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Loans Loans (Restructured Loans Past Due in Excess of 90 Days) (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 USD ($) Item | Dec. 31, 2016 USD ($) Item | Dec. 31, 2015 USD ($) Item
Financing Receivable, Modifications [Line Items] |  |  |
Number Of Loans Restructured During The Last Year In Excess of 90 Days Past Due | Item | 1 | 2 | 1
Dollar amount of loans previously restructured during the last year in excess of 90 days past due | $ 43,137 | $ 3,230 | $ 259
Restructured loans on non-accrual status at period end | 58,484 | 44,863 | 536
Chare-offs of restrucured loans recognized in connection with restructuring | 0 | 4,115 | 88
Charge-offs of restructured loans recognized on previously restructured loans | 9,951 | 9,490 | 0
Proceeds from sale of restructured loans | 0 | 30,470 | 0
Non Accrual Loans [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Restructured loans on non-accrual status at period end | $ 53,622 | $ 44,863 | $ 536

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- Definition Number Of Loans Restructured During The Last Year In Excess of 90 Days Past Due + References No definition available. + Details
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- Definition Previously Restructured Loans Past Due + References No definition available. + Details
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- Definition Post-modification amount of investment in financing receivables modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524 + Details
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- Definition Reflects the amount of the write-down related to a troubled debt restructuring. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=82895541&loc=d3e18845-111554 + Details
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- Definition The cash inflow associated with the sale of loans receivables arising from the financing of goods and services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585 + Details
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- Details
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