XML 109 R94.htm IDEA: XBRL DOCUMENT v3.22.4

Related Party Transactions (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($)
Related Party Transaction [Line Items]
Lease expiration period	10 years
RLW
Related Party Transaction [Line Items]
Lease expense	$ 2,000
RLW | Minimum
Related Party Transaction [Line Items]
Lease expiration period	4 years
RLW | Maximum
Related Party Transaction [Line Items]
Lease expiration period	10 years

X

- Definition

Lessee, Lease, ExpirationPeriod

+ References

No definition available.

+ Details

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

X

- Definition

Amount of operating lease expense. Excludes sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 4
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918638-209977

+ Details

Name:	us-gaap_OperatingLeaseExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=strl_RLWMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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: