CONDENSED CONSOLIDATED STATEMENTS OF INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Revenues and other income:
Operating revenues	$ 799,640	$ 734,194
Earnings (losses) from unconsolidated affiliates	(5)	2
Investment income (loss)	9,677	465
Total revenues and other income	809,312	734,661
Costs and other deductions:
Direct costs	520,957	475,403
General and administrative expenses	68,167	74,571
Research and engineering	13,520	15,806
Depreciation and amortization	210,391	213,448
Interest expense	52,352	61,386
Other, net	17,502	14,089
Total costs and other deductions	882,889	854,703
Income (loss) from continuing operations before income taxes	(73,577)	(120,042)
Income tax expense (benefit):
Current	15,862	8,771
Deferred	13,937	14,774
Total income tax expense (benefit)	29,799	23,545
Income (loss) from continuing operations, net of tax	(103,376)	(143,587)
Income (loss) from discontinued operations, net of tax	(157)	(75)
Net income (loss)	(103,533)	(143,662)
Less: Net (income) loss attributable to noncontrolling interest	(14,176)	(539)
Net income (loss) attributable to Nabors	(117,709)	(144,201)
Less: Preferred stock dividend	(4,313)
Net income (loss) attributable to Nabors common shareholders	(122,022)	(144,201)
Amounts attributable to Nabors common shareholders:
Net income (loss) from continuing operations	(121,865)	(144,126)
Net income (loss) from discontinued operations	(157)	(75)
Net income (loss) attributable to Nabors common shareholders	$ (122,022)	$ (144,201)
Earnings (losses) per share:
Basic from continuing operations (in dollars per share)	$ (0.36)	$ (0.46)
Total Basic (in dollars per share)	(0.36)	(0.46)
Diluted from continuing operations (in dollars per share)	(0.36)	(0.46)
Total Diluted (in dollars per share)	$ (0.36)	$ (0.46)
Weighted-average number of common shares outstanding:
Basic (in shares)	350,764	308,788
Diluted (in shares)	350,764	308,788