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Sale of vessels previously held under Capital Leases (Details) - USD ($)	2 Months Ended	3 Months Ended		6 Months Ended
	May 31, 2016	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Property, Plant and Equipment [Line Items]
Sales proceeds				$ 38,500,000
Net book value of vessels				(37,036,907)
Sale related costs				(501,668)
Lease Termination Costs and Related Finance Fees				(509,463)
Net (Loss) / Gain	$ 500,000	$ 451,962	$ 0	451,962	$ 0
Calypso [Member]
Property, Plant and Equipment [Line Items]
Sales proceeds				19,150,000
Net book value of vessels				(18,783,238)
Sale related costs				(273,458)
Lease Termination Costs and Related Finance Fees				(254,731)
Net (Loss) / Gain				(161,427)
Capella [Member]
Property, Plant and Equipment [Line Items]
Sales proceeds				19,350,000
Net book value of vessels				(18,253,669)
Sale related costs				(228,210)
Lease Termination Costs and Related Finance Fees				(254,732)
Net (Loss) / Gain				$ 613,389

X

- Definition

Amount of income recognized during the period resulting from sale of property, plant and equipment assets before deduction of sales and lease related costs.

+ References

No definition available.

+ Details

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Namespace Prefix:	asc_
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X

- Definition

The amount of expensed related to lease termination and financing fees.

+ References

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X

- Definition

The amount represents the cost value of vessels.

+ References

No definition available.

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X

- Definition

Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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X

- Definition

Expenses recognized in the period that are directly related to the selling and distribution of products or services.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.4)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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