CONDENSED CONSOLIDATED STATEMENTS OF INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Revenues and other income:
Operating revenues	$ 734,194	$ 562,550
Earnings (losses) from unconsolidated affiliates	2	2
Investment income (loss)	465	721
Total revenues and other income	734,661	563,273
Costs and other deductions:
Direct costs	475,403	387,644
General and administrative expenses	74,571	63,409
Research and engineering	15,806	11,757
Depreciation and amortization	213,448	203,672
Interest expense	61,386	56,518
Other, net	14,089	13,510
Total costs and other deductions	854,703	736,510
Income (loss) from continuing operations before income taxes	(120,042)	(173,237)
Income tax expense (benefit):
Current	8,771	22,689
Deferred	14,774	(48,298)
Total income tax expense (benefit)	23,545	(25,609)
Income (loss) from continuing operations, net of tax	(143,587)	(147,628)
Income (loss) from discontinued operations, net of tax	(75)	(439)
Net income (loss)	(143,662)	(148,067)
Less: Net (income) loss attributable to noncontrolling interest	(539)	(917)
Net income (loss) attributable to Nabors	(144,201)	(148,984)
Amounts attributable to Nabors:
Net income (loss) from continuing operations	(144,126)	(148,545)
Net income (loss) from discontinued operations	(75)	(439)
Net income (loss) attributable to Nabors	$ (144,201)	$ (148,984)
Earnings (losses) per share:
Basic from continuing operations (in dollars per share)	$ (0.46)	$ (0.52)
Total Basic (in dollars per share)	(0.46)	(0.52)
Diluted from continuing operations (in dollars per share)	(0.46)	(0.52)
Total Diluted (in dollars per share)	$ (0.46)	$ (0.52)
Weighted-average number of common shares outstanding:
Basic (in shares)	308,788	277,781
Diluted (in shares)	308,788	277,781
Dividends declared per common share (in dollars per share)	$ 0.06	$ 0.06