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Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

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Fair value of investment in debt security measured at amortized cost (held-to-maturity).

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FAIR VALUE - Summary of carrying amounts and estimated fair values for financial instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025	Sep. 30, 2025	Dec. 31, 2024
Assets:
Cash and cash equivalents	$ 166,248	$ 200,281	$ 355,639	$ 237,941
Held-to-maturity debt securities, net of ACL	134,582	90,635
Loans (includes $1,146 and $3,182 measured at fair value, respectively)	2,810,837	2,649,484
Accrued interest receivable	12,515	11,209
Liabilities:
FHLB borrowings – fixed rate	150,926	62,841
Subordinated notes	34,883	44,772
Accrued interest payable	1,586	1,295
Fair Value Carrying Amount	20,135	43,358
Loans held for investment
Liabilities:
Fair Value Carrying Amount	1,146	3,182
Carrying Amount
Assets:
Cash and cash equivalents	166,248	200,281
Held-to-maturity debt securities, net of ACL	141,852	94,970
Loans (includes $1,146 and $3,182 measured at fair value, respectively)	2,784,314	2,625,800
Accrued interest receivable	12,515	11,209
Liabilities:
Term deposits	354,407	352,473
Non-term deposits	2,561,806	2,394,102
FHLB borrowings – fixed rate	150,926	12,332
FHLB borrowings – floating rate		50,000
Federal Reserve borrowings – fixed rate		509
Accrued interest payable	1,586	1,295
Subordinated Notes \| Carrying Amount
Liabilities:
Subordinated notes	34,883	44,772
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Estimate of Fair Value Measurement
Assets:
Cash and cash equivalents	166,248	200,281
Held-to-maturity debt securities, net of ACL	247	248
Accrued interest receivable	12,515	11,209
Liabilities:
Term deposits	333,069	327,898
Non-term deposits	2,561,806	2,394,102
FHLB borrowings – fixed rate	150,926	12,332
Federal Reserve borrowings – fixed rate		509
Accrued interest payable	1,586	1,295
Significant Other Observable Inputs (Level 2) \| Estimate of Fair Value Measurement
Assets:
Held-to-maturity debt securities, net of ACL	115,524	79,664
Liabilities:
FHLB borrowings – floating rate		50,000
Significant Unobservable Inputs (Level 3) \| Estimate of Fair Value Measurement
Assets:
Held-to-maturity debt securities, net of ACL	18,811	10,723
Loans (includes $1,146 and $3,182 measured at fair value, respectively)	2,702,385	2,567,911
Liabilities:
Term deposits	21,019	24,825
Significant Unobservable Inputs (Level 3) \| Subordinated Notes \| Estimate of Fair Value Measurement
Liabilities:
Subordinated notes	$ 32,647	$ 42,017