Share-based Compensation (Details) (USD $)	3 Months Ended			9 Months Ended
	Sep. 30, 2012	Mar. 31, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Share-based Compensation [Abstract]
Number of stock-based compensation plans				3
Common stock option granted (in shares)		500,000	500,000
Common stock option vested in one year (in shares)		40,000	40,000
Common stock option vested in four year (in shares)		460,000	460,000
Weighted-average fair value of the stock options issued (in dollars per share)		$ 5.06	$ 3.82
Stock option exercised (in shares)	7,500		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%	2.19%
Expected dividend yield (in hundredths)				0.00%	0.00%
Expected volatility (in hundredths)				72.90%	53.10%
Expected lives (years)				4 years 9 months 29 days	5 years 5 months 19 days
Unrecognized compensation cost related to unvested awards under share-based plans	$ 5,700,000			$ 5,700,000
Cost expected to be recognized over a weighted average period				2 years 2 months 12 days
Stock-based compensation expense				1,872,000	1,276,000
Shares [Roll Forward]
Granted (in shares)		500,000	500,000
Exercised (in shares)	(7,500)		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)				12,500
Shares [Roll Forward]
Outstanding, beginning of period (in shares)		2,745,115		2,745,115
Granted (in shares)				500,000
Exercised (in shares)				(12,500)
Expired (in shares)				(16,000)
Forfeited (in shares)				(128,248)
Outstanding, end of period (in shares)	3,088,367			3,088,367
Exercisable, end of period (in shares)	1,677,367			1,677,367
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)				$ 10.00
Forfeited (in dollars per share)				$ 9.07
Outstanding, end of period (in dollars per share)	$ 9.89			$ 9.89
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 2 months 8 days
Exercisable, end of period				4 years 1 month 24 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