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Leases Schedule of Lease Expense (Tables) | 6 Months Ended
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Jun. 30, 2019
Leases [Abstract] |
Lease, Cost [Table Text Block] | For the three and six months ended June 30, 2019, the Company had the following:
| Three Months Ended | Six Months Ended
(Dollars in thousands) | June 30, 2019 | June 30, 2019
Operating lease expense | $ | 1,547 |  | $ | 3,092 |
Variable lease expense | 473 |  | 878 |
Short-term lease expense | 459 |  | 877 |
Total lease expense | $ | 2,479 |  | $ | 4,847 |
|  | As of June 30, 2019
Weighted-average remaining lease term |  | 4.2 years |
Weighted-average discount rate |  | 5.0 | %

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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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- References No definition available. + Details
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