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Loans Receivable, Net - Summary of Loans Individually Evaluated for Impairment by Loan Portfolio Segment Excluding PCI Loans (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2019 | Sep. 30, 2019 | Dec. 31, 2019
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment |  |  | $ 26,500
With no related allowance recorded |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance |  |  | 25,735
Recorded Investment |  |  | 24,313
Allowance for Credit Losses Allocated |  |  | 0
Average Recorded Investment | $ 28,313 | $ 28,807 |
Interest Income Recognized | 291 | 649 |
With an allowance recorded |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance |  |  | 2,378
Recorded Investment |  |  | 2,197
Allowance for Credit Losses Allocated |  |  | 476
Average Recorded Investment | 3,197 | 2,131 |
Interest Income Recognized | 0 | 36 |
Commercial and industrial | With no related allowance recorded |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance |  |  | 265
Recorded Investment |  |  | 243
Allowance for Credit Losses Allocated |  |  | 0
Average Recorded Investment | 249 | 708 |
Interest Income Recognized | 1 | 4 |
Commercial and industrial | With an allowance recorded |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance |  |  | 0
Recorded Investment |  |  | 0
Allowance for Credit Losses Allocated |  |  | 0
Average Recorded Investment | 0 | 0 |
Interest Income Recognized | 0 | 0 |
Commercial real estate – owner occupied | With no related allowance recorded |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance |  |  | 4,062
Recorded Investment |  |  | 3,968
Allowance for Credit Losses Allocated |  |  | 0
Average Recorded Investment | 3,808 | 4,337 |
Interest Income Recognized | 80 | 122 |
Commercial real estate – owner occupied | With an allowance recorded |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance |  |  | 2,376
Recorded Investment |  |  | 2,195
Allowance for Credit Losses Allocated |  |  | 474
Average Recorded Investment | 3,197 | 0 |
Interest Income Recognized | 0 | 0 |
Commercial real estate – investor | With no related allowance recorded |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance |  |  | 6,665
Recorded Investment |  |  | 5,584
Allowance for Credit Losses Allocated |  |  | 0
Average Recorded Investment | 10,882 | 10,501 |
Interest Income Recognized | 22 | 158 |
Commercial real estate – investor | With an allowance recorded |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance |  |  | 0
Recorded Investment |  |  | 0
Allowance for Credit Losses Allocated |  |  | 0
Average Recorded Investment | 0 | 2,131 |
Interest Income Recognized | 0 | 36 |
Residential real estate | With no related allowance recorded |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance |  |  | 11,009
Recorded Investment |  |  | 11,009
Allowance for Credit Losses Allocated |  |  | 0
Average Recorded Investment | 10,104 | 10,090 |
Interest Income Recognized | 140 | 271 |
Residential real estate | With an allowance recorded |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance |  |  | 0
Recorded Investment |  |  | 0
Allowance for Credit Losses Allocated |  |  | 0
Average Recorded Investment | 0 | 0 |
Interest Income Recognized | 0 | 0 |
Consumer | With no related allowance recorded |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance |  |  | 3,734
Recorded Investment |  |  | 3,509
Allowance for Credit Losses Allocated |  |  | 0
Average Recorded Investment | 3,270 | 3,171 |
Interest Income Recognized | 48 | 94 |
Consumer | With an allowance recorded |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance |  |  | 2
Recorded Investment |  |  | 2
Allowance for Credit Losses Allocated |  |  | $ 2
Average Recorded Investment | 0 | 0 |
Interest Income Recognized | $ 0 | $ 0 |

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