Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE Documents_with_expenses (document_id VARCHAR)
TABLE: CREATE TABLE Documents (document_id VARCHAR, document_name VARCHAR)

### Question ###
What are the ids of documents with letter 's' in the name with any expense budgets.

### Accurate SQL ###

SELECT T1.document_id FROM Documents AS T1 JOIN Documents_with_expenses AS T2 ON T1.document_id = T2.document_id WHERE T1.document_name LIKE '%s%'