Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Accounting Policies [Abstract]

Schedule of Property, Plant and Equipment, Useful life

We estimate the useful lives and salvage values of our assets based on historical data as follows:

Buildings and leasehold improvements	3 - 40 years
Machinery and equipment	3 - 10 years

Schedule of Other Assets

Other assets consist of the following (in thousands):

	December 31,
	2021		2020
Cash surrender value of life insurance policies	$	32,511	$	31,201
Investments in unconsolidated affiliates		4,156		4,094
Other		4,746		4,955
Total other assets	$	41,413	$	40,250

Schedule of Weighted Average Number of Shares

The following table summarizes the calculation of weighted average common shares outstanding used in the computation of basic and diluted earnings per share (in thousands):

	For the Years Ended December 31,
	2021		2020		2019
Weighted average common shares outstanding - basic		46,009		44,477		44,357
Effect of dilutive securities:
Performance shares		542		—		242
Restricted shares		139		—		47
Weighted average common shares outstanding - assuming dilution		46,690		44,477		44,646

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

For the year ended December 31, 2020, the number of outstanding performance shares and restricted shares of Core Laboratories N.V. common stock that were excluded from diluted earnings per share calculation, as their impact would be antidilutive, were as follows (in thousands):

	December 31, 2020
Performance shares		308
Restricted shares		189