XML 116 R101.htm IDEA: XBRL DOCUMENT v3.24.0.1
Non-Interest Expense (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Changes in Noncontrolling Interest [Line Items]      
Salaries and employee benefits $ 256,966 $ 238,885 $ 170,755
Occupancy and equipment 60,303 53,417 36,631
Data processing expense 36,329 34,942 24,280
Merger and acquisition expenses 0 49,594 1,886
Other operating expenses:      
Advertising 8,850 7,974 4,855
Amortization of intangibles 9,685 8,853 5,683
Electronic banking expense 14,313 13,632 9,817
Directors' fees 1,814 1,491 1,614
Due from bank service charges 1,115 1,255 1,044
FDIC and state assessment 25,530 8,428 5,472
Other expense 32,967 27,905 18,086
Insurance 3,567 3,705 3,118
Legal and accounting 5,230 9,401 3,703
Other professional fees 8,815 8,881 6,950
Operating supplies 3,138 3,120 1,915
Postage 2,081 2,078 1,283
Telephone 2,160 1,890 1,425
Total other operating expenses 119,265 98,789 64,965
Total non-interest expense 472,863 475,627 298,517
Hurricane expense      
Other operating expenses:      
Other expense $ 0 $ 176 $ 0