STOCK-BASED COMPENSATION - Schedule of Stock Appreciation Rights Activity (Details) - SSARs - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended
	Jun. 30, 2025	Dec. 31, 2024
Shares
Outstanding at beginning of period (in shares)	0
Replacement of CrossFirst SSARs (in shares)	424,390
Exercised (in shares)	(80,033)
Forfeited (in shares)	0
Expired (in shares)	0
Outstanding at end of period (in shares)	344,357
Exercisable (in shares)	307,153
Weighted- Average Exercise Price
Weighted- Average Exercise Price, Outstanding, beginning balance (in dollars per share)	$ 0
Weighted- Average Exercise Price, Replacement of CrossFirst SSARs (in dollars per share)	15.78
Weighted- Average Exercise Price, Exercised (in dollars per shares)	10.93
Weighted- Average Exercise Price, Forfeited (in dollars per shares)	0
Weighted- Average Exercise Price, Expired (in dollars per shares)	0
Weighted- Average Exercise Price, Outstanding, ending balance (in dollars per share)	16.91
Weighted- Average Exercise Price, Exercisable (in dollars per share)	$ 16.46
Weighted- Average Remaining Contractual Term
Weighted- Average Remaining Contractual Term	4 years 10 months 24 days
Weighted- Average Remaining Contractual Term, Exercisable (in years)	4 years 11 months 4 days
Intrinsic value, options outstanding	$ 2,058	$ 0
Intrinsic value, exercisable at end of year	1,975
Aggregate intrinsic value of SSARs exercised	$ 900