Significant Accounting Policies - Concentration of Credit Risk, Accounts Receivable And Inventory, Net (Details) - USD ($) |
Dec. 31, 2021 |
Dec. 31, 2020 |
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| Accounting Policies [Abstract] | ||
| Cash held in banks outside of the United States | $ 28,200,000 | $ 10,900,000 |
| Allowance for doubtful accounts | $ 0 | $ 0 |
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- References No definition available.
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- Definition Amount of allowance for credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of deposits held by branches of foreign institutions. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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