Summary of Significant Accounting Policies (Details 1)	9 Months Ended
	Sep. 30, 2012
Maximum [Member] | Land Improvements [Member]
Property, Plant and Equipment, Useful Life, Maximum	30 years
Maximum [Member] | Building Improvements [Member]
Property, Plant and Equipment, Useful Life, Maximum	40 years
Maximum [Member] | Railroad Transportation Equipment [Member]
Property, Plant and Equipment, Useful Life, Maximum	39 years
Maximum [Member] | Equipment [Member]
Property, Plant and Equipment, Useful Life, Maximum	39 years
Maximum [Member] | Other Capitalized Property Plant and Equipment [Member]
Property, Plant and Equipment, Useful Life, Maximum	7 years
Maximum [Member] | Office Equipment [Member]
Property, Plant and Equipment, Useful Life, Maximum	10 years
Minimum [Member] | Land Improvements [Member]
Property, Plant and Equipment, Useful Life, Maximum	20 years
Minimum [Member] | Building Improvements [Member]
Property, Plant and Equipment, Useful Life, Maximum	7 years
Minimum [Member] | Railroad Transportation Equipment [Member]
Property, Plant and Equipment, Useful Life, Maximum	20 years
Minimum [Member] | Equipment [Member]
Property, Plant and Equipment, Useful Life, Maximum	20 years
Minimum [Member] | Other Capitalized Property Plant and Equipment [Member]
Property, Plant and Equipment, Useful Life, Maximum	5 years
Minimum [Member] | Office Equipment [Member]
Property, Plant and Equipment, Useful Life, Maximum	3 years