The phrase "in depth account" can be replaced with several related synonyms to add variety and depth to your writing. For example, you could substitute the phrase with "comprehensive report," "thorough analysis," or "detailed record." Other similar synonyms include "full disclosure," "elaborate commentary," and "complete rundown." Additionally, you could also consider using descriptive phrases like "minute examination," "careful scrutiny," or "detailed exploration" to convey the same level of detail and depth. Ultimately, the choice of synonym will depend on the context of your writing and the impact you aim to achieve with the line.