Consolidated Statement of Other Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Net income	$ 15,117	$ 31,042
Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments	(1,620)	(1,140)
Derivative Instruments, Loss Reclassified from Accumulated OCI into Income, Effective Portion	213	243
Income taxes on derivatives	518	0
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	(889)	(897)
Amortization to net income of transition asset	0	(22)
Amortization to net income of prior service cost	(19)	(19)
Amortization to net income of actuarial loss	148	183
Income taxes on pension and other postretirement benefit plans	(32)	(35)
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	97	107
Other Comprehensive Income (Loss), Net of Tax	(792)	(790)
Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss) [Abstract]
Comprehensive income	14,325	30,252
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest	35	(357)
Comprehensive income attributable to Core Laboratories N.V.	$ 14,290	$ 30,609