XML 58 R48.htm IDEA: XBRL DOCUMENT
v3.23.1

Costs and Estimated Earnings on Uncompleted Contracts (Summary of Costs and Estimated Earnings on Uncompleted Contracts) (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Costs and Estimated Earnings on Uncompleted Contracts [Abstract] |  |
Costs incurred on uncompleted contracts | $ 152,600 | $ 137,736
Estimated earnings | 79,772 | 51,287
Billings to date | (183,567) | (134,665)
Costs and estimated earnings on uncompleted contracts | $ 48,805 | $ 54,358

X
- Definition Contract with Customer, Billing to Date + References No definition available. + Details
Name: | sbac_ContractWithCustomerBillingToDate
Namespace Prefix: | sbac_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Contract with Customer, Estimated Earnings + References No definition available. + Details
Name: | sbac_ContractWithCustomerEstimatedEarnings
Namespace Prefix: | sbac_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Contract with Customer, Net Asset (Liability) + References No definition available. + Details
Name: | sbac_ContractWithCustomerNetAssetLiability
Namespace Prefix: | sbac_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126905575&loc=SL49131252-203054 + Details
Name: | us-gaap_CapitalizedContractCostNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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