Query to find Bill of Lading info of the Delivery

select
wnd.delivery_id delivery_id,
wdi.sequence_number bol_number,
wdi.bol_notify_party,
wdi.port_of_loading,
wdi.port_of_discharge,
wnd.WAYBILL waybill,
wnd.GROSS_WEIGHT gross_weight,
wnd.WEIGHT_UOM_CODE uom,
wnd.status_code
from wsh_new_deliveries wnd,
wsh_delivery_legs wdl,
wsh_document_instances wdi
where wnd.delivery_id =12784
and wnd.delivery_id = wdl.delivery_id (+)
and wdi.entity_id (+) = wdl.delivery_leg_id
AND wdi.entity_name (+) = 'WSH_DELIVERY_LEGS'
AND wdi.document_type (+) = 'BOL'
AND wdi.status (+) <> 'CANCELLED';