FAIR VALUE - Schedule of Carrying Amounts and Estimated Fair Value of Financial Instruments not Carried at Fair Value (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Assets:
Cash and cash equivalents	$ 200,281	$ 237,941	$ 255,192
Held-to-maturity debt securities, net of ACL	90,635	68,161
Financing receivable loan	2,649,484	2,425,565
Accrued interest receivable	11,209	10,364
Liabilities:
FHLB borrowings – fixed rate	62,841	57,038
Accrued interest payable	1,295	1,995
Fair value carrying amount	43,358	32,989
Loans held for investment
Liabilities:
Fair value carrying amount	3,182	7,283
Carrying Amount
Assets:
Cash and cash equivalents	200,281	237,941
Held-to-maturity debt securities, net of ACL	94,970	75,724
Financing receivable loan	2,625,800	2,399,952
Accrued interest receivable	11,209	10,364
Liabilities:
Term deposits	352,473	471,415
Non-term deposits	2,394,102	2,042,794
FHLB borrowings – fixed rate	12,332	5,000
FHLB borrowings – floating rate	50,000	50,000
Federal Reserve borrowings – fixed rate	509	2,038
Subordinated notes – fixed-to-floating rate	44,772	52,565
Accrued interest payable	1,295	1,995
Estimate of Fair Value Measurement | Level 1
Assets:
Cash and cash equivalents	200,281	237,941
Held-to-maturity debt securities, net of ACL	248	242
Financing receivable loan	0	0
Accrued interest receivable	11,209	10,364
Liabilities:
Term deposits	327,898	429,008
Non-term deposits	2,394,102	2,042,794
FHLB borrowings – fixed rate	12,332	5,000
FHLB borrowings – floating rate	0	0
Federal Reserve borrowings – fixed rate	509	2,038
Subordinated notes – fixed-to-floating rate	0	0
Accrued interest payable	1,295	1,995
Estimate of Fair Value Measurement | Level 2
Assets:
Cash and cash equivalents	0	0
Held-to-maturity debt securities, net of ACL	79,664	60,044
Financing receivable loan	0	0
Accrued interest receivable	0	0
Liabilities:
Term deposits	0	0
Non-term deposits	0	0
FHLB borrowings – fixed rate	0	0
FHLB borrowings – floating rate	50,000	50,000
Federal Reserve borrowings – fixed rate	0	0
Subordinated notes – fixed-to-floating rate	0	0
Accrued interest payable	0	0
Estimate of Fair Value Measurement | Level 3
Assets:
Cash and cash equivalents	0	0
Held-to-maturity debt securities, net of ACL	10,723	7,875
Financing receivable loan	2,567,911	2,325,081
Accrued interest receivable	0	0
Liabilities:
Term deposits	24,825	42,764
Non-term deposits	0	0
FHLB borrowings – fixed rate	0	0
FHLB borrowings – floating rate	0	0
Federal Reserve borrowings – fixed rate	0	0
Subordinated notes – fixed-to-floating rate	42,017	48,451
Accrued interest payable	$ 0	$ 0