Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
REVENUES:
Revenue	$ 470,252	$ 487,267	$ 668,210
OPERATING EXPENSES:
General and administrative expenses, exclusive of depreciation expense shown below	44,173	34,033	48,023
Depreciation	17,754	19,727	20,812
Amortization	762	1,140	1,793
Impairments and other charges	0	122,204	0
Inventory write-down	0	10,375	0
Other (income) expense, net	(5,595)	1,826	5,319
OPERATING INCOME (LOSS)	45,262	(76,805)	96,684
Interest expense	9,152	14,372	14,690
Income (loss) from continuing operations before income tax	36,110	(91,177)	81,994
Income tax expense (benefit)	15,891	5,896	(12,290)
Income (loss) from continuing operations	20,219	(97,073)	94,284
Income (loss) from discontinued operations, net of income tax	0	(424)	7,833
Net income (loss)	20,219	(97,497)	102,117
Net income (loss) attributable to non-controlling interest	492	140	134
Net income (loss) attributable to Core Laboratories N.V.	$ 19,727	$ (97,637)	$ 101,983
EARNINGS (LOSS) PER SHARE INFORMATION:
Basic earnings (loss) per share from continuing operations	$ 0.44	$ (2.18)	$ 2.13
Basic earnings (loss) per share from discontinued operations	0	(0.01)	0.17
Basic earnings (loss) per share attributable to Core Laboratories N.V.	0.43	(2.20)	2.30
Diluted earnings (loss) per share from continuing operations	0.43	(2.18)	2.11
Diluted earnings (loss) per share from discontinued operations	0	(0.01)	0.17
Diluted earnings (loss) per share attributable to Core Laboratories N.V.	$ 0.42	$ (2.20)	$ 2.28
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic (in shares)	46,009,000	44,477,000	44,357,000
Assuming dilution (in shares)	46,690,000	44,477,000	44,646,000
Service [Member]
REVENUES:
Revenue	$ 344,342	$ 376,421	$ 474,193
OPERATING EXPENSES:
Cost of services and product sales exclusive of depreciation expense and inventory write-down shown below	267,641	279,281	345,641
Product [Member]
REVENUES:
Revenue	125,910	110,846	194,017
OPERATING EXPENSES:
Cost of services and product sales exclusive of depreciation expense and inventory write-down shown below	$ 100,255	$ 95,486	$ 149,938