Marketable Securities and Fair Value Measurements - Additional Information (Details) - USD ($)	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Gain (Loss) on Securities [Line Items]
Allowances for credit losses	$ 0		$ 0
Marketable securities in an unrealized gain (loss)	$ 513,000	$ 0	513,000	$ 0
Minimum [Member]
Gain (Loss) on Securities [Line Items]
Marketable securities in an unrealized gain (loss)			$ 131,000,000.0

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Name:	us-gaap_FinancingReceivableAllowanceForCreditLosses
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant