Share-based Compensation (Details) (USD $)	3 Months Ended			6 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Share-based Compensation [Abstract]
Number of stock-based compensation plans				3
Common stock option granted (in shares)		500,000	10,000
Common stock option vested in one year (in shares)		40,000
Common stock option vested in four year (in shares)		460,000
Weighted-average fair value of the stock options issued (in dollars per share)		$ 5.06	$ 4.97
Stock option exercised (in shares)	0		0
Fair value of grant on date of grant using the Black-Scholes options pricing model [Abstract]
Risk-free interest rate (in hundredths)				1.97%	2.96%
Expected dividend yield (in hundredths)				0.00%	0.00%
Expected volatility (in hundredths)				72.90%	55.07%
Expected lives (years)				4 years 9 months 29 days	5 years 4 months 24 days
Unrecognized compensation cost related to unvested awards under share-based plans	$ 6,400,000			$ 6,400,000
Cost expected to be recognized over a weighted average period				2 years 6 months
Stock-based compensation expense				1,253,000	814,000
Shares [Roll Forward]
Granted (in shares)		500,000	10,000
Exercised (in shares)	0		0
Stock appreciation rights [Member]
Shares [Roll Forward]
Outstanding, beginning of period (in shares)		60,000		60,000
Granted (in shares)				0
Exercised (in shares)				0
Expired/Forfeited (in shares)				(60,000)
Outstanding, end of period (in shares)	0			0
Weighted-average price [Roll forward]
Outstanding, beginning of period (in dollars per share)		$ 11.41		$ 11.41
Granted (in dollars per share)				$ 0
Exercised (in dollars per share)				$ 0
Expired/Forfeited (in dollars per share)				$ 11.41
Outstanding, end of period (in dollars per share)	$ 0			$ 0
Average remaining contractual term (years) [Abstract]
Granted				0 years
Exercised				0 years
Expired/forfeited				0 years
Outstanding				0 years
Equity compensations plans [Member]
Share-based Compensation [Abstract]
Common stock option granted (in shares)				500,000
Stock option exercised (in shares)				5,000
Shares [Roll Forward]
Outstanding, beginning of period (in shares)		2,745,115		2,745,115
Granted (in shares)				500,000
Exercised (in shares)				(5,000)
Expired (in shares)				0
Forfeited (in shares)				(20,874)
Outstanding, end of period (in shares)	3,219,241			3,219,241
Exercisable, end of period (in shares)	1,584,741			1,584,741
Weighted average exercise price [Roll Forward]
Outstanding, beginning of period (in dollars per share)		$ 10.10		$ 10.10
Granted (in dollars per share)				$ 8.50
Exercised (in dollars per share)				$ 7.81
Expired (in dollars per share)				$ 0
Forfeited (in dollars per share)				$ 9.16
Outstanding, end of period (in dollars per share)	$ 9.86			$ 9.86
Weighted-average remaining contractual term (years) [Abstract]
Granted				0 years
Exercised				0 years
Expired				0 years
Forfeited				0 years
Outstanding, end of period				6 years 5 months 16 days
Exercisable, end of period				3 years 4 months 12 days
Aggregate intrinsic value [Abstract]
Granted				0
Exercised				0
Expired				0
Forfeited				0
Outstanding, end of period	0			0
Exercisable, end of period	$ 0			$ 0