Fair value disclosures (Tables)

6 Months Ended

Jun. 30, 2021

Fair Value Disclosures [Abstract]

Schedule of fair value of financial assets

The following table presents the Company's assets that are measured at fair value on a recurring basis (in thousands):  

	As of June 30, 2021								As of December 31, 2020
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Assets
Short-term investments:
Money market funds	$	27,672	$	—	$	—	$	27,672	$	27,669	$	—	$	—	$	27,669
Other long-term assets:
Mutual funds held in Rabbi Trust	$	834	$	—	$	—	$	834	$	810	$	—	$	—	$	810