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Commitments and Contingent Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2016
Commitments and Contingencies Disclosure [Abstract] |
Schedule of maximum potential obligations to extend credit for loan commitments | The Company’s maximum potential obligations to extend credit for loan commitments (unfunded loans, unused lines of credit, and standby letters of credit) outstanding on December 31 were as follows:
(in thousands) | 2016 |  | 2015
Loan commitments | $ | 125,472 |  |  | $ | 200,316 |
Standby letters of credit | 57,723 |  |  | 58,639 |
Undisbursed portion of lines of credit | 773,893 |  |  | 719,234 |
Total | $ | 957,088 |  |  | $ | 978,189 |

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