XML 72 R43.htm IDEA: XBRL DOCUMENT
v3.22.4

Fair Value Measurements and Marketable Securities Available-for-Sale - Schedule of Marketable Securities with Continuous Unrealized Losses (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items] |  |
Less than 12 Months, Fair Value | $ 253,605 | $ 523,282
Less than 12 Months, Unrealized Losses | (1,650) | (1,714)
12 Months or Greater, Fair Value | 212,814 | 0
12 Months or Greater, Unrealized Losses | (3,962) | 0
Debt Securities, Available-for-Sale, Unrealized Loss Position, Total | 466,419 | 523,282
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss, Total | (5,612) | (1,714)
Certificate of deposits [Member] |  |
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items] |  |
Less than 12 Months, Fair Value | 7,139 | 0
Less than 12 Months, Unrealized Losses | (20) |
12 Months or Greater, Fair Value | 0 | 0
12 Months or Greater, Unrealized Losses | 0 | 0
Debt Securities, Available-for-Sale, Unrealized Loss Position, Total | 7,139 |
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss, Total | (20) | 0
Commercial Paper [Member] |  |
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items] |  |
Less than 12 Months, Fair Value | 26,938 | 0
Less than 12 Months, Unrealized Losses | (88) | 0
12 Months or Greater, Fair Value | 0 | 0
12 Months or Greater, Unrealized Losses | 0 | 0
Debt Securities, Available-for-Sale, Unrealized Loss Position, Total | 26,938 |
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss, Total | (88) | 0
US Treasury and Government [Member] |  |
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items] |  |
Less than 12 Months, Fair Value | 150,126 | 218,106
Less than 12 Months, Unrealized Losses | (977) | (738)
12 Months or Greater, Fair Value | 101,095 | 0
12 Months or Greater, Unrealized Losses | (1,906) | 0
Debt Securities, Available-for-Sale, Unrealized Loss Position, Total | 251,221 | 218,106
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss, Total | (2,883) | (738)
Corporate Debt Securities [Member] |  |
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items] |  |
Less than 12 Months, Fair Value | 69,402 | 279,557
Less than 12 Months, Unrealized Losses | (565) | (782)
12 Months or Greater, Fair Value | 108,748 | 0
12 Months or Greater, Unrealized Losses | (2,023) | 0
Debt Securities, Available-for-Sale, Unrealized Loss Position, Total | 178,150 | 279,557
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss, Total | (2,588) | (782)
Municipal Bonds [Member] |  |
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items] |  |
Less than 12 Months, Fair Value | 0 | 10,821
Less than 12 Months, Unrealized Losses | 0 | (28)
12 Months or Greater, Fair Value | 2,971 | 0
12 Months or Greater, Unrealized Losses | (33) | 0
Debt Securities, Available-for-Sale, Unrealized Loss Position, Total | 2,971 | 10,821
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss, Total | $ (33) | (28)
Exchange Traded Funds [Member] |  |
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items] |  |
Less than 12 Months, Fair Value |  | 14,798
Less than 12 Months, Unrealized Losses |  | (166)
12 Months or Greater, Fair Value |  | 0
12 Months or Greater, Unrealized Losses |  | 0
Debt Securities, Available-for-Sale, Unrealized Loss Position, Total |  | 14,798
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss, Total |  | $ (166)

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=124269663&loc=SL82922890-210455 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27337-111563 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 55 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=121590138&loc=SL82922954-210456 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27337-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=124269663&loc=SL82922890-210455 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27337-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=124269663&loc=SL82922890-210455 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 55 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=121590138&loc=SL82922954-210456 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=124269663&loc=SL82922890-210455 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27337-111563 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position without allowance for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27290-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=124269663&loc=SL82922888-210455 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 55 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=121590138&loc=SL82922954-210456 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27290-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(2) -URI https://asc.fasb.org/extlink&oid=124269663&loc=SL82922888-210455 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=nuvb_CertificateOfDepositsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CommercialPaperMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USTreasuryAndGovernmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_MunicipalBondsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_ExchangeTradedFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |