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Consolidated Balance Sheets (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Dec. 31, 2012
Current assets:    
Cash and cash equivalents $ 17,917 $ 6,752
Accounts receivable, net of allowance for doubtful accounts of $103 at December 31, 2012, and $355 at September 30, 2013 63,127 33,008
Receivables from affiliates 36,431 59,543
Inventories, net 15,474 2,981
Other current assets 243 821
Total current assets 133,192 103,105
Property and equipment, net 169,300 68,173
Other assets:    
Marketable securities 37,936 148,264
Goodwill 22,432 12,936
Intangible assets, net 22,344 23,131
Other noncurrent assets 182 191
Total assets 385,386 355,800
Current liabilities:    
Accounts payable 104,474 88,884
Accrued expenses and other current liabilities 13,355 1,101
Current maturities of long-term debt 525 24
Total current liabilities 118,354 90,009
Revolving line of credit 142,800 35,590
Long-term debt 41,422 149,241
Deferred tax liability, long-term portion 424 152
Other noncurrent liabilities 2,285 2,476
Total liabilities 305,285 277,468
Partners' equity:    
Total equity (80,101) (78,332)
Total liabilities and equity 385,386 355,800
Common Unitholders - Public [Member]
    
Partners' equity:    
Total equity (210,360) (210,462)
Common Unitholders - Affiliates [Member]
    
Partners' equity:    
Total equity (1,796) (175)
Subordinated Units [Member]
    
Partners' equity:    
Total equity $ (132,055) $ (131,955)