Accruing loans with direct exposure that are closely monitored by the Company.

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Non-accrual loans with direct exposure that are to be analyzed for individual evaluation.

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Past due accruing loans closely monitored by the Company for possible individual evaluation.

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Number of points on a grading scale for loans graded by the Company.

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Describes commercial loans the subcategories of loans held, any unusual risk concentration relating thereto, and the related loans receivable carrying amounts as of the balance sheet date. Such descriptions include information pertaining into two distinct sub-categories: (a) specialized and (b) general.

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Amount of credit loss expense on loans for financing receivable excluding off-balance sheet credit exposures.

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This element represents the ratio of allowance for credit losses to loans held for investment.

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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amortized cost of financing receivable with payment default in current period and modified within previous 12 months preceding payment default for debtor experiencing financial difficulty.

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Amount of writeoff of financing receivable originated in current fiscal year. Excludes net investment in lease.

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Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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Amount of expense (reversal of expense) for expected credit loss for off-balance sheet credit exposure. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

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Amount of credit loss expense (reversal of expense) for financing receivable.

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LOANS HELD FOR INVESTMENT (Details) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
LOANS HELD FOR INVESTMENT (Details) $ in Thousands	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) Category	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Dec. 31, 2023 USD ($)
LOANS HELD FOR INVESTMENT [Abstract]
Loans, gross	$ 3,053,503		$ 3,053,503		$ 3,055,054
Allowance for credit losses on loans	$ 44,125	$ 42,886	$ 44,125	$ 42,886	$ 43,237	$ 45,010	$ 43,173	$ 42,356
Ratio of ACL for loans to loans held for investment	1.45%		1.45%		1.42%
Provision for credit losses	$ 500	495	$ 3,420	3,100
Provision for credit losses	400	600	3,150	3,140
Provision for off-balance sheet credit exposures	100	(105)	$ 270	(40)
Number of points on a grading scale for loans			thirteen-point
2025/2024			$ 345		$ 457
Loans modified for borrowers experiencing financial difficulty that subsequently defaulted	0	$ 32	$ 97	$ 32
Commercial Portfolio Segment [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Number of sub-categories of loans (in Category) \| Category			2
Minimum [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Financing Receivable, Non-Accrual Loans with Direct Exposure Analyzed for Individual Evaluation	250		$ 250
Past due accruing loans closely monitored	100		100
Non-Owner Occupied Real Estate [Member] \| Commercial and Construction Real Estate Portfolio Segment [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Loans, gross	1,130,000		1,130,000		$ 1,220,000
Substandard [Member] \| Minimum [Member]
LOANS HELD FOR INVESTMENT [Abstract]
Financing Receivable, Accruing Loans with Direct Exposure Closely Monitored	$ 1,000		$ 1,000