Loss per Share - Computation of Basic and Diluted Net Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended								11 Months Ended	12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Numerator:
Net loss attributed to common shareholders	$ (1.0)	$ (4.6)	$ (5.5)	$ (4.3)	$ (7.0)	$ 0.1	$ (1.1)	$ 0.2	$ (5.3)	$ (15.4)	$ (7.8)	$ (5.3)
Less: Restricted stock dividends										(1.0)	(0.8)	(0.6)
Less: Restricted stock dividends										(1.0)	(0.8)	(0.6)
Net loss available to stockholders, Basic										(16.4)	(8.6)	(5.9)
Net loss available to stockholders, Diluted										$ (16.4)	$ (8.6)	$ (5.9)
Denominator:
Weighted average common outstanding - basic (in shares)										54.3	29.2	20.9
Performance-based restricted stock (in shares)										0.0	0.0	0.0
Convertible securities (in shares)										0.0	0.0	0.0
Weighted average shares outstanding- diluted (in shares)										54.3	29.2	20.9
EPS:
Net loss per share- basic (in dollars per share)										$ (0.30)	$ (0.30)	$ (0.28)
Effect of dilutive shares (in dollars per share)										0.00	0.00	0.00
Loss per share - diluted (in dollars per share)										$ (0.30)	$ (0.30)	$ (0.28)
Restricted Stock
EPS:
Anti-dilutive securities excluded from diluted earning per share (in shares)										1.9	0.8	0.2
Operating Partnership Units
EPS:
Anti-dilutive securities excluded from diluted earning per share (in shares)										13.1	34.3	42.6