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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 | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018 | Dec. 31, 2018
Recorded investment net of charge-offs |  |  |  |  |
Recorded Investment Net of Charge Offs, Total | $ 30,241 |  | $ 30,241 |  | $ 39,118
Unpaid principal balance |  |  |  |  |
Unpaid Principal Balance, Total | 33,564 |  | 33,564 |  | 42,031
Related Allowance | 303 |  | 303 |  | 845
Average recorded investment |  |  |  |  |
Average Recorded Investment, Total | 34,800 | $ 36,045 | 36,239 | $ 36,841 |
Interest income recognized |  |  |  |  |
Interest Income Recognized, Total | 296 | 222 | 502 | 380 |
Multi-family |  |  |  |  |
Recorded investment net of charge-offs |  |  |  |  |
Recorded Investment Net of Charge Offs, With no related allowance recorded | 0 |  | 0 |  | 0
Recorded Investment Net of Charge Offs, With an allowance recorded | 0 |  | 0 |  | 1,155
Unpaid principal balance |  |  |  |  |
Unpaid Principal Balance, With no related allowance recorded | 534 |  | 534 |  | 0
Unpaid Principal Balance, With an allowance recorded | 0 |  | 0 |  | 1,155
Related Allowance | 0 |  | 0 |  | 539
Average recorded investment |  |  |  |  |
Average Recorded Investment, With no related allowance recorded | 998 | 672 | 665 | 448 |
Average Recorded Investment, With an allowance recorded | 0 | 0 | 385 | 0 |
Interest income recognized |  |  |  |  |
Interest Income Recognized, With no related allowance recorded | 0 | 8 | 0 | 8 |
Interest Income Recognized, With an allowance recorded | 0 | 0 | 0 | 0 |
Commercial and industrial |  |  |  |  |
Recorded investment net of charge-offs |  |  |  |  |
Recorded Investment Net of Charge Offs, With no related allowance recorded | 4,663 |  | 4,663 |  | 13,660
Recorded Investment Net of Charge Offs, With an allowance recorded | 5,942 |  | 5,942 |  | 4,168
Unpaid principal balance |  |  |  |  |
Unpaid Principal Balance, With no related allowance recorded | 6,144 |  | 6,144 |  | 15,263
Unpaid Principal Balance, With an allowance recorded | 6,048 |  | 6,048 |  | 4,351
Related Allowance | 225 |  | 225 |  | 261
Average recorded investment |  |  |  |  |
Average Recorded Investment, With no related allowance recorded | 7,923 | 5,736 | 9,836 | 6,870 |
Average Recorded Investment, With an allowance recorded | 6,084 | 8,283 | 5,445 | 8,296 |
Interest income recognized |  |  |  |  |
Interest Income Recognized, With no related allowance recorded | 16 | 2 | 18 | 2 |
Interest Income Recognized, With an allowance recorded | 58 | 11 | 97 | 12 |
Commercial real estate owner occupied |  |  |  |  |
Recorded investment net of charge-offs |  |  |  |  |
Recorded Investment Net of Charge Offs, With no related allowance recorded | 784 |  | 784 |  | 1,037
Recorded Investment Net of Charge Offs, With an allowance recorded | 166 |  | 166 |  | 32
Unpaid principal balance |  |  |  |  |
Unpaid Principal Balance, With no related allowance recorded | 1,555 |  | 1,555 |  | 1,766
Unpaid Principal Balance, With an allowance recorded | 166 |  | 166 |  | 32
Related Allowance | 31 |  | 31 |  | 1
Average recorded investment |  |  |  |  |
Average Recorded Investment, With no related allowance recorded | 669 | 664 | 792 | 713 |
Average Recorded Investment, With an allowance recorded | 239 | 455 | 170 | 517 |
Interest income recognized |  |  |  |  |
Interest Income Recognized, With no related allowance recorded | 0 | 0 | 21 | 0 |
Interest Income Recognized, With an allowance recorded | 0 | 1 | 1 | 2 |
Commercial real estate non-owner occupied |  |  |  |  |
Recorded investment net of charge-offs |  |  |  |  |
Recorded Investment Net of Charge Offs, With no related allowance recorded | 94 |  | 94 |  | 129
Recorded Investment Net of Charge Offs, With an allowance recorded | 0 |  | 0 |  |
Unpaid principal balance |  |  |  |  |
Unpaid Principal Balance, With no related allowance recorded | 206 |  | 206 |  | 241
Unpaid Principal Balance, With an allowance recorded | 0 |  | 0 |  |
Related Allowance | 0 |  | 0 |  |
Average recorded investment |  |  |  |  |
Average Recorded Investment, With no related allowance recorded | 98 | 1,390 | 108 | 980 |
Average Recorded Investment, With an allowance recorded | 0 |  | 0 |  |
Interest income recognized |  |  |  |  |
Interest Income Recognized, With no related allowance recorded | 0 | 8 | 0 | 8 |
Interest Income Recognized, With an allowance recorded | 0 |  | 0 |  |
Residential real estate |  |  |  |  |
Recorded investment net of charge-offs |  |  |  |  |
Recorded Investment Net of Charge Offs, With no related allowance recorded | 4,365 |  | 4,365 |  | 4,842
Recorded Investment Net of Charge Offs, With an allowance recorded | 3,742 |  | 3,742 |  | 3,789
Unpaid principal balance |  |  |  |  |
Unpaid Principal Balance, With no related allowance recorded | 4,684 |  | 4,684 |  | 5,128
Unpaid Principal Balance, With an allowance recorded | 3,742 |  | 3,742 |  | 3,789
Related Allowance | 39 |  | 39 |  | 41
Average recorded investment |  |  |  |  |
Average Recorded Investment, With no related allowance recorded | 4,544 | 3,959 | 4,643 | 3,849 |
Average Recorded Investment, With an allowance recorded | 3,794 | 4,550 | 3,792 | 4,906 |
Interest income recognized |  |  |  |  |
Interest Income Recognized, With no related allowance recorded | 61 | 2 | 61 | 2 |
Interest Income Recognized, With an allowance recorded | 28 | 38 | 54 | 63 |
Manufactured housing |  |  |  |  |
Recorded investment net of charge-offs |  |  |  |  |
Recorded Investment Net of Charge Offs, With no related allowance recorded | 9,961 |  | 9,961 |  | 10,027
Recorded Investment Net of Charge Offs, With an allowance recorded | 165 |  | 165 |  | 168
Unpaid principal balance |  |  |  |  |
Unpaid Principal Balance, With no related allowance recorded | 9,961 |  | 9,961 |  | 10,027
Unpaid Principal Balance, With an allowance recorded | 165 |  | 165 |  | 168
Related Allowance | 3 |  | 3 |  | 3
Average recorded investment |  |  |  |  |
Average Recorded Investment, With no related allowance recorded | 10,051 | 10,015 | 10,043 | 9,963 |
Average Recorded Investment, With an allowance recorded | 166 | 225 | 167 | 225 |
Interest income recognized |  |  |  |  |
Interest Income Recognized, With no related allowance recorded | 123 | 146 | 238 | 277 |
Interest Income Recognized, With an allowance recorded | 2 | 6 | 4 | 6 |
Other consumer |  |  |  |  |
Recorded investment net of charge-offs |  |  |  |  |
Recorded Investment Net of Charge Offs, With no related allowance recorded | 132 |  | 132 |  | 111
Recorded Investment Net of Charge Offs, With an allowance recorded | 227 |  | 227 |  |
Unpaid principal balance |  |  |  |  |
Unpaid Principal Balance, With no related allowance recorded | 132 |  | 132 |  | $ 111
Unpaid Principal Balance, With an allowance recorded | 227 |  | 227 |  |
Related Allowance | 5 |  | 5 |  |
Average recorded investment |  |  |  |  |
Average Recorded Investment, With no related allowance recorded | 120 | 96 | 117 | 74 |
Average Recorded Investment, With an allowance recorded | 114 |  | 76 |  |
Interest income recognized |  |  |  |  |
Interest Income Recognized, With no related allowance recorded | 8 | $ 0 | 8 | $ 0 |
Interest Income Recognized, With an allowance recorded | $ 0 |  | $ 0 |  |

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