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Assets and Liabilities Measured at Fair Value (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2017 USD ($)
Realized and Unrealized Gains (Losses) on Financial Instruments
Realized and unrealized gains (losses)	$ 981
Zero-strike call option
Realized and Unrealized Gains (Losses) on Financial Instruments
Realized and unrealized gains (losses)	$ 981

X

- Definition

This item represents the amount of the total realized and unrealized gains or losses for the period which are included in the statement of income (or changes in net assets); the fair value of which assets and liabilities was or is measured on a recurring basis using significant unobservable inputs (Level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Details

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