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Loans and Leases Receivable and Allowance for Loan and Lease Losses - Summary of Recorded Investment Net Charge-Offs, Unpaid Principal Balance and Related Allowance for Impaired Loans (Detail) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2019 | Mar. 31, 2018 | Dec. 31, 2018
Recorded Investment Net of Charge-Offs |  |  |
Recorded Investment Net of Charge Offs, Total | $ 39,359 |  | $ 39,118
Unpaid Principal Balance |  |  |
Unpaid Principal Balance, Total | 42,815 |  | 42,031
Related Allowance | 380 |  | 845
Average Recorded Investment |  |  |
Average Recorded Investment, Total | 39,239 | $ 36,448 |
Interest Income Recognized |  |  |
Interest Income Recognized, Total | 206 | 158 |
Multi-family |  |  |
Recorded Investment Net of Charge-Offs |  |  |
Recorded Investment Net of Charge Offs, With no related allowance recorded | 1,997 |  |
Recorded Investment Net of Charge Offs, With an allowance recorded | 0 |  | 1,155
Unpaid Principal Balance |  |  |
Unpaid Principal Balance, With no related allowance recorded | 2,538 |  |
Unpaid Principal Balance, With an allowance recorded | 0 |  | 1,155
Related Allowance | 0 |  | 539
Average Recorded Investment |  |  |
Average Recorded Investment, With no related allowance recorded | 998 |  |
Average Recorded Investment, With an allowance recorded | 578 | 0 |
Interest Income Recognized |  |  |
Interest Income Recognized, With no related allowance recorded | 0 |  |
Interest Income Recognized, With an allowance recorded | 0 | 0 |
Commercial and industrial |  |  |
Recorded Investment Net of Charge-Offs |  |  |
Recorded Investment Net of Charge Offs, With no related allowance recorded | 11,185 |  | 13,660
Recorded Investment Net of Charge Offs, With an allowance recorded | 6,226 |  | 4,168
Unpaid Principal Balance |  |  |
Unpaid Principal Balance, With no related allowance recorded | 12,749 |  | 15,263
Unpaid Principal Balance, With an allowance recorded | 6,409 |  | 4,351
Related Allowance | 263 |  | 261
Average Recorded Investment |  |  |
Average Recorded Investment, With no related allowance recorded | 12,422 | 7,484 |
Average Recorded Investment, With an allowance recorded | 5,197 | 8,390 |
Interest Income Recognized |  |  |
Interest Income Recognized, With no related allowance recorded | 2 | 0 |
Interest Income Recognized, With an allowance recorded | 39 | 1 |
Commercial real estate owner occupied |  |  |
Recorded Investment Net of Charge-Offs |  |  |
Recorded Investment Net of Charge Offs, With no related allowance recorded | 556 |  | 1,037
Recorded Investment Net of Charge Offs, With an allowance recorded | 311 |  | 32
Unpaid Principal Balance |  |  |
Unpaid Principal Balance, With no related allowance recorded | 1,103 |  | 1,766
Unpaid Principal Balance, With an allowance recorded | 498 |  | 32
Related Allowance | 36 |  | 1
Average Recorded Investment |  |  |
Average Recorded Investment, With no related allowance recorded | 796 | 710 |
Average Recorded Investment, With an allowance recorded | 172 | 756 |
Interest Income Recognized |  |  |
Interest Income Recognized, With no related allowance recorded | 21 | 0 |
Interest Income Recognized, With an allowance recorded | 1 | 1 |
Commercial real estate non-owner occupied |  |  |
Recorded Investment Net of Charge-Offs |  |  |
Recorded Investment Net of Charge Offs, With no related allowance recorded | 102 |  | 129
Unpaid Principal Balance |  |  |
Unpaid Principal Balance, With no related allowance recorded | 214 |  | 241
Average Recorded Investment |  |  |
Average Recorded Investment, With no related allowance recorded | 115 | 201 |
Interest Income Recognized |  |  |
Interest Income Recognized, With no related allowance recorded | 0 | 0 |
Residential real estate |  |  |
Recorded Investment Net of Charge-Offs |  |  |
Recorded Investment Net of Charge Offs, With no related allowance recorded | 4,722 |  | 4,842
Recorded Investment Net of Charge Offs, With an allowance recorded | 3,845 |  | 3,789
Unpaid Principal Balance |  |  |
Unpaid Principal Balance, With no related allowance recorded | 5,044 |  | 5,128
Unpaid Principal Balance, With an allowance recorded | 3,845 |  | 3,789
Related Allowance | 78 |  | 41
Average Recorded Investment |  |  |
Average Recorded Investment, With no related allowance recorded | 4,782 | 3,623 |
Average Recorded Investment, With an allowance recorded | 3,817 | 5,122 |
Interest Income Recognized |  |  |
Interest Income Recognized, With no related allowance recorded | 0 | 0 |
Interest Income Recognized, With an allowance recorded | 26 | 25 |
Manufactured housing |  |  |
Recorded Investment Net of Charge-Offs |  |  |
Recorded Investment Net of Charge Offs, With no related allowance recorded | 10,140 |  | 10,027
Recorded Investment Net of Charge Offs, With an allowance recorded | 167 |  | 168
Unpaid Principal Balance |  |  |
Unpaid Principal Balance, With no related allowance recorded | 10,140 |  | 10,027
Unpaid Principal Balance, With an allowance recorded | 167 |  | 168
Related Allowance | 3 |  | 3
Average Recorded Investment |  |  |
Average Recorded Investment, With no related allowance recorded | 10,084 | 9,876 |
Average Recorded Investment, With an allowance recorded | 168 | 223 |
Interest Income Recognized |  |  |
Interest Income Recognized, With no related allowance recorded | 115 | 131 |
Interest Income Recognized, With an allowance recorded | 2 | 0 |
Other |  |  |
Recorded Investment Net of Charge-Offs |  |  |
Recorded Investment Net of Charge Offs, With no related allowance recorded | 108 |  | 111
Unpaid Principal Balance |  |  |
Unpaid Principal Balance, With no related allowance recorded | 108 |  | $ 111
Average Recorded Investment |  |  |
Average Recorded Investment, With no related allowance recorded | 110 | 63 |
Interest Income Recognized |  |  |
Interest Income Recognized, With no related allowance recorded | $ 0 | $ 0 |

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