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Related Party Transactions (Details) (USD $)
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3 Months Ended | 6 Months Ended | ||||
|---|---|---|---|---|---|---|
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Jun. 30, 2013
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Mar. 31, 2013
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Jun. 30, 2012
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Jun. 30, 2013
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Jun. 30, 2012
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Dec. 31, 2012
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| Related Party Transaction [Line Items] | ||||||
| Outstanding accrued dividends paid | $ 4,953,000 | $ 0 | ||||
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SEACOR [Member]
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||||||
| Related Party Transaction [Line Items] | ||||||
| Expenses from transactions with related party | 843,000 | 2,549,000 | 1,709,000 | 5,086,000 | ||
| Outstanding accrued dividends paid | 5,000,000 | |||||
| Due to Seacor | 200,000 | 200,000 | ||||
| Due from Seacor | 1,000,000 | |||||
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Payroll Costs [Member] | SEACOR [Member]
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||||||
| Related Party Transaction [Line Items] | ||||||
| Expenses from transactions with related party | 0 | 1,865,000 | 5,000 | 3,838,000 | ||
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Administrative Support [Member] | SEACOR [Member]
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||||||
| Related Party Transaction [Line Items] | ||||||
| Expenses from transactions with related party | 0 | 684,000 | 299,000 | 1,248,000 | ||
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Amended and Restated Transition Services Agreement [Member] | SEACOR [Member]
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||||||
| Related Party Transaction [Line Items] | ||||||
| Expenses from transactions with related party | $ 843,000 | $ 0 | $ 1,405,000 | $ 0 | ||
| X | ||||||||||
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- Definition
For an unclassified balance sheet, amounts due from related parties including affiliates, employees, joint ventures, officers and stockholders, immediate families thereof, and pension funds. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Carrying amount as of the balance sheet date of obligations due all related parties. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Cash outflow in the form of ordinary dividends to preferred shareholders, generally out of earnings. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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