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Loans and Allowance for Credit Losses on Loans - Allowance for Credit Losses on Loans (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Jun. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Beginning balance | $ 22,539 |  | $ 19,100 | $ 23,023 | $ 22,874
Provision (reversal) | 422 | $ 0 | 1,800 | (63) | (2,049)
Initial allowance for PCD loans |  |  | 1,505 |  | 1,505
Charge-offs | (10) |  | (2) | (32) | (2)
Recoveries | 12 |  | 11 | 35 | 86
Ending balance | 22,963 | 22,539 | 22,414 | 22,963 | 22,414
Commercial loans | Commercial and industrial |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Beginning balance | 1,699 |  | 1,590 | 1,709 | 2,530
Provision (reversal) | 265 |  | 126 | 248 | (821)
Initial allowance for PCD loans |  |  | 405 |  | 405
Charge-offs | (9) |  | 0 | (9) | 0
Recoveries | 3 |  | 3 | 10 | 10
Ending balance | 1,958 | 1,699 | 2,124 | 1,958 | 2,124
Commercial real estate loans | Commercial owner-occupied |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Beginning balance | 2,617 |  | 2,037 | 2,776 | 2,778
Provision (reversal) | (81) |  | (30) | (240) | (771)
Initial allowance for PCD loans |  |  | 559 |  | 559
Charge-offs | 0 |  | 0 | 0 | 0
Recoveries | 0 |  | 0 | 0 | 0
Ending balance | 2,536 | 2,617 | 2,566 | 2,536 | 2,566
Commercial real estate loans | Commercial investor-owned |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Beginning balance | 12,439 |  | 10,761 | 12,739 | 12,682
Provision (reversal) | 299 |  | 1,011 | (1) | (910)
Initial allowance for PCD loans |  |  | 533 |  | 533
Charge-offs | 0 |  | 0 | 0 | 0
Recoveries | 0 |  | 0 | 0 | 0
Ending balance | 12,738 | 12,439 | 12,305 | 12,738 | 12,305
Commercial real estate loans | Construction |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Beginning balance | 1,737 |  | 1,142 | 1,653 | 1,557
Provision (reversal) | 38 |  | 77 | 106 | (356)
Initial allowance for PCD loans |  |  | 0 |  | 0
Charge-offs | 0 |  | 0 | 0 | 0
Recoveries | 9 |  | 8 | 25 | 26
Ending balance | 1,784 | 1,737 | 1,227 | 1,784 | 1,227
Residential loans | Home equity |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Beginning balance | 530 |  | 412 | 595 | 738
Provision (reversal) | 12 |  | 247 | (53) | (129)
Initial allowance for PCD loans |  |  | 0 |  | 0
Charge-offs | 0 |  | 0 | 0 | 0
Recoveries | 0 |  | 0 | 0 | 50
Ending balance | 542 | 530 | 659 | 542 | 659
Residential loans | Other residential |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Beginning balance | 585 |  | 613 | 644 | 998
Provision (reversal) | 5 |  | 4 | (54) | (381)
Initial allowance for PCD loans |  |  | 6 |  | 6
Charge-offs | 0 |  | 0 | 0 | 0
Recoveries | 0 |  | 0 | 0 | 0
Ending balance | 590 | 585 | 623 | 590 | 623
Consumer loans | Installment and other consumer loans |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Beginning balance | 733 |  | 238 | 621 | 291
Provision (reversal) | 83 |  | 384 | 217 | 331
Initial allowance for PCD loans |  |  | 2 |  | 2
Charge-offs | (1) |  | (2) | (23) | (2)
Recoveries | 0 |  | 0 | 0 | 0
Ending balance | 815 | 733 | 622 | 815 | 622
Unallocated |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Beginning balance | 2,199 |  | 2,307 | 2,286 | 1,300
Provision (reversal) | (199) |  | (19) | (286) | 988
Initial allowance for PCD loans |  |  | 0 |  | 0
Charge-offs | 0 |  | 0 | 0 | 0
Recoveries | 0 |  | 0 | 0 | 0
Ending balance | $ 2,000 | $ 2,199 | $ 2,288 | $ 2,000 | $ 2,288

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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 + Details
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