docs: def get_detail_common(self, content_id):
          """
          Inquire common detail data
  
          :param content_id: Content ID to inquire
          :type content_id: str
  
          :rtype: dict
          """
          resp = json.loads(urlopen(self.detail_common_url.format(str(content_id))).read().decode('utf-8'))
          data = resp['response']['body']['items']['item']
          # Extract data
  
          keychain = {
              'contenttypeid': ('content_type_id', None),
              'overview': ('overview', None),
              'tel': ('tel', None),
              'telname': ('tel_owner', None),
              'booktour': ('in_book', 0)
          }
          _dict_key_changer(data, keychain)
  
          try:
              data['homepage'] = re.findall('http\w?://[\w|.]+', data.pop('homepage'))[0] if 'homepage' in data else None
          except IndexError:
              data['homepage'] = None
  
          data.pop('contentid', None)
          data.pop('title', None)
          data.pop('createdtime', None)
          data.pop('modifiedtime', None)
          # Manufacture
  
          return data