Cash and Cash Equivalents (Tables)

12 Months Ended

Dec. 31, 2020

Cash and Cash Equivalents [Abstract]

Schedule of Available-for-Sale Securities

Available for sale securities, including carrying value and estimated fair values, are summarized as follows:

	As of December 31, 2020
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
U.S. Treasury securities	$	54,225	$	8	$	—	$	54,233
Corporate debt securities	79,282		4		(10)		79,276
Asset-backed securities	10,164		1		—		10,165
Total	$	143,671	$	13	$	(10)	$	143,674

Schedule of Changes in Accumulated Other Comprehensive Income (Loss) for Unrealized Loss on Available for Sale Securities

The changes in accumulated other comprehensive income (loss) associated with the unrealized loss on available for sale securities for the years ended December 31, 2020 and December 31, 2019 were as follows:

	Years ended December 31,
	2020		2019
Beginning balance	$	—	$	—
Current period changes in fair value before reclassifications, net of tax	3		—
Amounts reclassified from accumulated other comprehensive income, net of tax	—		—
Total other comprehensive income	$	3	$	—
Ending balance	$	3	$	—