Investments (Tables)

3 Months Ended

Mar. 31, 2020

Investments [Abstract]

Schedule of investments in available-for-sale securities at fair values

Investments in available-for-sale securities at fair value were as follows for the periods ended (in thousands):

	March 31, 2020
Description of the Securities	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Allowance for Credit Losses		Fair Value
Agency securities	$	811	$	3	$	—	$	—	$	814
Corporate securities	37,697		12		(11)		(147)		37,551
Total	$	38,508	$	15	$	(11)	$	(147)	$	38,365

	December 31, 2019
Description of the Securities	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Agency securities	$	1,681	$	1	$	—	$	1,682
Corporate securities	49,027		6		(149)		48,884
Government securities	9,124		5		—		9,129
Total	$	59,832	$	12	$	(149)	$	59,695