Fair Value Measurements - Additional Information (Details) - Measurement Input, Interest Rate [Member] - Level 3 [Member] |
Jun. 30, 2019 |
Dec. 31, 2018 |
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| Minimum [Member] | ||
| Fair Value, Option, Quantitative Disclosures [Line Items] | ||
| Investments, measurement input | 0.01 | 0.01 |
| Maximum [Member] | ||
| Fair Value, Option, Quantitative Disclosures [Line Items] | ||
| Investments, measurement input | 0.04 | 0.04 |
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- Definition Value of input used to measure investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition 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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