Restructuring (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Restructuring Cost and Reserve
Restructuring charges	$ 18,000	$ 18,000	$ 2,210,000	$ 112,000
Payments			1,400,000
Restructuring Reserve	600,000		600,000
Restructuring Reserve, Current	400,000		400,000
Restructuring Reserve, Noncurrent	200,000		200,000
Employee Severance [Member]
Restructuring Cost and Reserve
Restructuring charges	10,000		1,200,000
Payments			1,200,000
Restructuring Reserve	0		0
Facility Closing - Branch Office Closure [Member]
Restructuring Cost and Reserve
Restructuring charges	10,000		800,000
Payments			200,000
Restructuring Reserve	600,000		600,000
Facility Closing [Member]
Restructuring Cost and Reserve
Restructuring charges			1,000,000
Impairment of Fixed Assets			$ 200,000