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Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands | Jun. 30, 2018 | Dec. 31, 2017 | Jun. 30, 2017
--- | --- | --- | ---
Financial assets: |  |  |
Cash and due from banks | $ 34,161 | $ 37,444 |
Interest bearing deposits with financial institutions | 31,147 | 18,389 |
Securities available-for-sale | 543,644 | 541,439 | $ 543,644
FHLBC and FRBC Stock | 9,093 | 10,168 |
Bank-owned life insurance | 61,159 | 61,764 |
Financial liabilities: |  |  |
Noninterest bearing deposits | 620,807 | 572,404 |
Other short-term borrowings | 76,625 | 115,000 |
Junior subordinated debentures | 57,662 | 57,639 |
Carrying Amount |  |  |
Financial assets: |  |  |
Cash and due from banks | 34,161 | 37,444 |
Interest bearing deposits with financial institutions | 31,147 | 18,389 |
Securities available-for-sale | 543,644 | 541,439 |
FHLBC and FRBC Stock | 9,093 | 10,168 |
Loans held for sale | 5,206 | 4,067 |
Loans, net | 1,829,841 | 1,600,161 |
Accrued interest receivable | 10,244 | 8,595 |
Financial liabilities: |  |  |
Noninterest bearing deposits | 620,807 | 572,404 |
Interest bearing deposits | 1,541,044 | 1,350,521 |
Securities sold under repurchase agreements | 54,038 | 29,918 |
Other short-term borrowings | 76,625 | 115,000 |
Junior subordinated debentures | 57,662 | 57,639 |
Subordinated debenture | 44,108 | 44,058 |
Note payable and other borrowings | 23,496 |  |
Interest rate swap |  | 1,287 |
Borrowing interest payable | 192 | 140 |
Deposit interest payable | 800 | 631 |
Total Fair Value |  |  |
Financial assets: |  |  |
Cash and due from banks | 34,161 | 37,444 |
Interest bearing deposits with financial institutions | 31,147 | 18,389 |
Securities available-for-sale | 543,644 | 541,439 |
FHLBC and FRBC Stock | 9,093 | 10,168 |
Loans held for sale | 5,206 | 4,067 |
Loans, net | 1,816,393 | 1,586,722 |
Accrued interest receivable | 10,244 | 8,595 |
Financial liabilities: |  |  |
Noninterest bearing deposits | 620,807 | 572,404 |
Interest bearing deposits | 1,534,109 | 1,346,339 |
Securities sold under repurchase agreements | 54,038 | 29,918 |
Other short-term borrowings | 76,625 | 115,000 |
Junior subordinated debentures | 59,471 | 59,471 |
Subordinated debenture | 46,743 | 46,743 |
Note payable and other borrowings | 23,496 |  |
Interest rate swap |  | 1,287 |
Borrowing interest payable | 192 | 140 |
Deposit interest payable | 800 | 631 |
Level 1 |  |  |
Financial assets: |  |  |
Cash and due from banks | 34,161 | 37,444 |
Interest bearing deposits with financial institutions | 31,147 | 18,389 |
Securities available-for-sale | 3,876 | 3,947 |
Financial liabilities: |  |  |
Noninterest bearing deposits | 620,807 | 572,404 |
Junior subordinated debentures | 33,267 | 33,267 |
Level 2 |  |  |
Financial assets: |  |  |
Securities available-for-sale | 519,548 | 520,963 |
FHLBC and FRBC Stock | 9,093 | 10,168 |
Loans held for sale | 5,206 | 4,067 |
Accrued interest receivable | 10,244 | 8,595 |
Financial liabilities: |  |  |
Interest bearing deposits | 1,534,109 | 1,346,339 |
Securities sold under repurchase agreements | 54,038 | 29,918 |
Other short-term borrowings | 76,625 | 115,000 |
Junior subordinated debentures | 26,204 | 26,204 |
Subordinated debenture | 46,743 | 46,743 |
Note payable and other borrowings | 23,496 |  |
Interest rate swap |  | 1,287 |
Borrowing interest payable | 192 | 140 |
Deposit interest payable | 800 | 631 |
Level 3 |  |  |
Financial assets: |  |  |
Securities available-for-sale | 20,220 | 16,529 |
Loans, net | $ 1,816,393 | $ 1,586,722 |

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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/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -URI http://asc.fasb.org/subtopic&trid=2196772 + Details
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