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Fair Value Measurements (Details 4) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | --- | ---
Federal funds sold | $ 15,767 | $ 2,397 |
Interest bearing deposits with other banks | 167,261 | 357,690 |
Investment securities | 589,268 | 538,108 |
Loans held for sale | 25,096 | 51,629 |
Bank owned life insurance | 60,947 | 60,130 |
Interest bearing deposits | 420,417 | 289,122 | $ 178,797
Derivative liability | 10 | 692 |
Interest Rate Swap [Member] |  |  |
Derivative asset | 2,201 |  |
Derivative liability |  | 692 |
Fair Value, Inputs, Level 2 [Member] |  |  |
Cash and due from banks | 7,445 | 8,076 |
Federal funds sold | 15,767 | 2,397 |
Interest bearing deposits with other banks | 167,261 | 357,690 |
Investment securities | 587,550 |  |
Federal Reserve and Federal Home Loan Bank stock | 36,324 | 21,600 |
Loans held for sale | 25,096 | 51,629 |
Bank owned life insurance | 60,947 | 60,130 |
Annuity investment | 11,632 | 11,929 |
Noninterest bearing deposits | 1,982,912 | 1,775,684 |
Interest bearing deposits | 3,041,563 | 3,191,682 |
Certificates of deposit | 829,886 | 745,985 |
Customer repurchase agreements | 76,561 | 68,876 |
Borrowings | 533,162 | 203,657 |
Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap [Member] |  |  |
Derivative asset | 2,256 |  |
Derivative liability |  | 692 |
Fair Value, Inputs, Level 3 [Member] |  |  |
Investment securities | 1,718 |  |
Loans, net | 6,381,213 | 5,624,084 |
Derivative liability | 10 |  |
Fair Value, Inputs, Level 3 [Member] | Mortgage Banking Derivative [Member] |  |  |
Derivative asset | 43 | 114 |
Derivative liability | 10 | 55 |
Carrying Value [Member] |  |  |
Cash and due from banks | 7,445 | 8,076 |
Federal funds sold | 15,767 | 2,397 |
Interest bearing deposits with other banks | 167,261 | 357,690 |
Investment securities | 589,268 | 538,108 |
Federal Reserve and Federal Home Loan Bank stock | 36,324 | 21,600 |
Loans held for sale | 25,096 | 51,629 |
Loans, net | 6,346,770 | 5,618,819 |
Bank owned life insurance | 60,947 | 60,130 |
Annuity investment | 11,632 | 11,929 |
Noninterest bearing deposits | 1,982,912 | 1,775,684 |
Interest bearing deposits | 3,041,563 | 3,191,682 |
Certificates of deposit | 829,509 | 748,748 |
Customer repurchase agreements | 76,561 | 68,876 |
Borrowings | 541,905 | 216,514 |
Carrying Value [Member] | Interest Rate Swap [Member] |  |  |
Derivative asset | 2,256 |  |
Derivative liability |  | 692 |
Carrying Value [Member] | Mortgage Banking Derivative [Member] |  |  |
Derivative asset | 43 | 114 |
Derivative liability | 10 | 55 |
Fair Value [Member] |  |  |
Cash and due from banks | 7,445 | 8,076 |
Federal funds sold | 15,767 | 2,397 |
Interest bearing deposits with other banks | 167,261 | 357,690 |
Investment securities | 589,268 | 538,108 |
Federal Reserve and Federal Home Loan Bank stock | 36,324 | 21,600 |
Loans held for sale | 25,096 | 51,629 |
Loans, net | 6,381,213 | 5,624,084 |
Bank owned life insurance | 60,947 | 60,130 |
Annuity investment | 11,632 | 11,929 |
Noninterest bearing deposits | 1,982,912 | 1,775,684 |
Interest bearing deposits | 3,041,563 | 3,191,682 |
Certificates of deposit | 829,886 | 745,985 |
Customer repurchase agreements | 76,561 | 68,876 |
Borrowings | 533,162 | 203,657 |
Fair Value [Member] | Interest Rate Swap [Member] |  |  |
Derivative asset | 2,256 |  |
Derivative liability |  | 692 |
Fair Value [Member] | Mortgage Banking Derivative [Member] |  |  |
Derivative asset | 43 | 114 |
Derivative liability | $ 10 | $ 55 |

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