FAIR VALUE DISCLOSURES, Quantitative Information about Recurring and Non-Recurring Level 3 Fair Value Measurements (Details) $ in Thousands	Jun. 30, 2025 USD ($)	Mar. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Jun. 30, 2024 USD ($)	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Mortgage servicing rights	$ 25,134	$ 24,906	$ 26,292	$ 26,426	$ 26,843	$ 26,569
Non-recurring [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Loans held for investment	5,661		20,566
Non-recurring [Member] | Third Party Appraisals or Inspections [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Loans held for investment	$ 5,661		$ 20,566
Non-recurring [Member] | Third Party Appraisals or Inspections [Member] | Collateral Discounts and Selling Costs [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Loans held for investment, measurement input	0.20		0.20
Recurring [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Mortgage servicing rights	$ 25,134		$ 26,292
Recurring [Member] | Discounted Cash Flows [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Mortgage servicing rights	$ 25,134		$ 26,292
Recurring [Member] | Discounted Cash Flows [Member] | Constant Prepayment Rate [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Mortgage servicing rights, measurement input	0.0731		0.0716
Recurring [Member] | Discounted Cash Flows [Member] | Discount Rate [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Mortgage servicing rights, measurement input	0.1019		0.1017