Debt Obligations (Schedule Of Debt Obligations) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Debt Instrument [Line Items]
Long-term debt	$ 147	$ 14,095
Short-term debt	14,764
Total debt obligations	14,911	14,095
Capital Leases And Other Borrowings [Member]
Debt Instrument [Line Items]
Long-term debt	147
Short-term debt	241
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]
Long-term debt		1,500
Short-term debt	$ 14,523