XML 16 R53.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Commitments and Contingencies (Details 4) (USD $) In Thousands, unless otherwise specified | Jun. 30, 2013
--- | ---
Summary of total maximum amount of financial guarantees issued |
Remainder of 2013 | $ 16,513
2014 | 18,402
Total | $ 34,915

X
- Details
Name: | nbr_FinancialGuaranteesFutureMaximumAmountsIssuedAbstract
Namespace Prefix: | nbr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of the Guarantee obligations maximum exposure maturing in the remainder of the fiscal year following the latest fiscal year ended. + References No definition available. + Details
Name: | nbr_GuaranteeObligationsMaximumExposureInYearOne
Namespace Prefix: | nbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of the Guarantee obligations maximum exposure maturing in the second fiscal year following the latest fiscal year ended. + References No definition available. + Details
Name: | nbr_GuaranteeObligationsMaximumExposureInYearTwo
Namespace Prefix: | nbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 45 -Paragraph 13 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248 + Details
Name: | us-gaap_GuaranteeObligationsMaximumExposure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant