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Loans and Allowance for Loan Losses (Tables) | 6 Months Ended
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Jun. 30, 2022
Loans and Allowance for Loan Losses |
Schedule of total loans outstanding by portfolio segment | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | June 30, |  | December 31,
(dollars in thousands) |  | 2022 |  | 2021
Commercial | ​ | ​ | ​ | ​ | ​ | ​
Commercial and industrial (1) | ​ | $ | 484,426 | ​ | $ | 436,761
Real estate construction | ​ |  | 48,870 | ​ |  | 40,619
Commercial real estate | ​ |  | 599,737 | ​ |  | 598,893
Total commercial | ​ |  | 1,133,033 | ​ |  | 1,076,273
Consumer | ​ |  |  | ​ |  |
Residential real estate first mortgage | ​ |  | 568,571 | ​ |  | 510,716
Residential real estate junior lien | ​ |  | 135,255 | ​ |  | 125,668
Other revolving and installment | ​ |  | 53,384 | ​ |  | 45,363
Total consumer | ​ |  | 757,210 | ​ |  | 681,747
Total loans | ​ | $ | 1,890,243 | ​ | $ | 1,758,020
(1) | Included Paycheck Protection Program, or PPP, loans of $6.9 million at June 30, 2022 and $33.6 million at December 31, 2021.
Schedule of past due aging analysis of the loan portfolio | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, 2022
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 90 Days | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Accruing | ​ | 30 - 89 Days | ​ | or More | ​ | ​ | ​ | ​ | Total
(dollars in thousands) |  | Current |  | Past Due |  | Past Due |  | Nonaccrual |  | Loans
Commercial |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Commercial and industrial | ​ | $ | 482,743 | ​ | $ | 82 | ​ | $ | — | ​ | $ | 1,601 | ​ | $ | 484,426
Real estate construction | ​ |  | 48,833 | ​ |  | 37 | ​ |  | — | ​ |  | — | ​ |  | 48,870
Commercial real estate | ​ |  | 599,108 | ​ |  | — | ​ |  | — | ​ |  | 629 | ​ |  | 599,737
Total commercial | ​ |  | 1,130,684 | ​ |  | 119 | ​ |  | — | ​ |  | 2,230 | ​ |  | 1,133,033
Consumer | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Residential real estate first mortgage | ​ |  | 565,443 | ​ |  | 1,255 | ​ |  | — | ​ |  | 1,873 | ​ |  | 568,571
Residential real estate junior lien | ​ |  | 134,636 | ​ |  | 426 | ​ |  | — | ​ |  | 193 | ​ |  | 135,255
Other revolving and installment | ​ |  | 53,123 | ​ |  | 187 | ​ |  | — | ​ |  | 74 | ​ |  | 53,384
Total consumer | ​ |  | 753,202 | ​ |  | 1,868 | ​ |  | — | ​ |  | 2,140 | ​ |  | 757,210
Total loans | ​ | $ | 1,883,886 | ​ | $ | 1,987 | ​ | $ | — | ​ | $ | 4,370 | ​ | $ | 1,890,243
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2021
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 90 Days | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Accruing | ​ | 30 - 89 Days | ​ | or More | ​ | ​ | ​ | ​ | Total
(dollars in thousands) |  | Current |  | Past Due |  | Past Due |  | Nonaccrual |  | Loans
Commercial | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Commercial and industrial | ​ | $ | 435,135 | ​ | $ | 168 | ​ | $ | 121 | ​ | $ | 1,337 | ​ | $ | 436,761
Real estate construction | ​ |  | 40,619 | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | 40,619
Commercial real estate | ​ |  | 598,264 | ​ |  | — | ​ |  | — | ​ |  | 629 | ​ |  | 598,893
Total commercial | ​ |  | 1,074,018 | ​ |  | 168 | ​ |  | 121 | ​ |  | 1,966 | ​ |  | 1,076,273
Consumer | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Residential real estate first mortgage | ​ |  | 508,925 | ​ |  | 1,770 | ​ |  | — | ​ |  | 21 | ​ |  | 510,716
Residential real estate junior lien | ​ |  | 125,412 | ​ |  | 167 | ​ |  | — | ​ |  | 89 | ​ |  | 125,668
Other revolving and installment | ​ |  | 45,242 | ​ |  | 121 | ​ |  | — | ​ |  | — | ​ |  | 45,363
Total consumer | ​ |  | 679,579 | ​ |  | 2,058 | ​ |  | — | ​ |  | 110 | ​ |  | 681,747
Total loans | ​ | $ | 1,753,597 | ​ | $ | 2,226 | ​ | $ | 121 | ​ | $ | 2,076 | ​ | $ | 1,758,020
Schedule of loans outstanding, by portfolio segment and risk category | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, 2022
​ | ​ | ​ | ​ | ​ | Criticized | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Special | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(dollars in thousands) |  | Pass |  | Mention |  | Substandard |  | Doubtful |  | Total
Commercial |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Commercial and industrial | ​ | $ | 479,586 | ​ | $ | 1,204 | ​ | $ | 3,636 | ​ | $ | — | ​ | $ | 484,426
Real estate construction | ​ |  | 48,870 | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | 48,870
Commercial real estate | ​ |  | 589,552 | ​ |  | 4,689 | ​ |  | 5,496 | ​ |  | — | ​ |  | 599,737
Total commercial | ​ | ​ | 1,118,008 | ​ | ​ | 5,893 | ​ | ​ | 9,132 | ​ | ​ | — | ​ | ​ | 1,133,033
Consumer | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Residential real estate first mortgage | ​ |  | 566,368 | ​ |  | 65 | ​ |  | 2,138 | ​ |  | — | ​ |  | 568,571
Residential real estate junior lien | ​ |  | 134,537 | ​ |  | — | ​ |  | 718 | ​ |  | — | ​ |  | 135,255
Other revolving and installment | ​ |  | 53,310 | ​ |  | — | ​ |  | 74 | ​ |  | — | ​ |  | 53,384
Total consumer | ​ |  | 754,215 | ​ |  | 65 | ​ |  | 2,930 | ​ |  | — | ​ |  | 757,210
Total loans | ​ | $ | 1,872,223 | ​ | $ | 5,958 | ​ | $ | 12,062 | ​ | $ | — | ​ | $ | 1,890,243
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2021
​ | ​ | ​ | ​ | ​ | Criticized | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Special | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(dollars in thousands) |  | Pass |  | Mention |  | Substandard |  | Doubtful |  | Total
Commercial |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Commercial and industrial | ​ | $ | 430,235 | ​ | $ | 480 | ​ | $ | 6,046 | ​ | $ | — | ​ | $ | 436,761
Real estate construction | ​ |  | 40,619 | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | 40,619
Commercial real estate | ​ |  | 585,291 | ​ |  | — | ​ |  | 13,602 | ​ |  | — | ​ |  | 598,893
Total commercial | ​ | ​ | 1,056,145 | ​ | ​ | 480 | ​ | ​ | 19,648 | ​ | ​ | — | ​ | ​ | 1,076,273
Consumer | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Residential real estate first mortgage | ​ |  | 510,375 | ​ |  | — | ​ |  | 341 | ​ |  | — | ​ |  | 510,716
Residential real estate junior lien | ​ |  | 124,898 | ​ |  | — | ​ |  | 770 | ​ |  | — | ​ |  | 125,668
Other revolving and installment | ​ |  | 45,363 | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | 45,363
Total consumer | ​ |  | 680,636 | ​ |  | — | ​ |  | 1,111 | ​ |  | — | ​ |  | 681,747
Total loans | ​ | $ | 1,736,781 | ​ | $ | 480 | ​ | $ | 20,759 | ​ | $ | — | ​ | $ | 1,758,020
​
Summary of changes in allowances | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended June 30, 2022
​ | ​ | Beginning | ​ | Provision for | ​ | Loan | ​ | Loan | ​ | Ending
(dollars in thousands) |  | Balance |  | Loan Losses |  | Charge-offs |  | Recoveries |  | Balance
Commercial |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Commercial and industrial | ​ | $ | 9,795 | ​ | $ | 1,085 | ​ | $ | (637) | ​ | $ | 90 | ​ | $ | 10,333
Real estate construction | ​ |  | 810 | ​ |  | 68 | ​ |  | — | ​ |  | — | ​ |  | 878
Commercial real estate | ​ |  | 11,946 | ​ |  | (1,123) | ​ |  | — | ​ |  | 11 | ​ |  | 10,834
Total commercial | ​ |  | 22,551 | ​ |  | 30 | ​ |  | (637) | ​ |  | 101 | ​ |  | 22,045
Consumer | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Residential real estate first mortgage | ​ |  | 6,661 | ​ |  | (486) | ​ |  | — | ​ |  | — | ​ |  | 6,175
Residential real estate junior lien | ​ |  | 1,400 | ​ |  | (134) | ​ |  | — | ​ |  | 201 | ​ |  | 1,467
Other revolving and installment | ​ |  | 644 | ​ |  | (5) | ​ |  | (37) | ​ |  | 32 | ​ |  | 634
Total consumer | ​ |  | 8,705 | ​ |  | (625) | ​ |  | (37) | ​ |  | 233 | ​ |  | 8,276
Unallocated | ​ |  | 457 | ​ |  | 595 | ​ |  | — | ​ |  | — | ​ |  | 1,052
Total | ​ | $ | 31,713 | ​ | $ | — | ​ | $ | (674) | ​ | $ | 334 | ​ | $ | 31,373
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Six months ended June 30, 2022
​ | ​ | Beginning | ​ | Provision for | ​ | Loan | ​ | Loan | ​ | Ending
(dollars in thousands) |  | Balance |  | Loan Losses |  | Charge-offs |  | Recoveries |  | Balance
Commercial | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial and industrial | ​ | $ | 8,925 | ​ | $ | 1,856 | ​ | $ | (664) | ​ | $ | 216 | ​ | $ | 10,333
Real estate construction | ​ | ​ | 783 | ​ | ​ | 95 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 878
Commercial real estate | ​ | ​ | 12,376 | ​ | ​ | (1,564) | ​ | ​ | — | ​ | ​ | 22 | ​ | ​ | 10,834
Total commercial | ​ | ​ | 22,084 | ​ | ​ | 387 | ​ | ​ | (664) | ​ | ​ | 238 | ​ | ​ | 22,045
Consumer | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Residential real estate first mortgage | ​ | ​ | 6,532 | ​ | ​ | (357) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 6,175
Residential real estate junior lien | ​ | ​ | 1,295 | ​ | ​ | (42) | ​ | ​ | — | ​ | ​ | 214 | ​ | ​ | 1,467
Other revolving and installment | ​ | ​ | 481 | ​ | ​ | 140 | ​ | ​ | (55) | ​ | ​ | 68 | ​ | ​ | 634
Total consumer | ​ | ​ | 8,308 | ​ | ​ | (259) | ​ | ​ | (55) | ​ | ​ | 282 | ​ | ​ | 8,276
Unallocated | ​ | ​ | 1,180 | ​ | ​ | (128) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 1,052
Total | ​ | $ | 31,572 | ​ | $ | — | ​ | $ | (719) | ​ | $ | 520 | ​ | $ | 31,373
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended June 30, 2021
​ | ​ | Beginning | ​ | Provision for | ​ | Loan | ​ | Loan | ​ | Ending
(dollars in thousands) |  | Balance |  | Loan Losses |  | Charge-offs |  | Recoveries |  | Balance
Commercial | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial and industrial | ​ | $ | 10,487 | ​ | $ | (869) | ​ | $ | (273) | ​ | $ | 275 | ​ | $ | 9,620
Real estate construction | ​ | ​ | 598 | ​ |  | (11) | ​ |  | — | ​ |  | — | ​ | ​ | 587
Commercial real estate | ​ | ​ | 13,849 | ​ |  | (913) | ​ |  | — | ​ |  | 1 | ​ | ​ | 12,937
Total commercial | ​ | ​ | 24,934 | ​ |  | (1,793) | ​ |  | (273) | ​ |  | 276 | ​ | ​ | 23,144
Consumer | ​ | ​ | ​ | ​ |  |  | ​ |  |  | ​ |  |  | ​ | ​ | ​
Residential real estate first mortgage | ​ | ​ | 6,047 | ​ |  | 129 | ​ |  | — | ​ |  | — | ​ | ​ | 6,176
Residential real estate junior lien | ​ | ​ | 1,288 | ​ |  | 99 | ​ |  | — | ​ |  | 14 | ​ | ​ | 1,401
Other revolving and installment | ​ | ​ | 666 | ​ |  | (81) | ​ |  | (49) | ​ |  | 38 | ​ | ​ | 574
Total consumer | ​ | ​ | 8,001 | ​ | ​ | 147 | ​ | ​ | (49) | ​ | ​ | 52 | ​ | ​ | 8,151
Unallocated | ​ | ​ | 823 | ​ |  | 1,646 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 2,469
Total | ​ | $ | 33,758 | ​ | $ | — | ​ | $ | (322) | ​ | $ | 328 | ​ | $ | 33,764
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Six months ended June 30, 2021
​ | ​ | Beginning | ​ | Provision for | ​ | Loan | ​ | Loan | ​ | Ending
(dollars in thousands) |  | Balance |  | Loan Losses |  | Charge-offs |  | Recoveries |  | Balance
Commercial | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Commercial and industrial | ​ | $ | 10,205 | ​ | $ | (553) | ​ | $ | (477) | ​ | $ | 445 | ​ | $ | 9,620
Real estate construction | ​ |  | 658 | ​ |  | (71) | ​ |  | — | ​ |  | — | ​ |  | 587
Commercial real estate | ​ |  | 14,105 | ​ |  | (636) | ​ |  | (536) | ​ |  | 4 | ​ |  | 12,937
Total commercial | ​ |  | 24,968 | ​ |  | (1,260) | ​ |  | (1,013) | ​ |  | 449 | ​ |  | 23,144
Consumer | ​ |  | ​ | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Residential real estate first mortgage | ​ |  | 5,774 | ​ |  | 402 | ​ |  | — | ​ |  | — | ​ |  | 6,176
Residential real estate junior lien | ​ |  | 1,373 | ​ |  | (69) | ​ |  | — | ​ | ​ | 97 | ​ |  | 1,401
Other revolving and installment | ​ |  | 753 | ​ |  | (164) | ​ |  | (93) | ​ |  | 78 | ​ |  | 574
Total consumer | ​ |  | 7,900 | ​ |  | 169 | ​ |  | (93) | ​ |  | 175 | ​ |  | 8,151
Unallocated | ​ |  | 1,378 | ​ |  | 1,091 | ​ |  | — | ​ |  | — | ​ |  | 2,469
Total | ​ | $ | 34,246 | ​ | $ | — | ​ | $ | (1,106) | ​ | $ | 624 | ​ | $ | 33,764
​
Schedule of loans distributed by portfolio segment and impairment methodology | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, 2022
​ | ​ | Recorded Investment | ​ | Allowance for Loan Losses
​ | ​ | Individually | ​ | Collectively | ​ | ​ | ​ | ​ | Individually | ​ | Collectively | ​ | ​ | ​
(dollars in thousands) |  | Evaluated |  | Evaluated |  | Total |  | Evaluated |  | Evaluated |  | Total
Commercial | ​ | ​ |  |  | ​ |  |  | ​ |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial and industrial | ​ | $ | 1,769 | ​ | $ | 482,657 | ​ | $ | 484,426 | ​ | $ | 828 | ​ | $ | 9,505 | ​ | $ | 10,333
Real estate construction | ​ |  | — | ​ |  | 48,870 | ​ |  | 48,870 | ​ | ​ | — | ​ | ​ | 878 | ​ | ​ | 878
Commercial real estate | ​ |  | 803 | ​ |  | 598,934 | ​ |  | 599,737 | ​ | ​ | 3 | ​ | ​ | 10,831 | ​ | ​ | 10,834
Total commercial | ​ |  | 2,572 | ​ |  | 1,130,461 | ​ |  | 1,133,033 | ​ | ​ | 831 | ​ | ​ | 21,214 | ​ | ​ | 22,045
Consumer | ​ |  |  | ​ |  |  | ​ |  |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Residential real estate first mortgage | ​ |  | 1,873 | ​ |  | 566,698 | ​ |  | 568,571 | ​ | ​ | — | ​ | ​ | 6,175 | ​ | ​ | 6,175
Residential real estate junior lien | ​ |  | 193 | ​ |  | 135,062 | ​ |  | 135,255 | ​ | ​ | — | ​ | ​ | 1,467 | ​ | ​ | 1,467
Other revolving and installment | ​ |  | 74 | ​ |  | 53,310 | ​ |  | 53,384 | ​ | ​ | 27 | ​ | ​ | 607 | ​ | ​ | 634
Total consumer | ​ |  | 2,140 | ​ |  | 755,070 | ​ |  | 757,210 | ​ | ​ | 27 | ​ | ​ | 8,249 | ​ | ​ | 8,276
Unallocated | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 1,052
Total loans | ​ | $ | 4,712 | ​ | $ | 1,885,531 | ​ | $ | 1,890,243 | ​ | $ | 858 | ​ | $ | 29,463 | ​ | $ | 31,373
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2021
​ | ​ | Recorded Investment | ​ | Allowance for Loan Losses
​ | ​ | Individually | ​ | Collectively | ​ | ​ | ​ | ​ | Individually | ​ | Collectively | ​ | ​ | ​
(dollars in thousands) |  | Evaluated |  | Evaluated |  | Total |  | Evaluated |  | Evaluated |  | Total
Commercial | ​ | ​ |  |  | ​ |  |  | ​ |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial and industrial | ​ | $ | 1,831 | ​ | $ | 434,930 | ​ | $ | 436,761 | ​ | $ | 278 | ​ | $ | 8,647 | ​ | $ | 8,925
Real estate construction | ​ |  | — | ​ |  | 40,619 | ​ |  | 40,619 | ​ | ​ | — | ​ | ​ | 783 | ​ | ​ | 783
Commercial real estate | ​ |  | 809 | ​ |  | 598,084 | ​ |  | 598,893 | ​ | ​ | 5 | ​ | ​ | 12,371 | ​ | ​ | 12,376
Total commercial | ​ |  | 2,640 | ​ |  | 1,073,633 | ​ |  | 1,076,273 | ​ | ​ | 283 | ​ | ​ | 21,801 | ​ | ​ | 22,084
Consumer | ​ |  |  | ​ |  |  | ​ |  |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Residential real estate first mortgage | ​ |  | 21 | ​ |  | 510,695 | ​ |  | 510,716 | ​ | ​ | — | ​ | ​ | 6,532 | ​ | ​ | 6,532
Residential real estate junior lien | ​ |  | 91 | ​ | ​ | 125,577 | ​ |  | 125,668 | ​ | ​ | — | ​ | ​ | 1,295 | ​ | ​ | 1,295
Other revolving and installment | ​ |  | — | ​ |  | 45,363 | ​ |  | 45,363 | ​ | ​ | — | ​ | ​ | 481 | ​ | ​ | 481
Total consumer | ​ |  | 112 | ​ |  | 681,635 | ​ |  | 681,747 | ​ | ​ | — | ​ | ​ | 8,308 | ​ | ​ | 8,308
Unallocated | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 1,180
Total loans | ​ | $ | 2,752 | ​ | $ | 1,755,268 | ​ | $ | 1,758,020 | ​ | $ | 283 | ​ | $ | 30,109 | ​ | $ | 31,572
Schedule of impaired loans | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, 2022 |  | December 31, 2021
​ | ​ | Recorded | ​ | Unpaid | ​ | Related |  | Recorded | ​ | Unpaid | ​ | Related
(dollars in thousands) |  | Investment |  | Principal |  | Allowance |  | Investment |  | Principal |  | Allowance
Impaired loans with a valuation allowance | ​ |  |  | ​ |  |  | ​ |  |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial and industrial | ​ | $ | 1,008 | ​ | $ | 1,036 | ​ | $ | 828 | ​ | $ | 445 | ​ | $ | 464 | ​ | $ | 278
Commercial real estate | ​ |  | 174 | ​ |  | 195 | ​ |  | 3 | ​ |  | 180 | ​ |  | 203 | ​ |  | 5
Residential real estate junior lien | ​ |  | — | ​ |  | — | ​ | ​ | — | ​ | ​ | — | ​ |  | — | ​ | ​ | —
Other revolving and installment | ​ |  | 74 | ​ |  | 74 | ​ |  | 27 | ​ | ​ | — | ​ |  | — | ​ |  | —
Total impaired loans with a valuation allowance | ​ | ​ | 1,256 | ​ | ​ | 1,305 | ​ | ​ | 858 | ​ | ​ | 625 | ​ | ​ | 667 | ​ | ​ | 283
Impaired loans without a valuation allowance |  | ​ |  |  | ​ |  |  | ​ |  | ​ | ​ |  |  | ​ |  |  | ​ |
Commercial and industrial | ​ | ​ | 761 | ​ | ​ | 873 | ​ | ​ | — | ​ | ​ | 1,386 | ​ | ​ | 1,575 | ​ | ​ | —
Commercial real estate | ​ |  | 629 | ​ | ​ | 684 | ​ |  | — | ​ | ​ | 629 | ​ |  | 684 | ​ |  | —
Residential real estate first mortgage | ​ |  | 1,873 | ​ |  | 1,910 | ​ |  | — | ​ | ​ | 21 | ​ |  | 24 | ​ |  | —
Residential real estate junior lien | ​ |  | 193 | ​ |  | 226 | ​ |  | — | ​ | ​ | 91 | ​ |  | 120 | ​ |  | —
Other revolving and installment | ​ |  | — | ​ |  | — | ​ |  | — | ​ | ​ | — | ​ |  | — | ​ |  | —
Total impaired loans without a valuation allowance | ​ | ​ | 3,456 | ​ | ​ | 3,693 | ​ | ​ | — | ​ | ​ | 2,127 | ​ | ​ | 2,403 | ​ | ​ | —
Total impaired loans | ​ |  |  | ​ |  |  | ​ |  |  | ​ | ​ |  | ​ |  |  | ​ |  |
Commercial and industrial | ​ | ​ | 1,769 | ​ | ​ | 1,909 | ​ | ​ | 828 | ​ | ​ | 1,831 | ​ | ​ | 2,039 | ​ | ​ | 278
Commercial real estate | ​ |  | 803 | ​ |  | 879 | ​ |  | 3 | ​ |  | 809 | ​ |  | 887 | ​ |  | 5
Residential real estate first mortgage | ​ | ​ | 1,873 | ​ | ​ | 1,910 | ​ | ​ | — | ​ | ​ | 21 | ​ | ​ | 24 | ​ | ​ | —
Residential real estate junior lien | ​ |  | 193 | ​ |  | 226 | ​ |  | — | ​ |  | 91 | ​ |  | 120 | ​ |  | —
Other revolving and installment | ​ |  | 74 | ​ |  | 74 | ​ |  | 27 | ​ |  | — | ​ |  | — | ​ |  | —
Total impaired loans | ​ | $ | 4,712 | ​ | $ | 4,998 | ​ | $ | 858 | ​ | $ | 2,752 | ​ | $ | 3,070 | ​ | $ | 283
​ The table below presents the average recorded investment in impaired loans and interest income for the three and six months ended June 30, 2022 and 2021:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended June 30,
​ | ​ | 2022 | ​ | 2021
​ | ​ | Average | ​ | ​ | ​ | ​ | Average | ​ | ​ | ​
​ | ​ | Recorded | ​ | Interest | ​ | Recorded | ​ | Interest
(dollars in thousands) |  | Investment |  | Income |  | Investment |  | Income
Impaired loans with a valuation allowance | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial and industrial | ​ | $ | 1,018 | ​ | $ | 2 | ​ | $ | 1,548 | ​ | $ | 3
Commercial real estate | ​ | ​ | 176 | ​ | ​ | 2 | ​ | ​ | 188 | ​ | ​ | 2
Residential real estate first mortgage | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Residential real estate junior lien | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 27 | ​ | ​ | —
Other revolving and installment | ​ | ​ | 75 | ​ | ​ | — | ​ | ​ | 13 | ​ | ​ | —
Total impaired loans with a valuation allowance | ​ | ​ | 1,269 | ​ | ​ | 4 | ​ | ​ | 1,776 | ​ | ​ | 5
Impaired loans without a valuation allowance |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial and industrial | ​ | ​ | 761 | ​ | ​ | — | ​ | ​ | 1,174 | ​ | ​ | 5
Commercial real estate | ​ | ​ | 629 | ​ | ​ | — | ​ | ​ | 4,472 | ​ | ​ | —
Residential real estate first mortgage | ​ | ​ | 1,962 | ​ | ​ | — | ​ | ​ | 23 | ​ | ​ | —
Residential real estate junior lien | ​ | ​ | 196 | ​ | ​ | — | ​ | ​ | 302 | ​ | ​ | —
Other revolving and installment | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Total impaired loans without a valuation allowance | ​ | ​ | 3,548 | ​ | ​ | — | ​ | ​ | 5,971 | ​ | ​ | 5
Total impaired loans | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial and industrial | ​ | ​ | 1,779 | ​ | ​ | 2 | ​ | ​ | 2,722 | ​ | ​ | 8
Commercial real estate | ​ | ​ | 805 | ​ | ​ | 2 | ​ | ​ | 4,660 | ​ | ​ | 2
Residential real estate first mortgage | ​ | ​ | 1,962 | ​ | ​ | — | ​ | ​ | 23 | ​ | ​ | —
Residential real estate junior lien | ​ | ​ | 196 | ​ | ​ | — | ​ | ​ | 329 | ​ | ​ | —
Other revolving and installment | ​ | ​ | 75 | ​ | ​ | — | ​ | ​ | 13 | ​ | ​ | —
Total impaired loans | ​ | $ | 4,817 | ​ | $ | 4 | ​ | $ | 7,747 | ​ | $ | 10
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Six Months Ended June 30,
​ | ​ | 2022 | ​ | 2021
​ | ​ | Average | ​ | ​ | ​ | ​ | Average | ​ | ​ | ​
​ | ​ | Recorded | ​ | Interest | ​ | Recorded | ​ | Interest
(dollars in thousands) |  | Investment |  | Income |  | Investment |  | Income
Impaired loans with a valuation allowance | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Commercial and industrial | ​ | $ | 1,156 | ​ | $ | 6 | ​ | $ | 1,637 | ​ | $ | 6
Commercial real estate | ​ |  | 177 | ​ |  | 3 | ​ |  | 190 | ​ |  | 4
Residential real estate junior lien | ​ |  | — | ​ |  | — | ​ |  | 30 | ​ |  | —
Other revolving and installment | ​ |  | 157 | ​ |  | — | ​ |  | 14 | ​ |  | —
Total impaired loans with a valuation allowance | ​ | ​ | 1,490 | ​ | ​ | 9 | ​ | ​ | 1,871 | ​ | ​ | 10
Impaired loans without a valuation allowance | ​ | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Commercial and industrial | ​ | ​ | 761 | ​ | ​ | — | ​ | ​ | 1,187 | ​ | ​ | 11
Commercial real estate | ​ |  | 629 | ​ |  | — | ​ |  | 4,662 | ​ |  | —
Residential real estate first mortgage | ​ |  | 1,953 | ​ |  | — | ​ |  | 24 | ​ |  | —
Residential real estate junior lien | ​ |  | 198 | ​ |  | — | ​ |  | 303 | ​ | ​ | —
Other revolving and installment | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | —
Total impaired loans without a valuation allowance | ​ | ​ | 3,541 | ​ | ​ | — | ​ | ​ | 6,176 | ​ | ​ | 11
Total impaired loans | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Commercial and industrial | ​ | ​ | 1,917 | ​ | ​ | 6 | ​ | ​ | 2,824 | ​ | ​ | 17
Commercial real estate | ​ |  | 806 | ​ |  | 3 | ​ |  | 4,852 | ​ |  | 4
Residential real estate first mortgage | ​ |  | 1,953 | ​ |  | — | ​ |  | 24 | ​ |  | —
Residential real estate junior lien | ​ |  | 198 | ​ |  | — | ​ |  | 333 | ​ |  | —
Other revolving and installment | ​ |  | 157 | ​ |  | — | ​ |  | 14 | ​ |  | —
Total impaired loans | ​ | $ | 5,031 | ​ | $ | 9 | ​ | $ | 8,047 | ​ | $ | 21

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