XML 28 R22.htm IDEA: XBRL DOCUMENT
v3.25.3

Workers' Compensation Claims Liabilities (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2025
Text Block [Abstract] |
Summarizes Aggregate Workers' Compensation Reserve Activity | The following table summarizes the aggregate workers’ compensation reserve activity (in thousands):
| Three Months Ended |  |  | Nine Months Ended |
| September 30, |  |  | September 30, |
| 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Beginning balance |  |  |  |  |  |  |  |  |  |  |
Workers' compensation claims liabilities | $ | 113,902 |  |  | $ | 149,630 |  |  | $ | 128,446 |  |  | $ | 167,763 |
Add: claims expense incurred |  |  |  |  |  |  |  |  |  |  |
Current period |  | 3,232 |  |  |  | 2,358 |  |  |  | 9,257 |  |  |  | 9,657 |
Prior periods |  | (1,137 | ) |  |  | (4,272 | ) |  |  | (8,141 | ) |  |  | (9,094 | )
Total claims expense incurred |  | 2,095 |  |  |  | (1,914 | ) |  |  | 1,116 |  |  |  | 563 |
Less: claim payments related to |  |  |  |  |  |  |  |  |  |  |
Current period |  | 1,644 |  |  |  | 1,063 |  |  |  | 4,001 |  |  |  | 3,582 |
Prior periods |  | 5,159 |  |  |  | 9,493 |  |  |  | 16,272 |  |  |  | 27,716 |
Total claim payments |  | 6,803 |  |  |  | 10,556 |  |  |  | 20,273 |  |  |  | 31,298 |
Change in claims incurred in excess of retention limits |  | (10 | ) |  |  | (357 | ) |  |  | (105 | ) |  |  | (225 | )
Ending balance |  |  |  |  |  |  |  |  |  |  |
Workers' compensation claims liabilities | $ | 109,184 |  |  | $ | 136,803 |  |  | $ | 109,184 |  |  | $ | 136,803 |
Summary of Risk Retained by Insured Program after Considering Loss Portfolio Transfers and Current Insurance Arrangements | The following is a summary of the risk retained by the Company under its insured program after considering the effects of the loss portfolio transfers and current insurance arrangements:
Year | Claims risk retained
2014 | No
2015 | No
2016 | No
2017 | No
2018 (1) | No
2019 (1) | Yes
2020 | Yes
2021 - Through June 30 | Yes
2021 - July 1 and after | No
2022 | No
2023 | No
2024 | No
2025 | No
(1) The loss portfolio transfers excluded approximately 10% of claims from 2018 and included an approximately offsetting amount of claims from 2019.

X
- Definition Summary of risk retained by insured program after considering loss portfolio transfers and current insurance arrangements. + References No definition available. + Details
Name: | bbsi_SummaryOfRiskRetainedByInsuredProgramAfterConsideringLossPortfolioTransfersAndCurrentInsuranceArrangementsTableTextBlock
Namespace Prefix: | bbsi_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Workers compensation reserve activity. + References No definition available. + Details
Name: | bbsi_WorkersCompensationReserveActivityTableTextBlock
Namespace Prefix: | bbsi_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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