Stock-Based Compensation - Restricted Stock (Details) $ / shares in Units, $ in Millions		9 Months Ended
	May. 22, 2015 USD ($) director shares	Sep. 30, 2015 USD ($) $ / 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 | $		$ 0.9
Total compensation cost not yet recognized, period for recognition		1 year 6 months
Restricted Stock [Roll Forward]
Beginning, nonvested (in shares)		1,348,917
Granted (in shares)		862,706
Vested (in shares)		(850,077)
Forfeited (in shares)		(931,962)
Ending, nonvested (in shares)		429,584
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
Vested (in dollars per share) | $ / shares		3.91
Forfeited (in dollars per share) | $ / shares		3.82
Ending, nonvested (in dollars per share) | $ / shares		$ 3.90
Board Member
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of new board directors | director	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)