Stock-Based Compensation (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Weighted average assumptions used to estimate fair value of stock options granted under the Stock and Incentive Plan
Weighted average fair value of stock option awards granted during the year	$ 3.91	$ 5.95
2003 Stock and Incentive Plan [Member]
Weighted average assumptions used to estimate fair value of stock options granted under the Stock and Incentive Plan
Stock option pricing model	Black Scholes Merton	Black Scholes Merton	Black Scholes Merton
Expected option life	2 years 5 months 9 days	324 days	1 year 15 days
Risk-free interest rate	0.69%	0.25%	0.37%
Volatility	51.51%	54.28%	61.41%
Dividend yield	0.00%	0.00%	0.00%
Estimated forfeiture rate	0.79%	0.70%	1.04%
2012 Incentive Plan [Member]
Weighted average assumptions used to estimate fair value of stock options granted under the Stock and Incentive Plan
Stock option pricing model	Black Scholes Merton
Expected option life	3 years 11 months 16 days	4 years 5 months 9 days
Risk-free interest rate	0.69%	0.71%
Volatility	58.65%	71.16%
Dividend yield	0.00%	0.00%
Estimated forfeiture rate	6.37%	5.46%