NONINTEREST INCOME - Investment Management and Fiduciary Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Total investment management and fiduciary income
Revenue from External Customer [Line Items]
Noninterest income	$ 146,945	$ 131,050	$ 121,608
Trust fees
Revenue from External Customer [Line Items]
Noninterest income	101,514	89,396	79,472
Wealth management and advisory fees
Revenue from External Customer [Line Items]
Noninterest income	$ 45,431	$ 41,654	$ 42,136