Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2020

Summary of Asset and Liability Fair Values

The table below summarizes certain asset and liability fair values that are included within our accompanying Condensed Consolidated Balance Sheets, and their designations among the three fair value measurement categories:


	September 30, 2020 Fair Value Measurements
	Level 1		Level 2		Level 3		Total
Assets:
Money market funds	$	59,923	$	—	$	—	$	59,923
Equity securities	14,129		—		—		14,129
Government-related debt securities	90,337		—		—		90,337
Corporate debt securities	—		16,485		—		16,485
Bank CDs	—		3,174		—		3,174
Mutual funds	4,553		9		—		4,562
Key employee life insurance, cash surrender value(1)	—		3,651		—		3,651
	$	168,942	$	23,319	$	—	$	192,261
Liabilities:
Deferred executive compensation liability(2)	$	—	$	8,376	$	—	$	8,376
	$	—	$	8,376	$	—	$	8,376

(1) Included within other assets on our Condensed Consolidated Balance Sheets, and the amount is based on the stated cash surrender value of life insurance policies of named current and former employees at each period-end.

(2) Included within other liabilities on our Condensed Consolidated Balance Sheets, and the amount is based on the period-end market value of mutual fund investments selected by employee participants of the deferred compensation plan.


	December 31, 2019 Fair Value Measurements
	Level 1		Level 2		Level 3		Total
Assets:
Government-related debt securities	$	47,636	$	14,990	$	—	$	62,626
Corporate debt securities	—		58,248		—		58,248
Money market funds	54,199		—		—		54,199
Equity securities	31,047		—		—		31,047
Bank CDs	—		7,376		—		7,376
Mutual funds	5,158		11		—		5,169
Key employee life insurance, cash surrender value(1)	—		3,547		—		3,547
	$	138,040	$	84,172	$	—	$	222,212
Liabilities:
Deferred executive compensation liability(2)	$	—	$	8,746	$	—	$	8,746
	$	—	$	8,746	$	—	$	8,746