th:onclick="'javascript:openPoolModal(''+ ${networkHashrate.id} + '');'"

function openPoolModal(id){

$.ajax({
    url: "/" + id,
    success: function(data){
    $("#PoolModalHolder").html(data);
    $("#personalModal").modal();
    $("#personalModal").modal('show');
}
});
}

<div class="modal fade" id="personalModal" role="dialog" th:fragment="modalContents">
<div class="modal-dialog">

    <div class="modal-content">

        <div class="modal-header">
            <button type="button" class="close" data-dismiss="modal">&times;</button>
            <h4 class="modal-title" th:text="'Network Id: ' + ${poolHashrates[0].networkHashrate.id}">Network Id</h4>
        </div>

        <div class="modal-body">
            <div class="table-responsive">
                <table width="100%" class="table table-hover " id="poolTable">

                    <thead class="thead-inverse">
                    <tr>
                        <th class="col-md-2 text-center">Pool name</th>
                        <th class="col-md-2 text-center">Date from</th>
                        <th class="col-md-2 text-center">Hashrate</th>
                    </tr>
                    </thead>

                    <tbody>
                    <tr th:each="poolHashrate : ${poolHashrates}">
                        <td class="text-center" th:text="${poolHashrate.poolDef.name}"> Sample data</td>
                        <td class="text-center" th:text="${poolHashrate.poolDef.date_from}">Maven Street 10, Glasgow</td>
                        <td class="text-center" th:text="${poolHashrate.hashrate}">999-999-999</td>
                    </tr>
                    </tbody>
                </table>
            </div>
        </div>
    </div>
</div>

$(document).ready( function () {
$('#poolTable').DataTable();
} );

$( "#personalModal" ).focus(function() {
$('#poolTable').DataTable();
});