Marketable Securities - Additional Information (Details)	6 Months Ended		12 Months Ended
	Jun. 30, 2022 USD ($) Security	Jun. 30, 2021 USD ($)	Dec. 31, 2021 USD ($) Security
Marketable Securities [Abstract]
Number of available-for-sale debt securities, continuous unrealized loss position for less than 12 months | Security	119		113
Aggregate fair value of available-for-sale debt securities, continuous unrealized loss position for less than 12 months	$ 381,900,000		$ 515,400,000
Number of available-for-sale debt securities, contractual maturity of less than 12 months | Security	92		79
Fair value of available-for-sale debt securities, contractual maturity of less than 12 months	$ 315,400,000		$ 394,400,000
Number of available-for-sale debt securities, contractual maturity of greater than 12 months | Security	41		37
Fair value of available-for-sale debt securities, contractual maturity of greater than 12 months	$ 90,182,000		$ 125,187,000
Sales of marketable securities	0	$ 0
Available-for-sale securities, credit losses	$ 0		$ 0