Summary of Significant Accounting Policies (Narrative) (Details)		12 Months Ended
	Dec. 03, 2025 USD ($) $ / shares shares	Dec. 31, 2025 USD ($) ft² segment store item state $ / shares	Dec. 31, 2024 USD ($) item $ / shares	Dec. 31, 2023 USD ($) item
Summary Of Significant Accounting Policies [Line Items]
Number of products \| item		6,000
Number of stores \| store		140
Number of states in which entity operates \| state		31
Common stock, par value (per share) \| $ / shares	$ 0.0001	$ 0.0001	$ 0.0001
Reverse stock split cash \| $ / shares	$ 6.60
Cash and cash equivalents		$ 10,120,000	$ 20,957,000
Due from banks		1,800,000	1,900,000
Allowance for doubtful accounts		$ 400,000	$ 300,000
Number of different suppliers \| item		200
Number of significant supplier \| item		1	1	2
Accounts payable balance due		$ 700,000	$ 600,000	$ 600,000
Inventory, provision for shrinkage and other		700,000	1,200,000
Liability for uncertain tax positions		0	0
Income tax interest and penalties related to uncertain tax positions		$ 0	0
Sales return period		2 months
Advertising costs		$ 8,700,000	8,300,000	9,100,000
Pre-opening costs		0	0	100,000
Asset impairment charges		290,000	949,000	1,027,000
Capitalized software		1,200,000	1,300,000
Capitalized software, depreciation expense		700,000	1,800,000	$ 1,600,000
Purchase Obligation		2,700,000
2026		1,200,000
2027		1,100,000
2028		400,000
Self-insurance liability, current		600,000	1,100,000
Workers' compensation liability, current		$ 1,400,000	1,400,000
Number of reportable segment \| segment		1
Other Noncurrent Liabilities [Member]
Summary Of Significant Accounting Policies [Line Items]
Asset retirement obligations		$ 4,600,000	3,500,000
Other Accrued Liabilities [Member]
Summary Of Significant Accounting Policies [Line Items]
Asset retirement obligations		$ 100,000	$ 100,000
Supplier Concentration Risk [Member] \| Accounts Payable Benchmark [Member] \| Two Suppliers [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration risk percentage				25.50%
Supplier Concentration Risk [Member] \| Accounts Payable Benchmark [Member] \| One Supplier [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration risk percentage		12.70%	11.40%
Average [Member]
Summary Of Significant Accounting Policies [Line Items]
Area of stores \| ft²		20,000
Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Capitalized software, estimated useful life		3 years
Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Capitalized software, estimated useful life		5 years
Credit Agreement [Member] \| Letter of Credit [Member]
Summary Of Significant Accounting Policies [Line Items]
Credit facility, amount outstanding		$ 1,200,000	$ 1,200,000
Common Stock [Member]
Summary Of Significant Accounting Policies [Line Items]
Reverse stock split ratio	0.3333
Forward stock split ratio	3,000
Aggregate cost	$ 32,200,000
Common stock cashed out \| shares	3,000
Common Stock [Member] \| Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Reverse stock split ratio	0.0005
Common Stock [Member] \| Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Reverse stock split ratio	0.00025

TILE SHOP HOLDINGS, INC. 10-K