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Allowance for Loan Losses | 9 Months Ended
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Sep. 30, 2021
Receivables [Abstract] |
Allowance for Loan Losses | Allowance for Loan Losses The Company provides for loan losses through the establishment of an allowance for loan losses which represents an estimated reserve for existing losses in the loan portfolio. A systematic methodology is used for determining the allowance that includes a quarterly review process, risk rating changes, and adjustments to the allowance. The loan portfolio is classified in eight classes and credit risk is evaluated separately in each class. Major risk characteristics relevant to each portfolio segment are as follows: Commercial Real Estate - Commercial real estate loans are impacted by factors such as competitive market forces, vacancy rates, cap rates, net operating incomes, lease renewals, and overall economic demand. In addition, loans in the recreational and tourism sector can be affected by weather conditions, such as unseasonably low winter snowfalls. Commercial real estate lending also carries a higher degree of environmental risk than other real estate lending. Commercial Construction - Commercial construction loans are impacted by factors similar to those for commercial real estate loans in addition to risks related to contractor financial capacity and ability to complete a project within acceptable time frames and within budget. Commercial Other - A weakened economy, soft consumer spending, and the rising cost of labor or raw materials are examples of issues that can impact the credit quality in this segment. Municipal Loans - The overall health of the economy, including unemployment rates and housing prices, has an impact on the credit quality of this segment. Residential Real Estate Term - The overall health of the economy, including unemployment rates and housing prices, has an impact on the credit quality of this segment. Residential Real Estate Construction - Residential construction loans are impacted by factors similar to those for residential real estate term loans in addition to risks related to contractor financial capacity and ability to complete a project within acceptable time frames and within budget. Home Equity Line of Credit - The overall health of the economy, including unemployment rates and housing prices, has an impact on the credit quality of this segment. Consumer -The overall health of the economy, including unemployment rates, has an impact on the credit quality of this segment. The appropriate level of the allowance is evaluated continually based on a review of significant loans, with a particular emphasis on nonaccruing, past due, and other loans that may require special attention. Other factors include general conditions in local and national economies; loan portfolio composition and asset quality indicators; and internal factors such as changes in underwriting policies, credit administration practices, experience, ability and depth of lending management, among others. The allowance consists of four elements: (1) specific reserves for loans evaluated individually for impairment; (2) general reserves for each portfolio segment based on historical loan loss experience; (3) qualitative reserves judgmentally adjusted for local and national economic conditions, concentrations, portfolio composition, volume and severity of delinquencies and nonaccrual loans, trends of criticized and classified loans, changes in credit policies and underwriting standards, credit administration practices, and other factors as applicable for each portfolio segment; and (4) unallocated reserves. All outstanding loans are considered in evaluating the appropriateness of the allowance. A breakdown of the allowance for loan losses as of September 30, 2021, December 31, 2020, and September 30, 2020, by class of financing receivable and allowance element, is presented in the following tables:
As of September 30, 2021 | Specific Reserves on Loans Evaluated Individually for Impairment |  | General Reserves on Loans Based on Historical Loss Experience |  | Reserves for Qualitative Factors |  | Unallocated Reserves |  | Total Reserves
Commercial |  |  |  |  |  |  |  |  |
Real estate | $ | 138,000 |  |  | $ | 864,000 |  |  | $ | 5,497,000 |  |  | $ | — |  |  | $ | 6,499,000 |
Construction | 18,000 |  |  | 117,000 |  |  | 744,000 |  |  | — |  |  | 879,000 |
Other | 397,000 |  |  | 452,000 |  |  | 2,878,000 |  |  | — |  |  | 3,727,000 |
Municipal | — |  |  | — |  |  | 189,000 |  |  | — |  |  | 189,000 |
Residential |  |  |  |  |  |  |  |  |
Term | 129,000 |  |  | 189,000 |  |  | 2,443,000 |  |  | — |  |  | 2,761,000 |
Construction | — |  |  | 10,000 |  |  | 132,000 |  |  | — |  |  | 142,000 |
Home equity line of credit | — |  |  | 109,000 |  |  | 847,000 |  |  | — |  |  | 956,000 |
Consumer | — |  |  | 263,000 |  |  | 604,000 |  |  | — |  |  | 867,000 |
Unallocated | — |  |  | — |  |  | — |  |  | 1,487,000 |  |  | 1,487,000 |
| $ | 682,000 |  |  | $ | 2,004,000 |  |  | $ | 13,334,000 |  |  | $ | 1,487,000 |  |  | $ | 17,507,000 |
As of December 31, 2020 | Specific Reserves on Loans Evaluated Individually for Impairment |  | General Reserves on Loans Based on Historical Loss Experience |  | Reserves for Qualitative Factors |  | Unallocated Reserves |  | Total Reserves
Commercial |  |  |  |  |  |  |  |  |
Real estate | $ | 112,000 |  |  | $ | 721,000 |  |  | $ | 4,345,000 |  |  | $ | — |  |  | $ | 5,178,000 |
Construction | 18,000 |  |  | 92,000 |  |  | 552,000 |  |  | — |  |  | 662,000 |
Other | 169,000 |  |  | 465,000 |  |  | 2,804,000 |  |  | — |  |  | 3,438,000 |
Municipal | — |  |  | — |  |  | 171,000 |  |  | — |  |  | 171,000 |
Residential |  |  |  |  |  |  |  |  |
Term | 163,000 |  |  | 145,000 |  |  | 2,271,000 |  |  | — |  |  | 2,579,000 |
Construction | — |  |  | 6,000 |  |  | 96,000 |  |  | — |  |  | 102,000 |
Home equity line of credit | — |  |  | 151,000 |  |  | 1,060,000 |  |  | — |  |  | 1,211,000 |
Consumer | — |  |  | 282,000 |  |  | 496,000 |  |  | — |  |  | 778,000 |
Unallocated | — |  |  | — |  |  | — |  |  | 2,134,000 |  |  | 2,134,000 |
| $ | 462,000 |  |  | $ | 1,862,000 |  |  | $ | 11,795,000 |  |  | $ | 2,134,000 |  |  | $ | 16,253,000 |
As of September 30, 2020 | Specific Reserves on Loans Evaluated Individually for Impairment |  | General Reserves on Loans Based on Historical Loss Experience |  | Reserves for Qualitative Factors |  | Unallocated Reserves |  | Total Reserves
Commercial |  |  |  |  |  |  |  |  |
Real estate | $ | 135,000 |  |  | $ | 686,000 |  |  | $ | 3,940,000 |  |  | $ | — |  |  | $ | 4,761,000 |
Construction | 19,000 |  |  | 87,000 |  |  | 501,000 |  |  | — |  |  | 607,000 |
Other | 128,000 |  |  | 521,000 |  |  | 2,993,000 |  |  | — |  |  | 3,642,000 |
Municipal | — |  |  | — |  |  | 139,000 |  |  | — |  |  | 139,000 |
Residential |  |  |  |  |  |  |  |  |
Term | 204,000 |  |  | 275,000 |  |  | 2,037,000 |  |  | — |  |  | 2,516,000 |
Construction | — |  |  | 10,000 |  |  | 71,000 |  |  | — |  |  | 81,000 |
Home equity line of credit | 403,000 |  |  | 79,000 |  |  | 975,000 |  |  | — |  |  | 1,457,000 |
Consumer | 1,000 |  |  | 168,000 |  |  | 423,000 |  |  | — |  |  | 592,000 |
Unallocated | — |  |  | — |  |  | — |  |  | 1,576,000 |  |  | 1,576,000 |
| $ | 890,000 |  |  | $ | 1,826,000 |  |  | $ | 11,079,000 |  |  | $ | 1,576,000 |  |  | $ | 15,371,000 |
Qualitative adjustment factors are taken into consideration when determining reserve estimates. These adjustment factors are based upon Management's evaluation of various current conditions, including those listed below. •General economic conditions. •Credit quality trends with emphasis on loan delinquencies, nonaccrual levels, and classified loans. •Recent loss experience in particular segments of the portfolio. •Loan volumes and concentrations, including changes in mix. •Other factors, including changes in quality of the loan origination; loan policy changes; changes in credit risk management processes; Bank regulatory and external loan review examination results. Qualitative factors applied to the portfolio or segments of the portfolio may include judgments concerning general economic conditions that may affect credit quality, credit concentrations, the pace of portfolio growth, the direction of risk rating movements, policy exception levels, and delinquency levels; these qualitative factors are also considered in connection with the unallocated portion of our allowance for loan losses. The qualitative portion of the allowance for loan losses was 0.82% of related loans as of September 30, 2021, compared to 0.80% of related loans as of December 31, 2020. The qualitative portion increased $1,539,000 between December 31, 2020 and September 30, 2021 due to a mix of factors. These factors included changes in various macroeconomic measures used in the qualitative model, updated analysis of the loan portfolio in multiple stress scenarios, and performance of COVID-19 related loan modifications. The unallocated component of the allowance totaled $1,487,000 at September 30, 2021, or 8.5% of the total reserve. This compares to $2,134,000 or 13.1% as of December 31, 2020. Maintenance of an unallocated component reflects general imprecision related to portfolio growth along with lingering uncertainty regarding the potential impacts of COVID-19 on the loan portfolio. The allowance for loan losses as a percent of total loans stood at 1.08% as of September 30, 2021, 1.10% at December 31, 2020 and 1.07% as of September 30, 2020. Commercial loans are comprised of three major classes; commercial real estate loans, commercial construction loans, and other commercial loans. Commercial real estate loans consist of mortgage loans to finance investments in real property such as multi-family residential, commercial/retail, office, industrial, hotels, educational, and other specific or mixed use properties. Commercial real estate loans are typically written with amortizing payment structures. Collateral values are determined based on appraisals and evaluations in accordance with established policy and regulatory guidelines. Commercial real estate loans typically have a loan-to-value ratio of up to 80% based upon current valuation information at the time the loan is made. Commercial real estate loans are primarily paid by the cash flow generated from the real property, such as operating leases, rents, or other operating cash flows from the borrower. Commercial construction loans consist of loans to finance construction in a mix of owner- and non-owner occupied commercial real estate properties. Commercial construction loans typically have maturities of less than two years. Payment structures during the construction period are typically on an interest only basis, although principal payments may be established depending on the type of construction project being financed. During the construction phase, commercial construction loans are primarily paid by cash flow generated from the construction project or other operating cash flows from the borrower or guarantors, if applicable. At the end of the construction period, loan repayment typically comes from a third party source in the event that the Company will not be providing permanent term financing. Collateral valuation and loan-to-value guidelines follow those for commercial real estate loans. Other commercial loans consist of revolving and term loan obligations extended to business and corporate enterprises for the purpose of financing working capital and or capital investment. Collateral generally consists of pledges of business assets including, but not limited to, accounts receivable, inventory, plant and equipment, and/or real estate, if applicable. Commercial loans are primarily paid by the operating cash flow of the borrower. Commercial loans may be secured or unsecured. Other commercial loans also include loans made under the SBA PPP. These loans are unsecured and carry a 100% guarantee from the SBA. Municipal loans are comprised of loans to municipalities in Maine for capitalized expenditures, construction projects, or tax anticipation notes. Municipal loans are considered either general obligations of the issuer backed by the taxing ability of the municipality for repayment of debt, or revenue obligations backed by a pledge of the issuer's revenue, such as water & sewer usage fees. Residential loans are comprised of two classes: term loans and construction loans. Residential term loans consist of residential real estate loans held in the Company's loan portfolio made to borrowers who demonstrate the ability to make scheduled payments with full consideration to underwriting factors. Borrower qualifications include favorable credit history combined with supportive income requirements and loan-to-value ratios within established policy and regulatory guidelines. Collateral values are determined based on appraisals and evaluations in accordance with established policy and regulatory guidelines. Residential loans typically have a loan-to-value ratio of up to 80% based on appraisal information at the time the loan is made. Collateral consists of mortgage liens on one- to four-family residential properties. Loans are offered with fixed or adjustable rates with amortization terms of up to thirty years. Residential construction loans typically consist of loans for the purpose of constructing single family residences to be owned and occupied by the borrower. Borrower qualifications include favorable credit history combined with supportive income requirements and loan-to-value ratios within established policy and regulatory guidelines. Residential construction loans normally have construction terms of one year or less and payment during the construction term is typically on an interest only basis from sources including interest reserves, borrower liquidity, and/or income. Residential construction loans will typically convert to permanent financing from the Company or have another financing commitment in place from an acceptable mortgage lender. Collateral valuation and loan-to-value guidelines are consistent with those for residential term loans. Home equity lines of credit are made to qualified individuals and are secured by senior or junior mortgage liens on owner occupied one- to four-family homes, condominiums, or vacation homes. The home equity line of credit typically has a variable interest rate and is billed as interest-only payments during the draw period. At the end of the draw period, the home equity line of credit is billed as a percentage of the principal balance plus all accrued interest. Loan maturities are normally 300 months. Borrower qualifications include favorable credit history combined with supportive income requirements and combined loan-to- value ratios usually not exceeding 80% inclusive of priority liens. Collateral valuation guidelines follow those for residential real estate loans. Consumer loan products including personal lines of credit and amortizing loans made to qualified individuals for various purposes such as auto, recreational vehicles, debt consolidation, personal expenses, or overdraft protection. Borrower qualifications include favorable credit history combined with supportive income and collateral requirements within established policy guidelines. Consumer loans may be secured or unsecured. Construction, land, and land development loans, both commercial and residential, comprise a small portion of the portfolio, and at 45.4% of Bank capital are below the regulatory guidance limit of 100.0% of capital at September 30, 2021. Construction loans and non-owner-occupied commercial real estate loans are at 191.7% of Bank total capital, below the regulatory limit of 300.0% of capital at September 30, 2021. The process of establishing the allowance with respect to the commercial loan portfolio begins when a Loan Officer or Senior Officer (or designee) initially assigns each loan a risk rating, using established credit criteria. Approximately 60% of commercial loan outstanding balances, excluding SBA PPP loans, are subject to review and validation annually by an independent consulting firm. Additionally, commercial loan relationships with exposure greater than or equal to $500,000 are subject to review annually by the Company's internal credit review function. The methodology employs Management's judgment as to the level of losses on existing loans based on internal review of the loan portfolio, including an analysis of a borrower's current financial position, and the consideration of current and anticipated economic conditions and their potential effects on specific borrowers and or lines of business. In determining the Company's ability to collect certain loans, Management also considers the fair value of underlying collateral. The risk rating system has eight levels, defined as follows: 1 Strong Credits rated "1" are characterized by borrowers fully responsible for the credit with excellent capacity to pay principal and interest. Loans rated "1" may be secured with acceptable forms of liquid collateral. 2 Above Average Credits rated "2" are characterized by borrowers that have better than average liquidity, capitalization, earnings, and/or cash flow with a consistent record of solid financial performance. 3 Satisfactory Credits rated "3" are characterized by borrowers with favorable liquidity, profitability, and financial condition with adequate cash flow to pay debt service. 4 Average Credits rated "4" are characterized by borrowers that present risk more than 1, 2 and 3 rated loans and merit an ordinary level of ongoing monitoring. Financial condition is on par or somewhat below industry averages while cash flow is generally adequate to meet debt service requirements. 5 Watch Credits rated "5" are characterized by borrowers that warrant greater monitoring due to financial condition or unresolved and identified risk factors. 6 Other Assets Especially Mentioned (OAEM) Loans in this category are currently protected but are potentially weak and constitute an undue and unwarranted credit risk, but not to the point of justifying a classification of substandard. OAEM have potential weaknesses which may, if not checked or corrected, weaken the asset or inadequately protect the Company's credit position at some future date. 7 Substandard Loans in this category are inadequately protected by the paying capacity of the borrower or of the collateral pledged, if any. Loans so classified have a well-defined weakness or weaknesses that jeopardize the liquidation of the debt. Substandard loans are characterized by the distinct possibility that the Company may sustain some loss if the deficiencies are not corrected. 8 Doubtful Loans classified "Doubtful" have the same weaknesses as those classified substandard with the added characteristic that the weaknesses make collection or liquidation in full, based on currently existing facts, conditions, and values, highly questionable and improbable. The possibility of loss is high, but because of certain important and reasonably specific pending factors which may work to the advantage and strengthening of the asset, its classification as an estimated loss is deferred until its more exact status may be determined. The following table summarizes the risk ratings for the Company's commercial real estate, commercial construction, commercial other, and municipal loans as of September 30, 2021:
| Commercial Real Estate |  | Commercial Construction |  | Commercial Other |  | Municipal Loans |  | All Risk- Rated Loans
1 Strong | $ | — |  |  | $ | — |  |  | $ | 2,434,000 |  |  | $ | 8,000 |  |  | $ | 2,442,000 |
2 Above Average | 9,220,000 |  |  | 175,000 |  |  | 7,144,000 |  |  | 38,787,000 |  |  | 55,326,000 |
3 Satisfactory | 92,596,000 |  |  | 1,831,000 |  |  | 79,693,000 |  |  | 354,000 |  |  | 174,474,000 |
4 Average | 355,252,000 |  |  | 47,003,000 |  |  | 155,189,000 |  |  | 1,467,000 |  |  | 558,911,000 |
5 Watch | 79,885,000 |  |  | 24,293,000 |  |  | 38,505,000 |  |  | — |  |  | 142,683,000 |
6 OAEM | 3,899,000 |  |  | — |  |  | 32,000 |  |  | — |  |  | 3,931,000 |
7 Substandard | 9,225,000 |  |  | — |  |  | 5,124,000 |  |  | — |  |  | 14,349,000 |
8 Doubtful | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total | $ | 550,077,000 |  |  | $ | 73,302,000 |  |  | $ | 288,121,000 |  |  | $ | 40,616,000 |  |  | $ | 952,116,000 |
The following table summarizes the risk ratings for the Company's commercial real estate, commercial construction, commercial other, and municipal loans as of December 31, 2020:
| Commercial Real Estate |  | Commercial Construction |  | Commercial Other |  | Municipal Loans |  | All Risk- Rated Loans
1 Strong | $ | — |  |  | $ | — |  |  | $ | 2,402,000 |  |  | $ | 19,000 |  |  | $ | 2,421,000 |
2 Above Average | 5,938,000 |  |  | 2,343,000 |  |  | 6,326,000 |  |  | 41,939,000 |  |  | 56,546,000 |
3 Satisfactory | 91,475,000 |  |  | 2,889,000 |  |  | 104,432,000 |  |  | 369,000 |  |  | 199,165,000 |
4 Average | 261,539,000 |  |  | 31,221,000 |  |  | 120,570,000 |  |  | 1,456,000 |  |  | 414,786,000 |
5 Watch | 72,840,000 |  |  | 19,893,000 |  |  | 44,293,000 |  |  | — |  |  | 137,026,000 |
6 OAEM | 2,754,000 |  |  | — |  |  | 234,000 |  |  | — |  |  | 2,988,000 |
7 Substandard | 7,575,000 |  |  | 219,000 |  |  | 6,758,000 |  |  | — |  |  | 14,552,000 |
8 Doubtful | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total | $ | 442,121,000 |  |  | $ | 56,565,000 |  |  | $ | 285,015,000 |  |  | $ | 43,783,000 |  |  | $ | 827,484,000 |
The following table summarizes the risk ratings for the Company's commercial real estate, commercial construction, commercial other, and municipal loans as of September 30, 2020:
| Commercial Real Estate |  | Commercial Construction |  | Commercial Other |  | Municipal Loans |  | All Risk- Rated Loans
1 Strong | $ | — |  |  | $ | — |  |  | $ | 2,251,000 |  |  | $ | 23,000 |  |  | $ | 2,274,000 |
2 Above Average | 8,492,000 |  |  | 1,627,000 |  |  | 5,361,000 |  |  | 42,262,000 |  |  | 57,742,000 |
3 Satisfactory | 84,178,000 |  |  | 3,145,000 |  |  | 140,360,000 |  |  | 369,000 |  |  | 228,052,000 |
4 Average | 230,954,000 |  |  | 27,907,000 |  |  | 107,552,000 |  |  | 1,456,000 |  |  | 367,869,000 |
5 Watch | 68,565,000 |  |  | 18,919,000 |  |  | 46,211,000 |  |  | — |  |  | 133,695,000 |
6 OAEM | 2,028,000 |  |  | — |  |  | 1,291,000 |  |  | — |  |  | 3,319,000 |
7 Substandard | 12,911,000 |  |  | 440,000 |  |  | 6,271,000 |  |  | — |  |  | 19,622,000 |
8 Doubtful | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total | $ | 407,128,000 |  |  | $ | 52,038,000 |  |  | $ | 309,297,000 |  |  | $ | 44,110,000 |  |  | $ | 812,573,000 |
Commercial loans are generally charged off when all or a portion of the principal amount is determined to be uncollectible. This determination is based on circumstances specific to a borrower including repayment ability, analysis of collateral, and other factors as applicable. Residential loans are comprised of two classes: term loans, which include traditional amortizing home mortgages, and construction loans, which include loans for owner-occupied residential construction. Residential loans typically have a 75% to 80% loan to value based upon current appraisal information at the time the loan is made. Home equity loans and lines of credit are typically written to the same underwriting standards. Consumer loans are primarily amortizing loans to individuals collateralized by automobiles, pleasure craft, and recreation vehicles, typically with a maximum loan to value of 80% to 90% of the purchase price of the collateral. Consumer loans also include a small amount of unsecured short-term time notes to individuals. Residential loans, consumer loans, and home equity lines of credit are segregated into homogeneous pools with similar risk characteristics. Trends and current conditions are analyzed and historical loss experience is adjusted accordingly. Quantitative and qualitative adjustment factors for these segments are consistent with those for the commercial and municipal classes. Certain loans in the residential, home equity lines of credit, and consumer classes identified as having the potential for further deterioration are analyzed individually to confirm impairment status, and to determine the need for a specific reserve; however there is no formal rating system used for these classes. Consumer loans greater than 120 days past due are generally charged off. Residential loans 90 days or more past due are placed on non-accrual status unless the loans are both well secured and in the process of collection. One- to four-family residential real estate loans and home equity loans are written down or charged-off no later than 180 days past due, or for residential real estate secured loans having a borrower in bankruptcy, within 60 days of receipt of notification of filing from the bankruptcy court, whichever is sooner. This is subject to completion of a current assessment of the value of the collateral with any outstanding loan balance in excess of the fair value of the property, less costs to sell, written down or charged-off. There were no changes to the Company's accounting policies or methodology used to estimate the allowance for loan losses during the nine months ended September 30, 2021. The following table presents allowance for loan losses activity by class for the nine months and quarter ended September 30, 2021, and allowance for loan loss balances by class and related loan balances by class as of September 30, 2021:
| Commercial | Municipal | Residential | Home Equity Line of Credit | Consumer | Unallocated | Total
| Real Estate | Construction | Other |  | Term | Construction |  |  |  |
For the nine months ended September 30, 2021
Beginning balance | $ | 5,178,000 |  | $ | 662,000 |  | $ | 3,438,000 |  | $ | 171,000 |  | $ | 2,579,000 |  | $ | 102,000 |  | $ | 1,211,000 |  | $ | 778,000 |  | $ | 2,134,000 |  | $ | 16,253,000 |
Charge offs | 71,000 |  | — |  | 286,000 |  | — |  | 41,000 |  | — |  | — |  | 239,000 |  | — |  | 637,000 |
Recoveries | 95,000 |  | — |  | 83,000 |  | — |  | 12,000 |  | — |  | 60,000 |  | 66,000 |  | — |  | 316,000 |
Provision (credit) | 1,297,000 |  | 217,000 |  | 492,000 |  | 18,000 |  | 211,000 |  | 40,000 |  | (315,000) |  | 262,000 |  | (647,000) |  | 1,575,000 |
Ending balance | $ | 6,499,000 |  | $ | 879,000 |  | $ | 3,727,000 |  | $ | 189,000 |  | $ | 2,761,000 |  | $ | 142,000 |  | $ | 956,000 |  | $ | 867,000 |  | $ | 1,487,000 |  | $ | 17,507,000 |
For the three months ended September 30, 2021
Beginning balance | $ | 6,088,000 |  | $ | 750,000 |  | $ | 3,757,000 |  | $ | 187,000 |  | $ | 2,896,000 |  | $ | 160,000 |  | $ | 959,000 |  | $ | 892,000 |  | $ | 1,345,000 |  | $ | 17,034,000 |
Charge offs | 66,000 |  | — |  | — |  | — |  | — |  | — |  | — |  | 92,000 |  | — |  | 158,000 |
Recoveries | — |  | — |  | 81,000 |  | — |  | 3,000 |  | — |  | 12,000 |  | 10,000 |  | — |  | 106,000 |
Provision (credit) | 477,000 |  | 129,000 |  | (111,000) |  | 2,000 |  | (138,000) |  | (18,000) |  | (15,000) |  | 57,000 |  | 142,000 |  | 525,000 |
Ending balance | $ | 6,499,000 |  | $ | 879,000 |  | $ | 3,727,000 |  | $ | 189,000 |  | $ | 2,761,000 |  | $ | 142,000 |  | $ | 956,000 |  | $ | 867,000 |  | $ | 1,487,000 |  | $ | 17,507,000 |
Allowance for loan losses as of September 30, 2021
Ending balance specifically evaluated for impairment | $ | 138,000 |  | $ | 18,000 |  | $ | 397,000 |  | $ | — |  | $ | 129,000 |  | $ | — |  | $ | — |  | $ | — |  | $ | — |  | $ | 682,000 |
Ending balance collectively evaluated for impairment | $ | 6,361,000 |  | $ | 861,000 |  | $ | 3,330,000 |  | $ | 189,000 |  | $ | 2,632,000 |  | $ | 142,000 |  | $ | 956,000 |  | $ | 867,000 |  | $ | 1,487,000 |  | $ | 16,825,000 |
Related loan balances as of September 30, 2021
Ending balance | $ | 550,077,000 |  | $ | 73,302,000 |  | $ | 288,121,000 |  | $ | 40,616,000 |  | $ | 537,811,000 |  | $ | 29,358,000 |  | $ | 74,594,000 |  | $ | 23,333,000 |  | $ | — |  | $ | 1,617,212,000 |
Ending balance specifically evaluated for impairment | $ | 2,800,000 |  | $ | 705,000 |  | $ | 1,755,000 |  | $ | — |  | $ | 8,782,000 |  | $ | — |  | $ | 503,000 |  | $ | 4,000 |  | $ | — |  | $ | 14,549,000 |
Ending balance collectively evaluated for impairment | $ | 547,277,000 |  | $ | 72,597,000 |  | $ | 286,366,000 |  | $ | 40,616,000 |  | $ | 529,029,000 |  | $ | 29,358,000 |  | $ | 74,091,000 |  | $ | 23,329,000 |  | $ | — |  | $ | 1,602,663,000 |
The following table presents allowance for loan losses activity by class for the year ended December 31, 2020 and allowance for loan loss balances by class and related loan balances by class as of December 31, 2020:
| Commercial | Municipal | Residential | Home Equity Line of Credit | Consumer | Unallocated | Total
| Real Estate | Construction | Other |  | Term | Construction |  |  |  |
For the year ended December 31, 2020
Beginning balance | $ | 3,742,000 |  | $ | 365,000 |  | $ | 3,329,000 |  | $ | 27,000 |  | $ | 1,024,000 |  | $ | 25,000 |  | $ | 1,078,000 |  | $ | 867,000 |  | $ | 1,182,000 |  | $ | 11,639,000 |
Charge offs | 1,088,000 |  | — |  | 27,000 |  | — |  | 66,000 |  | — |  | 153,000 |  | 327,000 |  | — |  | 1,661,000 |
Recoveries | — |  | — |  | 37,000 |  | — |  | 34,000 |  | — |  | 22,000 |  | 132,000 |  | — |  | 225,000 |
Provision | 2,524,000 |  | 297,000 |  | 99,000 |  | 144,000 |  | 1,587,000 |  | 77,000 |  | 264,000 |  | 106,000 |  | 952,000 |  | 6,050,000 |
Ending balance | $ | 5,178,000 |  | $ | 662,000 |  | $ | 3,438,000 |  | $ | 171,000 |  | $ | 2,579,000 |  | $ | 102,000 |  | $ | 1,211,000 |  | $ | 778,000 |  | $ | 2,134,000 |  | $ | 16,253,000 |
Allowance for loan losses as of December 31, 2020
Ending balance specifically evaluated for impairment | $ | 112,000 |  | $ | 18,000 |  | $ | 169,000 |  | $ | — |  | $ | 163,000 |  | $ | — |  | $ | — |  | $ | — |  | $ | — |  | $ | 462,000 |
Ending balance collectively evaluated for impairment | $ | 5,066,000 |  | $ | 644,000 |  | $ | 3,269,000 |  | $ | 171,000 |  | $ | 2,416,000 |  | $ | 102,000 |  | $ | 1,211,000 |  | $ | 778,000 |  | $ | 2,134,000 |  | $ | 15,791,000 |
Related loan balances as of December 31, 2020
Ending balance | $ | 442,121,000 |  | $ | 56,565,000 |  | $ | 285,015,000 |  | $ | 43,783,000 |  | $ | 522,070,000 |  | $ | 21,600,000 |  | $ | 79,750,000 |  | $ | 25,857,000 |  | $ | — |  | $ | 1,476,761,000 |
Ending balance specifically evaluated for impairment | $ | 3,029,000 |  | $ | 770,000 |  | $ | 1,779,000 |  | $ | — |  | $ | 9,414,000 |  | $ | — |  | $ | 1,039,000 |  | $ | 8,000 |  | $ | — |  | $ | 16,039,000 |
Ending balance collectively evaluated for impairment | $ | 439,092,000 |  | $ | 55,795,000 |  | $ | 283,236,000 |  | $ | 43,783,000 |  | $ | 512,656,000 |  | $ | 21,600,000 |  | $ | 78,711,000 |  | $ | 25,849,000 |  | $ | — |  | $ | 1,460,722,000 |
The following table presents allowance for loan losses activity by class for the nine months and quarter ended September 30, 2020, and allowance for loan loss balances by class and related loan balances by class as of September 30, 2020:
| Commercial | Municipal | Residential | Home Equity Line of Credit | Consumer | Unallocated | Total
| Real Estate | Construction | Other |  | Term | Construction |  |  |  |
For the nine months ended September 30, 2020
Beginning balance | $ | 3,742,000 |  | $ | 365,000 |  | $ | 3,329,000 |  | $ | 27,000 |  | $ | 1,024,000 |  | $ | 25,000 |  | $ | 1,078,000 |  | $ | 867,000 |  | $ | 1,182,000 |  | $ | 11,639,000 |
Charge offs | 532,000 |  | — |  | 24,000 |  | — |  | 46,000 |  | — |  | 153,000 |  | 238,000 |  | — |  | 993,000 |
Recoveries | — |  | — |  | 24,000 |  | — |  | 31,000 |  | — |  | 20,000 |  | 100,000 |  | — |  | 175,000 |
Provision (credit) | 1,551,000 |  | 242,000 |  | 313,000 |  | 112,000 |  | 1,507,000 |  | 56,000 |  | 512,000 |  | (137,000) |  | 394,000 |  | 4,550,000 |
Ending balance | $ | 4,761,000 |  | $ | 607,000 |  | $ | 3,642,000 |  | $ | 139,000 |  | $ | 2,516,000 |  | $ | 81,000 |  | $ | 1,457,000 |  | $ | 592,000 |  | $ | 1,576,000 |  | $ | 15,371,000 |
For the three months ended September 30, 2020
Beginning balance | $ | 4,511,000 |  | $ | 524,000 |  | $ | 3,689,000 |  | $ | 110,000 |  | $ | 2,261,000 |  | $ | 64,000 |  | $ | 1,284,000 |  | $ | 658,000 |  | $ | 1,009,000 |  | $ | 14,110,000 |
Charge offs | 532,000 |  | — |  | 7,000 |  | — |  | — |  | — |  | — |  | 37,000 |  | — |  | 576,000 |
Recoveries | — |  | — |  | 4,000 |  | — |  | 5,000 |  | — |  | 1,000 |  | 27,000 |  | — |  | 37,000 |
Provision (credit) | 782,000 |  | 83,000 |  | (44,000) |  | 29,000 |  | 250,000 |  | 17,000 |  | 172,000 |  | (56,000) |  | 567,000 |  | 1,800,000 |
Ending balance | $ | 4,761,000 |  | $ | 607,000 |  | $ | 3,642,000 |  | $ | 139,000 |  | $ | 2,516,000 |  | $ | 81,000 |  | $ | 1,457,000 |  | $ | 592,000 |  | $ | 1,576,000 |  | $ | 15,371,000 |
Allowance for loan losses as of September 30, 2020
Ending balance specifically evaluated for impairment | $ | 135,000 |  | $ | 19,000 |  | $ | 128,000 |  | $ | — |  | $ | 204,000 |  | $ | — |  | $ | 403,000 |  | $ | 1,000 |  | $ | — |  | $ | 890,000 |
Ending balance collectively evaluated for impairment | $ | 4,626,000 |  | $ | 588,000 |  | $ | 3,514,000 |  | $ | 139,000 |  | $ | 2,312,000 |  | $ | 81,000 |  | $ | 1,054,000 |  | $ | 591,000 |  | $ | 1,576,000 |  | $ | 14,481,000 |
Related loan balances as of September 30, 2020
Ending balance | $ | 407,128,000 |  | $ | 52,038,000 |  | $ | 309,297,000 |  | $ | 44,110,000 |  | $ | 497,667,000 |  | $ | 16,101,000 |  | $ | 82,982,000 |  | $ | 27,323,000 |  | $ | — |  | $ | 1,436,646,000 |
Ending balance specifically evaluated for impairment | $ | 4,753,000 |  | $ | 1,009,000 |  | $ | 1,023,000 |  | $ | — |  | $ | 10,182,000 |  | $ | — |  | $ | 2,364,000 |  | $ | 10,000 |  | $ | — |  | $ | 19,341,000 |
Ending balance collectively evaluated for impairment | $ | 402,375,000 |  | $ | 51,029,000 |  | $ | 308,274,000 |  | $ | 44,110,000 |  | $ | 487,485,000 |  | $ | 16,101,000 |  | $ | 80,618,000 |  | $ | 27,313,000 |  | $ | — |  | $ | 1,417,305,000 |

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- Definition The entire disclosure for allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -URI http://asc.fasb.org/topic&trid=2196771 + Details
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