$AMRC
Ameresco, Inc. Stock $amrc

$amrc Overview Financials Valuation SEC Filings Company Website

2021 Q3 Form 10-Q Financial Statement

#000148813921000140 Filed on November 02, 2021

Income Statement

Concept	2021 Q3	2020 Q3	2019 Q4
Revenue	$273.7M	$282.5M	$306.6M
YoY Change	-3.12%	33.24%	41.05%
Cost Of Revenue	$214.9M	$231.1M	$259.0M
YoY Change	-7.04%	38.13%	53.98%
Gross Profit	$58.81M	$51.37M	$47.65M
YoY Change	14.48%	14.95%	-3.14%
Gross Profit Margin	21.49%	18.19%	15.54%
Selling, General & Admin	$35.17M	$26.86M	$28.90M
YoY Change	30.94%	-14.0%	-1.7%
% of Gross Profit	59.8%	52.28%	60.65%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$11.71M	$10.08M	$10.31M
YoY Change	16.18%	7.03%	21.44%
% of Gross Profit	19.9%	19.61%	21.64%
Operating Expenses	$35.17M	$26.86M	$29.10M
YoY Change	30.94%	-14.0%	-1.69%
Operating Profit	$23.65M	$24.52M	$18.55M
YoY Change	-3.55%	82.11%	-5.34%
Interest Expense	-$3.981M	$3.768M	-$3.700M
YoY Change	-205.65%	19.66%	-38.33%
% of Operating Profit	-16.84%	15.37%	-19.94%
Other Income/Expense, Net	-$4.557M	-$3.726M
YoY Change	22.3%	-11.12%
Pretax Income	$19.09M	$20.79M	$14.80M
YoY Change	-8.18%	124.26%	8.82%
Income Tax	-$1.192M	$3.100M	-$5.700M
% Of Pretax Income	-6.24%	14.91%	-38.51%
Net Earnings	$17.42M	$20.00M	$22.20M
YoY Change	-12.89%	125.5%	91.52%
Net Earnings / Revenue	6.37%	7.08%	7.24%
Basic Earnings Per Share	$0.34	$0.42	$0.47
Diluted Earnings Per Share	$0.33	$0.41	$0.46
COMMON SHARES
Basic Shares Outstanding	51.46M shares	47.79M shares	47.10M shares
Diluted Shares Outstanding	52.84M shares	49.10M shares	48.06M shares

Balance Sheet

Concept	2021 Q3	2020 Q3	2019 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$57.12M	$45.40M	$33.20M
YoY Change	25.8%	33.14%	-45.93%
Cash & Equivalents	$57.12M	$45.35M	$33.22M
Short-Term Investments
Other Short-Term Assets	$66.04M	$66.00M	$62.60M
YoY Change	0.06%	5.77%	24.7%
Inventory	$8.329M	$9.081M	$9.236M
Prepaid Expenses	$24.80M	$34.78M	$29.42M
Receivables	$365.8M	$325.9M	$315.1M
Other Receivables	$4.945M	$10.30M	$5.000M
Total Short-Term Assets	$502.2M	$456.6M	$425.2M
YoY Change	9.99%	33.86%	36.73%
LONG-TERM ASSETS
Property, Plant & Equipment	$8.692M	$9.545M	$10.10M
YoY Change	-8.94%	-8.83%	44.65%
Goodwill	$58.63M	$58.17M	$58.41M
YoY Change	0.79%	0.47%	0.14%
Intangibles	$687.0K	$1.072M	$1.614M
YoY Change	-35.91%	-40.77%	-19.46%
Long-Term Investments
YoY Change
Other Assets	$15.41M	$22.25M	$11.79M
YoY Change	-30.75%	-39.52%	-59.9%
Total Long-Term Assets	$1.466B	$1.128B	$948.8M
YoY Change	29.95%	36.04%	11.54%
TOTAL ASSETS
Total Short-Term Assets	$502.2M	$456.6M	$425.2M
Total Long-Term Assets	$1.466B	$1.128B	$948.8M
Total Assets	$1.968B	$1.585B	$1.374B
YoY Change	24.2%	35.4%	18.28%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$196.5M	$205.5M	$202.4M
YoY Change	-4.41%	53.58%	50.69%
Accrued Expenses	$41.96M	$30.06M	$31.36M
YoY Change	39.59%	4.74%	-12.77%
Deferred Revenue	$28.02M	$35.32M	$26.62M
YoY Change	-20.67%	52.02%	9.26%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$74.90M	$61.52M	$69.97M
YoY Change	21.75%	11.94%	160.2%
Total Short-Term Liabilities	$348.9M	$338.7M	$336.6M
YoY Change	3.03%	37.3%	51.21%
LONG-TERM LIABILITIES
Long-Term Debt	$325.3M	$278.1M	$266.2M
YoY Change	16.98%	24.26%	21.45%
Other Long-Term Liabilities	$43.20M	$39.53M	$29.58M
YoY Change	9.29%	27.56%	1.24%
Total Long-Term Liabilities	$43.20M	$39.53M	$295.8M
YoY Change	9.29%	27.56%	19.08%
TOTAL LIABILITIES
Total Short-Term Liabilities	$348.9M	$338.7M	$336.6M
Total Long-Term Liabilities	$43.20M	$39.53M	$295.8M
Total Liabilities	$392.1M	$378.2M	$632.4M
YoY Change	3.68%	36.21%	34.27%
SHAREHOLDERS EQUITY
Retained Earnings	$410.6M	$344.9M	$314.5M
YoY Change	19.02%	18.03%	16.55%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)	$11.79M	$11.79M	$11.78M
YoY Change	0.0%	0.09%	1.24%
Treasury Stock Shares	2.102M shares		2.101M shares
Shareholders Equity	$668.8M	$463.1M	$428.9M
YoY Change
Total Liabilities & Shareholders Equity	$1.968B	$1.585B	$1.374B
YoY Change	24.2%	35.4%	18.28%

Cashflow Statement

Concept	2021 Q3	2020 Q3	2019 Q4
OPERATING ACTIVITIES
Net Income	$17.42M	$20.00M	$22.20M
YoY Change	-12.89%	125.5%	91.52%
Depreciation, Depletion And Amortization	$11.71M	$10.08M	$10.31M
YoY Change	16.18%	7.03%	21.44%
Cash From Operating Activities	-$19.86M	-$10.20M	-$75.56M
YoY Change	94.72%	-11.15%	257.09%
INVESTING ACTIVITIES
Capital Expenditures	-$44.35M	-$48.90M	-$62.30M
YoY Change	-9.31%	68.33%	-24.58%
Acquisitions
YoY Change
Other Investing Activities	$0.00	$0.00	$0.00
YoY Change		-100.0%	-100.0%
Cash From Investing Activities	-$44.35M	-$48.90M	-$62.29M
YoY Change	-9.31%	67.58%	165.06%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	64.34M	63.09M	144.5M
YoY Change	1.99%	69.51%	216.14%
NET CHANGE
Cash From Operating Activities	-19.86M	-10.20M	-75.56M
Cash From Investing Activities	-44.35M	-48.90M	-62.29M
Cash From Financing Activities	64.34M	63.09M	144.5M
Net Change In Cash	133.0K	3.990M	6.690M
YoY Change	-96.67%	-215.99%	531.13%
FREE CASH FLOW
Cash From Operating Activities	-$19.86M	-$10.20M	-$75.56M
Capital Expenditures	-$44.35M	-$48.90M	-$62.30M
Free Cash Flow	$24.49M	$38.70M	-$13.26M
YoY Change	-36.72%	120.26%	-121.58%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Central Index Key EntityCentralIndexKey	0001488139
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Amendment Flag AmendmentFlag	false
CY2021Q3	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#PropertyPlantAndEquipmentOtherNet
CY2020Q4	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#PropertyPlantAndEquipmentOtherNet
CY2020Q4	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#LongTermDebtAndCapitalLeaseObligations
CY2021Q3	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#LongTermDebtAndCapitalLeaseObligations
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	001-34811
	dei	Entity File Number EntityFileNumber	001-34811
	dei	Entity Registrant Name EntityRegistrantName	Ameresco, Inc.
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	04-3512838
	dei	Entity Address Address Line1 EntityAddressAddressLine1	111 Speen Street
	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 410
CY2021Q3	us-gaap	Accounts Receivable Net AccountsReceivableNet	112893000	USD
	dei	Entity Address City Or Town EntityAddressCityOrTown	Framingham
	dei	Entity Address State Or Province EntityAddressStateOrProvince	MA
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	01701
	dei	City Area Code CityAreaCode	508
	dei	Local Phone Number LocalPhoneNumber	661-2200
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
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	us-gaap	Profit Loss ProfitLoss	50597000	USD
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CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	20002000	USD
	us-gaap	Net Income Loss NetIncomeLoss	42252000	USD
	us-gaap	Net Income Loss NetIncomeLoss	30568000	USD
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.34
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.42
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.83
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.64
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.33
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.41
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.81
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.62
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	51464000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	47788000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50599000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	47597000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	52839000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	49101000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	52013000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	48785000	shares
CY2021Q3	us-gaap	Profit Loss ProfitLoss	20280000	USD
CY2020Q3	us-gaap	Profit Loss ProfitLoss	17689000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	131000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	199000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	436000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	638000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-1118000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	861000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-682000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1499000	USD
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	19598000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	19188000	USD
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	2857000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-2313000	USD
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	16741000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	21501000	USD
	us-gaap	Profit Loss ProfitLoss	50597000	USD
	us-gaap	Profit Loss ProfitLoss	33161000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	662000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	-1209000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	2081000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-3412000	USD
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-227000	USD
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-769000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1854000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-4181000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	52451000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	28980000	USD
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	8345000	USD
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	2593000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	44106000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	26387000	USD
CY2020Q2	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	36303000	USD
CY2020Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	439673000	USD
CY2020Q3	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	1450000	USD
CY2020Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	522000	USD
CY2020Q3	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	2000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	638000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	861000	USD
CY2020Q3	amrc	Noncontrolling Interest In Net Of Tax Equity Financing Fees Redeemable NoncontrollingInterestInNetOfTaxEquityFinancingFeesRedeemable	635000	USD
CY2020Q3	amrc	Noncontrolling Interest Increase From Contributions From Noncontrolling Interest Holders NoncontrollingInterestIncreaseFromContributionsFromNoncontrollingInterestHolders	2865000	USD
CY2020Q3	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	525000	USD
CY2020Q3	amrc	Temporary Equity Accretion Of Tax Equity Financing Fee TemporaryEquityAccretionOfTaxEquityFinancingFee	91000	USD
CY2020Q3	amrc	Stockholders Equity Adjustment For Accretion Of Tax Equity Financing Fees StockholdersEquityAdjustmentForAccretionOfTaxEquityFinancingFees	91000	USD
CY2020Q3	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	-2313000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	20002000	USD
CY2020Q3	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	36421000	USD
CY2020Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	463057000	USD
CY2021Q2	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	46003000	USD
CY2021Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	645575000	USD
CY2021Q3	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	3000	USD
CY2021Q3	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	1619000	USD
CY2021Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2166000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	436000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-1118000	USD
CY2021Q3	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	180000	USD
CY2021Q3	amrc	Temporary Equity Accretion Of Tax Equity Financing Fee TemporaryEquityAccretionOfTaxEquityFinancingFee	27000	USD
CY2021Q3	amrc	Stockholders Equity Adjustment For Accretion Of Tax Equity Financing Fees StockholdersEquityAdjustmentForAccretionOfTaxEquityFinancingFees	27000	USD
CY2021Q3	amrc	Temporary Equity Call Option Exercise TemporaryEquityCallOptionExercise	3759000	USD
CY2021Q3	us-gaap	Adjustments To Additional Paid In Capital Increase In Carrying Amount Of Redeemable Preferred Stock AdjustmentsToAdditionalPaidInCapitalIncreaseInCarryingAmountOfRedeemablePreferredStock	-2759000	USD
CY2021Q3	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	2857000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	17423000	USD
CY2021Q3	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	44948000	USD
CY2021Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	668836000	USD
CY2019Q4	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	31616000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	428856000	USD
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	6088000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1380000	USD
	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	443000	USD
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	6000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-3412000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-769000	USD
	amrc	Noncontrolling Interest In Net Of Tax Equity Financing Fees Redeemable NoncontrollingInterestInNetOfTaxEquityFinancingFeesRedeemable	635000	USD
	amrc	Noncontrolling Interest Increase From Contributions From Noncontrolling Interest Holders NoncontrollingInterestIncreaseFromContributionsFromNoncontrollingInterestHolders	3353000	USD
	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	1232000	USD
	amrc	Temporary Equity Accretion Of Tax Equity Financing Fee TemporaryEquityAccretionOfTaxEquityFinancingFee	91000	USD
	amrc	Stockholders Equity Adjustment For Accretion Of Tax Equity Financing Fees StockholdersEquityAdjustmentForAccretionOfTaxEquityFinancingFees	91000	USD
	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	2593000	USD
	us-gaap	Net Income Loss NetIncomeLoss	30568000	USD
CY2020Q3	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	36421000	USD
CY2020Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	463057000	USD
CY2020Q4	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	38850000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	492813000	USD
	us-gaap	Adjustments To Additional Paid In Capital Stock Issued Issuance Costs AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts	6416000	USD
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	120084000	USD
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	4230000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	4280000	USD
	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	653000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	2081000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-227000	USD
	amrc	Noncontrolling Interest In Net Of Tax Equity Financing Fees Redeemable NoncontrollingInterestInNetOfTaxEquityFinancingFeesRedeemable	65000	USD
	amrc	Noncontrolling Interest Increase From Contributions From Noncontrolling Interest Holders NoncontrollingInterestIncreaseFromContributionsFromNoncontrollingInterestHolders	2251000	USD
	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	828000	USD
	amrc	Temporary Equity Accretion Of Tax Equity Financing Fee TemporaryEquityAccretionOfTaxEquityFinancingFee	89000	USD
	amrc	Temporary Equity Call Option Exercise TemporaryEquityCallOptionExercise	3759000	USD
	amrc	Stockholders Equity Adjustment For Accretion Of Tax Equity Financing Fees StockholdersEquityAdjustmentForAccretionOfTaxEquityFinancingFees	89000	USD
	us-gaap	Adjustments To Additional Paid In Capital Increase In Carrying Amount Of Redeemable Preferred Stock AdjustmentsToAdditionalPaidInCapitalIncreaseInCarryingAmountOfRedeemablePreferredStock	-2759000	USD
	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	8345000	USD
	us-gaap	Net Income Loss NetIncomeLoss	42252000	USD
CY2021Q3	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	44948000	USD
CY2021Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	668836000	USD
	us-gaap	Profit Loss ProfitLoss	50597000	USD
	us-gaap	Profit Loss ProfitLoss	33161000	USD
	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	31449000	USD
	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	28496000	USD
	us-gaap	Depreciation Depreciation	2397000	USD
	us-gaap	Depreciation Depreciation	2492000	USD
	amrc	Accretion Of Aro And Contingent Consideration AccretionOfAROAndContingentConsideration	90000	USD
	amrc	Accretion Of Aro And Contingent Consideration AccretionOfAROAndContingentConsideration	64000	USD
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	2085000	USD
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	1849000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	241000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	528000	USD
	amrc	Provisionfor Doubtful Accounts Including Retainage Accounts ProvisionforDoubtfulAccountsIncludingRetainageAccounts	29000	USD
	amrc	Provisionfor Doubtful Accounts Including Retainage Accounts ProvisionforDoubtfulAccountsIncludingRetainageAccounts	-1089000	USD
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-1901000	USD
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-2146000	USD
	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-1892000	USD
	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-971000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	4280000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	1380000	USD
	amrc	Deferred Income Tax Expense Benefit Excluding Effects Of Exchange Rates On Cash DeferredIncomeTaxExpenseBenefitExcludingEffectsOfExchangeRatesOnCash	-1834000	USD
	amrc	Deferred Income Tax Expense Benefit Excluding Effects Of Exchange Rates On Cash DeferredIncomeTaxExpenseBenefitExcludingEffectsOfExchangeRatesOnCash	5146000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	-124000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	43000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-27721000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	21178000	USD
	amrc	Increase Decrease In Accounts Receivable Retainage IncreaseDecreaseInAccountsReceivableRetainage	9214000	USD
	amrc	Increase Decrease In Accounts Receivable Retainage IncreaseDecreaseInAccountsReceivableRetainage	7422000	USD
	us-gaap	Financing Receivable Significant Sales FinancingReceivableSignificantSales	187984000	USD
	us-gaap	Financing Receivable Significant Sales FinancingReceivableSignificantSales	160231000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-246000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-155000	USD
	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	22166000	USD
	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	-24824000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-3771000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-3916000	USD
	us-gaap	Increase Decrease In Construction Payables IncreaseDecreaseInConstructionPayables	15000	USD
	us-gaap	Increase Decrease In Construction Payables IncreaseDecreaseInConstructionPayables	-2557000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	3595000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-1050000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-17677000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-2942000	USD
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-5856000	USD
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	9019000	USD
	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-155000	USD
	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	1972000	USD
	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	5299000	USD
	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-5496000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-116344000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-83789000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2133000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1968000	USD
	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	147967000	USD
	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	125504000	USD
	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	0	USD
	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	130000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-150100000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-127602000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	120084000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	2650000	USD
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	3955000	USD
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	4883000	USD
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	6531000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	6000	USD
	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	-38073000	USD
	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	6000000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	118160000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	40604000	USD
	amrc	Proceeds From Federal Espc Funding ProceedsFromFederalESPCFunding	114185000	USD
	amrc	Proceeds From Federal Espc Funding ProceedsFromFederalESPCFunding	194586000	USD
	amrc	Payments For Investment Assets PaymentsForInvestmentAssets	174000	USD
	amrc	Proceeds From Sale Of Investment Assets ProceedsFromSaleOfInvestmentAssets	1435000	USD
	us-gaap	Payments For Repurchase Of Redeemable Noncontrolling Interest PaymentsForRepurchaseOfRedeemableNoncontrollingInterest	1000000	USD
	us-gaap	Payments For Repurchase Of Redeemable Noncontrolling Interest PaymentsForRepurchaseOfRedeemableNoncontrollingInterest	0	USD
	us-gaap	Proceeds From Contributions From Affiliates ProceedsFromContributionsFromAffiliates	1468000	USD
	us-gaap	Proceeds From Contributions From Affiliates ProceedsFromContributionsFromAffiliates	2854000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	55616000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	42550000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	261267000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	205499000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	118000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-465000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-5059000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-6357000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	98837000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	77264000	USD
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	us-gaap	Interest Paid Net InterestPaidNet	14764000	USD
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	us-gaap	Income Taxes Paid IncomeTaxesPaid	1057000	USD
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	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	38747000	USD
	us-gaap	Nature Of Operations NatureOfOperations	BASIS OF PRESENTATION<div style="margin-bottom:9pt;margin-top:9pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The accompanying condensed consolidated financial statements of Ameresco, Inc. (including its subsidiaries, the “Company,” “Ameresco,” “we,” “our,” or “us”) are unaudited, according to certain rules and regulations of the Securities and Exchange Commission, and include, in our opinion, normal recurring adjustments necessary for a fair presentation in conformity with accounting principles generally accepted in the United States (“GAAP”) of the results for the periods indicated.</span></div><div style="margin-bottom:9pt;margin-top:9pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The results of operations for the three and nine months ended September 30, 2021 are not necessarily indicative of results which may be expected for the full year. The December 31, 2020 consolidated balance sheet data was derived from audited financial statements, but certain information and footnote disclosures normally included in consolidated financial statements prepared in accordance with GAAP have been condensed or omitted. The interim condensed consolidated financial statements and accompanying notes should be read in conjunction with the audited consolidated financial statements and accompanying notes for the year ended December 31, 2020, included in our annual report on Form </span><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="http://www.sec.gov/ix?doc=/Archives/edgar/data/1488139/000148813921000036/amrc-20201231.htm" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline">10-K </a></span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">(“2020 Annual Report” or “2020 Form 10-K”) for the year ended December 31, 2020 filed with the Securities and Exchange Commission on March 2, 2021.</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Reclassification</span></div><div style="margin-bottom:9pt;margin-top:9pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Certain prior period amounts were reclassified to conform to the presentation in the current period.</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Significant Risks and Uncertainties</span></div><div style="margin-bottom:9pt;margin-top:9pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The COVID-19 pandemic has continued to result in global supply chain disruptions and the resurgence of COVID-19 and its variants has caused some governments to extend travel and other restrictions. On September 9, 2021, President Biden issued an Executive Order requiring COVID-19 vaccinations for Federal employees. As a result, we are in the process of implementing this mandate for our employees and subcontractors who work in our Federal business segment. </span></div><div style="margin-bottom:9pt;margin-top:9pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">We have considered the impact of COVID-19 on the assumptions and estimates used, which may change in response to this evolving situation. Results of future operations and liquidity could be adversely impacted by a number of factors associated with the COVID-19 pandemic including payments of outstanding receivable amounts beyond normal payment terms, supply chain disruptions, potential loss of employees due to vaccine mandates, and uncertain demand. As of the date of issuance of these condensed consolidated financial statements, we cannot reasonably estimate the extent to which the COVID-19 pandemic may impact our financial condition, liquidity, or results of operations in the foreseeable future. The ultimate impact of the pandemic on us is highly uncertain and will depend on future developments, and such impacts could exist for an extended period of time, even after the pandemic subsides.</span></div>
	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Reclassification</span></div><div style="margin-bottom:9pt;margin-top:9pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Certain prior period amounts were reclassified to conform to the presentation in the current period.</span></div>
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	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	717956000	USD
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CY2021Q3	us-gaap	Secured Debt SecuredDebt	37411000	USD
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1192000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3100000	USD
CY2021Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.062
CY2020Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.149
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-883000	USD
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.018
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.018
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	600000	USD
	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	200000	USD
CY2021Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	800000	USD
CY2021Q3	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	400000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	190000	USD
CY2017Q4	us-gaap	Loss Contingency Number Of Defendants LossContingencyNumberOfDefendants	9	contractor
CY2021Q3	amrc	Equity Method Investments Venture Investments Investment Position Net Asset Liability EquityMethodInvestmentsVentureInvestmentsInvestmentPositionNetAssetLiability	1065000	USD
CY2020Q4	amrc	Equity Method Investments Venture Investments Investment Position Net Asset Liability EquityMethodInvestmentsVentureInvestmentsInvestmentPositionNetAssetLiability	1189000	USD
CY2021Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-25000	USD
CY2020Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-50000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-128000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-127000	USD
	us-gaap	Payments For Repurchase Of Redeemable Noncontrolling Interest PaymentsForRepurchaseOfRedeemableNoncontrollingInterest	1000000	USD
	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	80000000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	17423000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	20002000	USD
	us-gaap	Net Income Loss NetIncomeLoss	42252000	USD
	us-gaap	Net Income Loss NetIncomeLoss	30568000	USD
CY2021Q3	amrc	Adjustment For Accretion Of Tax Equity Financing Fees AdjustmentForAccretionOfTaxEquityFinancingFees	27000	USD
CY2020Q3	amrc	Adjustment For Accretion Of Tax Equity Financing Fees AdjustmentForAccretionOfTaxEquityFinancingFees	91000	USD
	amrc	Adjustment For Accretion Of Tax Equity Financing Fees AdjustmentForAccretionOfTaxEquityFinancingFees	89000	USD
	amrc	Adjustment For Accretion Of Tax Equity Financing Fees AdjustmentForAccretionOfTaxEquityFinancingFees	91000	USD
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	17396000	USD
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	19911000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	42163000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	30477000	USD
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	51464000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	47788000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50599000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	47597000	shares
CY2021Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1375000	shares
CY2020Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1313000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1414000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1188000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	52839000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	49101000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	52013000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	48785000	shares
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.34
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.42
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.83
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.64
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.33
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.41
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.81
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.62
CY2021Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	993000	shares
CY2020Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1268000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1429000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1146000	shares
CY2021Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2166000	USD
CY2020Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	522000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	4280000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1380000	USD
CY2021Q3	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions	27777000	USD
CY2021Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	273682000	USD
CY2021Q3	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-667000	USD
CY2021Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-4153000	USD
CY2021Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	11705000	USD
CY2021Q3	amrc	Income Before Income Taxes And Unallocated Corporate Expenses IncomeBeforeIncomeTaxesAndUnallocatedCorporateExpenses	30984000	USD
CY2020Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	282507000	USD
CY2020Q3	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-454000	USD
CY2020Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-3279000	USD
CY2020Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	10075000	USD
CY2020Q3	amrc	Income Before Income Taxes And Unallocated Corporate Expenses IncomeBeforeIncomeTaxesAndUnallocatedCorporateExpenses	30130000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	799804000	USD
	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-1892000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-10065000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	32718000	USD
	amrc	Income Before Income Taxes And Unallocated Corporate Expenses IncomeBeforeIncomeTaxesAndUnallocatedCorporateExpenses	82840000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	717956000	USD
	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-971000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-9909000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	30080000	USD
	amrc	Income Before Income Taxes And Unallocated Corporate Expenses IncomeBeforeIncomeTaxesAndUnallocatedCorporateExpenses	63811000	USD
CY2021Q3	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-667000	USD
CY2020Q3	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-454000	USD
	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-1892000	USD
	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-971000	USD
CY2021Q3	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-3981000	USD
CY2020Q3	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-3528000	USD
	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-10031000	USD
	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-11829000	USD
CY2021Q3	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	607000	USD
CY2020Q3	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	674000	USD
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	2085000	USD
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	1849000	USD
CY2021Q3	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-317000	USD
CY2020Q3	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	249000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-682000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-24000	USD
CY2021Q3	amrc	Government Incentives GovernmentIncentives	1015000	USD
CY2020Q3	amrc	Government Incentives GovernmentIncentives	681000	USD
	amrc	Government Incentives GovernmentIncentives	1011000	USD
	amrc	Government Incentives GovernmentIncentives	1506000	USD
CY2021Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-4557000	USD
CY2020Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-3726000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-13679000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-13167000	USD

Files In Submission

Name	View Source	Status
0001488139-21-000140-index-headers.html	Edgar Link	pending
0001488139-21-000140-index.html	Edgar Link	pending
0001488139-21-000140.txt	Edgar Link	pending
0001488139-21-000140-xbrl.zip	Edgar Link	pending
amrc-20210930.htm	Edgar Link	pending
amrc-20210930.xsd	Edgar Link	pending
amrc-20210930_cal.xml	Edgar Link	unprocessable
amrc-20210930_def.xml	Edgar Link	unprocessable
amrc-20210930_htm.xml	Edgar Link	completed
amrc-20210930_lab.xml	Edgar Link	unprocessable
amrc-20210930_pre.xml	Edgar Link	unprocessable
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amrc_20210930x10-qxexx312.htm	Edgar Link	pending
amrc_20210930x10-qxexx321.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
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$AMRC
Ameresco, Inc. Stock $amrc

2021 Q3 Form 10-Q Financial Statement

#000148813921000140 Filed on November 02, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AMRC Ameresco, Inc. Stock $amrc

2021 Q3 Form 10-Q Financial Statement

#000148813921000140 Filed on November 02, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AMRC
Ameresco, Inc. Stock $amrc