Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2023

Fair Value Measurements

Schedule of assets measured at fair value on a recurring basis

As of December 31, 2023 and 2022, the Company held certain assets that are required to be measured at fair value on a recurring basis. Assets measured at fair value on a recurring basis are summarized below (in thousands):

	Fair Value Measurements as of December 31, 2023
	Total		Level 1		Level 2		Level 3
Marketable Securities
Bonds and bond funds	$	677,074	$	—	$	677,074	$	—
Commercial paper		9,872		—		9,872		—
	$	686,946	$	—	$	686,946	$	—
Investments in Other Companies		15,402		2,925		—		12,477
Cash and Cash Equivalents		148,277		148,277		—		—
Total Assets Measured at Fair Value	$	850,625	$	151,202	$	686,946	$	12,477

	Fair Value Measurements as of December 31, 2022
	Total		Level 1		Level 2		Level 3
Marketable Securities
Bonds and bond funds	$	624,254	$	—	$	624,254	$	—
Commercial paper		319,977		—		319,977		—
	$	944,231	$	—	$	944,231	$	—
Investments in Other Companies		21,380		7,200		—		14,180
Cash and Cash Equivalents		102,984		102,984		—		—
Total Assets Measured at Fair Value	$	1,068,595	$	110,184	$	944,231	$	14,180