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Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Financial assets: |  |
Cash and due from banks | $ 52,175 | $ 55,534
Interest earning deposits with financial institutions | 47,154 | 44,611
Securities available-for-sale | 1,161,701 | 1,192,829
FHLBC and FRBC Stock | 19,441 | 33,355
Mortgage servicing rights | 10,374 | 10,344
Financial liabilities: |  |
Noninterest bearing deposits | 1,704,920 | 1,834,891
Other short-term borrowings | 20,000 | 405,000
Junior subordinated debentures | $ 25,773 | $ 25,773
Derivative Asset Statement Of Financial Position Extensible Enumeration Not Disclosed Flag | true |
Derivative Liability Statement Of Financial Position Extensible Enumeration Not Disclosed Flag | true | true
Reported Value Measurement |  |
Financial assets: |  |
Cash and due from banks | $ 52,175 | $ 55,534
Interest earning deposits with financial institutions | 47,154 | 44,611
Securities available-for-sale | 1,161,701 | 1,192,829
FHLBC and FRBC Stock | 19,441 | 33,355
Loans held for sale | 1,556 | 1,322
Net loans | 3,937,717 | 3,998,689
Interest rate swap and rate cap agreements | 5,498 | 5,302
Interest rate lock commitments and forward contracts | 55 |
Interest receivable on securities and loans | 24,598 | 27,159
Financial liabilities: |  |
Noninterest bearing deposits | 1,704,920 | 1,834,891
Interest bearing deposits | 3,063,811 | 2,735,855
Securities sold under repurchase agreements | 36,657 | 26,470
Other short-term borrowings | 20,000 | 405,000
Junior subordinated debentures | 25,773 | 25,773
Subordinated debentures | 59,467 | 59,382
Interest rate swap and rate cap agreements | 3,187 | 8,324
Interest rate lock commitments and forward contracts |  | 10
Interest payable on deposits and borrowings | 3,871 | 2,962
Estimate of Fair Value Measurement |  |
Financial assets: |  |
Cash and due from banks | 52,175 | 55,534
Interest earning deposits with financial institutions | 47,154 | 44,611
Securities available-for-sale | 1,161,701 | 1,192,829
FHLBC and FRBC Stock | 19,441 | 33,355
Loans held for sale | 1,556 | 1,322
Net loans | 3,818,303 | 3,876,381
Interest rate swap and rate cap agreements | 5,498 | 5,302
Interest rate lock commitments and forward contracts | 55 |
Interest receivable on securities and loans | 24,598 | 27,159
Financial liabilities: |  |
Noninterest bearing deposits | 1,704,920 | 1,834,891
Interest bearing deposits | 3,056,180 | 2,726,223
Securities sold under repurchase agreements | 36,657 | 26,470
Other short-term borrowings | 20,000 | 405,000
Junior subordinated debentures | 21,444 | 20,361
Subordinated debentures | 54,533 | 47,982
Interest rate swap and rate cap agreements | 3,187 | 8,324
Interest rate lock commitments and forward contracts |  | 10
Interest payable on deposits and borrowings | 3,871 | 2,962
Fair Value, Inputs, Level 1 |  |
Financial assets: |  |
Cash and due from banks | 52,175 | 55,534
Interest earning deposits with financial institutions | 47,154 | 44,611
Securities available-for-sale | 194,143 | 169,574
Financial liabilities: |  |
Noninterest bearing deposits | 1,704,920 | 1,834,891
Fair Value, Inputs, Level 2 |  |
Financial assets: |  |
Securities available-for-sale | 952,408 | 1,007,926
FHLBC and FRBC Stock | 19,441 | 33,355
Loans held for sale | 1,556 | 1,322
Interest rate swap and rate cap agreements | 5,498 | 5,302
Interest rate lock commitments and forward contracts | 55 |
Interest receivable on securities and loans | 24,598 | 27,159
Financial liabilities: |  |
Interest bearing deposits | 3,056,180 | 2,726,223
Securities sold under repurchase agreements | 36,657 | 26,470
Other short-term borrowings | 20,000 | 405,000
Junior subordinated debentures | 21,444 | 20,361
Subordinated debentures | 54,533 | 47,982
Interest rate swap and rate cap agreements | 3,187 | 8,324
Interest rate lock commitments and forward contracts |  | 10
Interest payable on deposits and borrowings | 3,871 | 2,962
Fair Value, Inputs, Level 3 |  |
Financial assets: |  |
Securities available-for-sale | 15,150 | 15,329
Net loans | $ 3,818,303 | $ 3,876,381

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- Definition Including the current and noncurrent portions, the carrying value of junior subordinated long-term debt owed to unconsolidated subsidiary trusts as of the balance sheet date. Such debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets and was initially scheduled to be repaid after one year or beyond the normal operating cycle if longer. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 + Details
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- Definition Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Publisher FASB -URI https://asc.fasb.org//310-10/tableOfContent + Details
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- Definition The aggregate amount of all domestic and foreign noninterest-bearing deposits liabilities held by the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.12) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 + Details
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- Definition Fair value portion of securities that an entity sells and agrees to repurchase at a specified date for a specified price. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482907/825-10-50-10 + Details
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