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Commitments and Contingencies (Tables) | 3 Months Ended
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Mar. 31, 2018
Commitments and Contingencies Disclosure [Abstract] |
Schedule of Undrawn Loan Commitments and Standby Letters of Credit | 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) | March 31, 2018 |  | December 31, 2017 |
Commercial lines of credit | $ | 226,816 |  | $ | 224,370 |
Revolving home equity lines | 187,405 |  | 177,678 |
Undisbursed construction loans | 24,315 |  | 35,322 |
Personal and other lines of credit | 12,769 |  | 11,758 |
Standby letters of credit | 2,539 |  | 4,074 |
Total commitments and standby letters of credit | $ | 453,844 |  | $ | 453,202 |
Schedule of Future Minimum Rental Payments for Operating Leases | At March 31, 2018, the approximate minimum future commitments payable under non-cancelable contracts for leased premises are as follows:
(in thousands) | 2018 |  | 2019 |  | 2020 |  | 2021 |  | 2022 |  | Thereafter |  | Total |
Operating leases 1 | $ | 3,330 |  | $ | 4,198 |  | $ | 3,758 |  | $ | 2,138 |  | $ | 1,330 |  | $ | 2,904 |  | $ | 17,658 |
1 Minimum payments have not been reduced by minimum sublease rentals of $25 thousand due in the future under non-cancelable subleases.

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- Definition Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717 + Details
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