Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2021

Fair Value Disclosures [Abstract]

Assets Measured at Fair Value on Recurring Basis

Assets measured at fair value on a recurring basis are summarized below (in thousands).

	Level 1		Level 2		Level 3		Total at March 31, 2021
Equity Security	$	11	$	—	$	—	$	11
Equity Mutual Fund		—		5,907		—		5,907
U.S. Treasury Mutual Fund		13,282		—		—		13,282

	Level 1		Level 2		Level 3		Total at December 31, 2020
Equity Security	$	11	$	—	$	—	$	11
Equity Mutual Fund		—		5,780		—		5,780
U.S. Treasury Mutual Fund		13,282		—		—		13,282