Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2022

Fair Value Disclosures [Abstract]

Fair Value of Financial Assets and Liabilities

The following tables present information about the fair value of the Company’s financial assets and liabilities as of December 31, 2022 and 2021 and indicate the level of the fair value hierarchy utilized to determine such fair values:

	Fair Value Measurements as of December 31, 2022 Using:
	Level 1		Level 2		Level 3		Total
Assets:
Certificates of deposit—restricted cash	$	—	$	1,013	$	—	$	1,013
Money market mutual funds		90,984		—		—		90,984
	$	90,984	$	1,013	$	—	$	91,997

	Fair Value Measurements as of December 31, 2021 Using:
	Level 1		Level 2		Level 3		Total
Assets:
Certificates of deposit—restricted cash	$	—	$	1,001	$	—	$	1,001
Money market mutual funds		93,792		—		—		93,792
Forward currency forward contract		—		5		—		5
	$	93,792	$	1,006	$	—	$	94,798
Liabilities:
SARs	$	—	$	—	$	358	$	358

Summary of Changes in Fair Values of SARs Liability

The following table provides a summary of changes in the fair values of the Company’s SARs liability, for which fair value is determined by Level 3 inputs:

	Year Ended December 31,
	2022			2021			2020
Fair value at beginning of the year	$	358		$	493		$	264
Change in fair value		(159	)		—			229
Exercises		(199	)		(135	)		—
Fair value at end of year	$	—		$	358		$	493

Summary of Company's Cash and Cash Equivalents

The Company’s cash, cash equivalents and restricted cash as of December 31, 2022 and 2021 consisted of the following:

	December 31,
	2022		2021
Cash	$	35,328	$	60,911
Cash equivalents and restricted cash:
Restricted cash		3,113		3,101
Money market mutual funds		90,984		93,792
Total cash equivalents and restricted cash		94,097		96,893
Total cash, cash equivalents and restricted cash	$	129,425	$	157,804