Custom "Tax ID" Column for WordPress Admin Columns

tax-id-column.php

//* Show the taxonomy ID
add_filter( "manage_edit-my_tax_columns",          'my_add_col' );
add_filter( "manage_edit-my_tax_sortable_columns", 'my_add_col' );
add_filter( "manage_my_tax_custom_column",         'my_tax_id', 10, 3 );


function my_add_col( $new_columns ) {
    $new_columns = array(
        'cb' => '<input type="checkbox" />',
        'name'   => __('Name'),
        'slug'   => __('Slug'),
        'posts'  => __('Posts'),
        'tax_id' => 'ID'
    );

    return $new_columns;
}
function my_tax_id( $value, $name, $id ) {    
    return 'tax_id' === $name ? $id : $value;
}