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Long-Term Debt Long-Term Debt (Aggregate Maturities) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Debt Disclosure [Abstract]  
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months $ 13,224
Long-term Debt, Maturities, Repayments of Principal in Year Two 16,535
Long-term Debt, Maturities, Repayments of Principal in Year Three 20,248
Long-term Debt, Maturities, Repayments of Principal in Year Four 105,065
Long-term Debt, Maturities, Repayments of Principal in Year Five 203
Long-term Debt, Maturities, Repayments of Principal after Year Five 491
Long-term debt $ 155,766