Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
REVENUES:
Revenue	$ 152,400	$ 169,194
OPERATING EXPENSES:
General and administrative expense, exclusive of depreciation expense shown below	19,567	17,437
Depreciation	5,042	5,239
Amortization	399	348
Impairments	122,204
Other (income) expense, net	(970)	2,373
OPERATING INCOME (LOSS)	(108,973)	16,414
Interest expense	3,411	3,726
Income (loss) from continuing operations before income tax expense	(112,384)	12,688
Income tax expense (benefit)	(4,046)	(27,610)
Income (loss) from continuing operations	(108,338)	40,298
Income (loss) from discontinued operations, net of income taxes		259
Net income (loss)	(108,338)	40,557
Net income (loss) attributable to non-controlling interest	83	47
Net income (loss) attributable to Core Laboratories N.V.	$ (108,421)	$ 40,510
EARNINGS (LOSS) PER SHARE INFORMATION:
Basic earnings (loss) per share from continuing operations	$ (2.44)	$ 0.91
Basic earnings (loss) per share attributable to Core Laboratories N.V.	(2.44)	0.91
Diluted earnings (loss) per share from continuing operations	(2.44)	0.90
Diluted earnings (loss) per share from discontinued operations		0.01
Diluted earnings (loss) per share attributable to Core Laboratories N.V.	$ (2.44)	$ 0.91
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic (in shares)	44,447	44,323
Assuming Dilution (in shares)	44,447	44,734
Service [Member]
REVENUES:
Revenue	$ 109,967	$ 120,338
OPERATING EXPENSES:
Cost of services and product sales exclusive of depreciation expense shown below	80,941	92,359
Product [Member]
REVENUES:
Revenue	42,433	48,856
OPERATING EXPENSES:
Cost of services and product sales exclusive of depreciation expense shown below	$ 34,190	$ 35,024