| Schedule of carrying amount and estimated fair values of financial instruments |
| | | | | | | | | | | | | | | | | | September 30, 2026 | | | Carrying | | Fair | | | | | | | | | | | | Amount | | Value | | Level 1 | | Level 2 | | Level 3 | Financial assets: | | | | | | | | | | | | | | | | Cash and due from banks | | $ | 42,155 | | $ | 42,155 | | $ | 42,155 | | $ | - | | $ | - | Interest earning deposits with financial institutions | | | 65,948 | | | 65,948 | | | 65,948 | | | - | | | - | Securities available-for-sale | | | 978,576 | | | 978,576 | | | 148,073 | | | 818,854 | | | 11,649 | FHLBC and FRBC stock | | | 40,811 | | | 40,811 | | | - | | | 40,811 | | | - | Loans held-for-sale | | | 1,407 | | | 1,407 | | | - | | | 1,407 | | | - | Net loans | | | 5,173,868 | | | 5,038,129 | | | - | | | - | | | 5,038,129 | Mortgage servicing rights | | | 10,690 | | | 10,690 | | | - | | | - | | | 10,690 | Interest rate swap and rate cap agreements | | | 7,002 | | | 7,002 | | | - | | | 7,002 | | | - | Interest receivable on securities and loans | | | 29,721 | | | 29,721 | | | - | | | 29,721 | | | - | | | | | | | | | | | | | | | | | Financial liabilities: | | | | | | | | | | | | | | | | Noninterest bearing deposits | | $ | 1,671,745 | | $ | 1,671,745 | | $ | 1,671,745 | | $ | - | | $ | - | Interest bearing deposits | | | 3,655,819 | | | 3,646,913 | | | - | | | 3,646,913 | | | - | Securities sold under repurchase agreements | | | 29,908 | | | 29,908 | | | - | | | 29,908 | | | - | Other short-term borrowings | | | 395,000 | | | 395,000 | | | - | | | 395,000 | | | - | Junior subordinated debentures | | | 25,774 | | | 21,521 | | | - | | | 21,521 | | | - | Subordinated debentures | | | 29,808 | | | 28,908 | | | - | | | 28,908 | | | - | Note payable and other borrowings | | | 9,893 | | | 9,875 | | | - | | | 9,875 | | | - | Interest rate swap and rate cap agreements | | | 2,025 | | | 2,025 | | | - | | | 2,025 | | | - | Interest rate lock commitments and forward contracts | | | 20 | | | 20 | | | - | | | 20 | | | - | Interest payable on deposits and borrowings | | | 3,979 | | | 3,979 | | | - | | | 3,979 | | | - | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | December 31, 2025 | | | Carrying | | Fair | | | | | | | | | Amount | | Value | | Level 1 | | Level 2 | | Level 3 | Financial assets: | | | | | | | | | | | | | | | | Cash and due from banks | | $ | 51,665 | | $ | 51,665 | | $ | 51,665 | | $ | - | | $ | - | Interest earning deposits with financial institutions | | | 72,360 | | | 72,360 | | | 72,360 | | | - | | | - | Securities available-for-sale | | | 1,090,523 | | | 1,090,523 | | | 165,860 | | | 912,866 | | | 11,797 | FHLBC and FRBC stock | | | 32,025 | | | 32,025 | | | - | | | 32,025 | | | - | Loans held-for-sale | | | 3,645 | | | 3,645 | | | - | | | 3,645 | | | - | Net loans | | | 5,179,830 | | | 5,032,472 | | | - | | | - | | | 5,032,472 | Mortgage servicing rights | | | 9,459 | | | 9,459 | | | - | | | - | | | 9,459 | Interest rate swap and rate cap agreements | | | 4,298 | | | 4,298 | | | - | | | 4,298 | | | - | Interest rate lock commitments and forward contracts | | | 31 | | | 31 | | | - | | | 31 | | | - | Interest receivable on securities and loans | | | 30,344 | | | 30,344 | | | - | | | 30,344 | | | - | | | | | | | | | | | | | | | | | Financial liabilities: | | | | | | | | | | | | | | | | Noninterest bearing deposits | | $ | 1,739,117 | | $ | 1,739,117 | | $ | 1,739,117 | | $ | - | | $ | - | Interest bearing deposits | | | 3,856,952 | | | 3,850,530 | | | - | | | 3,850,530 | | | - | Securities sold under repurchase agreements | | | 23,769 | | | 23,769 | | | - | | | 23,769 | | | - | Other short-term borrowings | | | 215,000 | | | 215,000 | | | - | | | 215,000 | | | - | Junior subordinated debentures | | | 25,774 | | | 21,522 | | | - | | | 21,522 | | | - | Subordinated debentures | | | 59,552 | | | 57,973 | | | - | | | 57,973 | | | - | Note payable and other borrowings | | | 14,825 | | | 15,049 | | | - | | | 15,049 | | | - | Interest rate swap and rate cap agreements | | | 1,143 | | | 1,143 | | | - | | | 1,143 | | | - | Interest payable on deposits and borrowings | | | 5,451 | | | 5,451 | | | - | | | 5,451 | | | - | | | | | | | | | | | | | | | | |
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