Derivatives - Schedule of Derivative Instruments (Details) $ in Thousands	12 Months Ended
Dec. 31, 2017 USD ($)
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Realized gains, net	$ 37
Unrealized gains, net	6
Total	$ 43

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- Definition

Amount of realized and unrealized gain of derivative instruments not designated or qualifying as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959

+ Details

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- Definition

Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

+ References

+ Details

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- Definition

Amount of realized and unrealized loss of derivative instruments not designated or qualifying as hedging instruments.

+ References

+ Details

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