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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 | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Mar. 31, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Beginning balance | $ 22,547 | $ 23,023 | $ 19,958 | $ 23,023 | $ 22,874
(Reversal) Provision | 0 | (485) | (920) | (485) | (3,849)
Charge-offs | (20) |  | 0 | (22) | 0
Recoveries | 12 |  | 62 | 23 | 75
Ending balance | 22,539 | 22,547 | 19,100 | 22,539 | 19,100
Commercial loans | Commercial and industrial |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Beginning balance | 1,784 | 1,709 | 1,654 | 1,709 | 2,530
(Reversal) Provision | (89) |  | (68) | (17) | (947)
Charge-offs | 0 |  | 0 | 0 | 0
Recoveries | 4 |  | 4 | 7 | 7
Ending balance | 1,699 | 1,784 | 1,590 | 1,699 | 1,590
Commercial real estate loans | Commercial owner-occupied |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Beginning balance | 2,622 | 2,776 | 2,304 | 2,776 | 2,778
(Reversal) Provision | (5) |  | (267) | (159) | (741)
Charge-offs | 0 |  | 0 | 0 | 0
Recoveries | 0 |  | 0 | 0 | 0
Ending balance | 2,617 | 2,622 | 2,037 | 2,617 | 2,037
Commercial real estate loans | Commercial investor-owned |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Beginning balance | 12,301 | 12,739 | 10,856 | 12,739 | 12,682
(Reversal) Provision | 138 |  | (95) | (300) | (1,921)
Charge-offs | 0 |  | 0 | 0 | 0
Recoveries | 0 |  | 0 | 0 | 0
Ending balance | 12,439 | 12,301 | 10,761 | 12,439 | 10,761
Commercial real estate loans | Construction |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Beginning balance | 1,717 | 1,653 | 1,312 | 1,653 | 1,557
(Reversal) Provision | 12 |  | (178) | 68 | (433)
Charge-offs | 0 |  | 0 | 0 | 0
Recoveries | 8 |  | 8 | 16 | 18
Ending balance | 1,737 | 1,717 | 1,142 | 1,737 | 1,142
Residential loans | Home equity |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Beginning balance | 549 | 595 | 520 | 595 | 738
(Reversal) Provision | (19) |  | (158) | (65) | (376)
Charge-offs | 0 |  | 0 | 0 | 0
Recoveries | 0 |  | 50 | 0 | 50
Ending balance | 530 | 549 | 412 | 530 | 412
Residential loans | Other residential |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Beginning balance | 628 | 644 | 757 | 644 | 998
(Reversal) Provision | (43) |  | (144) | (59) | (385)
Charge-offs | 0 |  | 0 | 0 | 0
Recoveries | 0 |  | 0 | 0 | 0
Ending balance | 585 | 628 | 613 | 585 | 613
Consumer loans | Installment and other consumer loans |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Beginning balance | 641 | 621 | 255 | 621 | 291
(Reversal) Provision | 112 |  | (17) | 134 | (53)
Charge-offs | (20) |  | 0 | (22) | 0
Recoveries | 0 |  | 0 | 0 | 0
Ending balance | 733 | 641 | 238 | 733 | 238
Unallocated |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |
Beginning balance | 2,305 | 2,286 | 2,300 | 2,286 | 1,300
(Reversal) Provision | (106) |  | 7 | (87) | 1,007
Charge-offs | 0 |  | 0 | 0 | 0
Recoveries | 0 |  | 0 | 0 | 0
Ending balance | $ 2,199 | $ 2,305 | $ 2,307 | $ 2,199 | $ 2,307

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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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