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Loans and Allowance for Credit Losses (Tables) | 9 Months Ended
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Sep. 30, 2023
Loans and Allowance for Credit Losses |
Schedule of total loans outstanding by portfolio segment | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | September 30, |  | December 31,
(dollars in thousands) |  | 2023 |  | 2022
Commercial | ​ | ​ | ​ | ​ | ​ | ​
Commercial and industrial | ​ | $ | 582,387 | ​ | $ | 583,876
Real estate construction | ​ |  | 97,742 | ​ |  | 97,810
Commercial real estate | ​ |  | 1,025,014 | ​ |  | 881,670
Total commercial | ​ |  | 1,705,143 | ​ |  | 1,563,356
Consumer | ​ |  |  | ​ |  |
Residential real estate first mortgage | ​ |  | 717,793 | ​ |  | 679,551
Residential real estate junior lien | ​ |  | 152,677 | ​ |  | 150,479
Other revolving and installment | ​ |  | 30,817 | ​ |  | 50,608
Total consumer | ​ |  | 901,287 | ​ |  | 880,638
Total loans | ​ | $ | 2,606,430 | ​ | $ | 2,443,994
Schedule of past due aging analysis of the loan portfolio | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 2023
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 90 Days | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Accruing | ​ | 30 - 89 Days | ​ | or More | ​ | ​ | ​ | ​ | Total
(dollars in thousands) |  | Current |  | Past Due |  | Past Due |  | Nonaccrual |  | Loans
Commercial |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Commercial and industrial | ​ | $ | 572,898 | ​ | $ | 2,929 | ​ | $ | — | ​ | $ | 6,560 | ​ | $ | 582,387
Real estate construction | ​ |  | 97,627 | ​ |  | — | ​ |  | — | ​ |  | 115 | ​ |  | 97,742
Commercial real estate | ​ |  | 1,024,118 | ​ |  | — | ​ |  | — | ​ |  | 896 | ​ |  | 1,025,014
Total commercial | ​ |  | 1,694,643 | ​ |  | 2,929 | ​ |  | — | ​ |  | 7,571 | ​ |  | 1,705,143
Consumer | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Residential real estate first mortgage | ​ |  | 716,799 | ​ |  | 108 | ​ |  | — | ​ | ​ | 886 | ​ |  | 717,793
Residential real estate junior lien | ​ |  | 151,593 | ​ |  | 538 | ​ |  | — | ​ |  | 546 | ​ |  | 152,677
Other revolving and installment | ​ |  | 30,635 | ​ |  | 178 | ​ |  | — | ​ |  | 4 | ​ |  | 30,817
Total consumer | ​ |  | 899,027 | ​ |  | 824 | ​ |  | — | ​ |  | 1,436 | ​ |  | 901,287
Total loans | ​ | $ | 2,593,670 | ​ | $ | 3,753 | ​ | $ | — | ​ | $ | 9,007 | ​ | $ | 2,606,430
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 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
Schedule of amortized cost basis on nonaccrual status loans | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As of September 30, 2023
​ | ​ | Nonaccrual | ​ | ​ | ​ | ​ | 90 Days
​ | ​ | with no Allowance | ​ | ​ | ​ | ​ | or More
(dollars in thousands) | ​ | for Credit Losses | ​ | Nonaccrual | ​ | Past Due
Commercial | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial and industrial | ​ | $ | — | ​ | $ | 6,560 | ​ | $ | —
Real estate construction | ​ | ​ | 115 | ​ | ​ | 115 | ​ | ​ | —
Commercial real estate | ​ | ​ | — | ​ | ​ | 896 | ​ | ​ | —
Total commercial | ​ | ​ | 115 | ​ | ​ | 7,571 | ​ | ​ | —
Consumer | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Residential real estate first mortgage | ​ | ​ | 880 | ​ | ​ | 886 | ​ | ​ | —
Residential real estate junior lien | ​ | ​ | 46 | ​ | ​ | 546 | ​ | ​ | —
Other revolving and installment | ​ | ​ | — | ​ | ​ | 4 | ​ | ​ | —
Total consumer | ​ | ​ | 926 | ​ | ​ | 1,436 | ​ | ​ | —
Total loans | ​ | $ | 1,041 | ​ | $ | 9,007 | ​ | $ | —
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2022
​ | ​ | Nonaccrual | ​ | ​ | ​ | ​ | 90 Days
​ | ​ | with no Allowance | ​ | ​ | ​ | ​ | or More
(dollars in thousands) | ​ | for Credit Losses | ​ | Nonaccrual | ​ | Past Due
Commercial | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial and industrial | ​ | $ | 638 | ​ | $ | 1,162 | ​ | $ | —
Real estate construction | ​ | ​ | — | ​ | ​ | 440 | ​ | ​ | —
Commercial real estate | ​ | ​ | 576 | ​ | ​ | 1,472 | ​ | ​ | —
Total commercial | ​ | ​ | 1,214 | ​ | ​ | 3,074 | ​ | ​ | —
Consumer | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Residential real estate first mortgage | ​ | ​ | 535 | ​ | ​ | 535 | ​ | ​ | —
Residential real estate junior lien | ​ | ​ | 184 | ​ | ​ | 184 | ​ | ​ | —
Other revolving and installment | ​ | ​ | 1 | ​ | ​ | 1 | ​ | ​ | —
Total consumer | ​ | ​ | 720 | ​ | ​ | 720 | ​ | ​ | —
Total loans | ​ | $ | 1,934 | ​ | $ | 3,794 | ​ | $ | —
Schedule of loans outstanding, by portfolio segment and risk category | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Revolving | ​ | ​ | ​
(dollars in thousands) |  | Term Loans Amortized Cost Basis by Origination Year | ​ | Loans Amortized | ​ | ​ | ​
As of September 30, 2023 | ​ | 2023 | ​ | 2022 | ​ | 2021 | ​ | 2020 | ​ | 2019 | ​ | Prior | ​ | Cost Basis | ​ | Total
Commercial and industrial | ​ | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​
Pass | ​ | $ | 104,091 | ​ | $ | 107,346 | ​ | $ | 75,494 | ​ | $ | 67,184 | ​ | $ | 37,877 | ​ | $ | 50,189 | ​ | $ | 108,524 | ​ | $ | 550,705
Special mention | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 273 | ​ | ​ | 273
Substandard | ​ | ​ | 117 | ​ | ​ | 5,052 | ​ | ​ | 377 | ​ | ​ | 8,064 | ​ | ​ | 104 | ​ | ​ | 2,214 | ​ | ​ | 15,481 | ​ | ​ | 31,409
Doubtful | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Subtotal | ​ | ​ | 104,208 | ​ | ​ | 112,398 | ​ | ​ | 75,871 | ​ | ​ | 75,248 | ​ | ​ | 37,981 | ​ | ​ | 52,403 | ​ | ​ | 124,278 | ​ | ​ | 582,387
Real estate construction | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | ​ | 14,284 | ​ | ​ | 39,029 | ​ | ​ | 18,594 | ​ | ​ | 144 | ​ | ​ | 9,506 | ​ | ​ | 1,054 | ​ | ​ | — | ​ | ​ | 82,611
Special mention | ​ | ​ | — | ​ | ​ | 15,131 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 15,131
Substandard | ​ | ​ | — |  | ​ | — |  | ​ | — |  | ​ | — |  | ​ | — |  | ​ | — | ​ | ​ | — |  | ​ | —
Doubtful | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Subtotal | ​ | ​ | 14,284 | ​ | ​ | 54,160 | ​ | ​ | 18,594 | ​ | ​ | 144 | ​ | ​ | 9,506 | ​ | ​ | 1,054 | ​ | ​ | — | ​ | ​ | 97,742
Commercial real estate | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | ​ | 151,721 | ​ | ​ | 277,347 | ​ | ​ | 140,323 | ​ | ​ | 158,590 | ​ | ​ | 108,798 | ​ | ​ | 164,538 | ​ | ​ | 16,765 | ​ | ​ | 1,018,082
Special mention | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Substandard | ​ | ​ | — |  | ​ | 97 |  | ​ | 886 |  | ​ | — |  | ​ | 4,157 |  | ​ | 1,792 | ​ | ​ | — |  | ​ | 6,932
Doubtful | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Subtotal | ​ | ​ | 151,721 | ​ | ​ | 277,444 | ​ | ​ | 141,209 | ​ | ​ | 158,590 | ​ | ​ | 112,955 | ​ | ​ | 166,330 | ​ | ​ | 16,765 | ​ | ​ | 1,025,014
Residential real estate first mortgage | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | ​ | 58,972 | ​ | ​ | 203,782 | ​ | ​ | 222,783 | ​ | ​ | 109,029 | ​ | ​ | 33,356 | ​ | ​ | 89,480 | ​ | ​ | 284 | ​ | ​ | 717,686
Special mention | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Substandard | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 107 | ​ | ​ | — | ​ | ​ | 107
Doubtful | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Subtotal | ​ | ​ | 58,972 | ​ | ​ | 203,782 | ​ | ​ | 222,783 | ​ | ​ | 109,029 | ​ | ​ | 33,356 | ​ | ​ | 89,587 | ​ | ​ | 284 | ​ | ​ | 717,793
Residential real estate junior lien | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | ​ | 17,021 | ​ | ​ | 16,755 | ​ | ​ | 6,452 | ​ | ​ | 4,908 | ​ | ​ | 1,779 | ​ | ​ | 6,299 | ​ | ​ | 97,541 | ​ | ​ | 150,755
Special mention | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Substandard | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 331 | ​ | ​ | 1,591 | ​ | ​ | 1,922
Doubtful | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Subtotal | ​ | ​ | 17,021 | ​ | ​ | 16,755 | ​ | ​ | 6,452 | ​ | ​ | 4,908 | ​ | ​ | 1,779 | ​ | ​ | 6,630 | ​ | ​ | 99,132 | ​ | ​ | 152,677
Other revolving and installment | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | ​ | 5,786 | ​ | ​ | 6,936 | ​ | ​ | 1,319 | ​ | ​ | 5,159 | ​ | ​ | 2,000 | ​ | ​ | 1,442 | ​ | ​ | 8,175 | ​ | ​ | 30,817
Special mention | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Substandard | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Doubtful | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Subtotal | ​ | ​ | 5,786 | ​ | ​ | 6,936 | ​ | ​ | 1,319 | ​ | ​ | 5,159 | ​ | ​ | 2,000 | ​ | ​ | 1,442 | ​ | ​ | 8,175 | ​ | ​ | 30,817
Total Loans | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | ​ | 351,875 | ​ | ​ | 651,195 | ​ | ​ | 464,965 | ​ | ​ | 345,014 | ​ | ​ | 193,316 | ​ | ​ | 313,002 | ​ | ​ | 231,289 | ​ | ​ | 2,550,656
Special mention | ​ | ​ | — | ​ | ​ | 15,131 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 273 | ​ | ​ | 15,404
Substandard | ​ | ​ | 117 | ​ | ​ | 5,149 | ​ | ​ | 1,263 | ​ | ​ | 8,064 | ​ | ​ | 4,261 | ​ | ​ | 4,444 | ​ | ​ | 17,072 | ​ | ​ | 40,370
Doubtful | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Total loans | ​ | $ | 351,992 | ​ | $ | 671,475 | ​ | $ | 466,228 | ​ | $ | 353,078 | ​ | $ | 197,577 | ​ | $ | 317,446 | ​ | $ | 248,634 | ​ | $ | 2,606,430
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 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
Summary of changes in allowances | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended September 30, 2023
​ | ​ | Beginning | ​ | Provision for | ​ | Loan | ​ | Loan | ​ | Ending
(dollars in thousands) |  | Balance |  | Credit Losses |  | Charge-offs |  | Recoveries |  | Balance
Commercial |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Commercial and industrial | ​ | $ | 7,813 | ​ | $ | 442 | ​ | $ | (134) | ​ | $ | 456 | ​ | $ | 8,577
Real estate construction | ​ |  | 3,646 | ​ |  | 1,063 | ​ |  | — | ​ |  | — | ​ |  | 4,709
Commercial real estate | ​ |  | 12,965 | ​ |  | (270) | ​ |  | — | ​ |  | 11 | ​ |  | 12,706
Total commercial | ​ |  | 24,424 | ​ |  | 1,235 | ​ |  | (134) | ​ |  | 467 | ​ |  | 25,992
Consumer | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Residential real estate first mortgage | ​ |  | 7,901 | ​ |  | (389) | ​ |  | (9) | ​ |  | 254 | ​ |  | 7,757
Residential real estate junior lien | ​ |  | 1,351 | ​ |  | (14) | ​ |  | — | ​ |  | — | ​ |  | 1,337
Other revolving and installment | ​ |  | 293 | ​ |  | (58) | ​ |  | (8) | ​ |  | 24 | ​ |  | 251
Total consumer | ​ |  | 9,545 | ​ |  | (461) | ​ |  | (17) | ​ |  | 278 | ​ |  | 9,345
Unallocated | ​ |  | 1,727 | ​ |  | (774) | ​ |  | — | ​ |  | — | ​ |  | 953
Total | ​ | $ | 35,696 | ​ | $ | — | ​ | $ | (151) | ​ | $ | 745 | ​ | $ | 36,290
​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Nine months ended September 30, 2023
​ | ​ | Beginning | ​ | Adoption | ​ | Provision for | ​ | Loan | ​ | Loan | ​ | Ending
(dollars in thousands) |  | Balance |  | of ASC 326 |  | Credit Losses(1) |  | Charge-offs |  | Recoveries |  | Balance
Commercial | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial and industrial | ​ | $ | 9,158 | ​ | $ | (862) | ​ | $ | (275) | ​ | $ | (394) | ​ | $ | 950 | ​ | $ | 8,577
Real estate construction | ​ | ​ | 1,446 | ​ | ​ | 2,518 | ​ | ​ | 745 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 4,709
Commercial real estate | ​ | ​ | 12,688 | ​ | ​ | (424) | ​ | ​ | 408 | ​ | ​ | — | ​ | ​ | 34 | ​ | ​ | 12,706
Total commercial | ​ | ​ | 23,292 | ​ | ​ | 1,232 | ​ | ​ | 878 | ​ | ​ | (394) | ​ | ​ | 984 | ​ | ​ | 25,992
Consumer | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Residential real estate first mortgage | ​ | ​ | 5,769 | ​ | ​ | 2,080 | ​ | ​ | (339) | ​ | ​ | (9) | ​ | ​ | 256 | ​ | ​ | 7,757
Residential real estate junior lien | ​ | ​ | 1,289 | ​ | ​ | (67) | ​ | ​ | 140 | ​ | ​ | (77) | ​ | ​ | 52 | ​ | ​ | 1,337
Other revolving and installment | ​ | ​ | 528 | ​ | ​ | (104) | ​ | ​ | (188) | ​ | ​ | (36) | ​ | ​ | 51 | ​ | ​ | 251
Total consumer | ​ | ​ | 7,586 | ​ | ​ | 1,909 | ​ | ​ | (387) | ​ | ​ | (122) | ​ | ​ | 359 | ​ | ​ | 9,345
Unallocated | ​ | ​ | 268 | ​ | ​ | 716 | ​ | ​ | (31) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 953
Total | ​ | $ | 31,146 | ​ | $ | 3,857 | ​ | $ | 460 | ​ | $ | (516) | ​ | $ | 1,343 | ​ | $ | 36,290
(1) | The difference in the credit loss expense reported herein compared to the Consolidated Statements of Income is associated with the credit loss expense of $44 thousand related to off-balance sheet credit exposures and $46 thousand related to investment securities held-to-maturity.
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended September 30, 2022
​ | ​ | Beginning | ​ | Provision for | ​ | Loan | ​ | Loan | ​ | Ending
(dollars in thousands) |  | Balance |  | Loan Losses |  | Charge-offs |  | Recoveries |  | Balance
Commercial | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial and industrial | ​ | $ | 10,333 | ​ | $ | (845) | ​ | $ | (672) | ​ | $ | 105 | ​ | $ | 8,921
Real estate construction | ​ | ​ | 878 | ​ |  | 378 | ​ |  | — | ​ |  | 76 | ​ | ​ | 1,332
Commercial real estate | ​ | ​ | 10,834 | ​ |  | 1,335 | ​ |  | — | ​ |  | 101 | ​ | ​ | 12,270
Total commercial | ​ | ​ | 22,045 | ​ |  | 868 | ​ |  | (672) | ​ |  | 282 | ​ | ​ | 22,523
Consumer | ​ | ​ | ​ | ​ |  |  | ​ |  |  | ​ |  |  | ​ | ​ | ​
Residential real estate first mortgage | ​ | ​ | 6,175 | ​ |  | (584) | ​ |  | — | ​ |  | — | ​ | ​ | 5,591
Residential real estate junior lien | ​ | ​ | 1,467 | ​ |  | (109) | ​ |  | — | ​ |  | 7 | ​ | ​ | 1,365
Other revolving and installment | ​ | ​ | 634 | ​ |  | (75) | ​ |  | (75) | ​ |  | 53 | ​ | ​ | 537
Total consumer | ​ | ​ | 8,276 | ​ | ​ | (768) | ​ | ​ | (75) | ​ | ​ | 60 | ​ | ​ | 7,493
Unallocated | ​ | ​ | 1,052 | ​ |  | (100) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 952
Total | ​ | $ | 31,373 | ​ | $ | — | ​ | $ | (747) | ​ | $ | 342 | ​ | $ | 30,968
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Nine months ended September 30, 2022
​ | ​ | Beginning | ​ | Provision for | ​ | Loan | ​ | Loan | ​ | Ending
(dollars in thousands) |  | Balance |  | Loan Losses |  | Charge-offs |  | Recoveries |  | Balance
Commercial | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Commercial and industrial | ​ | $ | 8,925 | ​ | $ | 1,011 | ​ | $ | (1,336) | ​ | $ | 321 | ​ | $ | 8,921
Real estate construction | ​ |  | 783 | ​ |  | 473 | ​ |  | — | ​ |  | 76 | ​ |  | 1,332
Commercial real estate | ​ |  | 12,376 | ​ |  | (229) | ​ |  | — | ​ |  | 123 | ​ |  | 12,270
Total commercial | ​ |  | 22,084 | ​ |  | 1,255 | ​ |  | (1,336) | ​ |  | 520 | ​ |  | 22,523
Consumer | ​ |  | ​ | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Residential real estate first mortgage | ​ |  | 6,532 | ​ |  | (941) | ​ |  | — | ​ |  | — | ​ |  | 5,591
Residential real estate junior lien | ​ |  | 1,295 | ​ |  | (151) | ​ |  | — | ​ | ​ | 221 | ​ |  | 1,365
Other revolving and installment | ​ |  | 481 | ​ |  | 65 | ​ |  | (130) | ​ |  | 121 | ​ |  | 537
Total consumer | ​ |  | 8,308 | ​ |  | (1,027) | ​ |  | (130) | ​ |  | 342 | ​ |  | 7,493
Unallocated | ​ |  | 1,180 | ​ |  | (228) | ​ |  | — | ​ |  | — | ​ |  | 952
Total | ​ | $ | 31,572 | ​ | $ | — | ​ | $ | (1,466) | ​ | $ | 862 | ​ | $ | 30,968
Schedule of summary of charge-offs | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Gross Charge-offs for nine months ended September 30, 2023
(dollars in thousands) | ​ | 2023 | ​ | 2022 | ​ | 2021 | ​ | 2020 | ​ | 2019 | ​ | Prior | ​ | Total
Commercial | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial and industrial | ​ | $ | 39 | ​ | $ | — | ​ | $ | 28 | ​ | $ | 11 | ​ | $ | 247 | ​ | $ | 69 | ​ | $ | 394
Real estate construction | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Commercial real estate | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Total commercial | ​ | ​ | 39 | ​ | ​ | — | ​ | ​ | 28 | ​ | ​ | 11 | ​ | ​ | 247 | ​ | ​ | 69 | ​ | ​ | 394
Consumer | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Residential real estate first mortgage | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 9 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 9
Residential real estate junior lien | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 77 | ​ | ​ | 77
Other revolving and installment | ​ | ​ | — | ​ | ​ | 2 | ​ | ​ | — | ​ | ​ | 27 | ​ | ​ | 4 | ​ | ​ | 3 | ​ | ​ | 36
Total consumer | ​ | ​ | — | ​ | ​ | 2 | ​ | ​ | 9 | ​ | ​ | 27 | ​ | ​ | 4 | ​ | ​ | 80 | ​ | ​ | 122
Total loans | ​ | $ | 39 | ​ | $ | 2 | ​ | $ | 37 | ​ | $ | 38 | ​ | $ | 251 | ​ | $ | 149 | ​ | $ | 516
Schedule of amortized cost and related allowance for credit losses on loans by portfolio segment methodology | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 2023
​ | ​ | Amortized Cost | ​ | Allowance for Credit Losses on Loans
​ | ​ | Individually | ​ | Collectively | ​ | ​ | ​ | ​ | Individually | ​ | Collectively | ​ | ​ | ​
​ | ​ | Evaluated for | ​ | Evaluated for | ​ | ​ | ​ | ​ | Evaluated for | ​ | Evaluated for | ​ | ​ | ​
(dollars in thousands) |  | Impairment |  | Impairment |  | Total |  | Impairment |  | Impairment |  | Total
Commercial | ​ | ​ |  |  | ​ |  |  | ​ |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial and industrial | ​ | $ | 6,559 | ​ | $ | 575,828 | ​ | $ | 582,387 | ​ | $ | 1,352 | ​ | $ | 7,225 | ​ | $ | 8,577
Real estate construction | ​ |  | 115 | ​ |  | 97,627 | ​ |  | 97,742 | ​ | ​ | — | ​ | ​ | 4,709 | ​ | ​ | 4,709
Commercial real estate | ​ |  | 896 | ​ |  | 1,024,118 | ​ |  | 1,025,014 | ​ | ​ | — | ​ | ​ | 12,706 | ​ | ​ | 12,706
Total commercial | ​ |  | 7,570 | ​ |  | 1,697,573 | ​ |  | 1,705,143 | ​ | ​ | 1,352 | ​ | ​ | 24,640 | ​ | ​ | 25,992
Consumer | ​ |  |  | ​ |  |  | ​ |  |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Residential real estate first mortgage | ​ |  | 886 | ​ |  | 716,907 | ​ |  | 717,793 | ​ | ​ | — | ​ | ​ | 7,757 | ​ | ​ | 7,757
Residential real estate junior lien | ​ |  | 547 | ​ |  | 152,130 | ​ |  | 152,677 | ​ | ​ | — | ​ | ​ | 1,337 | ​ | ​ | 1,337
Other revolving and installment | ​ |  | 4 | ​ |  | 30,813 | ​ |  | 30,817 | ​ | ​ | — | ​ | ​ | 251 | ​ | ​ | 251
Total consumer | ​ |  | 1,437 | ​ |  | 899,850 | ​ |  | 901,287 | ​ | ​ | — | ​ | ​ | 9,345 | ​ | ​ | 9,345
Unallocated | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 953
Total loans | ​ | $ | 9,007 | ​ | $ | 2,597,423 | ​ | $ | 2,606,430 | ​ | $ | 1,352 | ​ | $ | 33,985 | ​ | $ | 36,290
​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 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
Schedule of financing receivables collateral dependent loans | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As of September 30, 2023
​ | ​ | Primary Type of Collateral
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Allowance for
(dollars in thousands) | ​ | Real estate | ​ | Equipment | ​ | Other | ​ | Total | ​ | Credit Losses
Commercial | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial and industrial | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | —
Commercial real estate | ​ | ​ | 572 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 572 | ​ | ​ | 572
Total commercial | ​ | ​ | 572 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 572 | ​ | ​ | 572
Consumer | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Residential real estate first mortgage | ​ | ​ | 886 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 886 | ​ | ​ | 3
Residential real estate junior lien | ​ | ​ | 46 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 46 | ​ | ​ | —
Other revolving and installment | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 4 | ​ | ​ | 4 | ​ | ​ | 2
Total consumer | ​ | ​ | 932 | ​ | ​ | — | ​ | ​ | 4 | ​ | ​ | 936 | ​ | ​ | 5
Total loans | ​ | $ | 1,504 | ​ | $ | — | ​ | $ | 4 | ​ | $ | 1,508 | ​ | $ | 577
Schedule of impaired loans | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2022
​ | ​ | Recorded | ​ | Unpaid | ​ | Related
(dollars in thousands) |  | Investment |  | Principal |  | Allowance
Impaired loans with a valuation allowance | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial and industrial | ​ | $ | 675 | ​ | $ | 711 | ​ | $ | 275
Real estate construction | ​ | ​ | 262 | ​ | ​ | 440 | ​ | ​ | 97
Commercial real estate | ​ |  | 896 | ​ |  | 900 | ​ |  | 582
Residential real estate first mortgage | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Total impaired loans with a valuation allowance | ​ | ​ | 1,833 | ​ | ​ | 2,051 | ​ | ​ | 954
Impaired loans without a valuation allowance |  | ​ |  |  | ​ |  |  | ​ |
Commercial and industrial | ​ | ​ | 638 | ​ | ​ | 767 | ​ | ​ | —
Real estate construction | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Commercial real estate | ​ | ​ | 576 | ​ |  | 660 | ​ |  | —
Residential real estate first mortgage | ​ | ​ | 535 | ​ |  | 573 | ​ |  | —
Residential real estate junior lien | ​ | ​ | 184 | ​ |  | 218 | ​ |  | —
Other revolving and installment | ​ | ​ | 1 | ​ |  | 1 | ​ |  | —
Total impaired loans without a valuation allowance | ​ | ​ | 1,934 | ​ | ​ | 2,219 | ​ | ​ | —
Total impaired loans | ​ | ​ |  | ​ |  |  | ​ |  |
Commercial and industrial | ​ | ​ | 1,313 | ​ | ​ | 1,478 | ​ | ​ | 275
Real estate construction | ​ | ​ | 262 | ​ | ​ | 440 | ​ | ​ | 97
Commercial real estate | ​ |  | 1,472 | ​ |  | 1,560 | ​ |  | 582
Residential real estate first mortgage | ​ | ​ | 535 | ​ | ​ | 573 | ​ | ​ | —
Residential real estate junior lien | ​ |  | 184 | ​ |  | 218 | ​ |  | —
Other revolving and installment | ​ |  | 1 | ​ |  | 1 | ​ |  | —
Total impaired loans | ​ | $ | 3,767 | ​ | $ | 4,270 | ​ | $ | 954
​ The table below presents the average recorded investment in impaired loans and interest income for the three and nine months ended September 30, 2022:
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended September 30,
​ | ​ | 2022
​ | ​ | Average | ​ | ​ | ​
​ | ​ | Recorded | ​ | Interest
(dollars in thousands) |  | Investment |  | Income
Impaired loans with a valuation allowance | ​ | ​ | ​ | ​ | ​ | ​
Commercial and industrial | ​ | $ | 722 | ​ | $ | 3
Commercial real estate | ​ | ​ | — | ​ | ​ | —
Residential real estate first mortgage | ​ | ​ | — | ​ | ​ | —
Residential real estate junior lien | ​ | ​ | — | ​ | ​ | —
Other revolving and installment | ​ | ​ | — | ​ | ​ | —
Total impaired loans with a valuation allowance | ​ | ​ | 722 | ​ | ​ | 3
Impaired loans without a valuation allowance |  | ​ | ​ | ​ | ​ | ​
Commercial and industrial | ​ | ​ | 1,371 | ​ | ​ | 7
Commercial real estate | ​ | ​ | 801 | ​ | ​ | 2
Residential real estate first mortgage | ​ | ​ | 2,032 | ​ | ​ | —
Residential real estate junior lien | ​ | ​ | 189 | ​ | ​ | —
Other revolving and installment | ​ | ​ | 8 | ​ | ​ | —
Total impaired loans without a valuation allowance | ​ | ​ | 4,401 | ​ | ​ | 9
Total impaired loans | ​ | ​ | ​ | ​ | ​ | ​
Commercial and industrial | ​ | ​ | 2,093 | ​ | ​ | 10
Commercial real estate | ​ | ​ | 801 | ​ | ​ | 2
Residential real estate first mortgage | ​ | ​ | 2,032 | ​ | ​ | —
Residential real estate junior lien | ​ | ​ | 189 | ​ | ​ | —
Other revolving and installment | ​ | ​ | 8 | ​ | ​ | —
Total impaired loans | ​ | $ | 5,123 | ​ | $ | 12
​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Nine Months Ended September 30,
​ | ​ | 2022
​ | ​ | Average | ​ | ​ | ​
​ | ​ | Recorded | ​ | Interest
(dollars in thousands) |  | Investment |  | Income
Impaired loans with a valuation allowance | ​ |  |  | ​ |  |
Commercial and industrial | ​ | $ | 833 | ​ | $ | 8
Commercial real estate | ​ |  | — | ​ |  | —
Residential real estate first mortgage | ​ | ​ | — | ​ | ​ | —
Residential real estate junior lien | ​ |  | — | ​ |  | —
Other revolving and installment | ​ |  | — | ​ |  | —
Total impaired loans with a valuation allowance | ​ | ​ | 833 | ​ | ​ | 8
Impaired loans without a valuation allowance | ​ | ​ |  |  | ​ |
Commercial and industrial | ​ | ​ | 1,291 | ​ | ​ | 21
Commercial real estate | ​ |  | 805 | ​ |  | 5
Residential real estate first mortgage | ​ |  | 2,108 | ​ |  | —
Residential real estate junior lien | ​ |  | 193 | ​ | ​ | —
Other revolving and installment | ​ |  | 11 | ​ |  | —
Total impaired loans without a valuation allowance | ​ | ​ | 4,408 | ​ | ​ | 26
Total impaired loans | ​ |  |  | ​ |  |
Commercial and industrial | ​ | ​ | 2,124 | ​ | ​ | 29
Commercial real estate | ​ |  | 805 | ​ |  | 5
Residential real estate first mortgage | ​ |  | 2,108 | ​ |  | —
Residential real estate junior lien | ​ |  | 193 | ​ |  | —
Other revolving and installment | ​ |  | 11 | ​ |  | —
Total impaired loans | ​ | $ | 5,241 | ​ | $ | 34
​

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