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v3.19.3.a.u2

Other Commitments (Narrative) (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 USD ($)
Other Commitments [Abstract] |
Purchases related to purchase agreements | $ 1,623

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

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- Definition The amount purchased during the period under an unrecorded unconditional purchase obligation (for example, under the take-or-pay or throughput contract). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 440 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=77896938&loc=d3e25336-109308 + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | debit
Period Type: | duration