Restructuring Charges (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	$ 700,000
Restructuring charges	1,900,000	2,700,000	300,000
Payments	(1,700,000)
Restructuring reserve, ending balance	900,000	700,000
Restructuring charges, continuing operations	813,000	566,000	34,000
Restructuring charges, discontinued operations	1,100,000	2,100,000	270,000
Restructuring reserve, current	870,000	444,000
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	0
Restructuring charges	1,300,000
Payments	(800,000)
Restructuring reserve, ending balance	500,000	0
Restructuring charges, discontinued operations		900,000
Facility Closing - Branch Office Closure [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	700,000
Restructuring charges	600,000
Payments	(900,000)
Restructuring reserve, ending balance	400,000	700,000
Restructuring charges, discontinued operations		1,200,000
Accrued Liabilities [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, current	870,000
Other Long-Term Liabilities [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, noncurrent	$ 80,000