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Financial Instruments with Off-Balance Sheet Risk (Tables) | 12 Months Ended
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Dec. 31, 2017
Fair Value Disclosures [Abstract] |
Schedule of Contractual Amount, Off-Balance Sheet Risks | The contractual amount of undrawn loan commitments and standby letters of credit not reflected on the consolidated statements of condition are as follows:
(in thousands) | December 31, 2017 |  | December 31, 2016 |
Commercial lines of credit | $ | 224,370 |  | $ | 216,774 |
Revolving home equity lines | 177,678 |  | 148,143 |
Undisbursed construction loans | 35,322 |  | 44,798 |
Personal and other lines of credit | 11,758 |  | 10,635 |
Standby letters of credit | 4,074 |  | 1,939 |
Total commitments and standby letters of credit | $ | 453,202 |  | $ | 422,289 |

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