app/controllers/dashboard.js

@@ -5,6 +5,9 @@ import { inject as service } from '@ember/service';
 
 export default Controller.extend({
   kredits: service(),
+
+  showDetailsPane: false,
+
   currentBlock: alias('kredits.currentBlock'),
 
   contributions: alias('kredits.contributions'),

app/routes/dashboard/contributors/show.js

@@ -7,8 +7,18 @@ export default Route.extend({
   kredits: service(),
   contributors: alias('kredits.contributors'),
 
-  model(params) {
+  model (params) {
     return this.contributors.findBy('id', params.id);
+  },
+
+  activate () {
+    this.controllerFor('dashboard')
+        .set('showDetailsPane', true);
+  },
+
+  deactivate () {
+    this.controllerFor('dashboard')
+        .set('showDetailsPane', false);
   }
 
 });

app/templates/dashboard.hbs

@@ -1,4 +1,4 @@
-<main id="dashboard" class="with-details">
+<main id="dashboard" class={{if showDetailsPane "with-details"}}>
 
   <div id="stats">
     <section id="people">