XML 101 R86.htm IDEA: XBRL DOCUMENT v3.20.4

Schedule III - Supplemental Financial Information (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Tubular and Pipe Products [Member]
Inventory, LIFO Reserve, Effect on Income, Net, Total	$ 1,517	$ 3,669

X

- Definition

The difference between the change in the inventory reserve representing the cumulative difference in cost between the first in, first out and the last in, first out inventory valuation methods and any LIFO decrement which have been reflected in the statement of income during the period.

+ References

No definition available.

+ Details

Name:	us-gaap_InventoryLIFOReserveEffectOnIncomeNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=zeus_TubularAndPipeProductsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: