XML 73 R63.htm IDEA: XBRL DOCUMENT
v3.22.1

Commitments and Contingencies - Legal (Details) - USD ($) $ in Billions | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Commitments and Contingencies. |  |
Bid and completion bonds issued and outstanding | $ 2.5 | $ 3.2
Remaining performance obligation on the bonded projects. | $ 1.0 | $ 1.2

X
- Definition Represents the amount of bonds issued and outstanding. + References No definition available. + Details
Name: | prim_BondsIssuedAndOutstanding
Namespace Prefix: | prim_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the remaining performance obligation on the bonded projects. + References No definition available. + Details
Name: | prim_RemainingPerformanceObligationOnBondedProjects
Namespace Prefix: | prim_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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