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Leases | 12 Months Ended
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Dec. 31, 2017
Leases [Abstract] |
Leases | Leases We lease certain office space as well as data processing equipment and autos under operating leases that expire during the next five years. Generally, rental payments are fixed. Table 16.1 shows minimum the future operating lease payments as of December 31, 2017.
| Table | 16.1 |  |
Minimum future operating lease payments | (in thousands) |  | Amount
2018 |  | $ | 808 |
2019 |  | 823 |
| 2020 |  | 583 |
| 2021 |  | 48 |
| 2022 and thereafter |  | — |
| Total |  | $ | 2,262 |
Total rental expense under operating leases was $2.0 million in 2017, $2.1 million in 2016, and $2.2 million in 2015.

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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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