Fair Value Measurements and Fair Value of Financial Instruments - Narrative (Details) $ in Millions	Jun. 30, 2022 USD ($) Securities	Dec. 31, 2021 USD ($) Securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investments in a continuous unrealized loss position, 12 Months or longer \| Securities	0	0
Available-for-sale investments with remaining maturities between one and two years	$ 4.9
Available-for-sale investments with remaining maturities	1 year
Accrued interest receivable	$ 0.6	$ 0.3
Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Available-for-sale investments with remaining maturities	1 year
Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Available-for-sale investments with remaining maturities	2 years

Interest, dividends, rents, ancillary and other revenues earned but not yet received by the entity on its investments.

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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as noncurrent.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without an allowance for credit loss. Includes beneficial interest in securitized financial asset.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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Period between issuance and maturity of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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