Short-Term Investments (Tables)

12 Months Ended

Dec. 31, 2020

Investments, Debt and Equity Securities [Abstract]

Schedule of available for sale short-term investments

The following table represents the Company’s available for sale short-term investments by major security type (amounts in thousands):

	December 31, 2020
	Amortized Cost		Gross Unrealized Loss		Total Fair Value
Short-term investments:
U.S. government securities	$	177,614	$	(63)	$	177,551
Total short-term investments	$	177,614	$	(63)	$	177,551

	December 31, 2019
	Amortized Cost		Gross Unrealized Gain/(Loss)		Total Fair Value
Short-term investments:
Corporate securities	$	5,375	$	(17)	$	5,358
U.S. government securities	26,645		71		26,716
Total short-term investments	$	32,020	$	54	$	32,074