Pension and Other Post-Retirement Benefits (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Measurement date	12/31/2012	12/31/2011
Change in benefit obligation
Projected benefit obligation at beginning of year	$ 404,000	$ 376,000
Interest cost	87,000	28,000
Projected benefit obligation at end of year	491,000	404,000	376,000
Change in plan assets:
Fair value of plan assets at beginning of year	0	0
Employer contributions	33,000	24,000
Plan participant contributions	373,000	370,000	157,000
Benefits paid	(33,000)	(24,000)
Fair value of plan assets at end of year	0	0	0
Funded status at end of year recognized in the the Company's consolidated balance sheets	$ (491,000)	$ (404,000)