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Leasing Leasing (Tables) | 3 Months Ended
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Mar. 31, 2019
Leases [Abstract] |
Lease, Cost [Table Text Block] | The following represents a summary of operating lease activities (dollars in thousands):
|  | March 31, 2019
Operating lease cost recognized as occupancy and equipment expense |  | $ | 6,419 |
Operating cash flows from operating leases |  | 5,914 |
Weighted-average remaining lease term |  | 10.1 years |
Weighted-average discount rate operating leases |  | 3.50 | %

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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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Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Period Type: | duration