Deleting a specific document in an index

well when I do a get I see 2 hits i.e. two documents.

10:03:07/nypntdev@nykdsr5838:~/logs/kibana_stuck_threads/tmp]$ curl -i -XGET 'http://PICDSM020001125.intranet.barcapint.com:9200/stuckthreads/_search?pretty'
HTTP/1.1 200 OK
Content-Type: application/json; charset=UTF-8
Content-Length: 745
Proxy-Connection: Keep-Alive
Connection: Keep-Alive
Date: Mon, 12 Sep 2016 14:03:10 GMT

{
"took" : 1,
"timed_out" : false,
"_shards" : {
"total" : 5,
"successful" : 5,
"failed" : 0
},
"hits" : {
"total" : 2,
"max_score" : 1.0,
"hits" : [ {
"_index" : "stuckthreads",
"_type" : "detail",
"_id" : "AVcetWmaZZ3pMcf82Xd2",
"_score" : 1.0,
"_source":
{
"date":"2016-09-09T14:00:00",
"environment":"STAGE",
"slotCount":1,
"slotAverage":352,
"maxCount":0,
"maxAverage":0
}
}, {
"_index" : "stuckthreads",
"_type" : "detail",
"_id" : "AVcetWmLZZ3pMcf82Xd1",
"_score" : 1.0,
"_source":
{
"date":"2016-09-09T14:00:00",
"environment":"UAT3",
"slotCount":1,
"slotAverage":292,
"maxCount":0,
"maxAverage":0
}
} ]
}
}