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Loans and Allowance for Loan Losses (Tables) | 12 Months Ended
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Dec. 31, 2022
Loans and Allowance for Loan Losses |
Schedule of total loans outstanding by portfolio segment | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31, |  | December 31,
(dollars in thousands) |  | 2022 |  | 2021
Commercial | ​ | ​ | ​ | ​ | ​ | ​
Commercial and industrial (1) | ​ | $ | 583,876 | ​ | $ | 436,761
Real estate construction | ​ |  | 97,810 | ​ |  | 40,619
Commercial real estate | ​ |  | 881,670 | ​ |  | 598,893
Total commercial | ​ |  | 1,563,356 | ​ |  | 1,076,273
Consumer | ​ |  |  | ​ |  |
Residential real estate first mortgage | ​ |  | 679,551 | ​ |  | 510,716
Residential real estate junior lien | ​ |  | 150,479 | ​ |  | 125,668
Other revolving and installment | ​ |  | 50,608 | ​ |  | 45,363
Total consumer | ​ |  | 880,638 | ​ |  | 681,747
Total loans | ​ | $ | 2,443,994 | ​ | $ | 1,758,020
(1) | Includes PPP loans of $737 thousand at December 31, 2022 and $33.6 million at December 31, 2021.
​
Schedule of loan balances | ​
​ | ​ | ​ | ​
​ | ​ | December 31,
(dollars in thousands) |  | 2022
Real estate construction |  | $ | 440
Outstanding balance | ​ | ​ | 440
Carrying amount | ​ | ​ | 262
Allowance for loan losses | ​ | ​ | 97
Carrying amount, net of allowance for loan losses | ​ | $ | 165
​
Schedule of accretable yield or income expected to be collected | ​
​ | ​ | ​ | ​
​ | ​ | For the year ended
​ | ​ | December 31,
(dollars in thousands) |  | 2022
Beginning balance |  | $ | —
New loans purchased | ​ | ​ | 225
Accretion of income | ​ | ​ | (48)
Ending balance | ​ | $ | 177
​
Schedule of past due aging analysis of the loan portfolio | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2022
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 90 Days | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Accruing | ​ | 30 - 89 Days | ​ | or More | ​ | ​ | ​ | ​ | Total
(dollars in thousands) |  | Current |  | Past Due |  | Past Due |  | Nonaccrual |  | Loans
Commercial |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Commercial and industrial | ​ | $ | 580,288 | ​ | $ | 2,426 | ​ | $ | — | ​ | $ | 1,162 | ​ | $ | 583,876
Real estate construction | ​ |  | 97,370 | ​ |  | — | ​ |  | — | ​ |  | 440 | ​ |  | 97,810
Commercial real estate | ​ |  | 879,830 | ​ |  | 368 | ​ |  | — | ​ |  | 1,472 | ​ |  | 881,670
Total commercial | ​ |  | 1,557,488 | ​ |  | 2,794 | ​ |  | — | ​ |  | 3,074 | ​ |  | 1,563,356
Consumer | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Residential real estate first mortgage | ​ |  | 677,471 | ​ |  | 1,545 | ​ |  | — | ​ |  | 535 | ​ |  | 679,551
Residential real estate junior lien | ​ |  | 149,918 | ​ |  | 377 | ​ |  | — | ​ |  | 184 | ​ |  | 150,479
Other revolving and installment | ​ |  | 50,360 | ​ |  | 247 | ​ |  | — | ​ |  | 1 | ​ |  | 50,608
Total consumer | ​ |  | 877,749 | ​ |  | 2,169 | ​ |  | — | ​ |  | 720 | ​ |  | 880,638
Total loans | ​ | $ | 2,435,237 | ​ | $ | 4,963 | ​ | $ | — | ​ | $ | 3,794 | ​ | $ | 2,443,994
​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 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 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2022
​ | ​ | ​ | ​ | ​ | Criticized | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Special | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(dollars in thousands) |  | Pass |  | Mention |  | Substandard |  | Doubtful |  | Total
Commercial |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Commercial and industrial | ​ | $ | 558,694 | ​ | $ | 21,969 | ​ | $ | 3,213 | ​ | $ | — | ​ | $ | 583,876
Real estate construction | ​ |  | 97,548 | ​ |  | — | ​ |  | 262 | ​ |  | — | ​ |  | 97,810
Commercial real estate | ​ |  | 873,270 | ​ |  | — | ​ |  | 8,400 | ​ |  | — | ​ |  | 881,670
Total commercial | ​ | ​ | 1,529,512 | ​ | ​ | 21,969 | ​ | ​ | 11,875 | ​ | ​ | — | ​ | ​ | 1,563,356
Consumer | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Residential real estate first mortgage | ​ |  | 678,743 | ​ |  | 63 | ​ |  | 745 | ​ |  | — | ​ |  | 679,551
Residential real estate junior lien | ​ |  | 149,847 | ​ |  | — | ​ |  | 632 | ​ |  | — | ​ |  | 150,479
Other revolving and installment | ​ |  | 50,607 | ​ |  | — | ​ |  | 1 | ​ |  | — | ​ |  | 50,608
Total consumer | ​ |  | 879,197 | ​ |  | 63 | ​ |  | 1,378 | ​ |  | — | ​ |  | 880,638
Total loans | ​ | $ | 2,408,709 | ​ | $ | 22,032 | ​ | $ | 13,253 | ​ | $ | — | ​ | $ | 2,443,994
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 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 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year ended December 31, 2022
​ | ​ | Beginning | ​ | Provision for | ​ | Loan | ​ | Loan | ​ | Ending
(dollars in thousands) |  | Balance |  | Loan Losses |  | Charge-offs |  | Recoveries |  | Balance
Commercial | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial and industrial | ​ | $ | 8,925 | ​ | $ | 1,168 | ​ | $ | (1,396) | ​ | $ | 461 | ​ | $ | 9,158
Real estate construction | ​ | ​ | 783 | ​ | ​ | 587 | ​ | ​ | — | ​ | ​ | 76 | ​ | ​ | 1,446
Commercial real estate | ​ | ​ | 12,376 | ​ | ​ | 178 | ​ | ​ | — | ​ | ​ | 134 | ​ | ​ | 12,688
Total commercial | ​ | ​ | 22,084 | ​ | ​ | 1,933 | ​ | ​ | (1,396) | ​ | ​ | 671 | ​ | ​ | 23,292
Consumer | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Residential real estate first mortgage | ​ | ​ | 6,532 | ​ | ​ | (763) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 5,769
Residential real estate junior lien | ​ | ​ | 1,295 | ​ | ​ | (288) | ​ | ​ | — | ​ | ​ | 282 | ​ | ​ | 1,289
Other revolving and installment | ​ | ​ | 481 | ​ | ​ | 30 | ​ | ​ | (153) | ​ | ​ | 170 | ​ | ​ | 528
Total consumer | ​ | ​ | 8,308 | ​ | ​ | (1,021) | ​ | ​ | (153) | ​ | ​ | 452 | ​ | ​ | 7,586
Unallocated | ​ | ​ | 1,180 | ​ | ​ | (912) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 268
Total | ​ | $ | 31,572 | ​ | $ | — | ​ | $ | (1,549) | ​ | $ | 1,123 | ​ | $ | 31,146
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year ended December 31, 2021
​ | ​ | Beginning | ​ | Provision for | ​ | Loan | ​ | Loan | ​ | Ending
(dollars in thousands) |  | Balance |  | Loan Losses |  | Charge-offs |  | Recoveries |  | Balance
Commercial | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Commercial and industrial | ​ | $ | 10,205 | ​ | $ | (1,710) | ​ | $ | (1,230) | ​ | $ | 1,660 | ​ | $ | 8,925
Real estate construction | ​ |  | 658 | ​ |  | 125 | ​ |  | — | ​ |  | — | ​ |  | 783
Commercial real estate | ​ |  | 14,105 | ​ |  | (2,015) | ​ |  | (536) | ​ |  | 822 | ​ |  | 12,376
Total commercial | ​ |  | 24,968 | ​ |  | (3,600) | ​ |  | (1,766) | ​ |  | 2,482 | ​ |  | 22,084
Consumer | ​ |  | ​ | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Residential real estate first mortgage | ​ |  | 5,774 | ​ |  | 758 | ​ |  | — | ​ |  | — | ​ |  | 6,532
Residential real estate junior lien | ​ |  | 1,373 | ​ |  | (201) | ​ |  | — | ​ | ​ | 123 | ​ |  | 1,295
Other revolving and installment | ​ |  | 753 | ​ |  | (259) | ​ |  | (156) | ​ |  | 143 | ​ |  | 481
Total consumer | ​ |  | 7,900 | ​ |  | 298 | ​ |  | (156) | ​ |  | 266 | ​ |  | 8,308
Unallocated | ​ |  | 1,378 | ​ |  | (198) | ​ |  | — | ​ |  | — | ​ |  | 1,180
Total | ​ | $ | 34,246 | ​ | $ | (3,500) | ​ | $ | (1,922) | ​ | $ | 2,748 | ​ | $ | 31,572
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year ended December 31, 2020
​ | ​ | Beginning | ​ | Provision for | ​ | Loan | ​ | Loan | ​ | Ending
(dollars in thousands) |  | Balance |  | Loan Losses |  | Charge-offs |  | Recoveries |  | Balance
Commercial | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Commercial and industrial | ​ | $ | 12,270 | ​ | $ | (2,168) | ​ | $ | (4,249) | ​ | $ | 4,352 | ​ | $ | 10,205
Real estate construction | ​ |  | 303 | ​ |  | 355 | ​ |  | — | ​ |  | — | ​ |  | 658
Commercial real estate | ​ |  | 6,688 | ​ |  | 8,185 | ​ |  | (865) | ​ |  | 97 | ​ |  | 14,105
Total commercial | ​ |  | 19,261 | ​ |  | 6,372 | ​ |  | (5,114) | ​ |  | 4,449 | ​ |  | 24,968
Consumer | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Residential real estate first mortgage | ​ |  | 1,448 | ​ |  | 4,321 | ​ |  | — | ​ |  | 5 | ​ |  | 5,774
Residential real estate junior lien | ​ |  | 671 | ​ |  | 507 | ​ |  | (12) | ​ |  | 207 | ​ |  | 1,373
Other revolving and installment | ​ |  | 352 | ​ |  | 514 | ​ |  | (242) | ​ |  | 129 | ​ |  | 753
Total consumer | ​ |  | 2,471 | ​ |  | 5,342 | ​ |  | (254) | ​ |  | 341 | ​ |  | 7,900
Unallocated | ​ |  | 2,192 | ​ |  | (814) | ​ |  | — | ​ |  | — | ​ |  | 1,378
Total | ​ | $ | 23,924 | ​ | $ | 10,900 | ​ | $ | (5,368) | ​ | $ | 4,790 | ​ | $ | 34,246
​
Schedule of loans distributed by portfolio segment and impairment methodology | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2022
​ | ​ | Recorded Investment | ​ | Allowance for Loan Losses
​ | ​ | Individually | ​ | Collectively | ​ | ​ | ​ | ​ | Individually | ​ | Collectively | ​ | ​ | ​
(dollars in thousands) |  | Evaluated |  | Evaluated |  | Total |  | Evaluated |  | Evaluated |  | Total
Commercial | ​ | ​ |  |  | ​ |  |  | ​ |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial and industrial | ​ | $ | 1,313 | ​ | $ | 582,563 | ​ | $ | 583,876 | ​ | $ | 275 | ​ | $ | 8,883 | ​ | $ | 9,158
Real estate construction | ​ |  | 262 | ​ |  | 97,548 | ​ |  | 97,810 | ​ | ​ | 97 | ​ | ​ | 1,349 | ​ | ​ | 1,446
Commercial real estate | ​ |  | 1,472 | ​ |  | 880,198 | ​ |  | 881,670 | ​ | ​ | 582 | ​ | ​ | 12,106 | ​ | ​ | 12,688
Total commercial | ​ |  | 3,047 | ​ |  | 1,560,309 | ​ |  | 1,563,356 | ​ | ​ | 954 | ​ | ​ | 22,338 | ​ | ​ | 23,292
Consumer | ​ |  |  | ​ |  |  | ​ |  |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Residential real estate first mortgage | ​ |  | 535 | ​ |  | 679,016 | ​ |  | 679,551 | ​ | ​ | — | ​ | ​ | 5,769 | ​ | ​ | 5,769
Residential real estate junior lien | ​ |  | 184 | ​ |  | 150,295 | ​ |  | 150,479 | ​ | ​ | — | ​ | ​ | 1,289 | ​ | ​ | 1,289
Other revolving and installment | ​ |  | 1 | ​ |  | 50,607 | ​ |  | 50,608 | ​ | ​ | — | ​ | ​ | 528 | ​ | ​ | 528
Total consumer | ​ |  | 720 | ​ |  | 879,918 | ​ |  | 880,638 | ​ | ​ | — | ​ | ​ | 7,586 | ​ | ​ | 7,586
Unallocated | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 268
Total loans | ​ | $ | 3,767 | ​ | $ | 2,440,227 | ​ | $ | 2,443,994 | ​ | $ | 954 | ​ | $ | 29,924 | ​ | $ | 31,146
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 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 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 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 | ​ | $ | 675 | ​ | $ | 711 | ​ | $ | 275 | ​ | $ | 445 | ​ | $ | 464 | ​ | $ | 278
Real estate construction | ​ | ​ | 262 | ​ | ​ | 440 | ​ | ​ | 97 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Commercial real estate | ​ |  | 896 | ​ |  | 900 | ​ |  | 582 | ​ |  | 180 | ​ |  | 203 | ​ |  | 5
Residential real estate junior lien | ​ |  | — | ​ |  | — | ​ | ​ | — | ​ | ​ | — | ​ |  | — | ​ | ​ | —
Other revolving and installment | ​ |  | — | ​ |  | — | ​ |  | — | ​ | ​ | — | ​ |  | — | ​ |  | —
Total impaired loans with a valuation allowance | ​ | ​ | 1,833 | ​ | ​ | 2,051 | ​ | ​ | 954 | ​ | ​ | 625 | ​ | ​ | 667 | ​ | ​ | 283
Impaired loans without a valuation allowance |  | ​ |  |  | ​ |  |  | ​ |  | ​ | ​ |  |  | ​ |  |  | ​ |
Commercial and industrial | ​ | ​ | 638 | ​ | ​ | 767 | ​ | ​ | — | ​ | ​ | 1,386 | ​ | ​ | 1,575 | ​ | ​ | —
Real estate construction | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Commercial real estate | ​ |  | 576 | ​ | ​ | 660 | ​ |  | — | ​ | ​ | 629 | ​ |  | 684 | ​ |  | —
Residential real estate first mortgage | ​ |  | 535 | ​ |  | 573 | ​ |  | — | ​ | ​ | 21 | ​ |  | 24 | ​ |  | —
Residential real estate junior lien | ​ |  | 184 | ​ |  | 218 | ​ |  | — | ​ | ​ | 91 | ​ |  | 120 | ​ |  | —
Other revolving and installment | ​ |  | 1 | ​ |  | 1 | ​ |  | — | ​ | ​ | — | ​ |  | — | ​ |  | —
Total impaired loans without a valuation allowance | ​ | ​ | 1,934 | ​ | ​ | 2,219 | ​ | ​ | — | ​ | ​ | 2,127 | ​ | ​ | 2,403 | ​ | ​ | —
Total impaired loans | ​ |  |  | ​ |  |  | ​ |  |  | ​ | ​ |  | ​ |  |  | ​ |  |
Commercial and industrial | ​ | ​ | 1,313 | ​ | ​ | 1,478 | ​ | ​ | 275 | ​ | ​ | 1,831 | ​ | ​ | 2,039 | ​ | ​ | 278
Real estate construction | ​ | ​ | 262 | ​ | ​ | 440 | ​ | ​ | 97 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Commercial real estate | ​ |  | 1,472 | ​ |  | 1,560 | ​ |  | 582 | ​ |  | 809 | ​ |  | 887 | ​ |  | 5
Residential real estate first mortgage | ​ | ​ | 535 | ​ | ​ | 573 | ​ | ​ | — | ​ | ​ | 21 | ​ | ​ | 24 | ​ | ​ | —
Residential real estate junior lien | ​ |  | 184 | ​ |  | 218 | ​ |  | — | ​ |  | 91 | ​ |  | 120 | ​ |  | —
Other revolving and installment | ​ |  | 1 | ​ |  | 1 | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | —
Total impaired loans | ​ | $ | 3,767 | ​ | $ | 4,270 | ​ | $ | 954 | ​ | $ | 2,752 | ​ | $ | 3,070 | ​ | $ | 283
​ The table below presents the average recorded investment in impaired loans and interest income for the three years ending December 31, 2022, 2021, and 2020:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31,
​ | ​ | 2022 | ​ | 2021 | ​ | 2020
​ | ​ | Average | ​ | ​ | ​ | ​ | Average | ​ | ​ | ​ | ​ | Average | ​ | ​ | ​
​ | ​ | Recorded | ​ | Interest | ​ | Recorded | ​ | Interest | ​ | Recorded | ​ | Interest
(dollars in thousands) |  | Investment |  | Income |  | Investment |  | Income |  | Investment |  | Income
Impaired loans with a valuation allowance | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ | ​ | ​ | ​ | ​ | ​
Commercial and industrial | ​ | $ | 722 | ​ | $ | 13 | ​ | $ | 517 | ​ | $ | 13 | ​ | $ | 765 | ​ | $ | 14
Real estate construction | ​ | ​ | 442 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Commercial real estate | ​ |  | 935 | ​ |  | — | ​ |  | 187 | ​ |  | 7 | ​ | ​ | 3,972 | ​ |  | 138
Residential real estate junior lien | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | — | ​ | ​ | 19 | ​ |  | —
Other revolving and installment | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | — | ​ | ​ | 28 | ​ |  | —
Total impaired loans with a valuation allowance | ​ | ​ | 2,099 | ​ | ​ | 13 | ​ | ​ | 704 | ​ | ​ | 20 | ​ | ​ | 4,784 | ​ | ​ | 152
Impaired loans without a valuation allowance | ​ | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Commercial and industrial | ​ | ​ | 707 | ​ | ​ | — | ​ | ​ | 1,988 | ​ | ​ | 20 | ​ | ​ | 4,151 | ​ | ​ | 25
Real estate construction | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Commercial real estate | ​ |  | 618 | ​ |  | — | ​ |  | 672 | ​ |  | — | ​ | ​ | 1,614 | ​ |  | —
Residential real estate first mortgage | ​ |  | 575 | ​ |  | — | ​ |  | 23 | ​ |  | — | ​ | ​ | 461 | ​ |  | —
Residential real estate junior lien | ​ |  | 191 | ​ |  | — | ​ |  | 98 | ​ | ​ | — | ​ | ​ | 234 | ​ | ​ | 3
Other revolving and installment | ​ |  | 1 | ​ |  | — | ​ |  | 1 | ​ |  | — | ​ | ​ | — | ​ |  | —
Total impaired loans without a valuation allowance | ​ | ​ | 2,092 | ​ | ​ | — | ​ | ​ | 2,782 | ​ | ​ | 20 | ​ | ​ | 6,460 | ​ | ​ | 28
Total impaired loans | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ | ​ |  | ​ |  |
Commercial and industrial | ​ | ​ | 1,429 | ​ | ​ | 13 | ​ | ​ | 2,505 | ​ | ​ | 33 | ​ | ​ | 4,916 | ​ | ​ | 39
Real estate construction | ​ | ​ | 442 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Commercial real estate | ​ |  | 1,553 | ​ |  | — | ​ |  | 859 | ​ |  | 7 | ​ | ​ | 5,586 | ​ |  | 138
Residential real estate first mortgage | ​ |  | 575 | ​ |  | — | ​ |  | 23 | ​ |  | — | ​ | ​ | 461 | ​ |  | —
Residential real estate junior lien | ​ |  | 191 | ​ |  | — | ​ |  | 98 | ​ |  | — | ​ | ​ | 253 | ​ |  | 3
Other revolving and installment | ​ |  | 1 | ​ |  | — | ​ |  | 1 | ​ |  | — | ​ | ​ | 28 | ​ |  | —
Total impaired loans | ​ | $ | 4,191 | ​ | $ | 13 | ​ | $ | 3,486 | ​ | $ | 40 | ​ | $ | 11,244 | ​ | $ | 180
​

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