XML 65 R53.htm IDEA: XBRL DOCUMENT
v3.25.3

Debt and Credit Agreements - Schedule of Facility Fees and Debt-Related Income (Expense) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Schedule of Facility Fees and Debt-Related Income [Line Items] |  |  |  |
Facility fees and debt-related income (expense) | $ (2,508) | $ (2,978) | $ (7,739) | $ (8,687)
Facility Fees and Debt-Related Income (Expense) |  |  |  |
Schedule of Facility Fees and Debt-Related Income [Line Items] |  |  |  |
Unused Debt Commitment And Amendment Fees | 0 | 0 | (212) | 0
Securitization And Factoring Fees | (2,508) | (2,653) | (7,527) | (8,362)
Gain (loss) on extinguishment of debt | $ 0 | $ (325) | $ 0 | $ (325)

X
- Definition Facility Fees And Debt-Related Income (Expense) + References No definition available. + Details
Name: | nvri_FacilityFeesAndDebtRelatedIncomeExpense
Namespace Prefix: | nvri_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Schedule of Facility Fees and Debt-Related Income [Line Items] + References No definition available. + Details
Name: | nvri_ScheduleOfFacilityFeesAndDebtRelatedIncomeLineItems
Namespace Prefix: | nvri_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Securitization And Factoring Fees + References No definition available. + Details
Name: | nvri_SecuritizationAndFactoringFees
Namespace Prefix: | nvri_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Unused Debt Commitment And Amendment Fees + References No definition available. + Details
Name: | nvri_UnusedDebtCommitmentAndAmendmentFees
Namespace Prefix: | nvri_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481303/470-50-40-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481303/470-50-40-4 + Details
Name: | us-gaap_GainsLossesOnExtinguishmentOfDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=nvri_FacilityFeesAndDebtRelatedIncomeExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |