Fair Value and Equity Investments (Tables)

12 Months Ended

Dec. 31, 2021

Fair Value and Equity Investments [Abstract]

Assets (Liabilities) Measured at Fair Value on a Recurring Basis

The following tables present the fair value hierarchy for those assets and liabilities measured at fair value on a recurring basis (U.S. dollars in thousands):

	Fair Value at December 31, 2021
	Level 1		Level 2		Level 3			Total
Financial assets (liabilities):
Cash equivalents and current investments	$	66,477	$	—	$	—		$	66,477
Derivative financial instruments asset		—		6,590		—			6,590
Life insurance contracts		—		—		49,851			49,851
Contingent consideration		—		—		(10,341	)		(10,341	)
Total	$	66,477	$	6,590	$	39,510		$	112,577

	Fair Value at December 31, 2020
	Level 1		Level 2			Level 3			Total
Financial assets (liabilities):
Cash equivalents and current investments	$	56,628	$	—		$	—		$	56,628
Derivative financial instruments asset		—		1,145			—			1,145
Life insurance contracts		—		—			45,453			45,453
Derivative financial instruments liability		—		(105	)		—			(105	)
Contingent consideration		—		—			(3,125	)		(3,125	)
Total	$	56,628	$	1,040		$	42,328		$	99,996

Changes in Fair Value of Level 3 Life Insurance Contracts

The following table provides a summary of changes in fair value of the Company’s Level 3 life insurance contracts (U.S. dollars in thousands):

	2021			2020
Beginning balance at January 1	$	45,453		$	41,707
Actual return on plan assets		5,153			3,746
Purchases and issuances		6,261			—
Sales and settlements		(7,016	)		—
Transfers into Level 3		—			—
Ending balance at December 31	$	49,851		$	45,453

Changes in Fair Value of Level 3 Contingent Consideration

The following table provides a summary of changes in fair value of the Company’s Level 3 contingent consideration (U.S. dollars in thousands):

	2021			2020
Beginning balance at January 1	$	(3,125	)	$	—
Additions from acquisitions		(8,702	)		(3,125	)
Changes in fair value of contingent consideration		1,486			—
Ending balance at December 31	$	(10,341	)	$	(3,125	)