Revenues (Schedule of Revenues Disaggregated by Product Category) (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Disaggregation of Revenue [Line Items]
Total revenue	100.00%	100.00%	100.00%	100.00%
Man-Made Tiles [Member]
Disaggregation of Revenue [Line Items]
Total revenue	54.00%	51.00%	53.00%	50.00%
Natural Stone Tiles [Member]
Disaggregation of Revenue [Line Items]
Total revenue	21.00%	25.00%	22.00%	25.00%
Setting And Maintenance Materials [Member]
Disaggregation of Revenue [Line Items]
Total revenue	15.00%	15.00%	15.00%	15.00%
Accessories [Member]
Disaggregation of Revenue [Line Items]
Total revenue	8.00%	7.00%	8.00%	7.00%
Delivery Service [Member]
Disaggregation of Revenue [Line Items]
Total revenue	2.00%	2.00%	2.00%	3.00%