LEASES - Schedule of Lease Costs and Other Lease Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Lease costs
Operating lease costs	$ 957	$ 535
Variable lease costs	15	14
Short-term lease costs	12	13
Total lease cost	984	562
Cash flows related to leases
Operating lease cash flows – Fixed payments	875	507
Operating lease cash flows – Liability reduction	684	411
Right of use assets obtained during the period in exchange for operating lease liabilities	30,733	$ 0
CrossFirst
Cash flows related to leases
Additional right of use assets obtained during the period in exchange for operating lease liabilities	$ 30,700