Debt Obligations (Schedule Of Debt Obligations) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Debt Instrument [Line Items]
Short-term debt	$ 10,126
Long-term debt	297	14,095
Total debt obligations	10,423	14,095
Capital Leases And Other Borrowings [Member]
Debt Instrument [Line Items]
Short-term debt	428
Long-term debt	297
CoBank ACB Revolving Loan Facility [Member]
Debt Instrument [Line Items]
Long-term debt		8,595
Provident Bank Credit Line [Member]
Debt Instrument [Line Items]
Long-term debt		4,000
TriState Capital Bank [Member]
Debt Instrument [Line Items]
Short-term debt	9,698
Long-term debt		$ 1,500