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Segment Information | 9 Months Ended
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Sep. 30, 2025
Segment Reporting [Abstract] |
Segment Information | Note 14. Segment Information ​ The Company, through the Bank, provides a broad range of financial services to individuals and companies through its offices in East and Middle Tennessee, Alabama and Florida. These services include, but are not limited to, primary deposit products are interest-bearing demand deposits, savings and money market deposits, and time deposits. Its primary lending products are commercial, residential, and consumer loans. The Company’s operations are managed, and financial performance is evaluated on an organization-wide basis. Accordingly, the Company’s banking and finance operations are not considered by management to constitute more than one reportable operating segment. This single segment is the General Banking Unit. The Company’s chief operating decision maker (“CODM”) is the Executive Committee. The CODM includes the senior executive management team including the Chief Executive Officer, Chief Financial Officer, Chief Credit Officer, Chief Accounting Officer, Chief People Officer, Chief Risk Officer, and Chief Banking Officer. The CODM assesses the performance of the General Banking Unit using a variety of figures, metrics and key performance indicators. However, the CODM primarily utilizes net income and net interest income to make business decisions. The CODM monitors these profitability measures at each meeting, and is regularly featured in various investor presentations, earnings releases, and other internal management reports. These performance and profitability measures influence business decisions and the allocation of resources within the General Banking Unit. The table below provides information about the General Banking Unit. The most significant expenses to the General Banking Unit are deposit and other borrowing interest expense as well as employee compensation (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Banking Segment
​ | ​ | Three Months Ended September 30, | ​ | Nine Months Ended September 30,
​ | ​ | 2025 | ​ | 2024 | ​ | 2025 | ​ | 2024
Interest income | ​ | $ | 74,518 | ​ | $ | 63,956 | ​ | $ | 210,348 | ​ | $ | 185,023
Interest expense | ​ | ​ | 32,088 | ​ | ​ | 28,924 | ​ | ​ | 89,337 | ​ | ​ | 85,456
Net interest income | ​ | ​ | 42,430 | ​ | ​ | 35,032 | ​ | ​ | 121,011 | ​ | ​ | 99,567
Provision for credit losses | ​ | ​ | 227 | ​ | ​ | 2,575 | ​ | ​ | 3,618 | ​ | ​ | 3,018
Net interest income after provision for credit losses | ​ | ​ | 42,203 | ​ | ​ | 32,457 | ​ | ​ | 117,393 | ​ | ​ | 96,549
Noninterest income: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Service charges on deposit accounts | ​ | ​ | 1,831 | ​ | ​ | 1,780 | ​ | ​ | 5,333 | ​ | ​ | 5,084
Loss on sale of securities | ​ | ​ | (3,715) | ​ | ​ | — | ​ | ​ | (3,719) | ​ | ​ | —
Mortgage banking | ​ | ​ | 709 | ​ | ​ | 410 | ​ | ​ | 1,835 | ​ | ​ | 1,038
Investment services | ​ | ​ | 1,690 | ​ | ​ | 1,881 | ​ | ​ | 4,899 | ​ | ​ | 4,563
Insurance commissions | ​ | ​ | 1,049 | ​ | ​ | 1,477 | ​ | ​ | 4,016 | ​ | ​ | 3,865
Interchange and debit card transaction fees, net | ​ | ​ | 1,338 | ​ | ​ | 1,349 | ​ | ​ | 3,900 | ​ | ​ | 3,945
Gain on sale of SBKI | ​ | ​ | 3,955 | ​ | ​ | — | ​ | ​ | 3,955 | ​ | ​ | —
Other | ​ | ​ | 1,780 | ​ | ​ | 2,242 | ​ | ​ | 5,914 | ​ | ​ | 6,627
Total noninterest income | ​ | ​ | 8,637 | ​ | ​ | 9,139 | ​ | ​ | 26,133 | ​ | ​ | 25,122
Noninterest expense: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Salaries and employee benefits | ​ | ​ | 19,544 | ​ | ​ | 18,448 | ​ | ​ | 58,380 | ​ | ​ | 52,348
Occupancy and equipment | ​ | ​ | 3,468 | ​ | ​ | 3,423 | ​ | ​ | 10,298 | ​ | ​ | 10,144
FDIC insurance | ​ | ​ | 1,025 | ​ | ​ | 825 | ​ | ​ | 2,977 | ​ | ​ | 2,565
Other real estate and loan related expense | ​ | ​ | 969 | ​ | ​ | 460 | ​ | ​ | 2,383 | ​ | ​ | 1,582
Advertising and marketing | ​ | ​ | 454 | ​ | ​ | 327 | ​ | ​ | 1,226 | ​ | ​ | 924
Data processing and technology | ​ | ​ | 2,594 | ​ | ​ | 2,519 | ​ | ​ | 7,903 | ​ | ​ | 7,435
Professional services | ​ | ​ | 1,123 | ​ | ​ | 1,201 | ​ | ​ | 3,643 | ​ | ​ | 3,190
Amortization of intangibles | ​ | ​ | 536 | ​ | ​ | 604 | ​ | ​ | 1,671 | ​ | ​ | 1,824
Restructuring expenses | ​ | ​ | 1,310 | ​ | ​ | — | ​ | ​ | 1,310 | ​ | ​ | —
Other | ​ | ​ | 2,846 | ​ | ​ | 3,039 | ​ | ​ | 8,945 | ​ | ​ | 8,587
Total noninterest expense | ​ | ​ | 33,869 | ​ | ​ | 30,846 | ​ | ​ | 98,736 | ​ | ​ | 88,599
Income before income tax expense | ​ | ​ | 16,971 | ​ | ​ | 10,750 | ​ | ​ | 44,790 | ​ | ​ | 33,072
Income tax expense | ​ | ​ | 3,285 | ​ | ​ | 1,610 | ​ | ​ | 8,146 | ​ | ​ | 6,572
Net income | ​ | $ | 13,686 | ​ | $ | 9,140 | ​ | $ | 36,644 | ​ | $ | 26,500
​

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