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Variable Interest Entities (Narrative) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017 | Nov. 30, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |  |  |
Expense from affordable housing projects, equity method investments | $ 900 | $ 500 | $ 1,900 | $ 1,100 |
Capital Bank Financial Corp |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Term borrowings | $ 187,169 |  | $ 187,169 |  |
Junior Subordinated Debt | Capital Bank Financial Corp |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Term borrowings |  |  |  |  | $ 212,400

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- Definition Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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- Definition Amount of investment income (loss) of qualified affordable housing project investments accounted for using the equity method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 740 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=64813897&loc=SL49122993-202985 + Details
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