There is no trace in your mapping example of any field named restaurant_customer_review_details.
Are you sure the trace matches the query you sent?
Could you provide a full recreation script as described in About the Elasticsearch category. It will help to better understand what you are doing. Please, try to keep the example as simple as possible.
A full reproduction script will help readers to understand, reproduce and if needed fix your problem. It will also most likely help to get a faster answer.