Shareholders' Equity (Details) - Private Placement $ / shares in Units, $ in Millions	Sep. 21, 2016 USD ($) $ / shares shares
Class of Stock [Line Items]
Number of shares sold | shares	6,055,341
Sale price of stock (in dollars per share) | $ / shares	$ 6.56
Proceeds from private investment in public equity | $	$ 39.7
Percentage of common shares outstanding (as a percentage)	19.90%