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Acquisitions and Divestitures (Merger and Integration Expenses) (Details) - Capital Bank Financial Corp - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2018
Business Acquisition [Line Items] |  |
Merger and integration expense | $ 41,802 | $ 71,862
Professional fees |  |
Business Acquisition [Line Items] |  |
Merger and integration expense | 8,989 | 14,621
Employee compensation, incentives and benefits |  |
Business Acquisition [Line Items] |  |
Merger and integration expense | 2,548 | 6,494
Contract employment and outsourcing |  |
Business Acquisition [Line Items] |  |
Merger and integration expense | 1,704 | 3,103
Occupancy |  |
Business Acquisition [Line Items] |  |
Merger and integration expense | 2,214 | 2,221
Miscellaneous expense |  |
Business Acquisition [Line Items] |  |
Merger and integration expense | 3,103 | 5,138
All other expense |  |
Business Acquisition [Line Items] |  |
Merger and integration expense | $ 23,244 | $ 40,285

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- Definition Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs. + References No definition available. + Details
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