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Loans and Leases Receivable and Allowance for Loan and Lease Losses - Schedule of Accruing and Nonaccrual TDRs (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018 | Dec. 31, 2018
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | $ 47 | $ 663 | $ 946 | $ 985 |
Commercial and industrial (including owner occupied commercial real estate) |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 0 | 0 | 431 | 0 |
Residential real estate |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 0 | 200 | 83 | 200 |
Manufactured housing |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 47 | 450 | 432 | 772 |
Other consumer |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | $ 0 | $ 13 | 0 | $ 13 |
Accruing TDRs |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment |  |  | 16,808 |  | $ 11,624
Accruing TDRs | Commercial and industrial (including owner occupied commercial real estate) |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment |  |  | 5,205 |  | 64
Accruing TDRs | Commercial real estate owner occupied |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment |  |  | 23 |  | 32
Accruing TDRs | Residential real estate |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment |  |  | 3,024 |  | 3,026
Accruing TDRs | Manufactured housing |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment |  |  | 8,556 |  | 8,502
Accruing TDRs | Other consumer |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment |  |  | 0 |  | 0
Nonaccrual TDRs |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment |  |  | 2,190 |  | 7,572
Nonaccrual TDRs | Commercial and industrial (including owner occupied commercial real estate) |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment |  |  | 35 |  | 5,273
Nonaccrual TDRs | Commercial real estate owner occupied |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment |  |  | 0 |  | 0
Nonaccrual TDRs | Residential real estate |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment |  |  | 646 |  | 667
Nonaccrual TDRs | Manufactured housing |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment |  |  | 1,498 |  | 1,620
Nonaccrual TDRs | Other consumer |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment |  |  | 11 |  | 12
Total |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment |  |  | 18,998 |  | 19,196
Total | Commercial and industrial (including owner occupied commercial real estate) |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment |  |  | 5,240 |  | 5,337
Total | Commercial real estate owner occupied |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment |  |  | 23 |  | 32
Total | Residential real estate |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment |  |  | 3,670 |  | 3,693
Total | Manufactured housing |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment |  |  | 10,054 |  | 10,122
Total | Other consumer |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment |  |  | $ 11 |  | $ 12

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- Definition Amount, after troubled debt restructuring, of modified financing receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524 + Details
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