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Financed Lease Receivables (Tables) | 12 Months Ended
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Dec. 31, 2017
Leases [Abstract] |
Minimum Lease Payments Receivable and Net Investment Included in Accounts Receivable for Leases | The minimum lease payments receivable and the net investment included in accounts receivable for such leases are as follows:
(in thousands) |  | December 31, |
|  | 2017 |  |  | 2016 |
Gross minimum lease payments receivable |  | $ | 2,150 |  |  | $ | 3,252 |
Less – unearned interest |  |  | (201 | ) |  |  | (301 | )
Net investment in sales type lease receivables |  | $ | 1,949 |  |  | $ | 2,951 |
Future Minimum Lease Payments under Non-Cancelable Sales-Type Leases | As of December 31, 2017, the future minimum lease payments under non-cancelable sales-type leases to be received in 2018 and thereafter are as follows:
(in thousands) |  |  |  |
Year Ended December 31, |  |  |  |
2018 |  | $ | 1,354 |
2019 |  |  | 633 |
2020 |  |  | 163 |
Total minimum future lease payments |  | $ | 2,150 |

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