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Non-current assets (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012
Non-current assets [Abstract] |  |
Vessels scrap value per lightweight ton | $ 300 | $ 300
Interest capitalized, Vessels under Construction | 2,372,199 | 1,081,182
Initial payments for acquisition of second hand vessel not yet delivered | 4,234,701 | 0
Impairment on non-current assets | $ 0 |

X
- Definition This line item represents the initial payments for acquisition of second hand vessel included in vessels and equipment which is not yet delivered. + References No definition available. + Details
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Namespace Prefix: | asc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition This line item represents the scrap value of vessels per lightweight ton. + References No definition available. + Details
Name: | asc_VesselsScrapValuePerLightweightTon
Namespace Prefix: | asc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + 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=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2420-110228 + Details
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Balance Type: | debit
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- Definition The amount of cash paid during the current period for interest that is capitalized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 + Details
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Balance Type: | credit
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- Details
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Namespace Prefix: | us-gaap_
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