XML 90 R56.htm IDEA: XBRL DOCUMENT v3.24.3

Lease Obligations - Narrative (Details)	9 Months Ended
	Sep. 30, 2024
Lessee, Lease, Description [Line Items]
Lease termination period	10 years
Minimum
Lessee, Lease, Description [Line Items]
Lease renewal term	1 month
Maximum
Lessee, Lease, Description [Line Items]
Lease renewal term	12 years

X

- Definition

Lessee, Lease, Renewal Term

+ References

No definition available.

+ Details

Name:	strl_LesseeLeaseRenewalTerm
Namespace Prefix:	strl_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Lessee, Lease, Termination Period

+ References

No definition available.

+ Details

Name:	strl_LesseeLeaseTerminationPeriod
Namespace Prefix:	strl_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 7A
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-7A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

+ Details

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

X

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: