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Investments in Unconsolidated Affiliates (Details) - USD ($)
$ in Thousands, shares in Millions
3 Months Ended
Mar. 24, 2015
Mar. 31, 2016
Mar. 31, 2015
May. 24, 2015
Investments in Unconsolidated Affiliates        
Cash consideration in merger     $ 693,450  
Summarized income statement (loss) information for investment in unconsolidated affiliates        
Nabors' share of equity method earnings (losses)   $ (167,151) 6,502  
Joint Venture in Saudi Arabia        
Investments in Unconsolidated Affiliates        
Percentage of outstanding and issued common shares held       49.00%
C&J Energy Services, Ltd.        
Investments in Unconsolidated Affiliates        
Cash consideration in merger $ 693,500      
Cash proceeds from merger after working capital requirements $ 650,100      
Common shares held in merged entity 62.5      
Percentage of outstanding and issued common shares held 53.00%      
Lag in recording share in net income   3 months    
Other-than-temporary impairment   $ 153,400    
Estimated gross gain in merger     $ 102,200  
Transaction costs related to the merger $ 49,600      
Summarized income statement (loss) information for investment in unconsolidated affiliates        
Gross revenues   409,011    
Gross margin   37,417    
Net income (loss)   (321,742)    
Nabors' share of equity method earnings (losses)   (167,145)    
C&J Energy Services, Ltd. | Other expense (income)        
Investments in Unconsolidated Affiliates        
Charge against receivables   $ 23,800