FAIR VALUE DISCLOSURES - Quantitative Information about Recurring and Non-Recurring Level 3 Fair Value Measurements (Details) $ in Thousands	Mar. 31, 2026 USD ($)	Dec. 31, 2025 USD ($)
Third Party Appraisals or Inspections [Member] \| Non-recurring [Member]
FAIR VALUE DISCLOSURES [Abstract]
Loans held for investment \| $	$ 2,344	$ 5,515
Discounted Cash Flows [Member] \| Recurring [Member]
FAIR VALUE DISCLOSURES [Abstract]
Mortgage servicing rights \| $	$ 24,611	$ 24,041
Collateral Discounts and Selling Costs [Member] \| Third Party Appraisals or Inspections [Member] \| Non-recurring [Member] \| Minimum [Member]
FAIR VALUE DISCLOSURES [Abstract]
Loans held for investment, measurement input	0.20	0.20
Collateral Discounts and Selling Costs [Member] \| Third Party Appraisals or Inspections [Member] \| Non-recurring [Member] \| Maximum [Member]
FAIR VALUE DISCLOSURES [Abstract]
Loans held for investment, measurement input	0.35	0.60
Constant Prepayment Rate [Member] \| Discounted Cash Flows [Member] \| Recurring [Member]
FAIR VALUE DISCLOSURES [Abstract]
Mortgage servicing rights, measurement input	0.0727	0.0881
Discount Rate [Member] \| Discounted Cash Flows [Member] \| Recurring [Member]
FAIR VALUE DISCLOSURES [Abstract]
Mortgage servicing rights, measurement input	0.0971	0.097