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Summary Of Significant Accounting Policies | 12 Months Ended
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Dec. 31, 2022
Accounting Policies [Abstract] |
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES | SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Risks and uncertainties As a mining company, the revenue, profitability and future rate of growth of the Company are substantially dependent on the prevailing prices for gold, silver, zinc and lead. The prices of these metals are volatile and affected by many factors beyond the Company’s control, including prevailing interest rates and returns on other asset classes, expectations regarding inflation, speculation, currency values, governmental decisions regarding precious metals stockpiles, global and regional demand and production, political and economic conditions and other factors. A substantial or extended decline in commodity prices could have a material adverse effect on the Company’s financial position, results of operations, cash flows, access to capital and the quantities of reserves that the Company can economically produce. Further, the carrying value of the Company’s property, plant and equipment, net; mining properties, net; inventories and ore on leach pads are particularly sensitive to the outlook for commodity prices. A decline in the Company’s price outlook from current levels could result in material impairment charges related to these assets. In addition to changes in commodity prices, other factors such as changes in mine plans, increases in costs, geotechnical failures, changes in social, environmental or regulatory requirements and impacts of global events such as the COVID-19 pandemic could result in material impairment charges related to these assets. Use of Estimates The Company's Consolidated Financial Statements have been prepared in accordance with United States Generally Accepted Accounting Principles (“U.S. GAAP”). The preparation of the Company's Consolidated Financial Statements requires the Company to make estimates and assumptions that affect the reported amounts of assets and liabilities and the related disclosure of contingent assets and liabilities at the date of the Consolidated Financial Statements and reported amounts of revenues and expenses during the reporting period. The more significant areas requiring the use of management estimates and assumptions relate to metal prices and mineral reserves that are the basis for future cash flow estimates utilized in impairment calculations and units-of production amortization calculations, environmental, reclamation and closure obligations, estimates of recoverable silver and gold in leach pad inventories, estimates of fair value for certain reporting units and asset impairments, valuation allowances for deferred tax assets, and the fair value and accounting treatment of financial instruments, equity securities, asset acquisitions, the allocation of fair value to assets and liabilities assumed in connection with business combinations, and derivative instruments. The Company bases its estimates on historical experience and on various other assumptions that are believed to be reasonable under the circumstances. Accordingly, actual results will differ from the amounts estimated in these financial statements. Principles of Consolidation The Consolidated Financial Statements include the wholly-owned subsidiaries of the Company, the most significant of which are Coeur Mexicana S.A. de C.V., Coeur Rochester, Inc., Coeur Alaska, Inc., Wharf Resources (U.S.A.), Inc., and Coeur Silvertip Holdings Ltd. All intercompany balances and transactions have been eliminated. Cash and Cash Equivalents Cash and cash equivalents include all highly-liquid investments with an original maturity of three months or less. The Company minimizes its credit risk by investing its cash and cash equivalents with major U.S. and international banks and financial institutions located principally in the United States with a minimum credit rating of A1, as defined by Standard & Poor’s. The Company’s management believes that no concentration of credit risk exists with respect to the investment of its cash and cash equivalents. At certain times, amounts on deposit may exceed federal deposit insurance limits. Receivables Trade receivables and other receivable balances are reported at outstanding principal amounts, net of an allowance for doubtful accounts, if deemed necessary. Management evaluates the collectability of receivable account balances to determine the allowance, if any. Management considers the other party's credit risk and financial condition, as well as current and projected economic and market conditions, in determining the amount of the allowance. Receivable balances are written off when management determines that the balance is uncollectible. Ore on Leach Pads The heap leach process extracts silver and gold by placing ore on an impermeable pad and applying a diluted cyanide solution that dissolves a portion of the contained silver and gold, which are then recovered in metallurgical processes. The Company uses several integrated steps to scientifically measure the metal content of ore placed on the leach pads. As the ore body is drilled in preparation for the blasting process, samples are taken of the drill residue which are assayed to determine estimated quantities of contained metal. The Company then processes the ore through crushing facilities where the output is again weighed and sampled for assaying. A metallurgical reconciliation with the data collected from the mining operation is completed with appropriate adjustments made to previous estimates. The crushed ore is then transported to the leach pad for application of the leaching solution. As the leach solution is collected from the leach pads, it is continuously sampled for assaying. The quantity of leach solution is measured by flow meters throughout the leaching and precipitation process. After precipitation, the product is converted to doré at the Rochester mine and a form of gold concentrate at the Wharf mine, representing the final product produced by each mine. The inventory is stated at lower of cost or net realizable value, with cost being determined using a weighted average cost method. The historical cost of metal expected to be extracted within 12 months is classified as current and the historical cost of metals contained within the broken ore expected to be extracted beyond 12 months is classified as non-current. Ore on leach pads is valued based on actual production costs incurred to produce and place ore on the leach pad, less costs allocated to minerals recovered through the leach process. The estimate of both the ultimate recovery expected over time and the quantity of metal that may be extracted relative to the time the leach process occurs requires the use of estimates, which are inherently inaccurate due to the nature of the leaching process. The quantities of metal contained in the ore are based upon actual weights and assay analysis. The rate at which the leach process extracts gold and silver from the crushed ore is based upon laboratory testing and actual experience of more than 20 years of leach pad operations at the Rochester mine and 30 years of leach pad operations at the Wharf mine. The assumptions used by the Company to measure metal content during each stage of the inventory conversion process includes estimated recovery rates based on laboratory testing and assaying. The Company periodically reviews its estimates compared to actual experience and revises its estimates when appropriate. The ultimate recovery will not be known until leaching operations cease. Variations between actual and estimated quantities resulting from changes in assumptions and estimates that do not result in write-downs to net realizable value are accounted for on a prospective basis. As of December 31, 2022, the Company’s estimated recoverable ounces of gold and silver on the leach pads were 40,083 and 4.7 million, respectively. Metal and Other Inventory Inventories include concentrate, doré, and operating materials and supplies. The classification of inventory is determined by the stage at which the ore is in the production process. All inventories are stated at the lower of cost or net realizable value, with cost being determined using a weighted average cost method. Concentrate and doré inventory includes product at the mine site and product held by refineries. Metal inventory costs include direct labor, materials, depreciation, depletion and amortization as well as overhead costs relating to mining activities. Property, Plant, and Equipment Expenditures for new facilities, assets acquired pursuant to finance leases, new assets or expenditures that extend the useful lives of existing facilities are capitalized and depreciated using the straight-line method at rates sufficient to depreciate such costs over the shorter of estimated productive lives of such facilities, lease term, or the useful life of the individual assets. Productive lives range from 7 to 30 years for buildings and improvements and 3 to 10 years for machinery and equipment. Certain mining equipment is depreciated using the units-of-production method based upon estimated total proven and probable reserves. Mining Properties and Mine Development Capitalization of mine development costs begins once all operating permits have been secured, mineralization is classified as proven and probable reserves and a final feasibility study has been completed. Mine development costs include engineering and metallurgical studies, drilling and other related costs to delineate an ore body, the removal of overburden to initially expose an ore body at open pit surface mines and the building of access ways, shafts, lateral access, drifts, ramps and other infrastructure at underground mines. Costs incurred before mineralization are classified as proven and probable reserves and are capitalized if a project is in pre-production phase or expensed and classified as Exploration or Pre-development if the project is not yet in pre-production. Mine development costs are amortized using the units-of-production method over the estimated life of the ore body generally based on recoverable ounces to be mined from proven and probable reserves. Interest expense allocable to the cost of developing mining properties and to construct new facilities is capitalized until assets are ready for their intended use. Drilling and related costs incurred at the Company’s operating mines are expensed as incurred in Exploration, unless the Company can conclude with a high degree of confidence, prior to the commencement of a drilling program, that the drilling costs will result in the conversion of a mineral resource into mineral reserve. The Company’s assessment is based on the following factors: results from previous drill programs; results from geological models; results from a mine scoping study confirming economic viability of the resource; and preliminary estimates of mine inventory, ore grade, cash flow and mine life. In addition, the Company must have all permitting and/or contractual requirements necessary to have the right to and/or control of the future benefit from the targeted ore body. The costs of a drilling program that meet these criteria are capitalized as mine development costs. Drilling and related costs of approximately $21.6 million and $19.9 million at December 31, 2022 and 2021, respectively, were capitalized. The cost of removing overburden and waste materials to access the ore body at an open pit mine prior to the production phase are referred to as “pre-stripping costs.” Pre-stripping costs are capitalized during the development of an open pit mine. Stripping costs incurred during the production phase of a mine are variable production costs that are included as a component of inventory to be recognized in Costs applicable to sales in the same period as the revenue from the sale of inventory. Mineral Interests Significant payments related to the acquisition of land and mineral rights are capitalized. Prior to acquiring such land or mineral rights, the Company generally makes a preliminary evaluation to determine that the property has significant potential to develop an economic ore body. The time between initial acquisition and full evaluation of a property’s potential is variable and is determined by many factors including: location relative to existing infrastructure, the property’s stage of development, geological controls and metal prices. If a mineable ore body is discovered, such costs are amortized when production begins using the units-of-production method based on recoverable ounces to be mined from proven and probable reserves. If no mineable ore body is discovered, such costs are expensed in the period in which it is determined the property has no future economic value. Impairment of Long-lived Assets We review and evaluate our long-lived assets for impairment whenever events or changes in circumstances indicate that the related carrying amounts may not be recoverable. Asset impairment is considered to exist if the total estimated undiscounted pretax future cash flows are less than the carrying amount of the asset. In estimating future cash flows, assets are grouped at the lowest level for which there is identifiable cash flows that are largely independent of future cash flows from other asset groups. An impairment loss is measured by discounted estimated future cash flows, and recorded by reducing the asset's carrying amount to fair value. Future cash flows are estimated based on estimated quantities of recoverable minerals, expected gold, silver, lead and zinc prices (considering current and historical prices, trends and related factors), production levels, operating costs, capital requirements and reclamation costs, all based on life-of-mine plans. Existing proven and probable reserves and value beyond proven and probable reserves, including mineralization other than proven and probable reserves are included when determining the fair value of mine site asset groups at acquisition and, subsequently, in determining whether the assets are impaired. The term “recoverable minerals” refers to the estimated amount of gold, silver, lead and zinc that will be obtained after taking into account losses during ore processing and treatment. Estimates of recoverable minerals from exploration stage mineral interests are risk adjusted based on management’s relative confidence in such materials. The ability to achieve the estimated quantities of recoverable minerals from exploration stage mineral interests involves further risks in addition to those risk factors applicable to mineral interests where proven and probable reserves have been identified, due to the lower level of confidence that the identified mineral resources could ultimately be mined economically. Assets classified as exploration potential have the highest level of risk that the carrying value of the asset can be ultimately realized, due to the still lower level of geological confidence and economic modeling. Gold, silver, zinc and lead prices are volatile and affected by many factors beyond the Company’s control, including prevailing interest rates and returns on other asset classes, expectations regarding inflation, speculation, currency values, governmental decisions regarding precious metals stockpiles, global and regional demand and production, political and economic conditions and other factors may affect the key assumptions used in the Company’s impairment testing. Various factors could impact our ability to achieve forecasted production levels from proven and probable reserves. Additionally, production, capital and reclamation costs could differ from the assumptions used in the cash flow models used to assess impairment. Actual results may vary from the Company’s estimates and result in additional Impairment of Long-lived Assets. Properties Held for Sale In determining whether to classify a property as held for sale, the Company considers whether: (i) management has committed to a plan to sell the property; (ii) the investment is available for immediate sale, in its present condition; (iii) the Company has initiated a program to locate a buyer; (iv) the Company believes that the sale of the property is probable; (v) the Company has received a significant non-refundable deposit for the purchase of the property; (vi) the Company is actively marketing the property for sale at a price that is reasonable in relation to its estimated fair value; and (vii) actions required for the Company to complete the plan indicate that it is unlikely that any significant changes will be made to the plan. If all of the above criteria are met, the Company classifies the property as held for sale. At September 30, 2021, the La Preciosa project met the held for sale criteria. However, considering that the La Preciosa project was not an operating mine, the Company determined that the expected disposal of the La Preciosa project did not represent a strategic shift that had a major effect on the entity's results and operations, therefore, the applicable assets, liabilities presented at December 31, 2021 are classified on the Consolidated Balance Sheets as held for sale. The operating results for the applicable period presented are not presented separately as held for sale. The closing of the sale of the La Preciosa project occurred on March 21, 2022. See Note 21 -- Dispositions. Restricted Assets The Company, under the terms of its self-insurance and bonding agreements with certain banks, lending institutions and regulatory agencies, is required to collateralize certain portions of its obligations. The Company has collateralized these obligations by assigning certificates of deposit that have maturity dates ranging from three months to a year, to the respective institutions or agencies. At December 31, 2022 and 2021, the Company held certificates of deposit and cash under these agreements of $9.0 million and $9.1 million, respectively. The ultimate timing of the release of the collateralized amounts is dependent on the timing and closure of each mine and repayment of the facility. In order to release the collateral, the Company must seek approval from certain government agencies responsible for monitoring the mine closure status. Collateral could also be released to the extent the Company is able to secure alternative financial assurance satisfactory to the regulatory agencies. The Company believes there is a reasonable probability that the collateral will remain in place beyond a twelve-month period and has therefore classified these investments as long-term. Leases We determine if an arrangement is, or contains, a lease at the inception date. Operating leases are included in Other assets, non-current with the related liabilities included in Accrued liabilities and Other and Other long-term liabilities. Assets under finance leases, which primarily represent property and equipment, are included in Property, plant and equipment, net, with the related liabilities included in debt, current and debt, non-current on the Consolidated Balance Sheet. Operating lease assets represent our right to use an underlying asset for the lease term and lease liabilities represent our obligation to make lease payments arising from the lease. Operating lease assets and liabilities are recognized at the lease commencement date based on the estimated present value of lease payments over the lease term. We use our estimated incremental borrowing rate in determining the present value of lease payments. Variable components of the lease payments such as maintenance costs are expensed as incurred and not included in determining the present value. Our lease terms include options to extend or terminate the lease when it is reasonably certain that we will exercise that option. We have elected to not recognize operating lease assets and liabilities for short-term leases that have a lease term of twelve months or less. Lease expense is recognized on a straight-line basis over the lease term. We have lease agreements with lease and non-lease components which are accounted for as a single lease component. See Note 9 -- Leases for additional information related to the Company’s operating and finance leases. Reclamation The Company recognizes obligations for the expected future retirement of tangible long-lived assets and other associated asset retirement costs. The fair value of a liability for an asset retirement obligation will be recognized in the period in which it is incurred if a reasonable estimate of fair value can be made. The fair value of the liability is added to the carrying amount of the associated asset and this additional carrying amount is depreciated over the life of the asset. An accretion cost, representing the increase over time in the present value of the liability, is recorded each period in Pre-development, reclamation, and other. As reclamation work is performed or liabilities are otherwise settled, the recorded amount of the liability is reduced. Future remediation costs for inactive mines are accrued based on management’s best estimate at the end of each period of the discounted costs expected to be incurred at the site. Such cost estimates include, where applicable, ongoing care and maintenance and monitoring costs. Changes in estimates are reflected prospectively in the period an estimate is revised. See Note 11 -- Reclamation for additional information. Foreign Currency The assets and liabilities of the Company’s foreign subsidiaries are measured using U.S. dollars as their functional currency. Revenues and expenses are remeasured at the average exchange rate for the period. Foreign currency gains and losses are included in the determination of net income or loss. Derivative Financial Instruments The Company is exposed to various market risks, including the effect of changes in metal prices, foreign exchange rates and interest rates, and uses derivatives to manage financial exposures that occur in the normal course of business. The Company may elect to designate certain derivatives as hedging instruments under U.S. GAAP. The Company, from time to time, uses derivative contracts to protect the Company’s exposure to fluctuations in metal prices and foreign exchange rates. The Company has elected to designate these instruments as cash flow hedges of forecasted transactions at their inception. Assuming normal market conditions, the change in the market value of such derivative contracts has historically been, and is expected to continue to be, highly effective at offsetting changes in price movements of the hedged item. The effective portions of cash flow hedges are recorded in Accumulated other comprehensive income (loss) until the hedged item is recognized in earnings. Deferred gains and losses associated with cash flow hedges of metal sales revenue are recognized as a component of Revenue in the same period as the related sale is recognized. Deferred gains and losses associated with cash flow hedges of foreign currency transactions are recognized as a component of Costs applicable to sales or Pre-development, reclamation and other in the same period the related expenses are incurred. For derivatives not designated as hedging instruments, the Company recognizes derivatives as either assets or liabilities on the Consolidated Balance Sheets and measures those instruments at fair value. Changes in the value of derivative instruments not designated as hedging instruments are recorded each period in the Consolidated Statements of Comprehensive Income (Loss) in Fair value adjustments, net or Revenue. Management applies judgment in estimating the fair value of instruments that are highly sensitive to assumptions regarding commodity prices, market volatilities, and foreign currency exchange rates. See Note 15 -- Derivative Financial Instruments and Hedging Activities for additional information. Stock-based Compensation The Company estimates the fair value of stock options using the Black-Scholes option pricing model and stock appreciation rights (“SARs”) awards using market comparison. Stock options granted are accounted for as equity-based awards and SARs are accounted for as liability-based awards. The value of the SARs is remeasured at each reporting date. The Company estimates forfeitures of stock-based awards based on historical data and periodically adjusts the forfeiture rate. The adjustment of the forfeiture rate is recorded as a cumulative adjustment in the period the forfeiture estimate is changed. Compensation costs related to stock based compensation are included in General and administrative expenses, Costs applicable to sales, and Property, plant, and equipment, net as deemed appropriate. The fair value of restricted stock is based on the Company's stock price on the date of grant. The fair value of performance leverage stock units with market conditions is determined using a Monte Carlo simulation model. Stock based compensation expense related to awards with a market or performance condition is generally recognized over the vesting period of the award utilizing the graded vesting method, while all other awards are recognized on a straight-line basis. The Company's estimates may be impacted by certain variables including, but not limited to, stock price volatility, employee stock option exercise behaviors, additional stock option grants, estimates of forfeitures, the Company's performance, and related tax impacts. See Note 13 -- Stock-Based Compensation for additional information. Income and Mining Taxes The Company uses an asset and liability approach which results in the recognition of deferred tax liabilities and assets for the expected future tax consequences or benefits of temporary differences between the financial reporting basis and the tax basis of assets and liabilities, as well as operating loss and tax credit carryforwards, using enacted tax rates in effect in the years in which the differences are expected to reverse. In assessing the realizability of deferred tax assets, management considers whether it is more likely than not that some portion or all of its deferred tax assets will not be realized. Management considers the scheduled reversal of deferred tax liabilities, projected future taxable income and tax planning strategies in making this assessment. A valuation allowance has been provided for the portion of the Company’s net deferred tax assets for which it is more likely than not that they will not be realized. Revenue Recognition The Company produces doré and concentrate that is shipped to third-party refiners and smelters, respectively, for processing. The Company enters into contracts to sell its metal to various third-party customers which may include the refiners and smelters that process the doré and concentrate. The Company’s performance obligation in these transactions is generally the transfer of metal to the customer. In the case of doré shipments, the Company generally sells refined metal at market prices agreed upon by both parties. The Company also has the right, but not the obligation, to sell a portion of the anticipated refined metal in advance of being fully refined. When the Company sells refined metal or advanced metal, the performance obligation is satisfied when the metal is delivered to the customer. Revenue and Costs applicable to sales are recorded on a gross basis under these contracts at the time the performance obligation is satisfied. Under the Company’s concentrate sales contracts with third-party smelters, metal prices are set on a specified future quotational period, typically one to three months, after the shipment date based on market prices. When the Company sells gold concentrate to the third-party smelters, the performance obligation is satisfied when risk of loss is transferred to the customer. The contracts, in general, provide for provisional payment based upon provisional assays and historical metal prices. Final settlement is based on the applicable price for the specified future quotational period and generally occurs three to six months after shipment. The Company’s provisionally priced sales contain an embedded derivative that is required to be separated from the host contract for accounting purposes. The host contract is the receivable from the sale of concentrates measured at the forward price at the time of sale. The embedded derivative does not qualify for hedge accounting and is adjusted to fair value through revenue each period until the date of final metal settlement. The Company also sells concentrate under off-take agreements to third-party customers that are responsible for arranging the smelting of the concentrate. Prices can either be fixed or based on a quotational period. The quotational period varies by contract, but is generally a one-month period following the shipment of the concentrate. The performance obligation is satisfied when risk of loss is transferred to the customer. The Company recognizes revenue from concentrate sales, net of treatment and refining charges, when it satisfies the performance obligation of transferring control of the concentrate to the customer. For doré and off-take sales, the Company may incur a finance charge related to advance sales that is not considered significant and, as such, is not considered a separate performance obligation. In addition, the Company has elected to treat freight costs as a fulfillment cost under ASC 606 and not as a separate performance obligation. The Company’s gold stream agreement with a subsidiary of Franco-Nevada Corporation (“Franco-Nevada”) provided for a $22.0 million deposit paid by Franco-Nevada in exchange for the right and obligation, commencing in 2016, to purchase 50% of a portion of Palmarejo gold production at the lesser of $800 or market price per ounce. Because there is no minimum obligation associated with the deposit, it is not considered financing, and each shipment is considered to be a separate performance obligation. The streaming agreement represents a contract liability under ASC 606, which requires the Company to ratably recognize a portion of the deposit as revenue for each gold ounce delivered to Franco-Nevada. The remaining unamortized balance is included in Accrued liabilities and other and Other long-term liabilities on the Consolidated Balance Sheets. See Note 19 -- Commitments and Contingencies for additional detail. The following table presents a roll forward of the Franco-Nevada contract liability balance:
|  |  | Year Ended December 31,
In thousands |  |  |  |  | 2022 |  | 2021 |  | 2020
Opening Balance |  |  |  |  | $ | 8,150 |  |  | $ | 9,376 |  |  | $ | 11,061 |
Revenue Recognized |  |  |  |  | (739) |  |  | (1,226) |  |  | (1,685) |
Closing Balance |  |  |  |  | $ | 7,411 |  |  | $ | 8,150 |  |  | $ | 9,376 |
In December 2021, the Company received a $15.0 million prepayment (the “December 2021 Prepayment”) for deliveries of gold concentrate from the Kensington mine pursuant to the Amended Sales Contract (as defined in Note 19 -- Commitments and Contingencies). In March 2022, the Company exercised an option to receive a $10.0 million prepayment (the “March 2022 Prepayment). The Amended Sales Contract was further amended in June 2022 to consolidate the remaining deliveries of $15.0 million and $10.0 million under the December 2021 Prepayment and March 2022 Prepayment (the “June 2022 Consolidated Prepayment”). In December 2022, the Company exercised an option to receive a $25.0 million prepayment (the “December 2022 Prepayment”) concurrent with the repayment of the June 2022 Consolidated Prepayment in full. The Amended Sales Contract represents a contract liability under ASC 606, which requires the Company to recognize ratably a portion of the deposit as revenue for each gold ounce delivered to the customer. The remaining contract liability is included in Accrued liabilities and other on the Consolidated Balance Sheets. See Note 19 -- Commitments and Contingencies for additional detail. The following table presents a roll forward of the Amended Sales Contract liability balance:
|  |  | Year Ended December 31,
In thousands |  |  |  |  | 2022 |  | 2021 |  | 2020
Opening Balance |  |  |  |  | $ | 15,016 |  |  | $ | 15,003 |  |  | $ | 15,009 |
Additions |  |  |  |  | 36,020 |  |  | 30,013 |  |  | 30,177 |
Revenue Recognized |  |  |  |  | (26,020) |  |  | (30,000) |  |  | (30,183) |
Closing Balance |  |  |  |  | $ | 25,016 |  |  | $ | 15,016 |  |  | $ | 15,003 |
Recently Issued Accounting Standards In March 2022, the FASB issued ASU 2022-01, “Derivatives and Hedging (Topic 815): Fair Value Hedging—Portfolio Layer Method” which is intended to make amendments to the fair value hedge accounting previously issued in ASU 2017-12 “Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging Activities”. The new standard is effective for reporting periods beginning after December 15, 2022. The standard introduced the portfolio layer method allowing multiple hedged layers of a single closed portfolio when applying fair value hedge accounting. The Company plans to adopt the new derivatives and hedging standards effective January 1, 2023 and does not expect the new derivatives and hedging standard to have a material effect on our financial position, results of operations or cash flows.

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