XML 43 R31.htm IDEA: XBRL DOCUMENT
v3.24.3

Unearned Revenue (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2024
Revenue Recognition and Deferred Revenue [Abstract] |
Schedule Of Unearned Revenue | The following table presents our unearned revenue disaggregated by customer type as of the respective periods:
(in thousands) | September 30, 2024 |  | December 31, 2023
Public | $ | 3,071,044 |  |  | $ | 2,892,255 |
Private | 813,102 |  |  | 704,421 |
Total | $ | 3,884,146 |  |  | $ | 3,596,676 |

X
- Definition Tabular disclosure of unearned revenue. + References No definition available. + Details
Name: | gva_ScheduleOfUnearnedRevenueTableTextBlock
Namespace Prefix: | gva_
Data Type: | dtr-types1:textBlockItemType
Balance Type: | na
Period Type: | duration

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