Stock-Based Compensation - Restricted Stock (Details) $ / shares in Units, $ in Millions		6 Months Ended
	May. 22, 2015 USD ($) member shares	Jun. 30, 2015 USD ($) $ / shares shares
Restricted Stock [Roll Forward]
Vested (in shares)		(690,662)
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized compensation expense related to non-vested stock | $		$ 1.5
Total compensation cost not yet recognized, period for recognition		1 year 4 months 24 days
Restricted Stock [Roll Forward]
Beginning, nonvested (in shares)		1,348,917
Granted (in shares)		862,706
Grant adjustments (in shares)		0
Vested (in shares)		(807,239)
Forfeited (in shares)		(867,445)
Ending, nonvested (in shares)		536,939
Weighted Average Grant Date Fair Value Per Share [Roll Forward]
Beginning, nonvested (in dollars per share) | $ / shares		$ 3.81
Granted (in dollars per share) | $ / shares		3.97
Grants adjustments (in dollars per share) | $ / shares		0.00
Vested (in dollars per share) | $ / shares		4.19
Forfeited (in dollars per share) | $ / shares		3.76
Ending, nonvested (in dollars per share) | $ / shares		$ 3.57
Board Member
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of new board directors | member	3
Board Member | Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash payment to settle awards | $	$ 1.0
Restricted Stock [Roll Forward]
Vested (in shares)	(225,347)
Forfeited (in shares)	(866,820)