Organization (Details) (USD $) In Thousands, except Share data, unless otherwise specified	0 Months Ended		0 Months Ended			0 Months Ended				0 Months Ended
	Nov. 16, 2011	May 05, 2009 Stock Building Supply Holdings, LLC and Subsidiaries [Member]	Nov. 16, 2011 Class A Common Stock [Member]	May 02, 2013 Class A Common Stock [Member]	May 02, 2013 Class B Common Stock [Member]	Nov. 16, 2011 Class A Junior Preferred Stock [Member]	May 02, 2013 Class A Junior Preferred Stock [Member]	May 02, 2013 Convertible Class C Preferred Stock [Member]	May 02, 2013 Redeemable Class B Senior Preferred Stock [Member]	Nov. 16, 2011 Gores [Member]	May 05, 2009 Gores [Member]	May 05, 2009 Wolseley [Member]
Schedule of Business Organization [Line Items]
Affiliated entity, payments to acquire company, gross											$ 1	$ 1
Affiliated entity, percentage of company's voting interest acquired											51.00%	49.00%
Voting interests acquired		100.00%
Company stock purchased			11,135,495			4,900
Business acquisition, cash consideration transferred	25,000
Payments to acquire interest in company, portion funded by line of credit	15,000
Payments to acquired interest in company, cash portion	5,000
Payments to acquired interest in company, cash portion contributed by affiliated entity										$ 5,000
Conversion of stock, shares issued per share converted				1	1		1	1	1.02966258