$AMRC
Ameresco, Inc. Stock $amrc

$amrc Overview Financials Valuation SEC Filings Company Website

2022 Q1 Form 10-Q Financial Statement

#000148813922000072 Filed on May 03, 2022

Income Statement

Concept	2022 Q1	2021 Q4	2021 Q1
Revenue	$474.0M	$415.9M	$252.2M
YoY Change	87.95%	32.32%	18.73%
Cost Of Revenue	$405.6M	$344.6M	$205.3M
YoY Change	97.58%	34.55%	18.01%
Gross Profit	$68.38M	$71.31M	$46.91M
YoY Change	45.77%	22.53%	22.01%
Gross Profit Margin	14.43%	17.15%	18.6%
Selling, General & Admin	$39.69M	$39.19M	$28.60M
YoY Change	38.78%	16.99%	-1.12%
% of Gross Profit	58.05%	54.96%	60.97%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$12.66M	$12.49M	$10.15M
YoY Change	24.7%	18.61%	3.21%
% of Gross Profit	18.51%	17.51%	21.64%
Operating Expenses	$39.69M	$39.27M	$28.60M
YoY Change	38.78%	16.88%	-1.12%
Operating Profit	$28.69M	$32.04M	$18.31M
YoY Change	56.69%	30.25%	92.27%
Interest Expense	-$4.489M	-$3.442M	$3.472M
YoY Change	-229.29%		-5.68%
% of Operating Profit	-15.65%	-10.74%	18.96%
Other Income/Expense, Net	-$7.081M	-$169.0K	-$3.672M
YoY Change	92.84%	-91.11%	-31.86%
Pretax Income	$21.61M	$28.43M	$14.64M
YoY Change	47.62%	25.24%	254.13%
Income Tax	$2.307M	-$1.164M	$2.205M
% Of Pretax Income	10.68%	-4.09%	15.07%
Net Earnings	$17.38M	$28.21M	$11.17M
YoY Change	55.58%	20.03%	80.2%
Net Earnings / Revenue	3.67%	6.78%	4.43%
Basic Earnings Per Share	$0.34		$0.23
Diluted Earnings Per Share	$0.32	$531.9K	$0.22
COMMON SHARES
Basic Shares Outstanding	51.74M shares		48.98M shares
Diluted Shares Outstanding	53.64M shares		50.36M shares

Balance Sheet

Concept	2022 Q1	2021 Q4	2021 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$68.29M	$50.45M	$81.00M
YoY Change	-15.69%	-24.02%	100.5%
Cash & Equivalents	$68.29M	$50.45M	$80.97M
Short-Term Investments
Other Short-Term Assets	$57.98M	$62.86M	$66.20M
YoY Change	-12.42%	-3.0%	10.52%
Inventory	$9.720M	$8.807M	$8.527M
Prepaid Expenses	$19.03M	$25.38M	$26.75M
Receivables	$704.9M	$511.2M	$324.6M
Other Receivables	$4.337M	$5.261M	$5.500M
Total Short-Term Assets	$845.2M	$638.6M	$485.8M
YoY Change	73.99%	30.13%	10.89%
LONG-TERM ASSETS
Property, Plant & Equipment	$13.06M	$13.12M	$8.804M
YoY Change	48.38%	46.04%	-11.54%
Goodwill	$71.33M	$71.16M	$58.81M
YoY Change	21.29%	21.19%	1.85%
Intangibles	$5.974M	$6.961M	$847.0K
YoY Change	605.31%	650.92%	-39.84%
Long-Term Investments		$9.206M
YoY Change
Other Assets	$24.59M	$22.78M	$18.05M
YoY Change	36.26%	48.81%	-49.63%
Total Long-Term Assets	$1.685B	$1.586B	$1.363B
YoY Change	23.65%	25.55%	39.72%
TOTAL ASSETS
Total Short-Term Assets	$845.2M	$638.6M	$485.8M
Total Long-Term Assets	$1.685B	$1.586B	$1.363B
Total Assets	$2.531B	$2.225B	$1.849B
YoY Change	36.88%	26.83%	30.78%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$231.5M	$309.0M	$202.1M
YoY Change	14.55%	33.8%	10.84%
Accrued Expenses	$43.78M	$43.31M	$40.30M
YoY Change	8.65%	3.74%	23.88%
Deferred Revenue	$31.73M	$35.92M	$30.21M
YoY Change	5.02%	5.69%	19.18%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$80.19M	$78.93M	$71.77M
YoY Change	11.73%	13.8%	3.59%
Total Short-Term Liabilities	$395.1M	$474.2M	$351.6M
YoY Change	12.39%	23.79%	11.23%
LONG-TERM LIABILITIES
Long-Term Debt	$659.7M	$377.2M	$268.4M
YoY Change	145.79%	21.01%	-6.02%
Other Long-Term Liabilities	$44.28M	$43.18M	$35.99M
YoY Change	23.03%	14.65%	0.33%
Total Long-Term Liabilities	$44.28M	$43.18M	$35.99M
YoY Change	23.03%	14.65%	0.33%
TOTAL LIABILITIES
Total Short-Term Liabilities	$395.1M	$474.2M	$351.6M
Total Long-Term Liabilities	$44.28M	$43.18M	$35.99M
Total Liabilities	$439.4M	$517.4M	$387.6M
YoY Change	13.38%	22.97%	10.12%
SHAREHOLDERS EQUITY
Retained Earnings	$456.1M	$438.7M	$379.5M
YoY Change	20.17%	19.09%	18.36%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)	$11.79M	$11.79M	$11.79M
YoY Change	0.0%	0.0%	0.0%
Treasury Stock Shares	2.102M shares	2.102M shares	2.102M shares
Shareholders Equity	$729.9M	$704.3M	$628.9M
YoY Change
Total Liabilities & Shareholders Equity	$2.531B	$2.225B	$1.849B
YoY Change	36.88%	26.83%	30.78%

Cashflow Statement

Concept	2022 Q1	2021 Q4	2021 Q1
OPERATING ACTIVITIES
Net Income	$17.38M	$28.21M	$11.17M
YoY Change	55.58%	20.03%	80.2%
Depreciation, Depletion And Amortization	$12.66M	$12.49M	$10.15M
YoY Change	24.7%	18.61%	3.21%
Cash From Operating Activities	-$276.1M	-$55.95M	-$38.72M
YoY Change	613.05%	197.78%	-25.01%
INVESTING ACTIVITIES
Capital Expenditures	$889.0K	-$33.68M	$656.0K
YoY Change	35.52%	-39.09%	-9.39%
Acquisitions	$0.00
YoY Change
Other Investing Activities		-$21.48M	$0.00
YoY Change		-1248.77%	-100.0%
Cash From Investing Activities	-$57.73M	-$55.16M	-$56.48M
YoY Change	2.22%	3.25%	92.45%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$0.00		-$120.2M
YoY Change	-100.0%		-2003700.0%
Debt Paid & Issued, Net	$77.43M		$19.07M
YoY Change	305.98%		58.69%
Cash From Financing Activities	$355.4M	104.2M	$112.4M
YoY Change	216.24%	4.54%	33.9%
NET CHANGE
Cash From Operating Activities	-$276.1M	-55.95M	-$38.72M
Cash From Investing Activities	-$57.73M	-55.16M	-$56.48M
Cash From Financing Activities	$355.4M	104.2M	$112.4M
Net Change In Cash	$21.35M	-6.915M	$17.51M
YoY Change	21.92%	-125.18%	619.98%
FREE CASH FLOW
Cash From Operating Activities	-$276.1M	-$55.95M	-$38.72M
Capital Expenditures	$889.0K	-$33.68M	$656.0K
Free Cash Flow	-$277.0M	-$22.28M	-$39.38M
YoY Change	603.43%	-161.03%	-24.8%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2022Q1	dei	Entity Central Index Key EntityCentralIndexKey	0001488139
CY2022Q1	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2022Q1	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2022Q1	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q1
CY2022Q1	dei	Amendment Flag AmendmentFlag	false
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2266000	USD
CY2022Q1	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#PropertyPlantAndEquipmentOtherNet
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#PropertyPlantAndEquipmentOtherNet
CY2021Q4	us-gaap	Finance Lease Liability Current Statement Of Financial Position Extensible List FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#LongTermDebtCurrent
CY2022Q1	us-gaap	Finance Lease Liability Current Statement Of Financial Position Extensible List FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#LongTermDebtCurrent
CY2021Q4	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#LongTermDebtAndCapitalLeaseObligations
CY2022Q1	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#LongTermDebtAndCapitalLeaseObligations
CY2022Q1	dei	Document Type DocumentType	10-Q
CY2022Q1	dei	Document Quarterly Report DocumentQuarterlyReport	true
CY2022Q1	dei	Document Period End Date DocumentPeriodEndDate	2022-03-31
CY2022Q1	dei	Document Transition Report DocumentTransitionReport	false
CY2022Q1	dei	Entity File Number EntityFileNumber	001-34811
CY2022Q1	dei	Entity File Number EntityFileNumber	001-34811
CY2022Q1	dei	Entity Registrant Name EntityRegistrantName	Ameresco, Inc.
CY2022Q1	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2022Q1	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	04-3512838
CY2022Q1	dei	Entity Address Address Line1 EntityAddressAddressLine1	111 Speen Street
CY2022Q1	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 410
CY2022Q1	dei	Entity Address City Or Town EntityAddressCityOrTown	Framingham
CY2022Q1	dei	Entity Address State Or Province EntityAddressStateOrProvince	MA
CY2022Q1	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	01701
CY2022Q1	dei	City Area Code CityAreaCode	508
CY2022Q1	dei	Local Phone Number LocalPhoneNumber	661-2200
CY2022Q1	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2022Q1	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2022Q1	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2022Q1	dei	Entity Small Business EntitySmallBusiness	false
CY2022Q1	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2022Q1	dei	Entity Shell Company EntityShellCompany	false
CY2022Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	68288000	USD
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	50450000	USD
CY2022Q1	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	26792000	USD
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	24267000	USD
CY2022Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2265000	USD
CY2022Q1	us-gaap	Accounts Receivable Net AccountsReceivableNet	204082000	USD
CY2021Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	161970000	USD
CY2022Q1	us-gaap	Receivables Long Term Contracts Or Programs ReceivablesLongTermContractsOrPrograms	40555000	USD
CY2021Q4	us-gaap	Receivables Long Term Contracts Or Programs ReceivablesLongTermContractsOrPrograms	43067000	USD
CY2022Q1	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	460240000	USD
CY2021Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	306172000	USD
CY2022Q1	us-gaap	Inventory Net InventoryNet	9720000	USD
CY2021Q4	us-gaap	Inventory Net InventoryNet	8807000	USD
CY2022Q1	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	19025000	USD
CY2021Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	25377000	USD
CY2022Q1	us-gaap	Income Tax Receivable IncomeTaxReceivable	4337000	USD
CY2021Q4	us-gaap	Income Tax Receivable IncomeTaxReceivable	5261000	USD
CY2022Q1	us-gaap	Capitalized Contract Cost Net Current CapitalizedContractCostNetCurrent	12162000	USD
CY2021Q4	us-gaap	Capitalized Contract Cost Net Current CapitalizedContractCostNetCurrent	13214000	USD
CY2022Q1	us-gaap	Assets Current AssetsCurrent	845201000	USD
CY2021Q4	us-gaap	Assets Current AssetsCurrent	638585000	USD
CY2022Q1	us-gaap	Accounts Receivable Net Noncurrent AccountsReceivableNetNoncurrent	605871000	USD
CY2021Q4	us-gaap	Accounts Receivable Net Noncurrent AccountsReceivableNetNoncurrent	557669000	USD
CY2022Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	13063000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	13117000	USD
CY2022Q1	us-gaap	Property Plant And Equipment Other Net PropertyPlantAndEquipmentOtherNet	908006000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Other Net PropertyPlantAndEquipmentOtherNet	856531000	USD
CY2022Q1	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	3722000	USD
CY2021Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	3703000	USD
CY2022Q1	us-gaap	Goodwill Goodwill	71334000	USD
CY2021Q4	us-gaap	Goodwill Goodwill	71157000	USD
CY2022Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	5974000	USD
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	6961000	USD
CY2022Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	39485000	USD
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	41982000	USD
CY2022Q1	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	13323000	USD
CY2021Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	12337000	USD
CY2022Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	24591000	USD
CY2021Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	22779000	USD
CY2022Q1	us-gaap	Assets Assets	2530570000	USD
CY2021Q4	us-gaap	Assets Assets	2224821000	USD
CY2022Q1	us-gaap	Long Term Debt Current LongTermDebtCurrent	80191000	USD
CY2021Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	78934000	USD
CY2022Q1	us-gaap	Accounts Payable Current AccountsPayableCurrent	231533000	USD
CY2021Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	308963000	USD
CY2022Q1	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	43784000	USD
CY2021Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	43311000	USD
CY2022Q1	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	6134000	USD
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	6276000	USD
CY2022Q1	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	31729000	USD
CY2021Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	35918000	USD
CY2022Q1	us-gaap	Taxes Payable Current TaxesPayableCurrent	1771000	USD
CY2021Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	822000	USD
CY2022Q1	us-gaap	Liabilities Current LiabilitiesCurrent	395142000	USD
CY2021Q4	us-gaap	Liabilities Current LiabilitiesCurrent	474224000	USD
CY2022Q1	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	659695000	USD
CY2021Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	377184000	USD
CY2022Q1	us-gaap	Accounts Payable And Accrued Liabilities Noncurrent AccountsPayableAndAccruedLiabilitiesNoncurrent	600507000	USD
CY2021Q4	us-gaap	Accounts Payable And Accrued Liabilities Noncurrent AccountsPayableAndAccruedLiabilitiesNoncurrent	532287000	USD
CY2022Q1	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	6063000	USD
CY2021Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	3871000	USD
CY2022Q1	amrc	Deferred Grant Income DeferredGrantIncome	8379000	USD
CY2021Q4	amrc	Deferred Grant Income DeferredGrantIncome	8498000	USD
CY2022Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	32854000	USD
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	35135000	USD
CY2022Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	44282000	USD
CY2021Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	43176000	USD
CY2022Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2021Q1	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	413000	USD
CY2022Q1	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	47438000	USD
CY2021Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	46182000	USD
CY2021Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.0001
CY2022Q1	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.0001
CY2022Q1	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2021Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2021Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2022Q1	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2022Q1	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2021Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2022Q1	us-gaap	Preferred Stock Value Outstanding PreferredStockValueOutstanding	0	USD
CY2021Q4	us-gaap	Preferred Stock Value Outstanding PreferredStockValueOutstanding	0	USD
CY2022Q1	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	289459000	USD
CY2021Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	283982000	USD
CY2022Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	456088000	USD
CY2021Q1	us-gaap	Profit Loss ProfitLoss	12431000	USD
CY2022Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1914000	USD
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	438732000	USD
CY2022Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-3889000	USD
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-6667000	USD
CY2021Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	2101795	shares
CY2022Q1	us-gaap	Treasury Stock Shares TreasuryStockShares	2101795	shares
CY2022Q1	us-gaap	Treasury Stock Value TreasuryStockValue	11788000	USD
CY2021Q4	us-gaap	Treasury Stock Value TreasuryStockValue	11788000	USD
CY2022Q1	us-gaap	Stockholders Equity StockholdersEquity	729875000	USD
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	704264000	USD
CY2022Q1	us-gaap	Minority Interest MinorityInterest	6335000	USD
CY2021Q4	us-gaap	Minority Interest MinorityInterest	0	USD
CY2022Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	736210000	USD
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	704264000	USD
CY2022Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2530570000	USD
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2224821000	USD
CY2022Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	474002000	USD
CY2021Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1257000	USD
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	17384000	USD
CY2021Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	252202000	USD
CY2022Q1	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	405624000	USD
CY2021Q1	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	205293000	USD
CY2022Q1	us-gaap	Gross Profit GrossProfit	68378000	USD
CY2021Q1	us-gaap	Gross Profit GrossProfit	46909000	USD
CY2022Q1	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	39692000	USD
CY2021Q1	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	28601000	USD
CY2022Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	28686000	USD
CY2021Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	18308000	USD
CY2022Q1	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-7081000	USD
CY2021Q1	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-3672000	USD
CY2022Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	21605000	USD
CY2021Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	14636000	USD
CY2022Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2307000	USD
CY2021Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2205000	USD
CY2022Q1	us-gaap	Profit Loss ProfitLoss	19298000	USD
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	11174000	USD
CY2022Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.34
CY2021Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.23
CY2022Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.32
CY2021Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.22
CY2022Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	51744000	shares
CY2021Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	48975000	shares
CY2022Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	53636000	shares
CY2021Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	50357000	shares
CY2022Q1	us-gaap	Profit Loss ProfitLoss	19298000	USD
CY2021Q1	us-gaap	Profit Loss ProfitLoss	12431000	USD
CY2022Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	917000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	719000	USD
CY2022Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	2711000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	2118000	USD
CY2022Q1	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	67000	USD
CY2022Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2778000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2531000	USD
CY2022Q1	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	22076000	USD
CY2021Q1	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	14962000	USD
CY2022Q1	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	1914000	USD
CY2021Q1	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	1257000	USD
CY2022Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	20162000	USD
CY2021Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	13705000	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
CY2021Q1	us-gaap	Adjustments To Additional Paid In Capital Stock Issued Issuance Costs AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts	6284000	USD
CY2021Q1	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	120216000	USD
CY2021Q1	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	1386000	USD
CY2021Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	766000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	2118000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	413000	USD
CY2021Q1	amrc	Noncontrolling Interest In Net Of Tax Equity Financing Fees Redeemable NoncontrollingInterestInNetOfTaxEquityFinancingFeesRedeemable	-17000	USD
CY2021Q1	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	453000	USD
CY2021Q1	amrc	Temporary Equity Accretion Of Tax Equity Financing Fee TemporaryEquityAccretionOfTaxEquityFinancingFee	31000	USD
CY2021Q1	amrc	Stockholders Equity Adjustment For Accretion Of Tax Equity Financing Fees StockholdersEquityAdjustmentForAccretionOfTaxEquityFinancingFees	31000	USD
CY2021Q1	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	1257000	USD
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	11174000	USD
CY2021Q1	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	39668000	USD
CY2021Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	628855000	USD
CY2021Q4	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	46182000	USD
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	704264000	USD
CY2022Q1	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	1708000	USD
CY2022Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	3531000	USD
CY2022Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	2711000	USD
CY2022Q1	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	67000	USD
CY2022Q1	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	448000	USD
CY2022Q1	amrc	Temporary Equity Accretion Of Tax Equity Financing Fee TemporaryEquityAccretionOfTaxEquityFinancingFee	28000	USD
CY2022Q1	amrc	Stockholders Equity Adjustment For Accretion Of Tax Equity Financing Fees StockholdersEquityAdjustmentForAccretionOfTaxEquityFinancingFees	28000	USD
CY2022Q1	amrc	Temporary Equity Call Option Exercise TemporaryEquityCallOptionExercise	238000	USD
CY2022Q1	us-gaap	Adjustments To Additional Paid In Capital Increase In Carrying Amount Of Redeemable Preferred Stock AdjustmentsToAdditionalPaidInCapitalIncreaseInCarryingAmountOfRedeemablePreferredStock	-238000	USD
CY2022Q1	amrc	Noncontrolling Interest Increase From Contributions From Noncontrolling Interest Holders NoncontrollingInterestIncreaseFromContributionsFromNoncontrollingInterestHolders	6335000	USD
CY2022Q1	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	1914000	USD
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	17384000	USD
CY2022Q1	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	47438000	USD
CY2022Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	736210000	USD
CY2022Q1	us-gaap	Profit Loss ProfitLoss	19298000	USD
CY2021Q1	us-gaap	Profit Loss ProfitLoss	12431000	USD
CY2022Q1	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	11806000	USD
CY2021Q1	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	9686000	USD
CY2022Q1	us-gaap	Depreciation Depreciation	734000	USD
CY2021Q1	us-gaap	Depreciation Depreciation	833000	USD
CY2022Q1	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	-320000	USD
CY2021Q1	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	0	USD
CY2022Q1	amrc	Accretion Of Aro And Contingent Consideration AccretionOfAROAndContingentConsideration	36000	USD
CY2021Q1	amrc	Accretion Of Aro And Contingent Consideration AccretionOfAROAndContingentConsideration	24000	USD
CY2022Q1	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	852000	USD
CY2021Q1	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	747000	USD
CY2022Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	578000	USD
CY2021Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	80000	USD
CY2022Q1	amrc	Provisionfor Doubtful Accounts Including Retainage Accounts ProvisionforDoubtfulAccountsIncludingRetainageAccounts	237000	USD
CY2021Q1	amrc	Provisionfor Doubtful Accounts Including Retainage Accounts ProvisionforDoubtfulAccountsIncludingRetainageAccounts	3000	USD
CY2022Q1	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	637000	USD
CY2021Q1	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-62000	USD
CY2022Q1	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-1622000	USD
CY2021Q1	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	377000	USD
CY2022Q1	us-gaap	Share Based Compensation ShareBasedCompensation	3531000	USD
CY2021Q1	us-gaap	Share Based Compensation ShareBasedCompensation	766000	USD
CY2022Q1	amrc	Deferred Income Tax Expense Benefit Excluding Effects Of Exchange Rates On Cash DeferredIncomeTaxExpenseBenefitExcludingEffectsOfExchangeRatesOnCash	1284000	USD
CY2021Q1	amrc	Deferred Income Tax Expense Benefit Excluding Effects Of Exchange Rates On Cash DeferredIncomeTaxExpenseBenefitExcludingEffectsOfExchangeRatesOnCash	1410000	USD
CY2022Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-57733000	USD
CY2021Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-56479000	USD
CY2022Q1	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	-132000	USD
CY2021Q1	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	-19000	USD
CY2022Q1	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	40859000	USD
CY2021Q1	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-15535000	USD
CY2022Q1	amrc	Increase Decrease In Accounts Receivable Retainage IncreaseDecreaseInAccountsReceivableRetainage	-2582000	USD
CY2021Q1	amrc	Increase Decrease In Accounts Receivable Retainage IncreaseDecreaseInAccountsReceivableRetainage	1844000	USD
CY2022Q1	us-gaap	Financing Receivable Significant Sales FinancingReceivableSignificantSales	46300000	USD
CY2021Q1	us-gaap	Financing Receivable Significant Sales FinancingReceivableSignificantSales	65973000	USD
CY2022Q1	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	914000	USD
CY2021Q1	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-48000	USD
CY2022Q1	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	154325000	USD
CY2021Q1	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	-6544000	USD
CY2022Q1	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-2813000	USD
CY2021Q1	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	726000	USD
CY2022Q1	us-gaap	Increase Decrease In Construction Payables IncreaseDecreaseInConstructionPayables	1260000	USD
CY2021Q1	us-gaap	Increase Decrease In Construction Payables IncreaseDecreaseInConstructionPayables	1259000	USD
CY2022Q1	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-105000	USD
CY2021Q1	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	600000	USD
CY2022Q1	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-77163000	USD
CY2021Q1	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-19333000	USD
CY2022Q1	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-4309000	USD
CY2021Q1	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-3973000	USD
CY2022Q1	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-33000	USD
CY2021Q1	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-226000	USD
CY2022Q1	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-1868000	USD
CY2021Q1	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-4881000	USD
CY2022Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-276122000	USD
CY2021Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-38724000	USD
CY2022Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	889000	USD
CY2021Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	656000	USD
CY2022Q1	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	56844000	USD
CY2021Q1	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	55823000	USD
CY2022Q1	us-gaap	Payments Of Distributions To Affiliates PaymentsOfDistributionsToAffiliates	357000	USD
CY2022Q1	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2021Q1	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	120216000	USD
CY2022Q1	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	2570000	USD
CY2021Q1	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	850000	USD
CY2022Q1	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	1708000	USD
CY2021Q1	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	1386000	USD
CY2022Q1	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	76000000	USD
CY2021Q1	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	-53073000	USD
CY2022Q1	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	286744000	USD
CY2021Q1	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	30811000	USD
CY2022Q1	amrc	Proceeds From Federal Espc Funding ProceedsFromFederalESPCFunding	64788000	USD
CY2021Q1	amrc	Proceeds From Federal Espc Funding ProceedsFromFederalESPCFunding	33520000	USD
CY2022Q1	amrc	Proceeds For Payments On Investment Assets ProceedsForPaymentsOnInvestmentAssets	1925000	USD
CY2021Q1	amrc	Proceeds For Payments On Investment Assets ProceedsForPaymentsOnInvestmentAssets	-59000	USD
CY2022Q1	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	4594000	USD
CY2021Q1	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	0	USD
CY2021Q1	us-gaap	Payments Of Distributions To Affiliates PaymentsOfDistributionsToAffiliates	495000	USD
CY2022Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	77432000	USD
CY2021Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	19073000	USD
CY2022Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	355400000	USD
CY2021Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	112383000	USD
CY2022Q1	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-196000	USD
CY2021Q1	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	330000	USD
CY2022Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	21349000	USD
CY2021Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	17510000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	87054000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	98837000	USD
CY2022Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	108403000	USD
CY2021Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	116347000	USD
CY2022Q1	us-gaap	Interest Paid Net InterestPaidNet	4488000	USD
CY2021Q1	us-gaap	Interest Paid Net InterestPaidNet	4235000	USD
CY2022Q1	us-gaap	Income Taxes Paid IncomeTaxesPaid	78000	USD
CY2021Q1	us-gaap	Income Taxes Paid IncomeTaxesPaid	271000	USD
CY2022Q1	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	40683000	USD
CY2021Q1	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	33065000	USD
CY2022Q1	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 months ended March 31, 2022 are not necessarily indicative of results which may be expected for the full year. The December 31, 2021 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, 2021, 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="https://www.sec.gov/ix?doc=/Archives/edgar/data/1488139/000148813922000014/amrc-20211231.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><a href="https://www.sec.gov/ix?doc=/Archives/edgar/data/1488139/000148813922000014/amrc-20211231.htm" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"> </a></span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">(“2021 Annual Report” or “2021 Form 10-K”) for the year ended December 31, 2021 filed with the Securities and Exchange Commission on March 1, 2022.</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.</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>
CY2022Q1	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>
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	2263000	USD
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	2266000	USD
CY2022Q1	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	237000	USD
CY2021Q1	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	3000	USD
CY2022Q1	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	235000	USD
CY2021Q1	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	-41000	USD
CY2022Q1	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	2265000	USD
CY2021Q1	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	2310000	USD
CY2022Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	474002000	USD
CY2021Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	252202000	USD
CY2022Q1	amrc	Revenues Percentage Of Revenue Recognized Over Time RevenuesPercentageOfRevenueRecognizedOverTime	0.96
CY2021Q1	amrc	Revenues Percentage Of Revenue Recognized Over Time RevenuesPercentageOfRevenueRecognizedOverTime	0.94
CY2022Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	474002000	USD
CY2021Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	252202000	USD
CY2022Q1	us-gaap	Accounts Receivable Net AccountsReceivableNet	204082000	USD
CY2021Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	161970000	USD
CY2022Q1	us-gaap	Receivables Long Term Contracts Or Programs ReceivablesLongTermContractsOrPrograms	40555000	USD
CY2021Q4	us-gaap	Receivables Long Term Contracts Or Programs ReceivablesLongTermContractsOrPrograms	43067000	USD
CY2022Q1	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	460240000	USD
CY2021Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	306172000	USD
CY2022Q1	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	31729000	USD
CY2021Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	35918000	USD
CY2022Q1	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	6322000	USD
CY2021Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	6481000	USD
CY2022Q1	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	38051000	USD
CY2021Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	42399000	USD
CY2021Q1	us-gaap	Accounts Receivable Net AccountsReceivableNet	113095000	USD
CY2020Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	125010000	USD
CY2021Q1	us-gaap	Receivables Long Term Contracts Or Programs ReceivablesLongTermContractsOrPrograms	32071000	USD
CY2020Q4	us-gaap	Receivables Long Term Contracts Or Programs ReceivablesLongTermContractsOrPrograms	30189000	USD
CY2021Q1	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	179474000	USD
CY2020Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	185960000	USD
CY2022Q1	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	36000	USD
CY2021Q1	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	30211000	USD
CY2020Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	33984000	USD
CY2021Q1	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	6590000	USD
CY2020Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	6631000	USD
CY2021Q1	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	36801000	USD
CY2020Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	40615000	USD
CY2022Q1	amrc	Contract With Customer Asset Revenue Recognized ContractWithCustomerAssetRevenueRecognized	381949000	USD
CY2022Q1	us-gaap	Contract With Customer Asset Reclassified To Receivable ContractWithCustomerAssetReclassifiedToReceivable	229540000	USD
CY2022Q1	amrc	Contract With Customer Liability Including New Contract Revenue Recognized ContractWithCustomerLiabilityIncludingNewContractRevenueRecognized	33077000	USD
CY2022Q1	amrc	Contract With Customer Liability Billings ContractWithCustomerLiabilityBillings	23723000	USD
CY2021Q1	us-gaap	Contract With Customer Asset Reclassified To Receivable ContractWithCustomerAssetReclassifiedToReceivable	144539000	USD
CY2021Q1	amrc	Contract With Customer Asset Revenue Recognized ContractWithCustomerAssetRevenueRecognized	130297000	USD
CY2021Q1	amrc	Contract With Customer Liability Including New Contract Revenue Recognized ContractWithCustomerLiabilityIncludingNewContractRevenueRecognized	45483000	USD
CY2021Q1	amrc	Contract With Customer Liability Billings ContractWithCustomerLiabilityBillings	33081000	USD
CY2022Q1	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	2553770000	USD
CY2022Q1	us-gaap	Revenue Remaining Performance Obligation Percentage RevenueRemainingPerformanceObligationPercentage	0.48
CY2022Q1	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P12M
CY2022Q1	amrc	Revenue From Contract With Customer Contract Term RevenueFromContractWithCustomerContractTerm	P25Y
CY2022Q1	amrc	Capitalized Contract Cost Project Development Costs CapitalizedContractCostProjectDevelopmentCosts	4209000	USD
CY2021Q1	amrc	Capitalized Contract Cost Project Development Costs CapitalizedContractCostProjectDevelopmentCosts	1985000	USD
CY2022Q1	us-gaap	Capitalized Contract Cost Impairment Loss CapitalizedContractCostImpairmentLoss	0	USD
CY2021Q1	us-gaap	Capitalized Contract Cost Impairment Loss CapitalizedContractCostImpairmentLoss	0	USD
CY2021Q4	us-gaap	Goodwill Goodwill	71157000	USD
CY2022Q1	amrc	Goodwill Remeasurement Adjustment GoodwillRemeasurementAdjustment	309000	USD
CY2022Q1	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-132000	USD
CY2022Q1	us-gaap	Goodwill Goodwill	71334000	USD
CY2022Q1	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	32939000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	33526000	USD
CY2021Q1	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	24000	USD
CY2022Q1	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	26965000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	26565000	USD
CY2022Q1	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	5974000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	6961000	USD
CY2022Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	578000	USD
CY2021Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	80000	USD
CY2022Q1	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	11806000	USD
CY2022Q1	us-gaap	Asset Retirement Obligation AssetRetirementObligation	2956000	USD
CY2021Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	2348000	USD
CY2021Q1	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	9686000	USD
CY2022Q1	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	1312000	USD
CY2021Q1	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	2238000	USD
CY2022Q1	us-gaap	Asset Retirement Obligation Legally Restricted Assets Fair Value AssetRetirementObligationLegallyRestrictedAssetsFairValue	2473000	USD
CY2021Q4	us-gaap	Asset Retirement Obligation Legally Restricted Assets Fair Value AssetRetirementObligationLegallyRestrictedAssetsFairValue	1939000	USD
CY2022Q1	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	9000	USD
CY2021Q4	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	6000	USD
CY2022Q1	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	2947000	USD
CY2021Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	2342000	USD
CY2022Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	39485000	USD
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	41982000	USD
CY2022Q1	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	6134000	USD
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	6276000	USD
CY2022Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	32854000	USD
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	35135000	USD
CY2022Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	38988000	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	41411000	USD
CY2022Q1	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P12Y
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P12Y
CY2022Q1	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.057
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.057
CY2022Q1	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	31521000	USD
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	31876000	USD
CY2022Q1	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	3226000	USD
CY2021Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	3125000	USD
CY2022Q1	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	15973000	USD
CY2021Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	16101000	USD
CY2022Q1	us-gaap	Finance Lease Liability FinanceLeaseLiability	19199000	USD
CY2021Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	19226000	USD
CY2022Q1	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P15Y
CY2021Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P15Y
CY2022Q1	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.121
CY2021Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.121
CY2022Q1	us-gaap	Operating Lease Cost OperatingLeaseCost	2291000	USD
CY2021Q1	us-gaap	Operating Lease Cost OperatingLeaseCost	2153000	USD
CY2022Q1	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	355000	USD
CY2021Q1	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	532000	USD
CY2022Q1	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	559000	USD
CY2021Q1	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	658000	USD
CY2022Q1	us-gaap	Lease Cost LeaseCost	3205000	USD
CY2021Q1	us-gaap	Lease Cost LeaseCost	3343000	USD
CY2022Q1	us-gaap	Operating Lease Payments OperatingLeasePayments	1907000	USD
CY2021Q1	us-gaap	Operating Lease Payments OperatingLeasePayments	2423000	USD
CY2022Q1	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	367000	USD
CY2021Q1	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	3773000	USD
CY2022Q1	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	6134000	USD
CY2022Q1	us-gaap	Finance Lease Liability Payments Remainder Of Fiscal Year FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear	5124000	USD
CY2022Q1	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	7176000	USD
CY2022Q1	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	3676000	USD
CY2022Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	5943000	USD
CY2022Q1	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	2565000	USD
CY2022Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	4725000	USD
CY2022Q1	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	2213000	USD
CY2022Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	2880000	USD
CY2022Q1	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	2054000	USD
CY2022Q1	amrc	Lessee Operating Lease Liability To Be Paid Due After Year Four LesseeOperatingLeaseLiabilityToBePaidDueAfterYearFour	28615000	USD
CY2022Q1	amrc	Finance Lease Liability Payments Due After Year Four FinanceLeaseLiabilityPaymentsDueAfterYearFour	19813000	USD
CY2022Q1	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	55473000	USD
CY2022Q1	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	35445000	USD
CY2022Q1	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	16485000	USD
CY2022Q1	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	16246000	USD
CY2022Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	38988000	USD
CY2022Q1	us-gaap	Finance Lease Liability FinanceLeaseLiability	19199000	USD
CY2021Q1	amrc	Sale Leaseback Transaction Net Amortization Expense SaleLeasebackTransactionNetAmortizationExpense	57000	USD
CY2022Q1	amrc	Sale Leaseback Transaction Net Amortization Expense SaleLeasebackTransactionNetAmortizationExpense	57000	USD
CY2022Q1	us-gaap	Finance Lease Liability FinanceLeaseLiability	19199000	USD
CY2021Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	19226000	USD
CY2022Q1	amrc	Long Term Debt And Capital Lease Obligations Gross LongTermDebtAndCapitalLeaseObligationsGross	756855000	USD
CY2021Q4	amrc	Long Term Debt And Capital Lease Obligations Gross LongTermDebtAndCapitalLeaseObligationsGross	471488000	USD
CY2022Q1	amrc	Long Term Debt And Finance Lease Obligations Current LongTermDebtAndFinanceLeaseObligationsCurrent	80191000	USD
CY2021Q4	amrc	Long Term Debt And Finance Lease Obligations Current LongTermDebtAndFinanceLeaseObligationsCurrent	78934000	USD
CY2022Q1	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	16969000	USD
CY2021Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	15370000	USD
CY2022Q1	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	659695000	USD
CY2021Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	377184000	USD
CY2022Q1	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	96000	USD
CY2022Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2307000	USD
CY2021Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2205000	USD
CY2022Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.107
CY2021Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.151
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	900000	USD
CY2022Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	900000	USD
CY2022Q1	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	440000	USD
CY2021Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	440000	USD
CY2017Q4	us-gaap	Loss Contingency Number Of Defendants LossContingencyNumberOfDefendants	9	contractor
CY2021Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	2838000	USD
CY2020Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	678000	USD
CY2022Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases	0	USD
CY2021	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases	2160000	USD
CY2022Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	-320000	USD
CY2021	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	0	USD
CY2022Q1	amrc	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Remeasurement Adjustment FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityRemeasurementAdjustment	-99000	USD
CY2021	amrc	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Remeasurement Adjustment FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityRemeasurementAdjustment	0	USD
CY2022Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	2419000	USD
CY2021Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	2838000	USD
CY2022Q1	amrc	Equity Method Investments Venture Investments Investment Position Net Asset Liability EquityMethodInvestmentsVentureInvestmentsInvestmentPositionNetAssetLiability	9839000	USD
CY2021Q4	amrc	Equity Method Investments Venture Investments Investment Position Net Asset Liability EquityMethodInvestmentsVentureInvestmentsInvestmentPositionNetAssetLiability	9206000	USD
CY2022Q1	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	637000	USD
CY2021Q1	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-62000	USD
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	17384000	USD
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	11174000	USD
CY2022Q1	amrc	Adjustment For Accretion Of Tax Equity Financing Fees AdjustmentForAccretionOfTaxEquityFinancingFees	28000	USD
CY2021Q1	amrc	Adjustment For Accretion Of Tax Equity Financing Fees AdjustmentForAccretionOfTaxEquityFinancingFees	31000	USD
CY2022Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	17356000	USD
CY2021Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	11143000	USD
CY2022Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	51744000	shares
CY2021Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	48975000	shares
CY2022Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1892000	shares
CY2021Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1382000	shares
CY2022Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	53636000	shares
CY2021Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	50357000	shares
CY2022Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.34
CY2021Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.23
CY2022Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.32
CY2021Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.22
CY2022Q1	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	783000	shares
CY2021Q1	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1157000	shares
CY2022Q1	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3531000	USD
CY2021Q1	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	766000	USD
CY2022Q1	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions	46295000	USD
CY2022Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	474002000	USD
CY2022Q1	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-1622000	USD
CY2022Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-3953000	USD
CY2022Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	12657000	USD
CY2022Q1	amrc	Income Before Income Taxes And Unallocated Corporate Expenses IncomeBeforeIncomeTaxesAndUnallocatedCorporateExpenses	37514000	USD
CY2021Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	252202000	USD
CY2021Q1	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	363000	USD
CY2021Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-2740000	USD
CY2021Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	10150000	USD
CY2021Q1	amrc	Income Before Income Taxes And Unallocated Corporate Expenses IncomeBeforeIncomeTaxesAndUnallocatedCorporateExpenses	25601000	USD
CY2022Q1	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-7081000	USD
CY2021Q1	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-3672000	USD
CY2022Q1	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	852000	USD
CY2022Q1	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-1622000	USD
CY2021Q1	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	377000	USD
CY2022Q1	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-4489000	USD
CY2021Q1	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-2805000	USD
CY2021Q1	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	747000	USD
CY2022Q1	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-116000	USD
CY2021Q1	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-495000	USD
CY2022Q1	amrc	Government Incentives GovernmentIncentives	-2000	USD
CY2021Q1	amrc	Government Incentives GovernmentIncentives	-2000	USD

Files In Submission

Name	View Source	Status
0001488139-22-000072-index-headers.html	Edgar Link	pending
0001488139-22-000072-index.html	Edgar Link	pending
0001488139-22-000072.txt	Edgar Link	pending
0001488139-22-000072-xbrl.zip	Edgar Link	pending
amrc-20220331.htm	Edgar Link	pending
amrc-20220331.xsd	Edgar Link	pending
amrc-20220331_cal.xml	Edgar Link	unprocessable
amrc-20220331_def.xml	Edgar Link	unprocessable
amrc-20220331_htm.xml	Edgar Link	completed
amrc-20220331_lab.xml	Edgar Link	unprocessable
amrc-20220331_pre.xml	Edgar Link	unprocessable
amrc_20220331x10-qxexx311.htm	Edgar Link	pending
amrc_20220331x10-qxexx312.htm	Edgar Link	pending
amrc_20220331x10-qxexx321.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
R53.htm	Edgar Link	pending
R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
R59.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R62.htm	Edgar Link	pending
R63.htm	Edgar Link	pending
R64.htm	Edgar Link	pending
R65.htm	Edgar Link	pending
R66.htm	Edgar Link	pending
R67.htm	Edgar Link	pending
R68.htm	Edgar Link	pending
R69.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R70.htm	Edgar Link	pending
R71.htm	Edgar Link	pending
R72.htm	Edgar Link	pending
R73.htm	Edgar Link	pending
R74.htm	Edgar Link	pending
R75.htm	Edgar Link	pending
R76.htm	Edgar Link	pending
R77.htm	Edgar Link	pending
R78.htm	Edgar Link	pending
R79.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$AMRC
Ameresco, Inc. Stock $amrc

2022 Q1 Form 10-Q Financial Statement

#000148813922000072 Filed on May 03, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AMRC Ameresco, Inc. Stock $amrc

2022 Q1 Form 10-Q Financial Statement

#000148813922000072 Filed on May 03, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AMRC
Ameresco, Inc. Stock $amrc