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Disclosures About Fair Value of Financial Instruments - Schedule of financial instruments fair value (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Subordinated debentures |  |
DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS |  |
Carrying Amount | $ 25,774 | $ 25,774
Fair Value | $ 25,774 | $ 25,774
Hierarchy Level | 3 | 3
Subordinated notes |  |
DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS |  |
Carrying Amount | $ 74,579 | $ 74,281
Fair Value | $ 71,625 | $ 72,000
Hierarchy Level | 2 | 2
Deposits |  |
DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS |  |
Carrying Amount | $ 4,721,708 | $ 4,684,910
Fair Value | $ 4,714,624 | $ 4,672,913
Hierarchy Level | 3 | 3
Short-term Debt |  |
DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS |  |
Carrying Amount | $ 323,453 | $ 266,426
Fair Value | $ 323,453 | $ 266,426
Hierarchy Level | 3 | 3
Unrecognized financial instruments (net of contractual value) | Commitments to originate loans |  |
DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS |  |
Hierarchy Level | 3 | 3
Unrecognized financial instruments (net of contractual value) | Letters of credit |  |
DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS |  |
Carrying Amount | $ 78 | $ 73
Fair Value | $ 78 | $ 73
Hierarchy Level | 3 | 3
Unrecognized financial instruments (net of contractual value) | Lines of credit |  |
DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS |  |
Hierarchy Level | 3 | 3
Interest payable |  |
DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS |  |
Carrying Amount | $ 6,225 | $ 3,010
Fair Value | $ 6,225 | $ 3,010
Hierarchy Level | 3 | 3
Loans, net of allowance for credit losses |  |
DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS |  |
Carrying Amount | $ 4,589,620 | $ 4,506,836
Fair Value | $ 4,402,314 | $ 4,391,084
Hierarchy Level | 3 | 3
Cash and cash equivalents |  |
DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS |  |
Carrying Amount | $ 211,333 | $ 168,520
Fair Value | $ 211,333 | $ 168,520
Hierarchy Level | 1 | 1
Held-to-maturity securities |  |
DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS |  |
Carrying Amount | $ 195,023 | $ 202,495
Fair Value | $ 171,193 | $ 177,765
Hierarchy Level | 2 | 2
Mortgage loans held for sale |  |
DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS |  |
Carrying Amount | $ 5,849 | $ 4,811
Fair Value | $ 5,849 | $ 4,811
Hierarchy Level | 2 | 2
Interest Receivable |  |
DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS |  |
Carrying Amount | $ 21,206 | $ 19,107
Fair Value | $ 21,206 | $ 19,107
Hierarchy Level | 3 | 3
Investment in FHLB stock and other assets |  |
DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS |  |
Carrying Amount | $ 26,313 | $ 30,814
Fair Value | $ 26,313 | $ 30,814
Hierarchy Level | 3 | 3

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