jQuery не видит данные формы

this.add = function () { 
		scrollArea.css("overflow", "hidden"); 
		$.ajax({ 
			type: "GET", 
			url: "/detail/create", 
			success: function (form) { 
				webix.message.keyboard = false; 
				webix.modalbox({ 
					title: "Новая деталь", 
					buttons: ["ДОБАВИТЬ", "ОТМЕНА"], 
					text: form, 
					width: 400, 
					callback: function (result) { 
						switch (result) { 
							case "0": 
								addDetail(); 
								break; 
							case "1": 
								break; 
						} 
						scrollArea.css("overflow", "auto"); 
					} 
				}); 
			} 
		}); 
		function addDetail() { 
			$.ajaxSetup({ 
				headers: { 
					'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content') 
				} 
			}); 
			$.ajax({ 
				type: "POST", 
				url: "/detail/store", 
				data: $('#detail_add').serialize(), 
				contentType: "JSON", 
				processData: false, 
				success: function () { 
				} 
			}); 
		} 
	};

<form action="" id="detail_add" method="post"> 
	<input type="text" name="name" placeholder="Название"> 
	<input type="text" name="article" placeholder="Артикул"> 
	<input type="hidden" name="location_id" placeholder="1"> 
	<input type="hidden" name="_token" value="{{ csrf_token() }}"/> 
</form>