XML 57 R46.htm IDEA: XBRL DOCUMENT
v3.21.2

Revenue Recognition - Schedule of Net Under (Over) Billings (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Revenue from Contract with Customer [Abstract] |  |
Costs and estimated earnings in excess of billings on uncompleted contracts (contract assets) | $ 28,370 | $ 24,334
Billings in excess of costs and estimated earnings on uncompleted contracts (contract liabilities) | (4,741) | (4,718)
Net under billings | $ 23,629 | $ 19,616

X
- Definition Billings In Excess Of Cost On Uncompleted Contracts + References No definition available. + Details
Name: | ibp_BillingsInExcessOfCostOnUncompletedContracts
Namespace Prefix: | ibp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Cost and estimated earnings under or over billings net. + References No definition available. + Details
Name: | ibp_CostAndEstimatedEarningsUnderOverBillingsNet
Namespace Prefix: | ibp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Costs And Estimated Earnings In Excess Of Billing On Uncompleted Contracts + References No definition available. + Details
Name: | ibp_CostsAndEstimatedEarningsInExcessOfBillingOnUncompletedContracts
Namespace Prefix: | ibp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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