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Revenue from Contracts with Customers (Tables) | 6 Months Ended
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Jun. 30, 2018
Disaggregation of Revenue [Line Items] |
Disaggregation of Revenue [Table Text Block] | Disaggregation of revenue The following table shows the disaggregation of revenue from contracts with customers for the three and six month periods ended June 30, 2018:
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2018 |  | 2018
|  | (dollars in thousands)
Noninterest income: |  |  |  |
Revenue from contracts with customers: |  |  |  |
Deposit account and treasury management fees |  | $ | 8,683 |  |  | $ | 17,423 |
Card revenue |  | 6,616 |  |  | 12,429 |
Financial services and trust revenue |  | 3,219 |  |  | 5,949 |
Total revenue from contracts with customers |  | 18,518 |  |  | 35,801 |
Other sources of noninterest income |  | 5,174 |  |  | 11,034 |
Total noninterest income |  | $ | 23,692 |  |  | $ | 46,835 |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045 + Details
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