XML 110 R34.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

DERIVATIVES. (Tables) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2019 | Dec. 31, 2018
Derivative Instruments and Hedging Activities Disclosure [Abstract] |  |
Schedule of derivatives not designated as hedging instruments | The classification and amounts of the Company's derivatives not designated as hedging instruments, and related cash collateral balances, are as follows (in thousands):
|  | As of September 30, 2019
|  | Assets |  | Liabilities
Type of Instrument |  | Balance Sheet Location |  | Fair Value |  |  | Balance Sheet Location |  | Fair Value |
Cash collateral balance |  | Other current assets |  | $ | 2,400 |  |  |  |  |  |  |
Commodity contracts |  | Derivative instruments |  | $ | 2,790 |  |  | Derivative instruments |  | $ | 3,619 |
|  | As of December 31, 2018
|  | Assets |  | Liabilities
Type of Instrument |  | Balance Sheet Location |  | Fair Value |  |  | Balance Sheet Location |  | Fair Value |
Cash collateral balance |  | Other current assets |  | $ | 8,479 |  |  |  |  |  |  |
Commodity contracts |  | Derivative instruments |  | $ | 1,765 |  |  | Derivative instruments |  | $ | 6,309
| The classification and amounts of the Company's derivatives not designated as hedging instruments, and related cash collateral balances, are as follows (in thousands):
|  | As of December 31, 2018
|  | Assets |  | Liabilities
Type of Instrument |  | Balance Sheet Location |  | Fair Value |  |  | Balance Sheet Location |  | Fair Value |
Cash collateral balance |  | Other current assets |  | $ | 8,479 |  |  |  |  |  |  |
Commodity contracts |  | Derivative assets |  | $ | 1,765 |  |  | Derivative liabilities |  | $ | 6,309 |
|  | As of December 31, 2017
|  | Assets |  | Liabilities
Type of Instrument |  | Balance Sheet Location |  | Fair Value |  |  | Balance Sheet Location |  | Fair Value |
Cash collateral balance |  | Other current assets |  | $ | 3,813 |  |  |  |  |  |  |
Commodity contracts |  | Derivative assets |  | $ | 998 |  |  | Derivative liabilities |  | $ | 2,307 |
Schedule of recognized gains (losses) on derivatives | The classification and amounts of the Company's recognized gains (losses) for its derivatives not designated as hedging instruments are as follows (in thousands):
|  |  |  | Realized Gains |
|  |  |  | Three Months Ended September 30, |
Type of Instrument |  | Statements of Operations Location |  | 2019 |  |  | 2018 |
Commodity contracts |  | Cost of goods sold |  | $ | 2,262 |  |  | $ | 916 |
|  |  |  | Unrealized Losses |
|  |  |  | Three Months Ended September 30, |
Type of Instrument |  | Statements of Operations Location |  | 2019 |  |  | 2018 |
Commodity contracts |  | Cost of goods sold |  | $ | (5,582 | ) |  | $ | (1,907 | )
|  |  |  | Realized Losses |
|  |  |  | Nine Months Ended September 30, |
Type of Instrument |  | Statements of Operations Location |  | 2019 |  |  | 2018 |
Commodity contracts |  | Cost of goods sold |  | $ | (2,150 | ) |  | $ | (1,241 | )
|  |  |  | Unrealized Gains (Losses) |
|  |  |  | Nine Months Ended September 30, |
Type of Instrument |  | Statements of Operations Location |  | 2019 |  |  | 2018 |
Commodity contracts |  | Cost of goods sold |  | $ | 3,715 |  |  | $ | (3,121 | )
| The classification and amounts of the Company's recognized gains (losses) for its derivatives not designated as hedging instruments are as follows (in thousands):
|  |  |  | Realized Gains (Losses) |
|  |  |  | For the Years Ended December 31, |
Type of Instrument |  | Statements of Operations Location |  | 2018 |  |  | 2017 |  |  | 2016 |
Commodity contracts |  | Cost of goods sold |  | $ | (3,479 | ) |  | $ | (4,165 | ) |  | $ | 1,386 |
|  |  |  | $ | (3,479 | ) |  | $ | (4,165 | ) |  | $ | 1,386 |
|  |  |  | Unrealized Gains (Losses) |
|  |  |  | For the Years Ended December 31, |
Type of Instrument |  | Statements of Operations Location |  | 2018 |  |  | 2017 |  |  | 2016 |
Commodity contracts |  | Cost of goods sold |  | $ | (3,235 | ) |  | $ | 2,088 |  |  | $ | (3,370 | )
|  |  |  | $ | (3,235 | ) |  | $ | 2,088 |  |  | $ | (3,370 | )

X
- References No definition available. + Details
Name: | us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959 + Details
Name: | us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of derivative instrument not designated or qualifying as hedging instrument. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4CC -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL109998890-113959 + Details
Name: | us-gaap_ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration