Annual report pursuant to Section 13 and 15(d)

SUPPLEMENTAL INFORMATION FOR STATEMENTS OF CASH FLOWS Schedule of Supplemental Cash Flow Disclosures (Details)

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SUPPLEMENTAL INFORMATION FOR STATEMENTS OF CASH FLOWS Schedule of Supplemental Cash Flow Disclosures (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Supplemental Cash Flow Elements [Abstract]      
Benefit of net tax operating losses cash purchased by SEACOR $ 0 $ 1,961 $ 18,236
Income taxes paid, net of refunds 20 143 557
Interest paid to SEACOR, excluding capitalized interest 0 0 23,410
Interest paid to others, excluding capitalized interest 17,839 7,821 1,114
Schedule of Non-Cash Investing and Financing Activities:      
Company financed sale of equipment and parts 0 350 3,189
Non-cash distribution from Era do Brazil of a note receivable 0 4,618 0
Non-cash distribution to SEACOR 0 0 69,823
Non-cash contribution from SEACOR 0 0 180,000
Exchange of advances from SEACOR for Series A Preferred Stock 0 0 140,000
Settlement of Series B preferred stock in exchange for net tax operating losses $ 0 $ 50,000 $ 0