Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions (Details)

v2.4.0.8
Related Party Transactions (Details) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2013
Mar. 31, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Dec. 31, 2012
Related Party Transaction [Line Items]            
Outstanding accrued dividends paid       $ 4,953,000 $ 4,447,000  
SEACOR [Member]
           
Related Party Transaction [Line Items]            
Expenses from transactions with related party 843,000   3,005,000 2,552,000 8,094,000  
Outstanding accrued dividends paid   5,000,000        
Due to Seacor 200,000     200,000    
Due from Seacor           1,000,000
Payroll Costs [Member] | SEACOR [Member]
           
Related Party Transaction [Line Items]            
Expenses from transactions with related party 0   2,291,000 5,000 6,129,000  
Administrative Support [Member] | SEACOR [Member]
           
Related Party Transaction [Line Items]            
Expenses from transactions with related party 0   714,000 299,000 1,965,000  
Amended and Restated Transition Services Agreement [Member] | SEACOR [Member]
           
Related Party Transaction [Line Items]            
Expenses from transactions with related party $ 843,000   $ 0 $ 2,248,000 $ 0