Acquired Intangible Assets (Narrative) (Details) (USD $)	12 Months Ended			1 Months Ended	12 Months Ended		1 Months Ended	12 Months Ended	1 Months Ended	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Feb. 28, 2013 Customer Lists [Member]	Dec. 31, 2013 Customer Lists [Member] Maximum [Member]	Dec. 31, 2013 Customer Lists [Member] Minimum [Member]	Feb. 28, 2013 Noncompete Agreements [Member]	Dec. 31, 2013 Noncompete Agreements [Member]	Feb. 28, 2013 Software [Member]	Dec. 31, 2013 Software [Member]	Dec. 31, 2013 Other Intangible Assets [Member]
Finite-lived intangible assets acquired				$ 3,183,000			$ 261,000		$ 234,000
Amortization period					7 years	10 years		5 years		3 years	15 years
Amortization of intangible assets	535,000	581,000	107,000
2014	482,000
2015	404,000
2016	404,000
2017	352,000
2018	$ 352,000