Rental And Lease Information (Future Minimum Lease Payment Table) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014
Rental and Lease Information [Abstract]
Capital Leases, Future Minimum Payments Due, Next Twelve Months	$ 156
Capital Leases, Future Minimum Payments Due in Two Years	149
Capital Leases, Future Minimum Payments Due in Three Years	91
Capital Leases, Future Minimum Payments Due in Four Years	68
Capital Leases, Future Minimum Payments Due in Five Years	11
Capital Leases, Future Minimum Payments Due Thereafter	0
Capital Leases, Total minimum lease payments	475
Less amount representing interest	28
Total present value of minimum payments	447
Less current portion of such obligations	142
Long-term obligations with interest rates ranging from 1.74% to 8.46%	305
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum	2.95%
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum	5.25%
Operating Leases, Future Minimum Payments Due, Next Twelve Months	2,512
Operating Leases, Future Minimum Payments, Due in Two Years	1,850
Operating Leases, Future Minimum Payments, Due in Three Years	1,809
Operating Leases, Future Minimum Payments, Due in Four Years	1,635
Operating Leases, Future Minimum Payments, Due in Five Years	1,484
Operating Leases, Future Minimum Payments, Due Thereafter	7,818
Operating Leases, Total minimum lease payments	$ 17,108