Cash Equivalents and Investments (Tables)

9 Months Ended

Sep. 30, 2020

Investments, Debt and Equity Securities [Abstract]

Schedule of Investments

Investments held at September 30, 2020 and December 31, 2019 are summarized as follows (in thousands):

	September 30, 2020		December 31, 2019
Corporate securities	$	56,680	$	32,962
Municipal debt securities		13,523		29,066
Federal home loan securities		6,529		8,013
Certificates of deposit		4,842		4,469
	$	81,574	$	74,510