Debt Obligations (Schedule Of Debt Obligations) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Debt Instrument [Line Items]
Long-term debt (current maturities)		$ 1,139
Long-term debt (long-term portion)	14,095
Long-term debt	14,095	1,139
Short-term debt		5,600
Total debt obligations	14,095	6,739
CoBank ACB, Unsecured Term Credit Facility [Member]
Debt Instrument [Line Items]
Long-term debt (current maturities)		1,139
CoBank ACB Revolving Loan Facility [Member]
Debt Instrument [Line Items]
Long-term debt (long-term portion)	8,595
Short-term debt		5,000
Provident Bank Credit Line [Member]
Debt Instrument [Line Items]
Long-term debt (long-term portion)	4,000
Short-term debt		600
TriState Capital Bank [Member]
Debt Instrument [Line Items]
Long-term debt (long-term portion)	$ 1,500