Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details)

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Commitments and Contingencies (Details) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2014
Mar. 31, 2014
Sep. 30, 2014
Gain Contingencies [Line Items]      
Net book value of damaged assets written off   $ 455,000  
Demolition costs   600,000  
Casualty gain 329,000    
Proceeds from insurance reimbursements     1,300,000
Range of total estimated insurance proceeds, minimum 1,800,000   1,800,000
Range of total estimated insurance proceeds, maximum 2,300,000   2,300,000
Minimum [Member] | Insurance Settlement [Member]
     
Gain Contingencies [Line Items]      
Contingent gain on insurance proceeds 800,000   800,000
Maximum [Member] | Insurance Settlement [Member]
     
Gain Contingencies [Line Items]      
Contingent gain on insurance proceeds $ 1,300,000   $ 1,300,000