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Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Financial assets: |  |
Cash and due from banks | $ 33,805 | $ 26,975
Interest bearing deposits with financial institutions | 13,529 | 13,363
Securities available-for-sale | 531,838 | 456,066
Securities held-to-maturity |  | 247,746
FHLBC and FRBC Stock | 7,918 | 8,518
Bank-owned life insurance | 60,332 | 59,049
Financial liabilities: |  |
Noninterest bearing deposits | 513,688 | 442,639
Other short-term borrowings | 70,000 | 15,000
Junior subordinated debentures | 57,591 | 57,543
Carrying Amount |  |
Financial assets: |  |
Cash and due from banks | 33,805 | 26,975
Interest bearing deposits with financial institutions | 13,529 | 13,363
Securities available-for-sale | 531,838 | 456,066
Securities held-to-maturity |  | 247,746
FHLBC and FRBC Stock | 7,918 | 8,518
Loans held for sale | 4,918 | 2,849
Loans, net | 1,462,651 | 1,117,492
Accrued interest receivable | 5,928 | 4,464
Financial liabilities: |  |
Noninterest bearing deposits | 513,688 | 442,639
Interest bearing deposits | 1,353,097 | 1,316,447
Securities sold under repurchase agreements | 25,715 | 34,070
Other short-term borrowings | 70,000 | 15,000
Junior subordinated debentures | 57,591 | 57,543
Subordinated debenture | 43,998 | 45,000
Note payable and other borrowings |  | 500
Interest rate swap | 994 |
Borrowing interest payable | 202 | 75
Deposit interest payable | 599 | 445
Total Fair Value |  |
Financial assets: |  |
Cash and due from banks | 33,805 | 26,975
Interest bearing deposits with financial institutions | 13,529 | 13,363
Securities available-for-sale | 531,838 | 456,066
Securities held-to-maturity |  | 251,675
FHLBC and FRBC Stock | 7,918 | 8,518
Loans held for sale | 4,918 | 2,849
Loans, net | 1,453,429 | 1,126,959
Accrued interest receivable | 5,928 | 4,464
Financial liabilities: |  |
Noninterest bearing deposits | 513,688 | 442,639
Interest bearing deposits | 1,351,000 | 1,316,550
Securities sold under repurchase agreements | 25,715 | 34,070
Other short-term borrowings | 70,000 | 15,000
Junior subordinated debentures | 55,163 | 53,851
Subordinated debenture | 43,998 | 41,101
Note payable and other borrowings |  | 445
Interest rate swap | 994 |
Borrowing interest payable | 202 | 75
Deposit interest payable | 599 | 445
Level 1 |  |
Financial assets: |  |
Cash and due from banks | 33,805 | 26,975
Interest bearing deposits with financial institutions | 13,529 | 13,363
Securities available-for-sale |  | 1,509
Financial liabilities: |  |
Noninterest bearing deposits | 513,688 | 442,639
Junior subordinated debentures | 32,404 | 31,606
Level 2 |  |
Financial assets: |  |
Securities available-for-sale | 506,493 | 454,446
Securities held-to-maturity |  | 251,675
FHLBC and FRBC Stock | 7,918 | 8,518
Loans held for sale | 4,918 | 2,849
Accrued interest receivable | 5,928 | 4,464
Financial liabilities: |  |
Interest bearing deposits | 1,351,000 | 1,316,550
Securities sold under repurchase agreements | 25,715 | 34,070
Other short-term borrowings | 70,000 | 15,000
Junior subordinated debentures | 22,759 | 22,245
Subordinated debenture | 43,998 | 41,101
Note payable and other borrowings |  | 445
Interest rate swap | 994 |
Borrowing interest payable | 202 | 75
Deposit interest payable | 599 | 445
Level 3 |  |
Financial assets: |  |
Securities available-for-sale | 25,345 | 111
Loans, net | $ 1,453,429 | 1,126,959
Interest rate swap agreements net of swap credit valuation | Carrying Amount |  |
Financial liabilities: |  |
Interest rate swap |  | 631
Interest rate swap agreements net of swap credit valuation | Total Fair Value |  |
Financial liabilities: |  |
Interest rate swap |  | 631
Interest rate swap agreements net of swap credit valuation | Level 2 |  |
Financial liabilities: |  |
Interest rate swap |  | $ 631

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