Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	Jun. 30, 2016	Apr. 29, 2016	Dec. 31, 2015
Class Of Stock [Line Items]
Preferred stock, shares authorized	100,000,000
Preferred stock, par value	$ 0.0001
Preferred stock, shares issued	0
Common stock, shares authorized	300,000,000
Common stock, shares issued	29,489,247
Common stock, shares outstanding	29,489,247	28,412,054
Common stock, par value	$ 0.0001
Additional paid-in capital	$ 520,336		$ 0
Spin-off from CHS [Member]
Class Of Stock [Line Items]
Preferred stock, shares authorized	100,000,000
Preferred stock, par value	$ 0.0001
Preferred stock, shares issued	0
Common stock, shares authorized		300,000,000
Common stock, shares issued	29,489,247	28,412,054
Common stock, shares outstanding	29,489,247
Common stock, par value		$ 0.0001
Additional paid-in capital	$ 518,500