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Summary of Nonaccrual Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
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Financing Receivable Impaired [Line Items] |  |
TDRs on nonaccrual status | $ 5,199 | $ 5,225
Financing Receivable, Recorded Investment, Nonaccrual Status | 57,405 | 27,690
Commercial and Industrial [Member] |  |
Financing Receivable Impaired [Line Items] |  |
Financing Receivable, Recorded Investment, Nonaccrual Status | 37,455 | 3,699
Commercial Real Estate [Member] |  |
Financing Receivable Impaired [Line Items] |  |
Financing Receivable, Recorded Investment, Nonaccrual Status | 6,266 | 7,856
Construction Loans [Member] |  |
Financing Receivable Impaired [Line Items] |  |
Financing Receivable, Recorded Investment, Nonaccrual Status | 0 | 304
Small Business [Member] |  |
Financing Receivable Impaired [Line Items] |  |
Financing Receivable, Recorded Investment, Nonaccrual Status | 302 | 239
Residential Real Estate [Member] |  |
Financing Receivable Impaired [Line Items] |  |
Financing Receivable, Recorded Investment, Nonaccrual Status | 7,782 | 8,795
Home Equity [Member] |  |
Financing Receivable Impaired [Line Items] |  |
Financing Receivable, Recorded Investment, Nonaccrual Status | 5,553 | 6,742
Consumer Portfolio Segment [Member] |  |
Financing Receivable Impaired [Line Items] |  |
Financing Receivable, Recorded Investment, Nonaccrual Status | $ 47 | $ 55

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- Definition Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Recorded Investment -URI http://asc.fasb.org/extlink&oid=65880944 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5111-111524 + Details
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