Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2024

Fair Value Measurements

Summary of financial assets and liabilities measured on recurring basis

	June 30, 2024								December 31, 2023
	Level I		Level II		Level III		Total		Level I		Level II		Level III		Total
	(in thousands)
Financial Assets:
Cash, cash equivalents and restricted cash (1)	$	796,798	$	—	$	—	$	796,798	$	642,095	$	—	$	—	$	642,095
U.S. Treasury securities		58,814		—		—		58,814		200,418		—		—		200,418
Municipal securities		—		31,485		—		31,485		—		36,464		—		36,464
Total financial assets	$	855,612	$	31,485	$	—	$	887,097	$	842,513	$	36,464	$	—	$	878,977