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Fair Value Measurements - Reconciliation of Beginning and Ending Balances of Assets Measured at Fair Value on Recurring Basis Using Significant Unobservable Inputs (Level 3) (Detail) $ in Thousands | 9 Months Ended
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Sep. 30, 2019 USD ($)
3.25% convertible senior notes due 2020 | Level 3 | Fair Value Measurements, Recurring |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
Beginning Balance | $ 27,974
Change in fair value | 2,529
Extinguishment of convertible senior notes ($29.6 million face value) | (30,503)
Ending Balance | 0
3.25% convertible senior notes due 2023 | Level 3 | Fair Value Measurements, Recurring |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
Beginning Balance | 0
New issuance | 37,916
Change in fair value | 465
Ending Balance | 48,635
Oasis Management and Oasis Investments ll Master Fund Ltd. | 3.25% convertible senior notes due 2023 |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
New issuance | $ 10,254

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- Definition Amount of gain (loss) recognized on the income statement for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258 + Details
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