LEASES - Schedule of Lease Costs and Other Lease Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Finance lease costs:
Amortization expense	$ 79	$ 0
Interest expense	78	0
Variable lease costs	10	15
Short-term lease costs	5	12
Total lease cost	1,891	984
Cash flows related to leases
Operating cash flows from operating leases	3,005	1,559
Operating cash flows from finance leases	78	0
Financing cash flows from finance leases	45	0
Right of use assets obtained in exchange for operating lease liabilities	3,248	30,733
CrossFirst
Cash flows related to leases
Right of use assets obtained in exchange for operating lease liabilities		30,700
Net occupancy expense of premises
Operating lease costs:
Premises and Equipment rent expense	1,711	950
Furniture and equipment expenses
Operating lease costs:
Premises and Equipment rent expense	$ 8	$ 7