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Loans Receivable and Allowance for Credit Losses (Details 7) - Non-PCI Loans - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016
Financing Receivable, Modifications [Line Items] |  |  |  |
Post-modification outstanding recorded investment | $ 15,099 | $ 475 | $ 34,064 | $ 34,503
Principal |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Post-modification outstanding recorded investment | 15,075 | 444 | 23,557 | 30,633
Principal and Interest |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Post-modification outstanding recorded investment | 24 | 0 | 10,507 | 0
Interest Rate Reduction |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Post-modification outstanding recorded investment | 0 | 0 | 0 | 2,087
Interest Deferments |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Post-modification outstanding recorded investment | 0 | 31 | 0 | 32
Other |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Post-modification outstanding recorded investment | 0 | 0 | 0 | 1,751
CRE |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Post-modification outstanding recorded investment | 172 |  | 1,648 | 20,963
CRE | Principal |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Post-modification outstanding recorded investment | 172 |  | 1,648 | 19,812
CRE | Principal and Interest |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Post-modification outstanding recorded investment | 0 |  | 0 | 0
CRE | Interest Rate Reduction |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Post-modification outstanding recorded investment | 0 |  | 0 | 0
CRE | Interest Deferments |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Post-modification outstanding recorded investment | 0 |  | 0 | 0
CRE | Other |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Post-modification outstanding recorded investment | 0 |  | 0 | 1,151
C&I |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Post-modification outstanding recorded investment | 14,927 | 475 | 28,796 | 12,138
C&I | Principal |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Post-modification outstanding recorded investment | 14,903 | 444 | 18,289 | 10,218
C&I | Principal and Interest |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Post-modification outstanding recorded investment | 24 | 0 | 10,507 | 0
C&I | Interest Rate Reduction |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Post-modification outstanding recorded investment | 0 | 0 | 0 | 1,288
C&I | Interest Deferments |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Post-modification outstanding recorded investment | 0 | 31 | 0 | 32
C&I | Other |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Post-modification outstanding recorded investment | $ 0 | $ 0 | 0 | 600
Residential |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Post-modification outstanding recorded investment |  |  | 3,620 | 1,065
Residential | Principal |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Post-modification outstanding recorded investment |  |  | 3,620 | 266
Residential | Principal and Interest |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Post-modification outstanding recorded investment |  |  | 0 | 0
Residential | Interest Rate Reduction |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Post-modification outstanding recorded investment |  |  | 0 | 799
Residential | Interest Deferments |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Post-modification outstanding recorded investment |  |  | 0 | 0
Residential | Other |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Post-modification outstanding recorded investment |  |  | 0 | 0
Consumer |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Post-modification outstanding recorded investment |  |  | $ 0 | 337
Consumer | Principal |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Post-modification outstanding recorded investment |  |  |  | 337
Consumer | Principal and Interest |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Post-modification outstanding recorded investment |  |  |  | 0
Consumer | Interest Rate Reduction |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Post-modification outstanding recorded investment |  |  |  | 0
Consumer | Interest Deferments |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Post-modification outstanding recorded investment |  |  |  | 0
Consumer | Other |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Post-modification outstanding recorded investment |  |  |  | $ 0

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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=66008989&loc=SL6953676-111524 + Details
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