Pension Plans (Details) - USD ($)	9 Months Ended	12 Months Ended
Sep. 30, 2020	Dec. 31, 2019	Jan. 31, 2020	Sep. 17, 2012
Defined Benefit Plan Cost Of Providing Standard Termination Benefit Recognized During Period	$ 524,000	$ 924,000
Multiemployer Plans, Withdrawal Obligation	0	$ 109,000
Syms Sponsored Plan [Member]
Syms Plan Minimum Contribution				$ 5,300,000
Multiemployer Plans, Pension [Member]
Multiemployer Plans, Accumulated Benefit Obligation	$ 203,000		$ 109,000

Defined Benefit Plan Cost Of Providing Standard Termination benefits recognized during period.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of minimum contribution(s) required for syms sponsored plan as per period.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Amount of accumulated benefit obligation attributable to the pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 50
-Paragraph 7
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450678-114947

+ Details

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- Definition

Amount of the obligation recognized by withdrawing from a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

+ References

No definition available.

+ Details

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- Details

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- Details

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