FAIR VALUE DISCLOSURES - Estimated Fair Values, and Related Carrying Amounts of Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Carrying Amount [Member]
Financial assets:
Cash and cash equivalents	$ 552,439	$ 359,082
Loans held for investment, net	3,099,371	3,011,817
Loans held for sale (best efforts)	2,197	6,751
Accrued interest receivable	20,931	21,687
Financial liabilities:
Deposits	3,874,077	3,620,876
Accrued interest payable	5,014	6,108
Junior subordinated deferrable interest debentures	46,393	46,393
Subordinated debt	14,100	63,961
Fair Value [Member]
Financial assets:
Cash and cash equivalents	552,439	359,082
Loans held for investment, net	3,082,072	2,937,678
Loans held for sale (best efforts)	2,237	6,875
Accrued interest receivable	20,931	21,687
Financial liabilities:
Deposits	3,873,806	3,621,106
Accrued interest payable	5,014	6,108
Junior subordinated deferrable interest debentures	35,213	34,285
Subordinated debt	13,907	60,969
Level 1 [Member] | Fair Value [Member]
Financial assets:
Cash and cash equivalents	552,439	359,082
Loans held for investment, net	0	0
Loans held for sale (best efforts)	0	0
Accrued interest receivable	0	0
Financial liabilities:
Deposits	0	0
Accrued interest payable	0	0
Junior subordinated deferrable interest debentures	0	0
Subordinated debt	0	0
Level 2 [Member] | Fair Value [Member]
Financial assets:
Cash and cash equivalents	0	0
Loans held for investment, net	0	0
Loans held for sale (best efforts)	2,237	6,875
Accrued interest receivable	20,931	21,687
Financial liabilities:
Deposits	3,873,806	3,621,106
Accrued interest payable	5,014	6,108
Junior subordinated deferrable interest debentures	35,213	34,285
Subordinated debt	13,907	60,969
Level 3 [Member] | Fair Value [Member]
Financial assets:
Cash and cash equivalents	0	0
Loans held for investment, net	3,082,072	2,937,678
Loans held for sale (best efforts)	0	0
Accrued interest receivable	0	0
Financial liabilities:
Deposits	0	0
Accrued interest payable	0	0
Junior subordinated deferrable interest debentures	0	0
Subordinated debt	$ 0	$ 0