CONDENSED CONSOLIDATED STATEMENTS OF INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenues and other income:
Operating revenues	$ 771,406	$ 761,920	$ 1,571,046	$ 1,496,114
Earnings (losses) from unconsolidated affiliates		(1)	(5)	1
Investment income (loss)	469	(3,164)	10,146	(2,699)
Total revenues and other income	771,875	758,755	1,581,187	1,493,416
Costs and other deductions:
Direct costs	496,664	493,975	1,017,621	969,378
General and administrative expenses	64,415	67,823	132,582	142,394
Research and engineering	11,920	12,439	25,440	28,245
Depreciation and amortization	218,319	218,262	428,710	431,710
Interest expense	51,491	60,592	103,843	121,978
Impairments and other charges	102,570	69,620	99,903	76,664
Other, net	7,899	7,981	28,068	15,026
Total costs and other deductions	953,278	930,692	1,836,167	1,785,395
Income (loss) from continuing operations before income taxes	(181,403)	(171,937)	(254,980)	(291,979)
Income tax expense (benefit):
Current	16,504	3,464	32,366	12,235
Deferred	(5,106)	19,814	8,831	34,588
Total income tax expense (benefit)	11,398	23,278	41,197	46,823
Income (loss) from continuing operations, net of tax	(192,801)	(195,215)	(296,177)	(338,802)
Income (loss) from discontinued operations, net of tax	(34)	(584)	(191)	(659)
Net income (loss)	(192,835)	(195,799)	(296,368)	(339,461)
Less: Net (income) loss attributable to noncontrolling interest	(10,729)	(2,953)	(24,905)	(3,492)
Net income (loss) attributable to Nabors	(203,564)	(198,752)	(321,273)	(342,953)
Less: Preferred stock dividend	(4,312)	(3,680)	(8,625)	(3,680)
Net income (loss) attributable to Nabors common shareholders	(207,876)	(202,432)	(329,898)	(346,633)
Amounts attributable to Nabors common shareholders:
Net income (loss) from continuing operations	(207,842)	(201,848)	(329,707)	(345,974)
Net income (loss) from discontinued operations	(34)	(584)	(191)	(659)
Net income (loss) attributable to Nabors common shareholders	$ (207,876)	$ (202,432)	$ (329,898)	$ (346,633)
Earnings (losses) per share:
Basic from continuing operations (in dollars per share)	$ (0.61)	$ (0.61)	$ (0.97)	$ (1.08)
Total Basic (in dollars per share)	(0.61)	(0.61)	(0.97)	(1.08)
Diluted from continuing operations (in dollars per share)	(0.61)	(0.61)	(0.97)	(1.08)
Total Diluted (in dollars per share)	$ (0.61)	$ (0.61)	$ (0.97)	$ (1.08)
Weighted-average number of common shares outstanding:
Basic (in shares)	351,543	328,372	351,154	318,580
Diluted (in shares)	351,543	328,372	351,154	318,580