MERGERS AND ACQUISITIONS - Schedule of Pre-tax Costs to Consummate the Merger (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Business Combination [Line Items]
Pre-tax costs to consummate the merger	$ 301	$ 1,177	$ 7,531	$ 1,463
M&M
Business Combination [Line Items]
Pre-tax costs to consummate the merger	0	(3)	0	147
CrossFirst
Business Combination [Line Items]
Pre-tax costs to consummate the merger	$ 301	$ 1,180	$ 7,531	$ 1,316