Subsequent Events (Details) - USD ($) $ / shares in Units, $ in Thousands		6 Months Ended
	Jul. 25, 2016	Jun. 30, 2016
Subsequent Event
Net proceeds		$ 65,100
Over-Allotment Option
Subsequent Event
Share price	$ 14.00
Net proceeds	$ 3,700
Subsequent event | Over-Allotment Option
Subsequent Event
Number of shares issued	289,633
Share price	$ 14.00
Gross proceeds from issuance of common stock	$ 4,100
Net proceeds	3,700
Underwriting commission	$ 300