BORROWINGS - Retail Repurchase Agreements and Federal Funds Purchased (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Retail repurchase agreements
Short-term Debt [Line Items]
Other short-term borrowings	$ 75,032	$ 61,967
Short-term debt, average outstanding amount	63,259	108,273
Other short term borrowings, maximum month end balance	$ 78,239	$ 139,416
Interest rate	2.00%	0.11%
Weighted average interest rate, over time	1.45%	0.11%
Federal funds purchased
Short-term Debt [Line Items]
Other short-term borrowings	$ 0	$ 260,000
Short-term debt, average outstanding amount	69,672	107,785
Other short term borrowings, maximum month end balance	$ 330,000	$ 260,000
Interest rate	0.00%	4.18%
Weighted average interest rate, over time	5.15%	2.60%
Federal Reserve Bank borrowings
Short-term Debt [Line Items]
Other short-term borrowings	$ 300,000	$ 0
Short-term debt, average outstanding amount	201,370	0
Other short term borrowings, maximum month end balance	$ 300,000	$ 0
Interest rate	4.92%	0.00%
Weighted average interest rate, over time	4.94%	0.00%