- DefinitionThe period of service required to be completed by an employee during the period to participate in defined benefits plan.
| Name: |
bspa_DefinedBenefitPlanVestingPeriod |
| Namespace Prefix: |
bspa_ |
| Data Type: |
xbrli:durationItemType |
| Balance Type: |
na |
| Period Type: |
duration |