XML 62 R42.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Workers' Compensation Claims - Summarizes Aggregate Workers' Compensation Reserve Activity (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Workers Compensation Reserve [Abstract] |  |  |
Workers' compensation claims liabilities, Beginning balance | $ 255,675 | $ 225,278 | $ 121,056
Add: claims expense accrual |  |  |
Current year | 137,852 | 122,740 | 104,314
Prior years | (301) | (13,683) | 66,719
Total expense accrual | 137,551 | 109,057 | 171,033
Less: claims payments related to |  |  |
Current year | 20,180 | 17,517 | 15,243
Prior years | 69,626 | 61,143 | 51,568
Total paid | 89,806 | 78,660 | 66,811
Add: claims incurred in excess of retention limits | 9,117 |  |
Workers' compensation claims liabilities, Ending balance | 312,537 | 255,675 | 225,278
Incurred but not reported (IBNR) | $ 158,169 | $ 127,792 | $ 113,984

X
- Definition Claim payments. + References No definition available. + Details
Name: | bbsi_ClaimPaymentsAbstract
Namespace Prefix: | bbsi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Claim payments prior period. + References No definition available. + Details
Name: | bbsi_ClaimPaymentsPriorPeriod
Namespace Prefix: | bbsi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Claims expense accrual. + References No definition available. + Details
Name: | bbsi_ClaimsExpenseAccrualAbstract
Namespace Prefix: | bbsi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Workers compensation claim payments. + References No definition available. + Details
Name: | bbsi_WorkersCompensationClaimPayments
Namespace Prefix: | bbsi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Workers compensation claim payments current period. + References No definition available. + Details
Name: | bbsi_WorkersCompensationClaimPaymentsCurrentPeriod
Namespace Prefix: | bbsi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Workers compensation claims incurred in excess of retention limits. + References No definition available. + Details
Name: | bbsi_WorkersCompensationClaimsIncurredInExcessOfRetentionLimits
Namespace Prefix: | bbsi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Workers compensation expense accrual claims. + References No definition available. + Details
Name: | bbsi_WorkersCompensationExpenseAccrualClaims
Namespace Prefix: | bbsi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Workers compensation expense accrual claims for current period. + References No definition available. + Details
Name: | bbsi_WorkersCompensationExpenseAccrualClaimsForCurrentPeriod
Namespace Prefix: | bbsi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Workers compensation expense adjustments accrual claims for prior periods. + References No definition available. + Details
Name: | bbsi_WorkersCompensationExpenseAdjustmentsAccrualClaimsForPriorPeriods
Namespace Prefix: | bbsi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Workers compensation incurred but not reported. + References No definition available. + Details
Name: | bbsi_WorkersCompensationIncurredButNotReported
Namespace Prefix: | bbsi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition workers compensation reserve. + References No definition available. + Details
Name: | bbsi_WorkersCompensationReserveAbstract
Namespace Prefix: | bbsi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Carrying value as of the balance sheet date of obligations and payables pertaining to claims incurred of a workers compensation nature. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(15)(5)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(20)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(24)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(15)(a)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
Name: | us-gaap_WorkersCompensationLiabilityCurrentAndNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant