Intangible Assets (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Amortization of intangible assets	$ 147	$ 147	$ 294	$ 286
2013	535		535
2014	482		482
2015	404		404
2016	404		404
2017	$ 352		$ 352
Customer Lists [Member] | Maximum [Member]
Intangible assets amortization period			10 years
Customer Lists [Member] | Minimum [Member]
Intangible assets amortization period			7 years
Non-compete Agreements [Member]
Intangible assets amortization period			5 years
Software [Member]
Intangible assets amortization period			3 years
Other [Member]
Intangible assets amortization period			15 years