{% with course.document.all as docs %}
{% for doc_type in doc_types %}
{% if docs|from_course_type:type|from_doc_type:doc_type and not type_counter > 2 %}
{{ doc_type }}
{% for doc in docs|from_course_type:type|from_doc_type:doc_type %}
{% if doc.course_type.all|length > 1 and type_counter > 1 %}
{% else %}