Southside Bancshares, Inc. reported a net income of $17.3 million for Q4 2023, a decrease of $10.4 million compared to the same period in 2022. Earnings per diluted common share decreased to $0.57 from $0.87 in the same period in 2022. The decrease in net income was primarily due to decreases in noninterest income and net interest income and the increase in noninterest expense.