Leases (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Leases [Abstract]
Operating Leases, Rent Expense, Net	$ 560,000	$ 508,000	$ 433,000
Operating Leases, Future Minimum Payments Receivable:
2013	636,000
2014	619,000
2015	676,000
2016	686,000
2017	$ 619,000