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Segment Reporting
 12 Months Ended
Dec. 31, 2024
Segment Reporting [Abstract]  
Segment Reporting Disclosure
Note 23.  Segment Reporting

The Company operates through a single operating and reporting segment primarily as a bank, although Pinnacle Financial does provide additional non-banking services customary for a financial services institution including investment, insurance, trust and mortgage lending services. The chief operating decision maker (CODM) is comprised of Pinnacle Financial’s senior leadership team which during the year ended and at December 31, 2024 consisted of thirteen individuals including the Chief Executive Officer and Chief Financial Officer. The CODM assesses the performance, allocates resources and makes operating decisions for Pinnacle Financial on a consolidated basis primarily based on Pinnacle Financial’s combined net interest income and noninterest income as well as net income as presented on the same basis as in the accompanying consolidated statement of operations. As Pinnacle Financial’s operations comprise of a single reporting segment, the segment assets are reflected on the accompanying consolidated balance sheet as “total assets” and the significant segment expenses are listed on the accompanying consolidated statement of operations.