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Segment Reporting (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($) branch	Mar. 31, 2021 USD ($)
Segment Reporting [Abstract]
Number of branches | branch	14
Segment Reporting Information [Line Items]
Revenue	$ 117,877	$ 103,556
Gross profit	60,498	54,560
Operating income	12,076	4,810
Interest expense	95	323
Other income, net	204	372
Income before income taxes	12,185	4,859
Lawson
Segment Reporting Information [Line Items]
Revenue	104,902	93,330
Gross profit	55,531	50,408
Operating income	11,096	4,256
Bolt Supply
Segment Reporting Information [Line Items]
Revenue	12,975	10,226
Gross profit	4,967	4,152
Operating income	$ 980	$ 554

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