/**
  * Display a listing of the resource.
  *
  * @return Response
  */
 protected function _loadData()
 {
     $_columns = ['server_t.id', 'server_t.server_id_text', 'server_type_t.type_name_text', 'server_t.host_text', 'server_t.lmod_date'];
     /** @type Builder $_query */
     $_query = Server::join('server_type_t', 'server_t.server_type_id', '=', 'server_type_t.id')->select($_columns);
     return $this->processDataRequest('instance_t.instance_id_text', Server::count(), $_columns, $_query);
 }