Common Stock - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	Feb. 03, 2014	Dec. 31, 2015	Dec. 31, 2014	Mar. 20, 2014	Dec. 31, 2013
Class of Stock [Line Items]
Common stock, outstanding (shares)		36,300,777	10,163,206
Gross proceeds including shares issued under DRIP		$ 902.9	$ 252.9
Dividends declared per day (in dollars per share)	$ 0.0000465753
Dividends declared per share (in dollars per share)	$ 1.7
Common stock, issued (shares)		36,300,777	10,163,206
Distribution reinvestment plan
Class of Stock [Line Items]
Common stock, issued (shares)		828,217	63,998
Common Stock
Class of Stock [Line Items]
Common stock, outstanding (shares)		36,300,777	10,163,206	114,497	8,888