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CONSOLIDATED BALANCE SHEETS (Parentheticals) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Related party capital lease obligations, excluding current maturities $ 1,702 $ 1,769
Class A Common Stock    
Common stock, no par value (USD per share)
Common stock, shares authorized 10,000 10,000
Common stock, shares issued 100 100
Common stock, shares outstanding 100 100