Discontinued Operations and Assets Held for Sale (Details) (USD $)	3 Months Ended		0 Months Ended	1 Months Ended							3 Months Ended
	Mar. 31, 2013 item	Dec. 31, 2012 item	May 13, 2013 Subsequent event item	Apr. 30, 2013 Subsequent event item	Mar. 31, 2013 Land	Dec. 31, 2012 Land	Mar. 31, 2013 Buildings and improvements	Dec. 31, 2012 Buildings and improvements	Mar. 31, 2013 Equipment and other	Dec. 31, 2012 Equipment and other	Mar. 31, 2012 Predecessor
Discontinued Operations and Assets Held for Sale
Number of discontinued operations	0
Revenues:
Revenues from fuel sales											$ 1,216,000
Rent income											30,000
Total revenues											1,246,000
Costs and Expenses:
Cost of revenues from fuel sales											1,195,000
Operating expenses											3,000
Depreciation and amortization											18,000
(Gain) on sales of assets											(123,000)
Total costs and operating expenses											1,093,000
Operating income											153,000
Interest expense, net											(13,000)
Income from discontinued operations											140,000
Assets held for sale:
Impairment charges related to assets held-for-sale	0										1,300,000
Number of locations held for sale	6	5
Total property and equipment, at cost	2,542,000	1,949,000			1,799,000	1,351,000	538,000	435,000	205,000	163,000
Less: Accumulated depreciation and amortization	(371,000)	(334,000)
Net assets held for sale	2,171,000	1,615,000
Number of sites sold			1	5
Sale price of sites sold			$ 700,000	$ 1,600,000