Investments in Available-for-Sale Securities (Tables)

3 Months Ended

Mar. 31, 2020

Investments in Available-for-Sale Securities

Available-for-sale Securities

The Company’s investments in available-for-sale marketable securities are as follows:

	March 31, 2020
											Balance Sheet
			Gross					Allowance			Classification
			Unrealized					for Credit	Fair		Short-Term
	Cost Basis		Gains		Losses			Losses	Value		Investments
	(In thousands)
Available-for-sale:
U.S. government and agency securities	$	38,286	$	86	$	—	$	—	$	38,372	$	38,372
Corporate notes and bonds		91,258		159		(732)		—		90,685		90,685
Total Investments	$	129,544	$	245	$	(732)	$	—	$	129,057	$	129,057

	December 31, 2019
											Balance Sheet
			Gross					Allowance			Classification
			Unrealized					for Credit	Fair		Short-Term
	Cost Basis		Gains			Losses		Losses	Value		Investments
	(In thousands)
Available-for-sale:
U.S. government and agency securities	$	35,044	$	1	$	(16)	$	—	$	35,029	$	35,029
Corporate notes and bonds		100,643		200		(205)		—		100,638		100,638
Total Investments	$	135,687	$	201	$	(221)	$	—	$	135,667	$	135,667