XML 91 R73.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Commitments and Contingencies - Min (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Commitments and Contingencies |  |  |
Minimum period of operating lease | 30 days |  |
Rental expense relating to operating leases | $ 9.3 | $ 12.4 | $ 15.9

X
- Definition Represents the minimum period of operating lease. + References No definition available. + Details
Name: | nbr_MinimumPeriodOfOperatingLease
Namespace Prefix: | nbr_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of operating lease expense. Excludes sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918638-209977 + Details
Name: | us-gaap_OperatingLeaseExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration