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Lease Commitments | 12 Months Ended
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Dec. 31, 2017
Leases, Operating [Abstract] |
Lease Commitments | Lease Commitments The Company leases office facilities, equipment and vehicles under operating leases expiring on various dates through 2025. Certain office leases contain renewal options. The following is a schedule by calendar year of future minimum lease payments under operating leases that have remaining terms as of December 31, 2017:
Period/Year |  | Operating Leases
|  | (in thousands)
2018 |  | $ | 2,482 |
2019 |  | 1,968 |
2020 |  | 1,489 |
2021 |  | 734 |
2022 |  | 735 |
Thereafter |  | 1,710 |
Total minimum lease payments |  | $ | 9,118 |
Total expense for all operating leases for the years ended December 31, 2017, 2016 and 2015 was as follows:
| Year Ended December 31,
| 2017 |  | 2016 |  | 2015
| (in thousands)
Operating lease expense | $ | 3,833 |  |  | $ | 2,615 |  |  | $ | 2,003 |

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- Definition The entire disclosure for lessee entity's leasing arrangements including, but not limited to, all of the following: (a.) The basis on which contingent rental payments are determined, (b.) The existence and terms of renewal or purchase options and escalation clauses, (c.) Restrictions imposed by lease agreements, such as those concerning dividends, additional debt, and further leasing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=77888251 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -URI http://asc.fasb.org/topic&trid=2208923 + Details
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- References No definition available. + Details
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