Commitments and Contingencies (Narrative) (Details) $ in Millions	6 Months Ended
Jun. 30, 2020 USD ($)
Loss Contingencies [Line Items]
Settlement accrual	$ 14.5
Insurance settlement receivable	14.5
Tile Shop Holdings, Inc. Stockholder Derivative Litigation [Member]
Loss Contingencies [Line Items]
Settlement amount	12.0
Tile Shop Holdings, Inc. Stockholder Derivative Litigation [Member] \| Minimum [Member]
Loss Contingencies [Line Items]
Settlement amount, attorney's fees	2.5
Tile Shop Holdings, Inc. Stockholder Derivative Litigation [Member] \| Maximum [Member]
Loss Contingencies [Line Items]
Settlement amount, attorney's fees	$ 3.0

Littigation Settlement, Amount Awarded To Other Party, Attorney Fees

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- Definition

Amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.8)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Amount awarded to other party in judgment or settlement of litigation.

+ References

No definition available.

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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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Amount of loss contingency liability expected to be resolved within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14326-108349

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