Commitments, Contingencies and Concentrations of Credit Risk (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Operating Leased Assets [Line Items]
Operating Leases, Rent Expense	$ 1,094,000	$ 805,000	$ 710,000
Operating Leases, Future Minimum Payments, Next Rolling Twelve Months	920,000
Operating Leases, Future Minimum Payments, Due in Rolling Year Two	932,000
Operating Leases, Future Minimum Payments, Due in Rolling Year Three	803,000
Operating Leases, Future Minimum Payments, Due in Rolling Year Four	796,000
Operating Leases, Future Minimum Payments, Due in Rolling Year Five	803,000
Operating Leases, Future Minimum Payments, Due in Rolling after Year Five	$ 7,289,000