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Stockholders' Equity - Common Stock Follow-On Offering (Details) - USD ($) $ in Thousands, shares in Millions			9 Months Ended
	Sep. 16, 2015	Sep. 11, 2015	Sep. 30, 2015	Sep. 30, 2014
Class of Stock [Line Items]
Common stock, shares authorized		1.5
Proceeds from issuances of common stock, net	$ 23,576		$ 23,576	$ 5,952
Selling Stockholders [Member]
Class of Stock [Line Items]
Common stock, shares authorized		1.5

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

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