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Marketable Securities - Continuous Unrealized Loss Position (Details) $ in Thousands |
Mar. 31, 2020
USD ($) |
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| Debt Securities, Available-for-sale [Line Items] | |
| Fair Value | $ 320,429 |
| Gross Unrealized Losses | (3,319) |
| Corporate debt securities | |
| Debt Securities, Available-for-sale [Line Items] | |
| Fair Value | 304,859 |
| Gross Unrealized Losses | (3,301) |
| Municipal securities | |
| Debt Securities, Available-for-sale [Line Items] | |
| Fair Value | 2891年 |
| Gross Unrealized Losses | (9) |
| U.S. Government agency securities | |
| Debt Securities, Available-for-sale [Line Items] | |
| Fair Value | 10,669 |
| Gross Unrealized Losses | (8) |
| U.S. Treasury securities | |
| Debt Securities, Available-for-sale [Line Items] | |
| Fair Value | 2010年 |
| Gross Unrealized Losses | $ (1) |
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- Definition
Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position without allowance for credit loss. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition
Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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