XML 63 R54.htm IDEA: XBRL DOCUMENT
v3.22.2

Related Party Transactions - Additional Information (Detail) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Related Party Transactions [Abstract] |  |  |  |
Percentage of accounts receivable due from and net sales | 1.00% | 1.00% | 1.00% | 1.00%

X
- Definition Percentage of accounts receivable due from and net sales. + References No definition available. + Details
Name: | bldr_PercentageOfAccountsReceivableDueFromAndNetSales
Namespace Prefix: | bldr_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_RelatedPartyTransactionsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration