Goodwill and Other Intangible Assets (Details) (USD $)	3 Months Ended	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Finite-Lived Intangible Assets, Net [Abstract]
Goodwill, Gross Carrying Amount	$ 21,156,000	$ 21,156,000	$ 21,156,000
Goodwill, Impairment	(3,948,000)	(3,948,000)	0
Goodwill, Net Carrying Amount	17,208,000	17,208,000	21,156,000	14,327,000
Goodwill and other intangible assets, Gross Carrying Amount	32,084,000	32,084,000	31,984,000
Goodwill and other intangible assets, Accumulated Amortization	(8,309,000)	(8,309,000)	(3,551,000)
Goodwill and other intangible assets, net carrying amount	23,775,000	23,775,000	28,433,000
Goodwill and other intangible asset impairment	4,191,000	4,191,000	0	0
Changes in carrying amount of goodwill [Roll Forward]
Beginning Balance		21,156,000	14,327,000
Acquisitions			6,829,000
Impairment		(3,948,000)
Ending Balance	17,208,000	17,208,000	21,156,000	14,327,000
Amortization expense related to purchased intangible assets		1,800,000	1,700,000	799,000,000
2013	2,000,000	2,000,000
2014	2,000,000	2,000,000
2015	1,500,000	1,500,000
2016	700,000	700,000
2017	527,000	527,000
Trademarks [Member]
Finite-Lived Intangible Assets, Net [Abstract]
Amortizable intangible assets, Gross Carrying Amount	1,285,000	1,285,000	1,785,000
Amortizable intangible assets, Accumulated Amortization	(571,000)	(571,000)	(742,000)
Amortizable intangible assets, Net Carrying Amount	714,000	714,000	1,043,000
Customer Relationships [Member]
Finite-Lived Intangible Assets, Net [Abstract]
Amortizable intangible assets, Gross Carrying Amount	9,643,000	9,643,000	9,043,000
Amortizable intangible assets, Accumulated Amortization	(3,790,000)	(3,790,000)	(2,809,000)
Amortizable intangible assets, Net Carrying Amount	$ 5,853,000	$ 5,853,000	$ 6,234,000