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Supplemental Financial Information - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands | Jun. 30, 2026 | Dec. 31, 2025
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Supplemental Financial Information [Abstract] |  |
Right-of-use assets | $ 23,387 | $ 99,767
Current lease liabilities | $ 19,812 | $ 93,382

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- Definition Supplemental financial information. + References No definition available. + Details
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Namespace Prefix: | ne_
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Balance Type: | na
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- Definition Present value of lessee's discounted obligation for lease payments from finance lease, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479041/842-20-45-1 + Details
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Period Type: | instant

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- Definition Amount, after accumulated amortization, of right-of-use asset from finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479041/842-20-45-1 + Details
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