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v3.23.1

Note 3 - Revenue Recognition - Disaggregation of Revenues, Percentage (Details) | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Specialty | 100.00% | 100.00%
Specialty [Member] |  |
Specialty | 29.10% | 28.50%
Hot Rolled Products [Member] |  |
Specialty | 27.30% | 30.30%
Tube Products [Member] |  |
Specialty | 16.90% | 16.80%
Plate Products [Member] |  |
Specialty | 13.50% | 13.30%
Cold Rolled Products [Member] |  |
Specialty | 3.40% | 5.00%
Coated Products [Member] |  |
Specialty | 4.40% | 5.00%
Product and Service, Other [Member] |  |
Specialty | 5.40% | 1.10%
Specialty Metals Flat Products [Member] |  |
Specialty | 29.10% | 28.60%
Specialty Metals Flat Products [Member] | Specialty [Member] |  |
Specialty | 29.10% | 28.50%
Specialty Metals Flat Products [Member] | Hot Rolled Products [Member] |  |
Specialty | 0.00% | 0.00%
Specialty Metals Flat Products [Member] | Tube Products [Member] |  |
Specialty | 0.00% | 0.00%
Specialty Metals Flat Products [Member] | Plate Products [Member] |  |
Specialty | 0.00% | 0.00%
Specialty Metals Flat Products [Member] | Cold Rolled Products [Member] |  |
Specialty | 0.00% | 0.00%
Specialty Metals Flat Products [Member] | Coated Products [Member] |  |
Specialty | 0.00% |
Specialty Metals Flat Products [Member] | Product and Service, Other [Member] |  |
Specialty | 0.00% | 0.10%
Carbon Flat Products [Member] |  |
Specialty | 54.00% | 54.60%
Carbon Flat Products [Member] | Specialty [Member] |  |
Specialty | 0.00% | 0.00%
Carbon Flat Products [Member] | Hot Rolled Products [Member] |  |
Specialty | 27.30% | 30.30%
Carbon Flat Products [Member] | Tube Products [Member] |  |
Specialty | 0.00% | 0.00%
Carbon Flat Products [Member] | Plate Products [Member] |  |
Specialty | 13.50% | 13.30%
Carbon Flat Products [Member] | Cold Rolled Products [Member] |  |
Specialty | 3.40% | 5.00%
Carbon Flat Products [Member] | Coated Products [Member] |  |
Specialty | 4.40% | 5.00%
Carbon Flat Products [Member] | Product and Service, Other [Member] |  |
Specialty | 5.40% | 1.00%
Tubular and Pipe Products [Member] |  |
Specialty | 16.90% | 16.80%
Tubular and Pipe Products [Member] | Specialty [Member] |  |
Specialty | 0.00% | 0.00%
Tubular and Pipe Products [Member] | Hot Rolled Products [Member] |  |
Specialty | 0.00% | 0.00%
Tubular and Pipe Products [Member] | Tube Products [Member] |  |
Specialty | 16.90% | 16.80%
Tubular and Pipe Products [Member] | Plate Products [Member] |  |
Specialty | 0.00% | 0.00%
Tubular and Pipe Products [Member] | Cold Rolled Products [Member] |  |
Specialty | 0.00% | 0.00%
Tubular and Pipe Products [Member] | Coated Products [Member] |  |
Specialty | 0.00% | 0.00%
Tubular and Pipe Products [Member] | Product and Service, Other [Member] |  |
Specialty | 0.00% | 0.00%

X
- Definition Percentage of revenue, including tax collected from customer, from satisfaction of performance obligation by transferring promised good or service to customer. + References No definition available. + Details
Name: | zeus_RevenueFromContractWithCustomerIncludingAssessedTaxPercentage
Namespace Prefix: | zeus_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=zeus_HotRolledProductsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=zeus_TubeProductsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

X
- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Period Type: |

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- Details
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Balance Type: |
Period Type: |

X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |