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Operating Leases Schedule of Lease Expense (Tables) | 12 Months Ended
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Dec. 31, 2019
Leases [Abstract] |
Lease, Cost [Table Text Block] | For the twelve months ended December 31, 2019, the Company had the following operating lease expense components:
(Dollars in thousands) |
Operating lease expense | $ | 6,188 |
Variable lease expense | 1,629 |
Short-term lease expense | 1,725 |
Total lease expense | $ | 9,542 |

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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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