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Cash And Cash Equivalents, Short-Term Bank Deposits And Marketable Securities- Additional Information (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Debt Securities, Available-for-sale [Line Items] |  |
Gross unrealized gains on the marketable securities | $ 15.7 | $ 0.4
Prepaid Expenses and Other Current Assets [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Interest receivable | 15.3 | 19.5
Marketable securites [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Gross unrealized gains on the marketable securities | $ 14.2 | $ 51.4

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- Definition Carrying amount as of the balance sheet date of current interest earned but not received. Also called accrued interest or accrued interest receivable. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.8) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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