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Condensed Financial Information (Parent Company Only) - Schedule of Condensed Statements of Income (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Income |  |  |
Dividends from equity securities | $ 11,642 | $ 9,198 | $ 14,835
Net income | 392,929 | 305,262 | 319,021
Home BancShares |  |  |
Income |  |  |
Dividends from equity securities | 3,634 | 2,088 | 646
Dividends from banking subsidiary | 329,997 | 216,086 | 286,712
Other (loss) income | (724) | (1,297) | 7,234
Total income | 332,907 | 216,877 | 294,592
Expenses | 32,361 | 38,933 | 34,194
Income before income taxes and equity in undistributed net income of subsidiaries | 300,546 | 177,944 | 260,398
Tax benefit for income taxes | 7,514 | 10,752 | 7,161
Income before equity in undistributed net income of subsidiaries | 308,060 | 188,696 | 267,559
Equity in undistributed net income of subsidiaries | 84,869 | 116,566 | 51,462
Net income | $ 392,929 | $ 305,262 | $ 319,021

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