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v3.20.1

Derivatives - Additional Information (Details) bbl in Thousands | 3 Months Ended
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Mar. 31, 2020 $ / bbl bbl
Credit Derivatives [Line Items] |
Derivative contracts, barrels | 485
Average fixed interest rate | 3.91%
5.00% Convertible Senior Notes due 2021 |
Credit Derivatives [Line Items] |
Debt instrument, interest rate | 5.00%
5.00% Convertible Senior Notes due 2021 | Convertible Debt |
Credit Derivatives [Line Items] |
Debt instrument, interest rate | 5.00%
Futures |
Credit Derivatives [Line Items] |
Derivative contracts, barrels | 485
Swaps |
Credit Derivatives [Line Items] |
Derivative contracts, barrels | 0
Option Collars |
Credit Derivatives [Line Items] |
Derivative contracts, barrels | 75
Purchases |
Credit Derivatives [Line Items] |
Derivative contracts, barrels | 9,485
Purchases | Futures |
Credit Derivatives [Line Items] |
Derivative contracts, barrels | 1,485
Purchases | Swaps |
Credit Derivatives [Line Items] |
Derivative contracts, barrels | 8,000
Sales |
Credit Derivatives [Line Items] |
Derivative contracts, barrels | 9,000
Sales | Futures |
Credit Derivatives [Line Items] |
Derivative contracts, barrels | 1,000
Sales | Swaps |
Credit Derivatives [Line Items] |
Derivative contracts, barrels | 8,000
Minimum | Option Collars |
Credit Derivatives [Line Items] |
Derivative, average price risk option strike price | $ / bbl | 48.77
Maximum | Option Collars |
Credit Derivatives [Line Items] |
Derivative, average price risk option strike price | $ / bbl | 65.00

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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