Commitments and Contingencies (Details 4) (USD $)	12 Months Ended		1 Months Ended	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2009	Mar. 31, 2011	Dec. 31, 2006	Mar. 19, 2012
Commitments and Contingencies, Disclosure
Litigation amount as per judgment	$ 4,425,000
Litigation settlement fine (as percent)	50.00%
Court of Ouargla Algeria Customs Infringement
Commitments and Contingencies, Disclosure
Litigation amount as per judgment		16,400,000
Amount paid to customs authority	3,100,000
Posted security paid	1,330,000
Court of Ouargla Algeria Customs Infringement | Maximum
Commitments and Contingencies, Disclosure
Potential judgment in excess of accrual	12,000,000
Court of Ouargla Algeria Foreign Currency Controls
Commitments and Contingencies, Disclosure
Litigation amount as per judgment			32,200,000
Payment of contract amount in foreign currency				7,500,000
Payment of contract amount in domestic currency				3,200,000
Approximate multiplier of the amount at issue for fines and penalties	4
Court of Ouargla Algeria Foreign Currency Controls | Maximum
Commitments and Contingencies, Disclosure
Potential judgment in excess of accrual	24,200,000
Erg Resources Llcv Nabors Global Holdings 2 Et Al
Commitments and Contingencies, Disclosure
Escrow Deposit					3,000,000
Erg Resources Llcv Nabors Global Holdings 2 Et Al | Maximum
Commitments and Contingencies, Disclosure
Monetary damages sought based on alleged breach of contract by NGH2L and alleged tortious interference with contractual relations by Parex	$ 750,000,000