonStockSharesReserved	119176000
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	8967000
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	34.84
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	2902000
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	14.72
CY2022	fgen	Stock Issued During Period Shares Stock Options Exercised Full Year StockIssuedDuringPeriodSharesStockOptionsExercisedFullYear	179000
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	8.24
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	1847000
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	6232000
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	8614000
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	29.61
CY2022	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	11962000
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	10416000
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	7564000
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	35.07
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P5Y5M12D
CY2022Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	1438000
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	14.72
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	35.58
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	31.55
CY2022	fgen	Schedule Of Sharebased Compensation Restricted Stock Units Perfomance Based Restricted Stock And Total Shareholders Return Award Activity Tabletextblock ScheduleOfSharebasedCompensationRestrictedStockUnitsPerfomanceBasedRestrictedStockAndTotalShareholdersReturnAwardActivityTabletextblock	<p style="text-indent:0.0%;font-size:10.0pt;margin-top:12.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">The following table summarizes the activities of RSUs, PRSUs and TSR awards:</span></p><p style="text-indent:0.0%;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p> <table style="margin-left:auto;border-spacing:0;table-layout:fixed;width:80.0%;border-collapse:separate;margin-right:auto;"> <tr style="visibility:collapse;"> <td style="width:58.54%;"/> <td style="width:0.997%;"/> <td style="width:1.0%;"/> <td style="width:14.974%;"/> <td style="width:1.0%;"/> <td style="width:1.257%;"/> <td style="width:1.0%;"/> <td style="width:20.232999999999997%;"/> <td style="width:1.0%;"/> </tr> <tr style="height:8.0pt;"> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;text-align:left;"><p style="text-indent:0.0pt;font-size:8.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="white-space:pre-wrap;font-size:8.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;text-align:left;"><p style="text-indent:0.0pt;font-size:8.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="white-space:pre-wrap;font-size:8.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td colspan="2" style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;border-bottom:0.5pt solid rgba(0,0,0,1);text-align:left;"><p style="text-indent:0.0pt;font-size:8.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:8.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">Shares <br/>(In thousands)</span></p></td> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;border-bottom:0.5pt solid rgba(255,255,255,0.01);text-align:left;"><p style="text-indent:0.0pt;font-size:8.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="white-space:pre-wrap;font-size:8.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;text-align:left;"><p style="text-indent:0.0pt;font-size:8.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="white-space:pre-wrap;font-size:8.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td colspan="2" style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;border-bottom:0.5pt solid rgba(0,0,0,1);text-align:left;"><p style="text-indent:0.0pt;font-size:8.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:8.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">Weighted Average Fair Value at Grant</span></p></td> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;border-bottom:0.5pt solid rgba(255,255,255,0.01);text-align:left;"><p style="text-indent:0.0pt;font-size:8.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:center;"><span style="white-space:pre-wrap;font-size:8.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> </tr> <tr style="height:10.0pt;"> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:pre-wrap;vertical-align:top;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">Unvested at December 31, 2021</span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:pre-wrap;vertical-align:middle;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:nowrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:right;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">2,304</span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:nowrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:nowrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">$</span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:right;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">30.60</span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:nowrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> </tr> <tr style="height:10.0pt;"> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:top;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">Granted</span></p></td> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:middle;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:nowrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:right;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">3,151</span></p></td> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:nowrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:nowrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:right;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">14.68</span></p></td> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:nowrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> </tr> <tr style="height:10.0pt;"> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:pre-wrap;vertical-align:top;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">Vested</span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:pre-wrap;vertical-align:middle;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:nowrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:right;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">(</span><span style="font-size:10.0pt;font-family:"Times New Roman", serif;background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">1,142</span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:nowrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">)</span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:nowrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:right;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">27.72</span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:nowrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> </tr> <tr style="height:10.0pt;"> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:top;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">Forfeited</span></p></td> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:middle;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:nowrap;vertical-align:bottom;border-bottom:0.5pt solid rgba(0,0,0,1);"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;border-bottom:0.5pt solid rgba(0,0,0,1);text-align:center;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:right;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">(</span><span style="font-size:10.0pt;font-family:"Times New Roman", serif;background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">644</span></p></td> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:nowrap;vertical-align:bottom;border-bottom:0.5pt solid rgba(255,255,255,0.01);"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">)</span></p></td> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:nowrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:right;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">25.06</span></p></td> <td style="background-color:rgba(255,255,255,1);word-break:break-word;white-space:nowrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> </tr> <tr style="height:10.0pt;"> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:pre-wrap;vertical-align:top;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">Unvested at December 31, 2022</span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:pre-wrap;vertical-align:middle;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:nowrap;vertical-align:bottom;border-bottom:2.25pt double rgba(0,0,0,1);"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;border-bottom:2.25pt double rgba(0,0,0,1);text-align:center;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:right;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">3,669</span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:nowrap;vertical-align:bottom;border-bottom:2.25pt double rgba(255,255,255,0.01);"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="white-space:pre-wrap;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:nowrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">$</span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:right;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;">18.80</span></p></td> <td style="background-color:rgba(207,240,252,1);word-break:break-word;white-space:nowrap;vertical-align:bottom;"><p style="text-indent:0.0pt;font-size:10.0pt;margin-top:0.0pt;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="font-size:10.0pt;font-family:"Times New Roman", serif;min-width:fit-content;"> </span></p></td> </tr> </table>
CY2022	us-gaap	Restricted Stock Shares Issued Net Of Shares For Tax Withholdings RestrictedStockSharesIssuedNetOfSharesForTaxWithholdings	779539
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	14.68
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	30.19
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	29.99
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	65601000
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	71161000
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	72720000
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-307056000
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-268499000
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-195617000
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	12187000
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-22184000
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	6888000
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-294869000
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-290683000
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-188729000
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0
CY2022	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	0
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	0
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	0
CY2022	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	358000
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	347000
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	360000
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	358000
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	347000
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	360000
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	0
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	0
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	0
CY2022	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	0
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	0
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	0
CY2022	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	0
CY2021	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	0
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	0
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	0
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	0
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	0
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	358000
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	347000
CY2022	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	360000
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2022	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0
CY2021	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0
CY2022	fgen	Effective Income Tax Rate Reconciliation Deduction Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationDeductionExpenseShareBasedCompensationCost	-0.025
CY2021	fgen	Effective Income Tax Rate Reconciliation Deduction Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationDeductionExpenseShareBasedCompensationCost	-0.018
CY2020	fgen	Effective Income Tax Rate Reconciliation Deduction Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationDeductionExpenseShareBasedCompensationCost	0.024
CY2022	fgen	Effective Income Tax Rate Reconciliation Benefit On Intercompany Transfer Of Assets EffectiveIncomeTaxRateReconciliationBenefitOnIntercompanyTransferOfAssets	0
CY2021	fgen	Effective Income Tax Rate Reconciliation Benefit On Intercompany Transfer Of Assets EffectiveIncomeTaxRateReconciliationBenefitOnIntercompanyTransferOfAssets	0
CY2020	fgen	Effective Income Tax Rate Reconciliation Benefit On Intercompany Transfer Of Assets EffectiveIncomeTaxRateReconciliationBenefitOnIntercompanyTransferOfAssets	0.417
CY2022	fgen	Effective Income Tax Rate Reconciliation Valuation Allowance On Intercompany Transfer Of Assets EffectiveIncomeTaxRateReconciliationValuationAllowanceOnIntercompanyTransferOfAssets	0
CY2021	fgen	Effective Income Tax Rate Reconciliation Valuation Allowance On Intercompany Transfer Of Assets EffectiveIncomeTaxRateReconciliationValuationAllowanceOnIntercompanyTransferOfAssets	0
CY2020	fgen	Effective Income Tax Rate Reconciliation Valuation Allowance On Intercompany Transfer Of Assets EffectiveIncomeTaxRateReconciliationValuationAllowanceOnIntercompanyTransferOfAssets	-0.417
CY2022	fgen	Effective Income Tax Rate Reconciliation Net Operating Losses Not Benefitted EffectiveIncomeTaxRateReconciliationNetOperatingLossesNotBenefitted	-0.163
CY2021	fgen	Effective Income Tax Rate Reconciliation Net Operating Losses Not Benefitted EffectiveIncomeTaxRateReconciliationNetOperatingLossesNotBenefitted	-0.168
CY2020	fgen	Effective Income Tax Rate Reconciliation Net Operating Losses Not Benefitted EffectiveIncomeTaxRateReconciliationNetOperatingLossesNotBenefitted	-0.232
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.009
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.016
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.007
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Deductions EffectiveIncomeTaxRateReconciliationDeductions	-0.002
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Deductions EffectiveIncomeTaxRateReconciliationDeductions	-0.003
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Deductions EffectiveIncomeTaxRateReconciliationDeductions	-0.008
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Gilti Percent EffectiveIncomeTaxRateReconciliationGiltiPercent	0.028
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Gilti Percent EffectiveIncomeTaxRateReconciliationGiltiPercent	0.004
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.002
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.002
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.003
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.001
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.001
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.002
CY2022Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	166708000
CY2021Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	167135000
CY2022Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	106131000
CY2021Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	78832000
CY2022Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Foreign DeferredTaxAssetsOperatingLossCarryforwardsForeign	49990000
CY2021Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Foreign DeferredTaxAssetsOperatingLossCarryforwardsForeign	38117000
CY2022Q4	fgen	Deferred Tax Assetstax Capitalized Research And Development Expenses DeferredTaxAssetstaxCapitalizedResearchAndDevelopmentExpenses	45125000
CY2021Q4	fgen	Deferred Tax Assetstax Capitalized Research And Development Expenses DeferredTaxAssetstaxCapitalizedResearchAndDevelopmentExpenses	0
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	8616000
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	10050000
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Deferred Rent DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent	18442000
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Deferred Rent DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent	20415000
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	4929000
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	6067000
CY2022Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	21624000
CY2021Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	20101000
CY2022Q4	fgen	Deferred Tax Assets Intangible Assets DeferredTaxAssetsIntangibleAssets	69159000
CY2021Q4	fgen	Deferred Tax Assets Intangible Assets DeferredTaxAssetsIntangibleAssets	84625000
CY2022Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1277000
CY2021Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	825000
CY2022Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	492001000
CY2021Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	426167000
CY2022Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	477969000
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	409810000
CY2022Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	14032000
CY2021Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	16357000
CY2022Q4	fgen	Deferred Tax Liabilities Fixed Assets DeferredTaxLiabilitiesFixedAssets	13101000
CY2021Q4	fgen	Deferred Tax Liabilities Fixed Assets DeferredTaxLiabilitiesFixedAssets	16357000
CY2022Q4	fgen	Deferred Tax Liabilities Non Deductibale Accrued Expenses DeferredTaxLiabilitiesNonDeductibaleAccruedExpenses	-931000
CY2021Q4	fgen	Deferred Tax Liabilities Non Deductibale Accrued Expenses DeferredTaxLiabilitiesNonDeductibaleAccruedExpenses	0
CY2022Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	14032000
CY2021Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	16357000
CY2022Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	0
CY2021Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	0
CY2022	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	68200000
CY2021	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	72000000.0
CY2020	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	124000000.0
CY2020Q4	us-gaap	Deferred Tax Asset Intra Entity Transfer Asset Other Than Inventory DeferredTaxAssetIntraEntityTransferAssetOtherThanInventory	78700000
CY2022	fgen	Experience Historical Ownership Changes ExperienceHistoricalOwnershipChanges	0
CY2022	fgen	Corporate Alternative Minimum Tax Percentage CorporateAlternativeMinimumTaxPercentage	0.15
CY2022	fgen	Percentage Of Excise Tax On Stock Buyback PercentageOfExciseTaxOnStockBuyback	0.01
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	72800000
CY2022Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	700000
CY2022	us-gaap	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Estimated Range Not Possible SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimatedRangeNotPossible	The Company does not anticipate a material change to its unrecognized tax benefits over the next twelve months that would affect the Company’s effective tax rate.
CY2022	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1
CY2022	us-gaap	Revenues Revenues	140734000
CY2021	us-gaap	Revenues Revenues	235309000
CY2020	us-gaap	Revenues Revenues	176319000
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	20605000
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	28277000
CY2022Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	435000
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	761000
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	79893000
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	91112000

Files In Submission

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fgen-20221231_pre.xml	Edgar Link	unprocessable

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$FGEN
FIBROGEN INC Stock $fgen

2023 Q1 Form 10-K Financial Statement

#000095017023004668 Filed on February 27, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$FGEN FIBROGEN INC Stock $fgen

2023 Q1 Form 10-K Financial Statement

#000095017023004668 Filed on February 27, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$FGEN
FIBROGEN INC Stock $fgen