The cash inflow from the additional capital contribution to the entity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Glossary Financing Activities

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-Name Accounting Standards Codification

-Topic 230

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

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-Paragraph 2

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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-Name Regulation S-X (SX)

-Number 210

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Stockholder's Equity (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	6 Months Ended
	May. 31, 2015	Jun. 30, 2015	Jun. 30, 2014
Subsidiary, Sale of Stock [Line Items]
Net proceeds received on sale		$ 5,407	$ 1
Secondary Offering \| Common Class A
Subsidiary, Sale of Stock [Line Items]
Number of shares sold	3,195,583
Share price (in dollars per share)	$ 12.00
Over-Allotment Option \| Common Class A
Subsidiary, Sale of Stock [Line Items]
Share price (in dollars per share)	$ 12.00
Shares issued on sale	479,337
Net proceeds received on sale	$ 5,400