XML 69 R55.htm IDEA: XBRL DOCUMENT v3.10.0.1

Property and Equipment - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Property, Plant and Equipment [Abstract]
Property and equipment fully depreciated	$ 59.9	$ 49.7

X

- Definition

Property And Equipment Fully Depreciated Assets

+ References

No definition available.

+ Details

Name:	ibp_PropertyAndEquipmentFullyDepreciatedAssets
Namespace Prefix:	ibp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration