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Commitments and Contingent Liabilities Variable Interest Entities (Details) - USD ($) $ in Thousands | Sep. 30, 2018 | Dec. 31, 2017 | Sep. 30, 2017
--- | --- | --- | ---
Loans Receivable [Member] |  |  |
Variable Interest Entity [Line Items] |  |  |
Variable Interest Entity, Consolidated, Carrying Amount, Assets and Liabilities, Net | $ 0 | $ 10,000 | $ 10,000
Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets and Liabilities, Net | 62,188 | 52,852 | 65,247
Loans Receivable [Member] | Private equity funds [Member] |  |  |
Variable Interest Entity [Line Items] |  |  |
Variable Interest Entity, Consolidated, Carrying Amount, Assets and Liabilities, Net | 0 | 0 | 0
Loans Receivable [Member] | Tax credit entities [Member] |  |  |
Variable Interest Entity [Line Items] |  |  |
Variable Interest Entity, Consolidated, Carrying Amount, Assets and Liabilities, Net | 0 | 10,000 | 10,000
Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets and Liabilities, Net | 62,188 | 52,852 | 65,247
Loans Receivable [Member] | Other [Member] |  |  |
Variable Interest Entity [Line Items] |  |  |
Variable Interest Entity, Consolidated, Carrying Amount, Assets and Liabilities, Net | 0 | 0 | 0
Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets and Liabilities, Net | 0 | 0 | 0
Other Assets [Member] |  |  |
Variable Interest Entity [Line Items] |  |  |
Variable Interest Entity, Consolidated, Carrying Amount, Assets and Liabilities, Net | 28,680 | 26,787 | 42,358
Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets and Liabilities, Net | 206,335 | 191,903 | 177,941
Other Assets [Member] | Private equity funds [Member] |  |  |
Variable Interest Entity [Line Items] |  |  |
Variable Interest Entity, Consolidated, Carrying Amount, Assets and Liabilities, Net | 11,535 | 14,783 | 15,621
Other Assets [Member] | Tax credit entities [Member] |  |  |
Variable Interest Entity [Line Items] |  |  |
Variable Interest Entity, Consolidated, Carrying Amount, Assets and Liabilities, Net | 0 | 10,964 | 11,119
Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets and Liabilities, Net | 158,429 | 153,506 | 145,479
Other Assets [Member] | Other [Member] |  |  |
Variable Interest Entity [Line Items] |  |  |
Variable Interest Entity, Consolidated, Carrying Amount, Assets and Liabilities, Net | 17,145 | 1,040 | 15,618
Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets and Liabilities, Net | 47,906 | 38,397 | 32,462
Other Liabilities [Member] |  |  |
Variable Interest Entity [Line Items] |  |  |
Variable Interest Entity, Consolidated, Carrying Amount, Assets and Liabilities, Net | 1,358 | 0 | 1,588
Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets and Liabilities, Net | 70,660 | 70,827 | 75,021
Other Liabilities [Member] | Private equity funds [Member] |  |  |
Variable Interest Entity [Line Items] |  |  |
Variable Interest Entity, Consolidated, Carrying Amount, Assets and Liabilities, Net | 0 | 0 | 0
Other Liabilities [Member] | Tax credit entities [Member] |  |  |
Variable Interest Entity [Line Items] |  |  |
Variable Interest Entity, Consolidated, Carrying Amount, Assets and Liabilities, Net | 0 | 0 | 0
Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets and Liabilities, Net | 54,460 | 47,859 | 61,364
Other Liabilities [Member] | Other [Member] |  |  |
Variable Interest Entity [Line Items] |  |  |
Variable Interest Entity, Consolidated, Carrying Amount, Assets and Liabilities, Net | 1,358 | 0 | 1,588
Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets and Liabilities, Net | 16,200 | 22,968 | 13,657
Other borrowings [Member] |  |  |
Variable Interest Entity [Line Items] |  |  |
Variable Interest Entity, Consolidated, Carrying Amount, Assets and Liabilities, Net | 0 | 10,964 | 14,067
Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets and Liabilities, Net | 0 | 0 | 0
Other borrowings [Member] | Private equity funds [Member] |  |  |
Variable Interest Entity [Line Items] |  |  |
Variable Interest Entity, Consolidated, Carrying Amount, Assets and Liabilities, Net | 0 | 0 | 0
Other borrowings [Member] | Tax credit entities [Member] |  |  |
Variable Interest Entity [Line Items] |  |  |
Variable Interest Entity, Consolidated, Carrying Amount, Assets and Liabilities, Net | 0 | 10,964 | 10,963
Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets and Liabilities, Net | 0 | 0 | 0
Other borrowings [Member] | Other [Member] |  |  |
Variable Interest Entity [Line Items] |  |  |
Variable Interest Entity, Consolidated, Carrying Amount, Assets and Liabilities, Net | 0 | 0 | 3,104
Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets and Liabilities, Net | 0 | 0 | 0
Non-Controlling Interests [Member] |  |  |
Variable Interest Entity [Line Items] |  |  |
Variable Interest Entity, Consolidated, Carrying Amount, Assets and Liabilities, Net | 10,728 | 22,967 | 25,625
Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets and Liabilities, Net | 0 | 0 | 0
Non-Controlling Interests [Member] | Private equity funds [Member] |  |  |
Variable Interest Entity [Line Items] |  |  |
Variable Interest Entity, Consolidated, Carrying Amount, Assets and Liabilities, Net | 8,693 | 11,927 | 12,806
Non-Controlling Interests [Member] | Tax credit entities [Member] |  |  |
Variable Interest Entity [Line Items] |  |  |
Variable Interest Entity, Consolidated, Carrying Amount, Assets and Liabilities, Net | 0 | 10,000 | 10,000
Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets and Liabilities, Net | 0 | 0 | 0
Non-Controlling Interests [Member] | Other [Member] |  |  |
Variable Interest Entity [Line Items] |  |  |
Variable Interest Entity, Consolidated, Carrying Amount, Assets and Liabilities, Net | 2,035 | 1,040 | 2,819
Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets and Liabilities, Net | $ 0 | $ 0 | $ 0

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- Definition The net carrying amount of the consolidated Variable Interest Entity's assets and liabilities included in the reporting entity's statement of financial position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (bb) -URI http://asc.fasb.org/extlink&oid=108788376&loc=d3e5710-111685 + Details
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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 Net carrying amount of the assets and liabilities in the reporting entity's statement of financial position that relate to the reporting entity's variable interest in the Variable Interest Entity (VIE), when the reporting entity is not the VIE's primary beneficiary. + References No definition available. + Details
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