Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		6 Months Ended
	Jul. 07, 2015	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Net loss available to common stockholders		$ 4,795	$ 2,909	$ (1,369)	$ 576
Shares outstanding:
Basic (in shares)		46,516,614	23,311,492	46,505,687	23,311,492
Diluted (in shares)		46,657,618	23,311,492	46,505,687	23,311,492
Basic (in dollars per share)		$ 0.10	$ 0.12	$ (0.03)	$ 0.02
Diluted (in dollars per share)		$ 0.10	$ 0.12	$ (0.03)	$ 0.02
Maximum
Common stock offered to underwriters	$ 80,000
Forecast
Proceeds from issuance of common stock	$ 60,000