Stock-Based Compensation Summary of Stock Option Activity (Details) (USD $)	3 Months Ended	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period		3 years
Options Outstanding, Weighted Average Remaining Contractual Term (in years)		5 years 0 months 4 days
Options Exercisable, Weighted Average Remaining Contractual Term		3 years 8 months 27 days
Share-based Compensation awards, time-based [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Beginning Balance (in shares)		2,016,231
Options Outstanding, Weighted Average Exercise Price, Beginning Balance (in dollars per share)		$ 4.38
Options Exercisable, Beginning Balance (in shares)		1,690,040
Options Exercisable, Weighted Average Exercise Price, Beginning Balance (in dollars per share)		$ 3.66
Granted (in shares)	60,000	60,000
Granted, Weighted Average Exercise Price (in dollars per share)		$ 7.62
Vested (in shares)		114,617
Vested, Weighted Average Exercise Price (in dollars per share)		$ 8.44
Exercised (in shares)		(6,250)
Exercised, Weighted Average Exercise Price (in dollars per share)		$ 7.84
Canceled/forfeited (in shares)		(28,750)
Canceled/forfeited, Weighted Average Exercise Price (in dollars per share)		$ 7.87
Options Outstanding, Ending Balance (in shares)	2,041,231	2,041,231
Options Outstanding, Weighted Average Exercise Price, Ending Balance (in dollars per share)	$ 4.42	$ 4.42
Options Exercisable, Ending Balance (in shares)	1,798,407	1,798,407
Options Exercisable, Weighted Average Exercise Price, Ending Balance (in dollars per share)	$ 3.95	$ 3.95
Options Outstanding, Weighted Average Remaining Contractual Term (in years)		4 years 3 months 18 days
Options Exercisable, Weighted Average Remaining Contractual Term		3 years 8 months 12 days
Share-based Compensation awards, performanced-based [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Beginning Balance (in shares)		185,000
Options Outstanding, Weighted Average Exercise Price, Beginning Balance (in dollars per share)		$ 8.00
Options Exercisable, Beginning Balance (in shares)		0
Options Exercisable, Weighted Average Exercise Price, Beginning Balance (in dollars per share)		$ 0.00
Granted (in shares)		228,981
Granted, Weighted Average Exercise Price (in dollars per share)		$ 8.89
Exercised (in shares)		0
Exercised, Weighted Average Exercise Price (in dollars per share)		$ 0.00
Canceled/forfeited (in shares)		60,557
Canceled/forfeited, Weighted Average Exercise Price (in dollars per share)		$ 8.67
Options Outstanding, Ending Balance (in shares)	353,424	353,424
Options Outstanding, Weighted Average Exercise Price, Ending Balance (in dollars per share)	$ 8.46	$ 8.46
Options Exercisable, Ending Balance (in shares)	0	0
Options Exercisable, Weighted Average Exercise Price, Ending Balance (in dollars per share)	$ 0.00	$ 0.00
Options Outstanding, Weighted Average Remaining Contractual Term (in years)		9 years 0 months 0 days
Options Exercisable, Weighted Average Remaining Contractual Term		0 years