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FAIR VALUE - CARRYING AMOUNTS AND FV OF FINANCIAL INSTRUMENTS (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Jun. 30, 2025 | Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | --- | --- | --- | --- | ---
Assets: |  |  |  |  |  |
Available-for-sale debt securities | $ 843,171 |  | $ 584,155 |  |  |
Held-to-maturity debt securities | 5,087 |  | 10,735 |  |  |
Equity securities with readily determinable fair value | 945 |  | 693 |  |  |
Mortgage loans held for sale, at fair value | 15,338 | $ 8,850 | 8,312 | $ 8,526 | $ 9,703 | $ 3,227
Consumer loans held for sale, at fair value | 8,444 | 8,312 | 5,443 | 6,080 | 8,341 | 7,914
Consumer loans held for sale, at the lower of cost or fair value | 16,424 | $ 19,640 | 18,632 | $ 19,801 | $ 23,860 | $ 16,094
Carrying Value |  |  |  |  |  |
Assets: |  |  |  |  |  |
Cash and cash equivalents | 484,238 |  | 432,151 |  |  |
Available-for-sale debt securities | 843,171 |  | 584,155 |  |  |
Held-to-maturity debt securities | 5,110 |  | 10,778 |  |  |
Equity securities with readily determinable fair value | 945 |  | 693 |  |  |
Mortgage loans held for sale, at fair value | 15,338 |  | 8,312 |  |  |
Consumer loans held for sale, at fair value | 8,444 |  | 5,443 |  |  |
Consumer loans held for sale, at the lower of cost or fair value | 16,424 |  | 18,632 |  |  |
Loans, net | 5,201,509 |  | 5,347,488 |  |  |
Federal Home Loan Bank stock | 25,849 |  | 24,478 |  |  |
Accrued interest receivable | 20,797 |  | 20,128 |  |  |
Mortgage servicing rights | 6,798 |  | 6,975 |  |  |
Rate lock commitments | 475 |  | 223 |  |  |
Mandatory forward contracts | 101 |  | 70 |  |  |
Liabilities: |  |  |  |  |  |
Securities sold under agreements to repurchase and other short-term borrowings | 74,522 |  | 103,318 |  |  |
Federal Home Loan Bank advances | 375,000 |  | 395,000 |  |  |
Accrued interest payable | 4,483 |  | 5,153 |  |  |
Carrying Value | Bank clients and institutional swap dealer |  |  |  |  |  |
Assets: |  |  |  |  |  |
Interest rate swap agreements | 6,745 |  | 6,588 |  |  |
Liabilities: |  |  |  |  |  |
Interest rate swap agreements | 6,745 |  | 6,588 |  |  |
Carrying Value | FHLB Advances |  |  |  |  |  |
Liabilities: |  |  |  |  |  |
Interest rate swap agreements | 2,907 |  | 647 |  |  |
Carrying Value | Non Interest Bearing Deposits |  |  |  |  |  |
Liabilities: |  |  |  |  |  |
Deposit liabilities, fair value | 1,239,023 |  | 1,207,764 |  |  |
Carrying Value | Transaction deposits |  |  |  |  |  |
Liabilities: |  |  |  |  |  |
Deposit liabilities, fair value | 3,442,646 |  | 3,231,738 |  |  |
Carrying Value | Time deposits |  |  |  |  |  |
Liabilities: |  |  |  |  |  |
Deposit liabilities, fair value | 656,676 |  | 771,044 |  |  |
Total Fair Value |  |  |  |  |  |
Assets: |  |  |  |  |  |
Cash and cash equivalents | 484,238 |  | 432,151 |  |  |
Available-for-sale debt securities | 843,171 |  | 584,155 |  |  |
Held-to-maturity debt securities | 5,087 |  | 10,735 |  |  |
Equity securities with readily determinable fair value | 945 |  | 693 |  |  |
Mortgage loans held for sale, at fair value | 15,338 |  | 8,312 |  |  |
Consumer loans held for sale, at fair value | 8,444 |  | 5,443 |  |  |
Consumer loans held for sale, at the lower of cost or fair value | 16,498 |  | 18,714 |  |  |
Loans, net | 5,106,317 |  | 5,209,571 |  |  |
Accrued interest receivable | 20,797 |  | 20,128 |  |  |
Mortgage servicing rights | 16,941 |  | 17,159 |  |  |
Rate lock commitments | 475 |  | 223 |  |  |
Mandatory forward contracts | 101 |  | 70 |  |  |
Liabilities: |  |  |  |  |  |
Securities sold under agreements to repurchase and other short-term borrowings | 74,522 |  | 103,318 |  |  |
Federal Home Loan Bank advances | 379,059 |  | 395,814 |  |  |
Accrued interest payable | 4,483 |  | 5,153 |  |  |
Total Fair Value | Bank clients and institutional swap dealer |  |  |  |  |  |
Assets: |  |  |  |  |  |
Interest rate swap agreements | 6,745 |  | 6,588 |  |  |
Liabilities: |  |  |  |  |  |
Interest rate swap agreements | 6,745 |  | 6,588 |  |  |
Total Fair Value | FHLB Advances |  |  |  |  |  |
Liabilities: |  |  |  |  |  |
Interest rate swap agreements | 2,907 |  | 647 |  |  |
Total Fair Value | Non Interest Bearing Deposits |  |  |  |  |  |
Liabilities: |  |  |  |  |  |
Deposit liabilities, fair value | 1,239,023 |  | 1,207,764 |  |  |
Total Fair Value | Transaction deposits |  |  |  |  |  |
Liabilities: |  |  |  |  |  |
Deposit liabilities, fair value | 3,442,646 |  | 3,231,738 |  |  |
Total Fair Value | Time deposits |  |  |  |  |  |
Liabilities: |  |  |  |  |  |
Deposit liabilities, fair value | 646,284 |  | 773,415 |  |  |
Total Fair Value | Fair Value, Inputs, Level 1 |  |  |  |  |  |
Assets: |  |  |  |  |  |
Cash and cash equivalents | 484,238 |  | 432,151 |  |  |
Available-for-sale debt securities | 34,750 |  | 84,775 |  |  |
Total Fair Value | Fair Value, Inputs, Level 2 |  |  |  |  |  |
Assets: |  |  |  |  |  |
Available-for-sale debt securities | 802,899 |  | 493,796 |  |  |
Held-to-maturity debt securities | 5,087 |  | 10,735 |  |  |
Equity securities with readily determinable fair value | 945 |  | 693 |  |  |
Mortgage loans held for sale, at fair value | 15,338 |  | 8,312 |  |  |
Accrued interest receivable | 20,797 |  | 20,128 |  |  |
Mortgage servicing rights | 16,941 |  | 17,159 |  |  |
Rate lock commitments | 475 |  | 223 |  |  |
Mandatory forward contracts | 101 |  | 70 |  |  |
Liabilities: |  |  |  |  |  |
Securities sold under agreements to repurchase and other short-term borrowings | 74,522 |  | 103,318 |  |  |
Federal Home Loan Bank advances | 379,059 |  | 395,814 |  |  |
Accrued interest payable | 4,483 |  | 5,153 |  |  |
Total Fair Value | Fair Value, Inputs, Level 2 | Bank clients and institutional swap dealer |  |  |  |  |  |
Assets: |  |  |  |  |  |
Interest rate swap agreements | 6,745 |  | 6,588 |  |  |
Liabilities: |  |  |  |  |  |
Interest rate swap agreements | 6,745 |  | 6,588 |  |  |
Total Fair Value | Fair Value, Inputs, Level 2 | FHLB Advances |  |  |  |  |  |
Liabilities: |  |  |  |  |  |
Interest rate swap agreements | 2,907 |  | 647 |  |  |
Total Fair Value | Fair Value, Inputs, Level 2 | Non Interest Bearing Deposits |  |  |  |  |  |
Liabilities: |  |  |  |  |  |
Deposit liabilities, fair value | 1,239,023 |  | 1,207,764 |  |  |
Total Fair Value | Fair Value, Inputs, Level 2 | Transaction deposits |  |  |  |  |  |
Liabilities: |  |  |  |  |  |
Deposit liabilities, fair value | 3,442,646 |  | 3,231,738 |  |  |
Total Fair Value | Fair Value, Inputs, Level 2 | Time deposits |  |  |  |  |  |
Liabilities: |  |  |  |  |  |
Deposit liabilities, fair value | 646,284 |  | 773,415 |  |  |
Total Fair Value | Fair Value, Inputs, Level 3 |  |  |  |  |  |
Assets: |  |  |  |  |  |
Available-for-sale debt securities | 5,522 |  | 5,584 |  |  |
Consumer loans held for sale, at fair value | 8,444 |  | 5,443 |  |  |
Consumer loans held for sale, at the lower of cost or fair value | 16,498 |  | 18,714 |  |  |
Loans, net | $ 5,106,317 |  | $ 5,209,571 |  |  |

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