FAIR VALUE DISCLOSURES, Quantitative Information about Recurring and Non-Recurring Level 3 Fair Value Measurements (Details) $ in Thousands	Jun. 30, 2024 USD ($)	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Jun. 30, 2023 USD ($)	Mar. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Mortgage servicing rights	$ 26,426	$ 26,843	$ 26,569	$ 26,658	$ 25,795	$ 27,474
Non-recurring [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Loans held for investment	19,648		1,482
Non-recurring [Member] | Third Party Appraisals or Inspections [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Loans held for investment	$ 19,648		$ 1,482
Non-recurring [Member] | Third Party Appraisals or Inspections [Member] | Collateral Discounts and Selling Costs [Member] | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Loans held for investment, measurement input	0.20		0.20
Non-recurring [Member] | Third Party Appraisals or Inspections [Member] | Collateral Discounts and Selling Costs [Member] | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Loans held for investment, measurement input			1
Recurring [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Mortgage servicing rights	$ 26,426		$ 26,569
Recurring [Member] | Discounted Cash Flows [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Mortgage servicing rights	$ 26,426		$ 26,569
Recurring [Member] | Discounted Cash Flows [Member] | Constant Prepayment Rate [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Mortgage servicing rights, measurement input	0.0732		0.0746
Recurring [Member] | Discounted Cash Flows [Member] | Discount Rate [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Mortgage servicing rights, measurement input	0.1016		0.1066