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Loans and Allowance for Credit Losses on Loans | 3 Months Ended
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Mar. 31, 2023
Loans and Allowance for Credit Losses on Loans |
Loans and Allowance for Credit Losses on Loans | NOTE 4 Loans and Allowance for Credit Losses on Loans The following table presents total loans outstanding, by portfolio segment, as of March 31, 2023 and December 31, 2022: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | March 31, |  | December 31,
(dollars in thousands) |  | 2023 |  | 2022
Commercial | ​ | ​ | ​ | ​ | ​ | ​
Commercial and industrial | ​ | $ | 553,578 | ​ | $ | 583,876
Real estate construction | ​ |  | 108,776 | ​ |  | 97,810
Commercial real estate | ​ |  | 934,324 | ​ |  | 881,670
Total commercial | ​ |  | 1,596,678 | ​ |  | 1,563,356
Consumer | ​ |  |  | ​ |  |
Residential real estate first mortgage | ​ |  | 698,002 | ​ |  | 679,551
Residential real estate junior lien | ​ |  | 152,281 | ​ |  | 150,479
Other revolving and installment | ​ |  | 39,664 | ​ |  | 50,608
Total consumer | ​ |  | 889,947 | ​ |  | 880,638
Total loans | ​ | $ | 2,486,625 | ​ | $ | 2,443,994
​ Total loans included net deferred loan fees and costs of $800 thousand and $919 thousand at March 31, 2023 and December 31, 2022, respectively. Unearned discounts associated with the acquisition of Metro Phoenix Bank totaled $6.9 million as of March 31, 2023. Accrued interest receivable on loans is recorded within accrued interest receivable and totaled $9.2 million at both March 31, 2023 and December 31, 2022. Management monitors the credit quality of its loan portfolio on an ongoing basis. Measurements of delinquency and past due status are based on the contractual terms of each loan. Past due loans are reviewed regularly to identify loans for nonaccrual status. The following tables present a past due aging analysis of total loans outstanding, by portfolio segment, as of March 31, 2023 and December 31, 2022: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | March 31, 2023
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 90 Days | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Accruing | ​ | 30 - 89 Days | ​ | or More | ​ | ​ | ​ | ​ | Total
(dollars in thousands) |  | Current |  | Past Due |  | Past Due |  | Nonaccrual |  | Loans
Commercial |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Commercial and industrial | ​ | $ | 552,921 | ​ | $ | 300 | ​ | $ | — | ​ | $ | 357 | ​ | $ | 553,578
Real estate construction | ​ |  | 108,336 | ​ |  | — | ​ |  | — | ​ |  | 440 | ​ |  | 108,776
Commercial real estate | ​ |  | 933,266 | ​ |  | 162 | ​ |  | — | ​ |  | 896 | ​ |  | 934,324
Total commercial | ​ |  | 1,594,523 | ​ |  | 462 | ​ |  | — | ​ |  | 1,693 | ​ |  | 1,596,678
Consumer | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Residential real estate first mortgage | ​ |  | 697,012 | ​ |  | 566 | ​ |  | — | ​ | ​ | 424 | ​ |  | 698,002
Residential real estate junior lien | ​ |  | 151,703 | ​ |  | 578 | ​ |  | — | ​ |  | — | ​ |  | 152,281
Other revolving and installment | ​ |  | 39,484 | ​ |  | 179 | ​ |  | — | ​ |  | 1 | ​ |  | 39,664
Total consumer | ​ |  | 888,199 | ​ |  | 1,323 | ​ |  | — | ​ |  | 425 | ​ |  | 889,947
Total loans | ​ | $ | 2,482,722 | ​ | $ | 1,785 | ​ | $ | — | ​ | $ | 2,118 | ​ | $ | 2,486,625
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 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
​ ​ In calculating expected credit losses, the Company includes loans on nonaccrual status and loans 90 days or more past due and still accruing. The following table presents the amortized cost basis on nonaccrual status loans and loans 90 days or more past due and still accruing as of March 31, 2023: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As of March 31, 2023
​ | ​ | Nonaccrual | ​ | ​ | ​ | ​ | 90 Days
​ | ​ | with no Allowance | ​ | ​ | ​ | ​ | or More
(dollars in thousands) | ​ | for Credit Losses | ​ | Nonaccrual | ​ | Past Due
Commercial | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial and industrial | ​ | $ | — | ​ | $ | 357 | ​ | $ | —
Real estate construction | ​ | ​ | — | ​ | ​ | 440 | ​ | ​ | —
Commercial real estate | ​ | ​ | — | ​ | ​ | 896 | ​ | ​ | —
Total commercial | ​ | ​ | — | ​ | ​ | 1,693 | ​ | ​ | —
Consumer | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Residential real estate first mortgage | ​ | ​ | 120 | ​ | ​ | 424 | ​ | ​ | —
Residential real estate junior lien | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Other revolving and installment | ​ | ​ | — | ​ | ​ | 1 | ​ | ​ | —
Total consumer | ​ | ​ | 120 | ​ | ​ | 425 | ​ | ​ | —
Total loans | ​ | $ | 120 | ​ | $ | 2,118 | ​ | $ | —
​ Loans with a carrying value of $1.6 billion as of March 31, 2023 and $1.5 billion as of December 31, 2022, were pledged to secure public deposits, and for other purposes required or permitted by law. A loan for which the terms have been modified resulting in a concession represents a loan experiencing financial difficulty. Loans experiencing financial difficulty can include modifications for an interest rate reduction below current market rates, a forgiveness of principal balance, an extension of the loan term, an other than significant payment delay, or some combination of similar types of modifications. During the first quarter of 2023, the Company did not provide any modifications to loans under these circumstances that were experiencing financial difficulty. The Company’s consumer loan portfolio is primarily comprised of secured loans that are evaluated at origination on a centralized basis against standardized underwriting criteria. The Company generally does not risk rate consumer loans unless a default event such as bankruptcy or extended nonperformance takes place. Credit quality for the consumer loan portfolio is measured by delinquency rates, nonaccrual amounts and actual losses incurred. The Company assigns a risk rating to all commercial loans, except pools of homogeneous loans, and performs detailed internal and external reviews of risk rated loans over a certain threshold to identify credit risks and to assess the overall collectability of the portfolio. These risk ratings are also subject to examination by the Company’s regulators. During the internal reviews, management monitors and analyzes the financial condition of borrowers and guarantors, trends in the industries in which the borrowers operate and the estimated fair values of collateral securing the loans. These credit quality indicators are used to assign a risk rating to each individual loan. The Company’s ratings are aligned to pass and criticized categories. The criticized category includes special mention, substandard, and doubtful risk ratings. The risk ratings are defined as follows: Pass: A pass loan is a credit with no existing or known potential weaknesses deserving of management’s close attention. Special Mention: Loans classified as special mention have a potential weakness that deserves management’s close attention. If left uncorrected, this potential weakness may result in deterioration of the repayment prospects for the loan or of the Company’s credit position at some future date. Special mention loans are not adversely classified and do not expose the Company to sufficient risk to warrant adverse classification. Substandard: Loans classified as substandard are not adequately protected by the current net worth and paying capacity of the borrower or of the collateral pledged, if any. Loans classified as substandard have a well-defined weakness or weaknesses that jeopardize the repayment of the debt. Well-defined weaknesses include a borrower’s lack of marketability, inadequate cash flow or collateral support, failure to complete construction on time, or the failure to fulfill economic expectations. They are characterized by the distinct possibility that the Company will sustain some loss if the deficiencies are not corrected. Doubtful: Loans classified as doubtful have all the weaknesses inherent in those classified as substandard, with the added characteristic that the weaknesses make collection or repayment in full, on the basis of currently existing facts, conditions, and values, highly questionable and improbable. Loss: Loans classified as loss are considered uncollectible and charged off immediately. The following table sets forth the amortized cost basis of loans by credit quality indicator and vintage based on the most recent analysis performed, as of March 31, 2023: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Revolving | ​ | ​ | ​
(dollars in thousands) |  | Term Loans Amortized Cost Basis by Origination Year | ​ | Loans Amortized | ​ | ​ | ​
As of March 31, 2023 | ​ | 2023 | ​ | 2022 | ​ | 2021 | ​ | 2020 | ​ | 2019 | ​ | Prior | ​ | Cost Basis | ​ | Total
Commercial and industrial | ​ | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​
Pass | ​ | $ | 40,436 | ​ | $ | 142,529 | ​ | $ | 92,778 | ​ | $ | 88,486 | ​ | $ | 42,374 | ​ | $ | 22,866 | ​ | $ | 98,960 | ​ | $ | 528,429
Substandard | ​ | ​ | — | ​ | ​ | 1,970 | ​ | ​ | 1,033 | ​ | ​ | 6 | ​ | ​ | 440 | ​ | ​ | 749 | ​ | ​ | 20,951 | ​ | ​ | 25,149
Subtotal | ​ | ​ | 40,436 | ​ | ​ | 144,499 | ​ | ​ | 93,811 | ​ | ​ | 88,492 | ​ | ​ | 42,814 | ​ | ​ | 23,615 | ​ | ​ | 119,911 | ​ | ​ | 553,578
Real estate construction | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | ​ | — | ​ | ​ | 41,291 | ​ | ​ | 31,177 | ​ | ​ | 27,531 | ​ | ​ | 8,337 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 108,336
Substandard | ​ | ​ | — |  | ​ | — |  | ​ | — |  | ​ | 440 |  | ​ | — |  | ​ | — |  | ​ | — |  | ​ | 440
Subtotal | ​ | ​ | — | ​ | ​ | 41,291 | ​ | ​ | 31,177 | ​ | ​ | 27,971 | ​ | ​ | 8,337 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 108,776
Commercial real estate | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | ​ | 63,474 | ​ | ​ | 295,580 | ​ | ​ | 165,134 | ​ | ​ | 155,213 | ​ | ​ | 120,223 | ​ | ​ | 121,249 | ​ | ​ | 5,423 | ​ | ​ | 926,296
Substandard | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 1,559 | ​ | ​ | — | ​ | ​ | 4,157 | ​ | ​ | 2,312 | ​ | ​ | — | ​ | ​ | 8,028
Subtotal | ​ | ​ | 63,474 | ​ | ​ | 295,580 | ​ | ​ | 166,693 | ​ | ​ | 155,213 | ​ | ​ | 124,380 | ​ | ​ | 123,561 | ​ | ​ | 5,423 | ​ | ​ | 934,324
Residential real estate first mortgage | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | ​ | 26,898 | ​ | ​ | 194,425 | ​ | ​ | 228,747 | ​ | ​ | 116,075 | ​ | ​ | 36,246 | ​ | ​ | 94,149 | ​ | ​ | 1,293 | ​ | ​ | 697,833
Special mention | ​ | ​ | — | ​ | ​ | 61 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 61
Substandard | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 108 | ​ | ​ | — | ​ | ​ | 108
Subtotal | ​ | ​ | 26,898 | ​ | ​ | 194,486 | ​ | ​ | 228,747 | ​ | ​ | 116,075 | ​ | ​ | 36,246 | ​ | ​ | 94,257 | ​ | ​ | 1,293 | ​ | ​ | 698,002
Residential real estate junior lien | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | ​ | 3,005 | ​ | ​ | 12,380 | ​ | ​ | 6,864 | ​ | ​ | 5,278 | ​ | ​ | 2,136 | ​ | ​ | 5,260 | ​ | ​ | 116,948 | ​ | ​ | 151,871
Substandard | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 410 | ​ | ​ | 410
Subtotal | ​ | ​ | 3,005 | ​ | ​ | 12,380 | ​ | ​ | 6,864 | ​ | ​ | 5,278 | ​ | ​ | 2,136 | ​ | ​ | 5,260 | ​ | ​ | 117,358 | ​ | ​ | 152,281
Other revolving and installment | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | ​ | 1,674 | ​ | ​ | 9,968 | ​ | ​ | 1,685 | ​ | ​ | 7,278 | ​ | ​ | 3,075 | ​ | ​ | 2,768 | ​ | ​ | 13,215 | ​ | ​ | 39,663
Substandard | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 1 | ​ | ​ | — | ​ | ​ | 1
Subtotal | ​ | ​ | 1,674 | ​ | ​ | 9,968 | ​ | ​ | 1,685 | ​ | ​ | 7,278 | ​ | ​ | 3,075 | ​ | ​ | 2,769 | ​ | ​ | 13,215 | ​ | ​ | 39,664
Total loans | ​ | $ | 135,487 | ​ | $ | 698,204 | ​ | $ | 528,977 | ​ | $ | 400,307 | ​ | $ | 216,988 | ​ | $ | 249,462 | ​ | $ | 257,200 | ​ | $ | 2,486,625
​ ​ The following table sets forth the risk category of loans by class of loans and credit quality indicator used on the most recent analysis performed as of December 31, 2022: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 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
​ The adequacy of the allowance for credit losses on loans is assessed at the end of each quarter. The allowance for credit losses is estimated using relevant information, from internal and external sources, relating to past events, current conditions, and reasonable supportable forecasts. Historical data is evaluated in multiple components of the expected credit loss, including the reasonable and supportable forecast of each loan segment. The historical experience is used to infer probability of default and loss given the reasonable and supportable forecast period. Qualitative reserves reflect management’s overall estimate of the extent to which current expected credit losses on collectively evaluated loans will differ from historical loss experience. The analysis takes into consideration other analytics performed within the organization, such as enterprise and concentration management, along with other credit-related analytics as deemed appropriate. The following tables present, by loan portfolio segment, a summary of the changes in the allowance for credit losses on loans for the three months ended March 31, 2023 and 2022: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended March 31, 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) | ​ | $ | (377) | ​ | $ | (175) | ​ | $ | 56 | ​ | $ | 7,800
Real estate construction | ​ | ​ | 1,446 | ​ | ​ | 2,518 | ​ | ​ | 442 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 4,406
Commercial real estate | ​ | ​ | 12,688 | ​ | ​ | (424) | ​ | ​ | 69 | ​ | ​ | — | ​ | ​ | 11 | ​ | ​ | 12,344
Total commercial | ​ | ​ | 23,292 | ​ | ​ | 1,232 | ​ | ​ | 134 | ​ | ​ | (175) | ​ | ​ | 67 | ​ | ​ | 24,550
Consumer | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Residential real estate first mortgage | ​ | ​ | 5,769 | ​ | ​ | 2,080 | ​ | ​ | 209 | ​ | ​ | — | ​ | ​ | 2 | ​ | ​ | 8,060
Residential real estate junior lien | ​ | ​ | 1,289 | ​ | ​ | (67) | ​ | ​ | 126 | ​ | ​ | (77) | ​ | ​ | 6 | ​ | ​ | 1,277
Other revolving and installment | ​ | ​ | 528 | ​ | ​ | (104) | ​ | ​ | (117) | ​ | ​ | (5) | ​ | ​ | 12 | ​ | ​ | 314
Total consumer | ​ | ​ | 7,586 | ​ | ​ | 1,909 | ​ | ​ | 218 | ​ | ​ | (82) | ​ | ​ | 20 | ​ | ​ | 9,651
Unallocated | ​ | ​ | 268 | ​ | ​ | 716 | ​ | ​ | (83) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 901
Total | ​ | $ | 31,146 | ​ | $ | 3,857 | ​ | $ | 269 | ​ | $ | (257) | ​ | $ | 87 | ​ | $ | 35,102
(1) | The difference in the credit loss expense reported herein as compared to the Consolidated Statements of Income is associated with the credit loss expense of $230 thousand related to off-balance sheet credit exposures and $51 thousand related to investment securities held-to-maturity.
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended March 31, 2022
​ | ​ | Beginning | ​ | Provision for | ​ | Loan | ​ | Loan | ​ | Ending
(dollars in thousands) |  | Balance |  | Loan Losses |  | Charge-offs |  | Recoveries |  | Balance
Commercial | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Commercial and industrial | ​ | $ | 8,925 | ​ | $ | 771 | ​ | $ | (27) | ​ | $ | 126 | ​ | $ | 9,795
Real estate construction | ​ |  | 783 | ​ |  | 27 | ​ |  | — | ​ |  | — | ​ |  | 810
Commercial real estate | ​ |  | 12,376 | ​ |  | (441) | ​ |  | — | ​ |  | 11 | ​ |  | 11,946
Total commercial | ​ |  | 22,084 | ​ |  | 357 | ​ |  | (27) | ​ |  | 137 | ​ |  | 22,551
Consumer | ​ |  | ​ | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Residential real estate first mortgage | ​ |  | 6,532 | ​ |  | 129 | ​ |  | — | ​ |  | — | ​ |  | 6,661
Residential real estate junior lien | ​ |  | 1,295 | ​ |  | 92 | ​ |  | — | ​ | ​ | 13 | ​ |  | 1,400
Other revolving and installment | ​ |  | 481 | ​ |  | 145 | ​ |  | (18) | ​ |  | 36 | ​ |  | 644
Total consumer | ​ |  | 8,308 | ​ |  | 366 | ​ |  | (18) | ​ |  | 49 | ​ |  | 8,705
Unallocated | ​ |  | 1,180 | ​ |  | (723) | ​ |  | — | ​ |  | — | ​ |  | 457
Total | ​ | $ | 31,572 | ​ | $ | — | ​ | $ | (45) | ​ | $ | 186 | ​ | $ | 31,713
​ The following table presents, by loan portfolio segment, a summary of charge-offs, by vintage, for the three months ended March 31, 2023: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Gross Charge-offs for the three months ended March 31, 2023
(dollars in thousands) | ​ | 2023 | ​ | 2022 | ​ | 2021 | ​ | 2020 | ​ | 2019 | ​ | Prior | ​ | Total
Commercial | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial and industrial | ​ | $ | (16) | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | (159) | ​ | $ | — | ​ | $ | (175)
Real estate construction | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Commercial real estate | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Total commercial | ​ | ​ | (16) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (159) | ​ | ​ | — | ​ | ​ | (175)
Consumer | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Residential real estate first mortgage | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Residential real estate junior lien | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (77) | ​ | ​ | (77)
Other revolving and installment | ​ | ​ | — | ​ | ​ | (2) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (3) | ​ | ​ | — | ​ | ​ | (5)
Total consumer | ​ | ​ | — | ​ | ​ | (2) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (3) | ​ | ​ | (77) | ​ | ​ | (82)
Total loans | ​ | $ | (16) | ​ | $ | (2) | ​ | $ | — | ​ | $ | — | ​ | $ | (162) | ​ | $ | (77) | ​ | $ | (257)
​ The following tables present the amortized cost and the related allowance for credit losses on loans, by portfolio segment, as of March 31, 2023 and December 31, 2022: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | March 31, 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 | ​ | $ | 1,095 | ​ | $ | 552,483 | ​ | $ | 553,578 | ​ | $ | 215 | ​ | $ | 7,585 | ​ | $ | 7,800
Real estate construction | ​ |  | 262 | ​ |  | 108,514 | ​ |  | 108,776 | ​ | ​ | — | ​ | ​ | 4,406 | ​ | ​ | 4,406
Commercial real estate | ​ |  | 896 | ​ |  | 933,428 | ​ |  | 934,324 | ​ | ​ | — | ​ | ​ | 12,344 | ​ | ​ | 12,344
Total commercial | ​ |  | 2,253 | ​ |  | 1,594,425 | ​ |  | 1,596,678 | ​ | ​ | 215 | ​ | ​ | 24,335 | ​ | ​ | 24,550
Consumer | ​ |  |  | ​ |  |  | ​ |  |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Residential real estate first mortgage | ​ |  | 424 | ​ |  | 697,578 | ​ |  | 698,002 | ​ | ​ | 73 | ​ | ​ | 7,987 | ​ | ​ | 8,060
Residential real estate junior lien | ​ |  | — | ​ |  | 152,281 | ​ |  | 152,281 | ​ | ​ | — | ​ | ​ | 1,277 | ​ | ​ | 1,277
Other revolving and installment | ​ |  | 1 | ​ |  | 39,663 | ​ |  | 39,664 | ​ | ​ | — | ​ | ​ | 314 | ​ | ​ | 314
Total consumer | ​ |  | 425 | ​ |  | 889,522 | ​ |  | 889,947 | ​ | ​ | 73 | ​ | ​ | 9,578 | ​ | ​ | 9,651
Unallocated | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 901
Total loans | ​ | $ | 2,678 | ​ | $ | 2,483,947 | ​ | $ | 2,486,625 | ​ | $ | 288 | ​ | $ | 33,913 | ​ | $ | 35,102
​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 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
​ The following table presents the amortized cost basis of collateral dependent loans, by the primary collateral type, which are individually evaluated to determine expected credit losses, and the related ACL allocated to these loans: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As of March 31, 2023
​ | ​ | Primary Type of Collateral
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Allowance for
(dollars in thousands) | ​ | Real estate | ​ | Equipment | ​ | Other | ​ | Total | ​ | Credit Losses
Commercial | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial and industrial | ​ | $ | — | ​ | $ | 120 | ​ | $ | — | ​ | $ | 120 | ​ | $ | 60
Total commercial | ​ | ​ | — | ​ | ​ | 120 | ​ | ​ | — | ​ | ​ | 120 | ​ | ​ | 60
Consumer | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Residential real estate first mortgage | ​ | ​ | 424 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 10
Total consumer | ​ | ​ | 424 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 10
Total loans | ​ | $ | 424 | ​ | $ | 120 | ​ | $ | — | ​ | $ | 120 | ​ | $ | 70
​ Pre-ASC 326 Adoption impaired loan disclosures The table below summarizes key information on impaired loans as of December 31, 2022: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 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 months ended March 31, 2023:
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 2022
​ | ​ | Average | ​ | ​ | ​
​ | ​ | Recorded | ​ | Interest
(dollars in thousands) |  | Investment |  | Income
Impaired loans with a valuation allowance | ​ |  |  | ​ |  |
Commercial and industrial | ​ | $ | 528 | ​ | $ | 3
Commercial real estate | ​ |  | 180 | ​ |  | 2
Residential real estate first mortgage | ​ | ​ | — | ​ | ​ | —
Residential real estate junior lien | ​ |  | — | ​ |  | —
Other revolving and installment | ​ |  | 41 | ​ |  | —
Total impaired loans with a valuation allowance | ​ | ​ | 749 | ​ | ​ | 5
Impaired loans without a valuation allowance | ​ | ​ |  |  | ​ |
Commercial and industrial | ​ | ​ | 1,126 | ​ | ​ | —
Real estate construction | ​ | ​ | — | ​ | ​ | —
Commercial real estate | ​ |  | 642 | ​ |  | —
Residential real estate first mortgage | ​ |  | 1,759 | ​ |  | —
Residential real estate junior lien | ​ |  | 230 | ​ | ​ | —
Other revolving and installment | ​ |  | 9 | ​ |  | —
Total impaired loans without a valuation allowance | ​ | ​ | 3,766 | ​ | ​ | —
Total impaired loans | ​ |  |  | ​ |  |
Commercial and industrial | ​ | ​ | 1,654 | ​ | ​ | 3
Real estate construction | ​ | ​ | — | ​ | ​ | —
Commercial real estate | ​ |  | 822 | ​ |  | 2
Residential real estate first mortgage | ​ |  | 1,759 | ​ |  | —
Residential real estate junior lien | ​ |  | 230 | ​ |  | —
Other revolving and installment | ​ |  | 50 | ​ |  | —
Total impaired loans | ​ | $ | 4,515 | ​ | $ | 5
​

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- Definition The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -URI https://asc.fasb.org/subtopic&trid=2196772 + Details
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