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Loans and Allowance for Credit Losses on Loans - Changes in the Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Changes in the Allowance for Loan Losses |  |  |  |  |  |  |  |  |  |  |
Beginning of period balance |  |  |  | $ 23,285 |  |  |  | $ 27,848 | $ 23,285 | $ 27,848 | $ 19,658
Charge-offs |  |  |  |  |  |  |  |  | (1,880) | (6,623) | (2,026)
Recoveries |  |  |  |  |  |  |  |  | 1,192 | 1,214 | 2,795
Net (charge-offs) recoveries |  |  |  |  |  |  |  |  | (688) | (5,409) | 769
Provision (recapture) for credit losses on loans | $ (1,348) | $ 197 | $ 1,114 | 13,270 | $ 3,223 | $ (576) | $ (740) | (1,061) | 13,233 | 846 | 7,421
End of period balance | 44,400 |  |  |  | 23,285 |  |  |  | 44,400 | 23,285 | 27,848
ASU 2016-03 - Topic 326 |  |  |  |  |  |  |  |  |  |  |
Changes in the Allowance for Loan Losses |  |  |  |  |  |  |  |  |  |  |
Beginning of period balance |  |  |  | (8,570) |  |  |  |  | (8,570) |  |
End of period balance |  |  |  |  | (8,570) |  |  |  |  | (8,570) |
Commercial |  |  |  |  |  |  |  |  |  |  |
Changes in the Allowance for Loan Losses |  |  |  |  |  |  |  |  |  |  |
Beginning of period balance |  |  |  | 10,453 |  |  |  | 17,061 | 10,453 | 17,061 | 10,608
Charge-offs |  |  |  |  |  |  |  |  |  | (6,609) | (2,002)
Recoveries |  |  |  |  |  |  |  |  |  | 1,045 | 2,645
Net (charge-offs) recoveries |  |  |  |  |  |  |  |  |  | (5,564) | 643
Provision (recapture) for credit losses on loans |  |  |  |  |  |  |  |  |  | (1,044) | 5,810
End of period balance |  |  |  |  | 10,453 |  |  |  |  | 10,453 | 17,061
Real estate |  |  |  |  |  |  |  |  |  |  |
Changes in the Allowance for Loan Losses |  |  |  |  |  |  |  |  |  |  |
Beginning of period balance |  |  |  | 12,750 |  |  |  | 10,671 | 12,750 | 10,671 | 8,950
Recoveries |  |  |  |  |  |  |  |  |  | 169 | 150
Net (charge-offs) recoveries |  |  |  |  |  |  |  |  |  | 169 | 150
Provision (recapture) for credit losses on loans |  |  |  |  |  |  |  |  |  | 1,910 | 1,571
End of period balance |  |  |  |  | 12,750 |  |  |  |  | 12,750 | 10,671
Consumer |  |  |  |  |  |  |  |  |  |  |
Changes in the Allowance for Loan Losses |  |  |  |  |  |  |  |  |  |  |
Beginning of period balance |  |  |  | 82 |  |  |  | $ 116 | 82 | 116 | 100
Charge-offs |  |  |  |  |  |  |  |  |  | (14) | (24)
Net (charge-offs) recoveries |  |  |  |  |  |  |  |  |  | (14) | (24)
Provision (recapture) for credit losses on loans |  |  |  |  |  |  |  |  |  | (20) | 40
End of period balance |  |  |  |  | 82 |  |  |  |  | 82 | $ 116
Commercial |  |  |  |  |  |  |  |  |  |  |
Changes in the Allowance for Loan Losses |  |  |  |  |  |  |  |  |  |  |
Beginning of period balance |  |  |  | 10,453 |  |  |  |  | 10,453 |  |
Charge-offs |  |  |  |  |  |  |  |  | (1,776) |  |
Recoveries |  |  |  |  |  |  |  |  | 998 |  |
Net (charge-offs) recoveries |  |  |  |  |  |  |  |  | (778) |  |
Provision (recapture) for credit losses on loans |  |  |  |  |  |  |  |  | 5,575 |  |
End of period balance | 11,587 |  |  |  | 10,453 |  |  |  | 11,587 | 10,453 |
Commercial | ASU 2016-03 - Topic 326 |  |  |  |  |  |  |  |  |  |  |
Changes in the Allowance for Loan Losses |  |  |  |  |  |  |  |  |  |  |
Beginning of period balance |  |  |  | 3,663 |  |  |  |  | 3,663 |  |
End of period balance |  |  |  |  | 3,663 |  |  |  |  | 3,663 |
CRE - owner occupied |  |  |  |  |  |  |  |  |  |  |
Changes in the Allowance for Loan Losses |  |  |  |  |  |  |  |  |  |  |
Beginning of period balance |  |  |  | 3,825 |  |  |  |  | 3,825 |  |
Recoveries |  |  |  |  |  |  |  |  | 1 |  |
Net (charge-offs) recoveries |  |  |  |  |  |  |  |  | 1 |  |
Provision (recapture) for credit losses on loans |  |  |  |  |  |  |  |  | 1,565 |  |
End of period balance | 8,560 |  |  |  | 3,825 |  |  |  | 8,560 | 3,825 |
CRE - owner occupied | ASU 2016-03 - Topic 326 |  |  |  |  |  |  |  |  |  |  |
Changes in the Allowance for Loan Losses |  |  |  |  |  |  |  |  |  |  |
Beginning of period balance |  |  |  | (3,169) |  |  |  |  | (3,169) |  |
End of period balance |  |  |  |  | (3,169) |  |  |  |  | (3,169) |
CRE - non-owner occupied |  |  |  |  |  |  |  |  |  |  |
Changes in the Allowance for Loan Losses |  |  |  |  |  |  |  |  |  |  |
Beginning of period balance |  |  |  | 3,760 |  |  |  |  | 3,760 |  |
Provision (recapture) for credit losses on loans |  |  |  |  |  |  |  |  | 4,744 |  |
End of period balance | 16,416 |  |  |  | 3,760 |  |  |  | 16,416 | 3,760 |
CRE - non-owner occupied | ASU 2016-03 - Topic 326 |  |  |  |  |  |  |  |  |  |  |
Changes in the Allowance for Loan Losses |  |  |  |  |  |  |  |  |  |  |
Beginning of period balance |  |  |  | (7,912) |  |  |  |  | (7,912) |  |
End of period balance |  |  |  |  | (7,912) |  |  |  |  | (7,912) |
Land and construction |  |  |  |  |  |  |  |  |  |  |
Changes in the Allowance for Loan Losses |  |  |  |  |  |  |  |  |  |  |
Beginning of period balance |  |  |  | 2,621 |  |  |  |  | 2,621 |  |
Recoveries |  |  |  |  |  |  |  |  | 70 |  |
Net (charge-offs) recoveries |  |  |  |  |  |  |  |  | 70 |  |
Provision (recapture) for credit losses on loans |  |  |  |  |  |  |  |  | 981 |  |
End of period balance | 2,509 |  |  |  | 2,621 |  |  |  | 2,509 | 2,621 |
Land and construction | ASU 2016-03 - Topic 326 |  |  |  |  |  |  |  |  |  |  |
Changes in the Allowance for Loan Losses |  |  |  |  |  |  |  |  |  |  |
Beginning of period balance |  |  |  | 1,163 |  |  |  |  | 1,163 |  |
End of period balance |  |  |  |  | 1,163 |  |  |  |  | 1,163 |
Home equity |  |  |  |  |  |  |  |  |  |  |
Changes in the Allowance for Loan Losses |  |  |  |  |  |  |  |  |  |  |
Beginning of period balance |  |  |  | 2,244 |  |  |  |  | 2,244 |  |
Recoveries |  |  |  |  |  |  |  |  | 93 |  |
Net (charge-offs) recoveries |  |  |  |  |  |  |  |  | 93 |  |
Provision (recapture) for credit losses on loans |  |  |  |  |  |  |  |  | (117) |  |
End of period balance | 1,297 |  |  |  | 2,244 |  |  |  | 1,297 | 2,244 |
Home equity | ASU 2016-03 - Topic 326 |  |  |  |  |  |  |  |  |  |  |
Changes in the Allowance for Loan Losses |  |  |  |  |  |  |  |  |  |  |
Beginning of period balance |  |  |  | 923 |  |  |  |  | 923 |  |
End of period balance |  |  |  |  | 923 |  |  |  |  | 923 |
Multi-family |  |  |  |  |  |  |  |  |  |  |
Changes in the Allowance for Loan Losses |  |  |  |  |  |  |  |  |  |  |
Beginning of period balance |  |  |  | 57 |  |  |  |  | 57 |  |
Provision (recapture) for credit losses on loans |  |  |  |  |  |  |  |  | 1,551 |  |
End of period balance | 2,804 |  |  |  | 57 |  |  |  | 2,804 | 57 |
Multi-family | ASU 2016-03 - Topic 326 |  |  |  |  |  |  |  |  |  |  |
Changes in the Allowance for Loan Losses |  |  |  |  |  |  |  |  |  |  |
Beginning of period balance |  |  |  | (1,196) |  |  |  |  | (1,196) |  |
End of period balance |  |  |  |  | (1,196) |  |  |  |  | (1,196) |
Residential mortgages |  |  |  |  |  |  |  |  |  |  |
Changes in the Allowance for Loan Losses |  |  |  |  |  |  |  |  |  |  |
Beginning of period balance |  |  |  | 243 |  |  |  |  | 243 |  |
Provision (recapture) for credit losses on loans |  |  |  |  |  |  |  |  | 265 |  |
End of period balance | 943 |  |  |  | 243 |  |  |  | 943 | 243 |
Residential mortgages | ASU 2016-03 - Topic 326 |  |  |  |  |  |  |  |  |  |  |
Changes in the Allowance for Loan Losses |  |  |  |  |  |  |  |  |  |  |
Beginning of period balance |  |  |  | (435) |  |  |  |  | (435) |  |
End of period balance |  |  |  |  | (435) |  |  |  |  | (435) |
Consumer and other |  |  |  |  |  |  |  |  |  |  |
Changes in the Allowance for Loan Losses |  |  |  |  |  |  |  |  |  |  |
Beginning of period balance |  |  |  | 82 |  |  |  |  | 82 |  |
Charge-offs |  |  |  |  |  |  |  |  | (104) |  |
Recoveries |  |  |  |  |  |  |  |  | 30 |  |
Net (charge-offs) recoveries |  |  |  |  |  |  |  |  | (74) |  |
Provision (recapture) for credit losses on loans |  |  |  |  |  |  |  |  | (1,331) |  |
End of period balance | $ 284 |  |  |  | 82 |  |  |  | 284 | 82 |
Consumer and other | ASU 2016-03 - Topic 326 |  |  |  |  |  |  |  |  |  |  |
Changes in the Allowance for Loan Losses |  |  |  |  |  |  |  |  |  |  |
Beginning of period balance |  |  |  | $ (1,607) |  |  |  |  | $ (1,607) |  |
End of period balance |  |  |  |  | $ (1,607) |  |  |  |  | $ (1,607) |

X
- Definition Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 + Details
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