XML 52 R41.htm IDEA: XBRL DOCUMENT
v3.20.2

Revenue Recognition - Schedule of Cost and Estimated Earnings on Uncompleted Contracts (Detail) - USD ($) $ in Thousands | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Contractors [Abstract] |  |
Costs incurred on uncompleted contracts | $ 118,913 | $ 110,818
Estimated earnings | 66,077 | 61,185
Total | 184,990 | 172,003
Less: Billings to date | 169,462 | 155,599
Net under billings | $ 15,528 | $ 16,404

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 incurred on uncompleted contracts. + References No definition available. + Details
Name: | ibp_CostsIncurredOnUncompletedContracts
Namespace Prefix: | ibp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Estimated earnings on long term contracts. + References No definition available. + Details
Name: | ibp_EstimatedEarningsOnLongTermContracts
Namespace Prefix: | ibp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amounts due for billed services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the Company and, at a minimum, one other party. An example would be amounts billed to customers under contracts or programs but not paid as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3(c)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_BilledContractReceivables
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition Amount to be collected within one year of the balance sheet date (or one operating cycle, if longer) from customers in accordance with the contractual provisions of long-term contracts or programs including amounts billed and unbilled as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3(c)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_ReceivablesLongTermContractsOrPrograms
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant