Goodwill and Intangibles Assets (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Goodwill and Intangibles Assets [Abstract]
Impairment charges for goodwill and intangible assets	$ 0	$ 0	$ 0
Identifiable intangible assets, amortization period	15 years
Identifiable intangibles [Abstract]
Gross Carrying Value	3,734,000	3,734,000
Accumulated Amortization	3,006,000	2,835,000
Unamortizable goodwill [Abstract]
Gross Carrying Value	5,289,000	5,289,000
Accumulated Amortization	0	0
Amortization expense of intangible assets	171,000	171,000	171,000
Estimated amortization expense of identifiable intangibles [Abstract]
2013	171,000
2014	171,000
2015	171,000
2016	171,000
2017	44,000
Estimated amortization expense of identifiable intangibles, Total	$ 728,000