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Fair Value Measurements - Recurring (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Assets: |  |
Securities available-for-sale | $ 531,838 | $ 456,066
Mortgage servicing rights | 6,489 | 5,847
U.S. Treasury |  |
Assets: |  |
Securities available-for-sale |  | 1,509
U.S. government agencies |  |
Assets: |  |
Securities available-for-sale |  | 1,556
U.S. government agency mortgage-backed |  |
Assets: |  |
Securities available-for-sale | 41,534 | 1,996
States and political subdivisions |  |
Assets: |  |
Securities available-for-sale | 68,703 | 30,526
Corporate bonds |  |
Assets: |  |
Securities available-for-sale | 10,630 | 29,400
Collateralized mortgage obligations |  |
Assets: |  |
Securities available-for-sale | 170,927 | 66,920
Asset-backed securities |  |
Assets: |  |
Securities available-for-sale | 138,407 | 231,908
Collateralized loan obligations |  |
Assets: |  |
Securities available-for-sale | 101,637 | 92,251
Level 1 |  |
Assets: |  |
Securities available-for-sale |  | 1,509
Level 2 |  |
Assets: |  |
Securities available-for-sale | 506,493 | 454,446
Loans held-for-sale | 4,918 | 2,849
Liabilities: |  |
Other liabilities | 994 |
Level 2 | Interest rate swap agreements net of swap credit valuation |  |
Liabilities: |  |
Other liabilities |  | 631
Level 2 | U.S. government agency mortgage-backed |  |
Assets: |  |
Securities available-for-sale | 41,534 |
Level 3 |  |
Assets: |  |
Securities available-for-sale | 25,345 | 111
Recurring |  |
Assets: |  |
Securities available-for-sale |  | 1,996
Loans held-for-sale | 4,918 | 2,849
Mortgage servicing rights | 6,489 | 5,847
Total financial assets | 544,205 | 465,064
Liabilities: |  |
Total | 1,667 | 745
Recurring | Interest rate swap agreements net of swap credit valuation |  |
Assets: |  |
Other assets | 673 | 114
Liabilities: |  |
Other liabilities | 1,667 | 745
Recurring | Forward MBS contracts and forward loan contracts |  |
Assets: |  |
Other assets | 287 | 188
Recurring | U.S. Treasury |  |
Assets: |  |
Securities available-for-sale |  | 1,509
Recurring | U.S. government agencies |  |
Assets: |  |
Securities available-for-sale |  | 1,556
Recurring | States and political subdivisions |  |
Assets: |  |
Securities available-for-sale | 68,703 | 30,526
Recurring | Corporate bonds |  |
Assets: |  |
Securities available-for-sale | 10,630 | 29,400
Recurring | Collateralized mortgage obligations |  |
Assets: |  |
Securities available-for-sale | 170,927 | 66,920
Recurring | Asset-backed securities |  |
Assets: |  |
Securities available-for-sale | 138,407 | 231,908
Recurring | Collateralized loan obligations |  |
Assets: |  |
Securities available-for-sale | 101,637 | 92,251
Recurring | Level 1 |  |
Assets: |  |
Total financial assets |  | 1,509
Recurring | Level 1 | U.S. Treasury |  |
Assets: |  |
Securities available-for-sale |  | 1,509
Recurring | Level 2 |  |
Assets: |  |
Securities available-for-sale |  | 1,996
Loans held-for-sale | 4,918 | 2,849
Total financial assets | 512,371 | 457,597
Liabilities: |  |
Total | 1,667 | 745
Recurring | Level 2 | Interest rate swap agreements net of swap credit valuation |  |
Assets: |  |
Other assets | 673 | 114
Liabilities: |  |
Other liabilities | 1,667 | 745
Recurring | Level 2 | Forward MBS contracts and forward loan contracts |  |
Assets: |  |
Other assets | 287 | 188
Recurring | Level 2 | U.S. government agencies |  |
Assets: |  |
Securities available-for-sale |  | 1,556
Recurring | Level 2 | States and political subdivisions |  |
Assets: |  |
Securities available-for-sale | 46,477 | 30,415
Recurring | Level 2 | Corporate bonds |  |
Assets: |  |
Securities available-for-sale | 10,630 | 29,400
Recurring | Level 2 | Collateralized mortgage obligations |  |
Assets: |  |
Securities available-for-sale | 167,808 | 66,920
Recurring | Level 2 | Asset-backed securities |  |
Assets: |  |
Securities available-for-sale | 138,407 | 231,908
Recurring | Level 2 | Collateralized loan obligations |  |
Assets: |  |
Securities available-for-sale | 101,637 | 92,251
Recurring | Level 3 |  |
Assets: |  |
Mortgage servicing rights | 6,489 | 5,847
Total financial assets | 31,834 | 5,958
Recurring | Level 3 | States and political subdivisions |  |
Assets: |  |
Securities available-for-sale | 22,226 | $ 111
Recurring | Level 3 | Collateralized mortgage obligations |  |
Assets: |  |
Securities available-for-sale | $ 3,119 |

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