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v3.20.2

Long-Term Debt - Schedule of Long-Term Debt (Parenthetical) (Detail) | 1 Months Ended | 6 Months Ended
--- | --- | ---
May 31, 2020 | Aug. 31, 2018 | Mar. 31, 2018 | Jun. 30, 2020
2.625% Convertible Senior Notes Due 2024 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate |  |  | 2.625% | 2.625%
Debt instrument maturity date |  |  | Mar. 15, 2024 | Mar. 15, 2024
7.875% Senior Notes Due 2025 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate | 7.875% |  |  | 7.875%
Debt instrument maturity date | Sep. 01, 2025 |  |  | Sep. 01, 2025
7.250% Senior Notes Due 2026 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate |  | 7.25% |  | 7.25%
Debt instrument maturity date |  | Aug. 15, 2026 |  | Aug. 15, 2026

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- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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