Goodwill and Intangibles - Intangible Assets Amortization Expense (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization of intangibles with finite lives	$ 222	$ 87	$ 554	$ 263
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]
2012 (remainder)			208
2013			799
2014			782
2015			598
2016			560
2017			508
Thereafter			1,422
Total future amortization expense of intangible assets			$ 4,877