$AMRC
Ameresco, Inc. Stock $amrc

$amrc Overview Financials Valuation SEC Filings Company Website

2022 Q2 Form 10-Q Financial Statement

#000148813922000091 Filed on August 02, 2022

Income Statement

Concept	2022 Q2	2021 Q4	2021 Q2
Revenue	$577.4M	$415.9M	$273.9M
YoY Change	110.79%	32.32%	22.81%
Cost Of Revenue	$496.1M	$344.6M	$220.6M
YoY Change	124.89%	34.55%	20.2%
Gross Profit	$81.30M	$71.31M	$53.32M
YoY Change	52.48%	22.53%	34.97%
Gross Profit Margin	14.08%	17.15%	19.47%
Selling, General & Admin	$38.25M	$39.19M	$31.88M
YoY Change	19.97%	16.99%	19.77%
% of Gross Profit	47.05%	54.96%	59.79%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$12.85M	$12.49M	$10.87M
YoY Change	18.28%	18.61%	6.82%
% of Gross Profit	15.81%	17.51%	20.38%
Operating Expenses	$38.25M	$39.27M	$31.88M
YoY Change	19.97%	16.88%	19.77%
Operating Profit	$43.05M	$32.04M	$21.44M
YoY Change	100.81%	30.25%	66.36%
Interest Expense	-$6.558M	-$3.442M	$4.951M
YoY Change	-232.46%		28.73%
% of Operating Profit	-15.23%	-10.74%	23.09%
Other Income/Expense, Net	-$5.249M	-$169.0K	-$5.450M
YoY Change	-3.69%	-91.11%	34.5%
Pretax Income	$37.81M	$28.43M	$15.99M
YoY Change	136.43%	25.24%	80.96%
Income Tax	$4.932M	-$1.164M	-$1.896M
% Of Pretax Income	13.05%	-4.09%	-11.86%
Net Earnings	$32.22M	$28.21M	$13.66M
YoY Change	135.93%	20.03%	212.83%
Net Earnings / Revenue	5.58%	6.78%	4.99%
Basic Earnings Per Share	$0.62		$0.27
Diluted Earnings Per Share	$0.61	$531.9K	$0.26
COMMON SHARES
Basic Shares Outstanding	51.82M shares		51.32M shares
Diluted Shares Outstanding	53.17M shares		52.57M shares

Balance Sheet

Concept	2022 Q2	2021 Q4	2021 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$67.55M	$50.45M	$58.81M
YoY Change	14.87%	-24.02%	40.35%
Cash & Equivalents	$67.55M	$50.45M	$58.81M
Short-Term Investments
Other Short-Term Assets	$66.90M	$62.86M	$63.57M
YoY Change	5.24%	-3.0%	7.56%
Inventory	$10.89M	$8.807M	$8.798M
Prepaid Expenses	$23.15M	$25.38M	$25.39M
Receivables	$915.2M	$511.2M	$347.0M
Other Receivables	$4.299M	$5.261M	$5.688M
Total Short-Term Assets	$1.065B	$638.6M	$483.8M
YoY Change	120.09%	30.13%	14.54%
LONG-TERM ASSETS
Property, Plant & Equipment	$14.00M	$13.12M	$8.826M
YoY Change	58.62%	46.04%	-9.91%
Goodwill	$70.83M	$71.16M	$58.90M
YoY Change	20.24%	21.19%	1.84%
Intangibles	$5.532M	$6.961M	$769.0K
YoY Change	619.38%	650.92%	-37.58%
Long-Term Investments		$9.206M
YoY Change
Other Assets	$34.19M	$22.78M	$19.07M
YoY Change	79.28%	48.81%	-7.31%
Total Long-Term Assets	$1.820B	$1.586B	$1.455B
YoY Change	25.09%	25.55%	40.28%
TOTAL ASSETS
Total Short-Term Assets	$1.065B	$638.6M	$483.8M
Total Long-Term Assets	$1.820B	$1.586B	$1.455B
Total Assets	$2.885B	$2.225B	$1.939B
YoY Change	48.8%	26.83%	32.83%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$432.7M	$309.0M	$193.4M
YoY Change	123.76%	33.8%	19.07%
Accrued Expenses	$41.63M	$43.31M	$40.11M
YoY Change	3.79%	3.74%	52.8%
Deferred Revenue	$39.79M	$35.92M	$26.56M
YoY Change	49.79%	5.69%	-23.89%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$82.71M	$78.93M	$79.78M
YoY Change	3.67%	13.8%	80.43%
Total Short-Term Liabilities	$604.4M	$474.2M	$345.8M
YoY Change	74.78%	23.79%	26.68%
LONG-TERM LIABILITIES
Long-Term Debt	$698.4M	$377.2M	$305.4M
YoY Change	128.71%	21.01%	3.51%
Other Long-Term Liabilities	$45.69M	$43.18M	$37.30M
YoY Change	22.5%	14.65%	-2.66%
Total Long-Term Liabilities	$45.69M	$43.18M	$37.30M
YoY Change	22.5%	14.65%	-2.66%
TOTAL LIABILITIES
Total Short-Term Liabilities	$604.4M	$474.2M	$345.8M
Total Long-Term Liabilities	$45.69M	$43.18M	$37.30M
Total Liabilities	$650.1M	$517.4M	$383.1M
YoY Change	69.69%	22.97%	23.07%
SHAREHOLDERS EQUITY
Retained Earnings	$488.3M	$438.7M	$393.2M
YoY Change	24.19%	19.09%	20.96%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)		$11.79M	$11.79M
YoY Change		0.0%	0.0%
Treasury Stock Shares		2.102M shares	2.102M shares
Shareholders Equity	$766.4M	$704.3M	$645.6M
YoY Change
Total Liabilities & Shareholders Equity	$2.885B	$2.225B	$1.939B
YoY Change	48.8%	26.83%	32.83%

Cashflow Statement

Concept	2022 Q2	2021 Q4	2021 Q2
OPERATING ACTIVITIES
Net Income	$32.22M	$28.21M	$13.66M
YoY Change	135.93%	20.03%	212.83%
Depreciation, Depletion And Amortization	$12.85M	$12.49M	$10.87M
YoY Change	18.28%	18.61%	6.82%
Cash From Operating Activities	-$31.72M	-$55.95M	-$57.76M
YoY Change	-45.08%	197.78%	163.16%
INVESTING ACTIVITIES
Capital Expenditures	-$74.55M	-$33.68M	-$49.27M
YoY Change	51.31%	-39.09%	-0.16%
Acquisitions
YoY Change
Other Investing Activities		-$21.48M	$0.00
YoY Change		-1248.77%
Cash From Investing Activities	-$74.55M	-$55.16M	-$49.27M
YoY Change	51.31%	3.25%	-0.16%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	110.3M	104.2M	84.54M
YoY Change	30.43%	4.54%	44.57%
NET CHANGE
Cash From Operating Activities	-31.72M	-55.95M	-57.76M
Cash From Investing Activities	-74.55M	-55.16M	-49.27M
Cash From Financing Activities	110.3M	104.2M	84.54M
Net Change In Cash	3.999M	-6.915M	-22.49M
YoY Change	-117.78%	-125.18%	75.43%
FREE CASH FLOW
Cash From Operating Activities	-$31.72M	-$55.95M	-$57.76M
Capital Expenditures	-$74.55M	-$33.68M	-$49.27M
Free Cash Flow	$42.83M	-$22.28M	-$8.492M
YoY Change	-604.39%	-161.03%	-130.99%

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	2022
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Amendment Flag AmendmentFlag	false
CY2022Q2	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#PropertyPlantAndEquipmentOtherNet
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#PropertyPlantAndEquipmentOtherNet
CY2022Q2	us-gaap	Finance Lease Liability Current Statement Of Financial Position Extensible List FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#LongTermDebtCurrent
CY2021Q4	us-gaap	Finance Lease Liability Current Statement Of Financial Position Extensible List FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#LongTermDebtCurrent
CY2021Q4	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#LongTermDebtAndCapitalLeaseObligations
CY2022Q2	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#LongTermDebtAndCapitalLeaseObligations
	dei	Document Type DocumentType	10-Q
	dei	Document Period End Date DocumentPeriodEndDate	2022-06-30
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	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
	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	Security12b Title Security12bTitle	Class A Common Stock, par value $0.0001 per share
	dei	Trading Symbol TradingSymbol	AMRC
	dei	Security Exchange Name SecurityExchangeName	NYSE
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2022Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	67553000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	50450000	usd
CY2022Q2	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	27079000	usd
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	24267000	usd
CY2022Q2	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2262000	usd
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2266000	usd
CY2022Q2	us-gaap	Accounts Receivable Net AccountsReceivableNet	207990000	usd
CY2021Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	161970000	usd
CY2022Q2	us-gaap	Receivables Long Term Contracts Or Programs ReceivablesLongTermContractsOrPrograms	43444000	usd
CY2021Q4	us-gaap	Receivables Long Term Contracts Or Programs ReceivablesLongTermContractsOrPrograms	43067000	usd
CY2022Q2	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	663798000	usd
CY2021Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	306172000	usd
CY2022Q2	us-gaap	Inventory Net InventoryNet	10886000	usd
CY2021Q4	us-gaap	Inventory Net InventoryNet	8807000	usd
CY2022Q2	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	23153000	usd
CY2021Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	25377000	usd
CY2022Q2	us-gaap	Income Tax Receivable IncomeTaxReceivable	4299000	usd
CY2021Q4	us-gaap	Income Tax Receivable IncomeTaxReceivable	5261000	usd
CY2022Q2	us-gaap	Capitalized Contract Cost Net Current CapitalizedContractCostNetCurrent	16668000	usd
CY2021Q4	us-gaap	Capitalized Contract Cost Net Current CapitalizedContractCostNetCurrent	13214000	usd
CY2022Q2	us-gaap	Assets Current AssetsCurrent	1064870000	usd
CY2021Q4	us-gaap	Assets Current AssetsCurrent	638585000	usd
CY2022Q2	us-gaap	Accounts Receivable Net Noncurrent AccountsReceivableNetNoncurrent	671241000	usd
CY2021Q4	us-gaap	Accounts Receivable Net Noncurrent AccountsReceivableNetNoncurrent	557669000	usd
CY2022Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	14000000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	13117000	usd
CY2022Q2	us-gaap	Property Plant And Equipment Other Net PropertyPlantAndEquipmentOtherNet	964871000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Other Net PropertyPlantAndEquipmentOtherNet	856531000	usd
CY2022Q2	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	3646000	usd
CY2021Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	3703000	usd
CY2022Q2	us-gaap	Goodwill Goodwill	70825000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	71157000	usd
CY2022Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	5532000	usd
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	6961000	usd
CY2022Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	38929000	usd
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	41982000	usd
CY2022Q2	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	16675000	usd
CY2021Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	12337000	usd
CY2022Q2	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	34187000	usd
CY2021Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	22779000	usd
CY2022Q2	us-gaap	Assets Assets	2884776000	usd
CY2021Q4	us-gaap	Assets Assets	2224821000	usd
CY2022Q2	us-gaap	Long Term Debt Current LongTermDebtCurrent	82707000	usd
CY2021Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	78934000	usd
CY2022Q2	us-gaap	Accounts Payable Current AccountsPayableCurrent	432695000	usd
CY2021Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	308963000	usd
CY2022Q2	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	41629000	usd
CY2021Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	43311000	usd
CY2022Q2	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	5953000	usd
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	6276000	usd
CY2022Q2	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	39787000	usd
CY2021Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	35918000	usd
CY2022Q2	us-gaap	Taxes Payable Current TaxesPayableCurrent	1633000	usd
CY2021Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	822000	usd
CY2022Q2	us-gaap	Liabilities Current LiabilitiesCurrent	604404000	usd
CY2021Q4	us-gaap	Liabilities Current LiabilitiesCurrent	474224000	usd
CY2022Q2	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	698365000	usd
CY2021Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	377184000	usd
CY2022Q2	us-gaap	Accounts Payable And Accrued Liabilities Noncurrent AccountsPayableAndAccruedLiabilitiesNoncurrent	657235000	usd
CY2021Q4	us-gaap	Accounts Payable And Accrued Liabilities Noncurrent AccountsPayableAndAccruedLiabilitiesNoncurrent	532287000	usd
CY2022Q2	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	8855000	usd
CY2021Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	3871000	usd
CY2022Q2	amrc	Deferred Grant Income DeferredGrantIncome	8099000	usd
CY2021Q4	amrc	Deferred Grant Income DeferredGrantIncome	8498000	usd
CY2022Q2	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	32642000	usd
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	35135000	usd
CY2022Q2	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	45691000	usd
CY2021Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	43176000	usd
CY2022Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2022Q2	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	47918000	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
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2313000	usd
CY2022Q2	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.0001
CY2021Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2022Q2	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2021Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2022Q2	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2022Q2	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2021Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2022Q2	us-gaap	Preferred Stock Value Outstanding PreferredStockValueOutstanding	0	usd
CY2021Q4	us-gaap	Preferred Stock Value Outstanding PreferredStockValueOutstanding	0	usd
CY2022Q2	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	294240000	usd
CY2021Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	283982000	usd
CY2022Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	488278000	usd
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	438732000	usd
CY2022Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-4354000	usd
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-6667000	usd
CY2021Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	2101795	shares
CY2022Q2	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	2101795	shares
CY2022Q2	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	11788000	usd
CY2021Q4	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	11788000	usd
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	766381000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	704264000	usd
CY2022Q2	us-gaap	Minority Interest MinorityInterest	15186000	usd
CY2021Q4	us-gaap	Minority Interest MinorityInterest	0	usd
CY2022Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	781567000	usd
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	704264000	usd
CY2022Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2884776000	usd
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2224821000	usd
CY2022Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	577397000	usd
CY2021Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	273920000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1051399000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	526122000	usd
CY2022Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	496094000	usd
CY2021Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	220598000	usd
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	901718000	usd
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	425891000	usd
CY2022Q2	us-gaap	Gross Profit GrossProfit	81303000	usd
CY2021Q2	us-gaap	Gross Profit GrossProfit	53322000	usd
	us-gaap	Gross Profit GrossProfit	149681000	usd
	us-gaap	Gross Profit GrossProfit	100231000	usd
CY2022Q2	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	38249000	usd
CY2021Q2	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	31882000	usd
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	77941000	usd
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	60483000	usd
CY2022Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	43054000	usd
CY2021Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	21440000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	71740000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	39748000	usd
CY2022Q2	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-5249000	usd
CY2021Q2	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-5450000	usd
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-12330000	usd
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-9122000	usd
CY2022Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	37805000	usd
CY2021Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	15990000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	59410000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	30626000	usd
CY2022Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4932000	usd
CY2021Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1896000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7239000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	309000	usd
CY2022Q2	us-gaap	Profit Loss ProfitLoss	32873000	usd
CY2021Q2	us-gaap	Profit Loss ProfitLoss	17886000	usd
	us-gaap	Profit Loss ProfitLoss	52171000	usd
	us-gaap	Profit Loss ProfitLoss	30317000	usd
CY2022Q2	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	657000	usd
CY2021Q2	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	4231000	usd
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	2571000	usd
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	5488000	usd
CY2022Q2	us-gaap	Net Income Loss NetIncomeLoss	32216000	usd
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	13655000	usd
	us-gaap	Net Income Loss NetIncomeLoss	49600000	usd
	us-gaap	Net Income Loss NetIncomeLoss	24829000	usd
CY2022Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.62
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.27
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.96
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.49
CY2022Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.61
CY2021Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.26
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.93
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.48
CY2022Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	51818000	shares
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	51315000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	51781000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50158000	shares
CY2022Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	53173000	shares
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	52570000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	53407000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	51475000	shares
CY2022Q2	us-gaap	Profit Loss ProfitLoss	32873000	usd
CY2021Q2	us-gaap	Profit Loss ProfitLoss	17886000	usd
CY2022Q2	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	531000	usd
CY2021Q2	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	-188000	usd
CY2022Q2	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	1565000	usd
CY2021Q2	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-472000	usd
CY2022Q2	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-2030000	usd
CY2021Q2	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	477000	usd
CY2022Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-465000	usd
CY2021Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	5000	usd
CY2022Q2	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	32408000	usd
CY2021Q2	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	17891000	usd
CY2022Q2	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	657000	usd
CY2021Q2	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	4231000	usd
CY2022Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	31751000	usd
CY2021Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	13660000	usd
	us-gaap	Profit Loss ProfitLoss	52171000	usd
	us-gaap	Profit Loss ProfitLoss	30317000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	1448000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	531000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	4276000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	1645000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-1963000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	891000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2536000	usd
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	54484000	usd
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	32853000	usd
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	2571000	usd
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	5488000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	51913000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	27365000	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
CY2021Q2	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	-135000	usd
CY2021Q2	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	1225000	usd
CY2021Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1349000	usd
CY2021Q2	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	652000	usd
CY2021Q2	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-472000	usd
CY2021Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	477000	usd
CY2021Q2	amrc	Noncontrolling Interest Increase From Contributions From Noncontrolling Interest Holders NoncontrollingInterestIncreaseFromContributionsFromNoncontrollingInterestHolders	2269000	usd
CY2021Q2	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	195000	usd
CY2021Q2	amrc	Temporary Equity Accretion Of Tax Equity Financing Fee TemporaryEquityAccretionOfTaxEquityFinancingFee	30000	usd
CY2021Q2	amrc	Stockholders Equity Adjustment For Accretion Of Tax Equity Financing Fees StockholdersEquityAdjustmentForAccretionOfTaxEquityFinancingFees	30000	usd
CY2021Q2	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	4231000	usd
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	13655000	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	645576000	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	736211000	usd
CY2022Q2	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	158000	usd
CY2022Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	3675000	usd
CY2022Q2	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	948000	usd
CY2022Q2	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	1565000	usd
CY2022Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-2030000	usd
CY2022Q2	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	204000	usd
CY2022Q2	amrc	Temporary Equity Accretion Of Tax Equity Financing Fee TemporaryEquityAccretionOfTaxEquityFinancingFee	27000	usd
CY2022Q2	amrc	Stockholders Equity Adjustment For Accretion Of Tax Equity Financing Fees StockholdersEquityAdjustmentForAccretionOfTaxEquityFinancingFees	27000	usd
CY2022Q2	amrc	Noncontrolling Interest Increase From Contributions From Noncontrolling Interest Holders NoncontrollingInterestIncreaseFromContributionsFromNoncontrollingInterestHolders	8851000	usd
CY2022Q2	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	657000	usd
CY2022Q2	us-gaap	Net Income Loss NetIncomeLoss	32216000	usd
CY2022Q2	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	47918000	usd
CY2022Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	781567000	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	6419000	usd
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	120081000	usd
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	2611000	usd
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2115000	usd
	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	652000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	1645000	usd
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	891000	usd
	amrc	Noncontrolling Interest Increase From Contributions From Noncontrolling Interest Holders NoncontrollingInterestIncreaseFromContributionsFromNoncontrollingInterestHolders	2252000	usd
	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	648000	usd
	amrc	Temporary Equity Accretion Of Tax Equity Financing Fee TemporaryEquityAccretionOfTaxEquityFinancingFee	61000	usd
	amrc	Stockholders Equity Adjustment For Accretion Of Tax Equity Financing Fees StockholdersEquityAdjustmentForAccretionOfTaxEquityFinancingFees	61000	usd
	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	5488000	usd
	us-gaap	Net Income Loss NetIncomeLoss	24829000	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	645576000	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
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	1866000	usd
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	7206000	usd
	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	948000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	4276000	usd
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-1963000	usd
	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	651000	usd
	amrc	Temporary Equity Accretion Of Tax Equity Financing Fee TemporaryEquityAccretionOfTaxEquityFinancingFee	54000	usd
	amrc	Stockholders Equity Adjustment For Accretion Of Tax Equity Financing Fees StockholdersEquityAdjustmentForAccretionOfTaxEquityFinancingFees	54000	usd
	amrc	Temporary Equity Call Option Exercise TemporaryEquityCallOptionExercise	238000	usd
	us-gaap	Adjustments To Additional Paid In Capital Increase In Carrying Amount Of Redeemable Preferred Stock AdjustmentsToAdditionalPaidInCapitalIncreaseInCarryingAmountOfRedeemablePreferredStock	-238000	usd
	amrc	Noncontrolling Interest Increase From Contributions From Noncontrolling Interest Holders NoncontrollingInterestIncreaseFromContributionsFromNoncontrollingInterestHolders	15186000	usd
	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	2571000	usd
	us-gaap	Net Income Loss NetIncomeLoss	49600000	usd
CY2022Q2	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	47918000	usd
CY2022Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	781567000	usd
	us-gaap	Profit Loss ProfitLoss	52171000	usd
	us-gaap	Profit Loss ProfitLoss	30317000	usd
	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	23978000	usd
	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	20136000	usd
	us-gaap	Depreciation Depreciation	1404000	usd
	us-gaap	Depreciation Depreciation	1637000	usd
	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	-320000	usd
	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	0	usd
	amrc	Accretion Of Aro And Contingent Consideration AccretionOfAROAndContingentConsideration	72000	usd
	amrc	Accretion Of Aro And Contingent Consideration AccretionOfAROAndContingentConsideration	57000	usd
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	2036000	usd
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	1477000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1020000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	161000	usd
	amrc	Provisionfor Doubtful Accounts Including Retainage Accounts ProvisionforDoubtfulAccountsIncludingRetainageAccounts	244000	usd
	amrc	Provisionfor Doubtful Accounts Including Retainage Accounts ProvisionforDoubtfulAccountsIncludingRetainageAccounts	6000	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	989000	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	0	usd
	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-555000	usd
	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-1225000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	7206000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	2115000	usd
	amrc	Deferred Income Tax Expense Benefit Excluding Effects Of Exchange Rates On Cash DeferredIncomeTaxExpenseBenefitExcludingEffectsOfExchangeRatesOnCash	3606000	usd
	amrc	Deferred Income Tax Expense Benefit Excluding Effects Of Exchange Rates On Cash DeferredIncomeTaxExpenseBenefitExcludingEffectsOfExchangeRatesOnCash	335000	usd
	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	-467000	usd
	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	32000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	44334000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-15230000	usd
	amrc	Increase Decrease In Accounts Receivable Retainage IncreaseDecreaseInAccountsReceivableRetainage	458000	usd
	amrc	Increase Decrease In Accounts Receivable Retainage IncreaseDecreaseInAccountsReceivableRetainage	6211000	usd
	us-gaap	Financing Receivable Significant Sales FinancingReceivableSignificantSales	113478000	usd
	us-gaap	Financing Receivable Significant Sales FinancingReceivableSignificantSales	125146000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	2080000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	224000	usd
	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	358603000	usd
	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	8893000	usd
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	1629000	usd
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-2445000	usd
	us-gaap	Increase Decrease In Construction Payables IncreaseDecreaseInConstructionPayables	-1332000	usd
	us-gaap	Increase Decrease In Construction Payables IncreaseDecreaseInConstructionPayables	760000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	10020000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	3691000	usd
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	126783000	usd
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-22941000	usd
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	4073000	usd
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-8174000	usd
	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	18000	usd
	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-207000	usd
	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-1767000	usd
	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-3135000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-307843000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-96483000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2525000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1484000	usd
	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	124924000	usd
	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	97891000	usd
	amrc	Payments For Investment In Maintenance Of Energy Assets PaymentsForInvestmentInMaintenanceOfEnergyAssets	4838000	usd
	amrc	Payments For Investment In Maintenance Of Energy Assets PaymentsForInvestmentInMaintenanceOfEnergyAssets	6376000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-132287000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-105751000	usd
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	usd
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	120081000	usd
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	2756000	usd
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	1162000	usd
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	2814000	usd
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	3263000	usd
	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	120000000	usd
	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	-28073000	usd
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	307911000	usd
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	64854000	usd
	amrc	Proceeds From Federal Espc Funding ProceedsFromFederalESPCFunding	121731000	usd
	amrc	Proceeds From Federal Espc Funding ProceedsFromFederalESPCFunding	70159000	usd
	amrc	Proceeds For Payments On Investment Assets ProceedsForPaymentsOnInvestmentAssets	4651000	usd
	amrc	Proceeds For Payments On Investment Assets ProceedsForPaymentsOnInvestmentAssets	-117000	usd
	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	12919000	usd
	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	0	usd
	us-gaap	Payments Of Distributions To Affiliates PaymentsOfDistributionsToAffiliates	561000	usd
	us-gaap	Proceeds From Contributions From Affiliates ProceedsFromContributionsFromAffiliates	1583000	usd
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	101035000	usd
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	33664000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	465674000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	196924000	usd
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-1291000	usd
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	315000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	24253000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-4995000	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
CY2022Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	111307000	usd
CY2021Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	93842000	usd
	us-gaap	Interest Paid Net InterestPaidNet	13672000	usd
	us-gaap	Interest Paid Net InterestPaidNet	9097000	usd
	us-gaap	Income Taxes Paid IncomeTaxesPaid	2829000	usd
	us-gaap	Income Taxes Paid IncomeTaxesPaid	1213000	usd
	amrc	Noncashor Part Noncash Acquisition Financing Receivable Acquired NoncashorPartNoncashAcquisitionFinancingReceivableAcquired	0	usd
	amrc	Noncashor Part Noncash Acquisition Financing Receivable Acquired NoncashorPartNoncashAcquisitionFinancingReceivableAcquired	4027000	usd
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	37683000	usd
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	28070000	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 six months ended June 30, 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 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 </span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">certain governmental trav</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">el 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>
	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>
CY2022Q1	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	2265000	usd
CY2021Q1	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	2310000	usd
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	2263000	usd
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	2266000	usd
CY2022Q2	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	7000	usd
CY2021Q2	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	3000	usd
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	244000	usd
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	6000	usd
CY2022Q2	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	10000	usd
CY2021Q2	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	2000	usd
	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	245000	usd
	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	39000	usd
CY2022Q2	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	2262000	usd
CY2021Q2	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	2311000	usd
CY2022Q2	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	2262000	usd
CY2021Q2	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	2311000	usd
CY2022Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	577397000	usd
CY2021Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	273920000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1051399000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	526122000	usd
CY2022Q2	amrc	Revenues Percentage Of Revenue Recognized Over Time RevenuesPercentageOfRevenueRecognizedOverTime	0.97
CY2021Q2	amrc	Revenues Percentage Of Revenue Recognized Over Time RevenuesPercentageOfRevenueRecognizedOverTime	0.94
	amrc	Revenues Percentage Of Revenue Recognized Over Time RevenuesPercentageOfRevenueRecognizedOverTime	0.96
	amrc	Revenues Percentage Of Revenue Recognized Over Time RevenuesPercentageOfRevenueRecognizedOverTime	0.94
CY2022Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	577397000	usd
CY2021Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	273920000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1051399000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	526122000	usd
CY2022Q2	us-gaap	Accounts Receivable Net AccountsReceivableNet	207990000	usd
CY2021Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	161970000	usd
CY2022Q2	us-gaap	Receivables Long Term Contracts Or Programs ReceivablesLongTermContractsOrPrograms	43444000	usd
CY2021Q4	us-gaap	Receivables Long Term Contracts Or Programs ReceivablesLongTermContractsOrPrograms	43067000	usd
CY2022Q2	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	663798000	usd
CY2021Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	306172000	usd
CY2022Q2	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	39787000	usd
CY2021Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	35918000	usd
CY2022Q2	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	6175000	usd
CY2021Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	6481000	usd
CY2022Q2	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	45962000	usd
CY2021Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	42399000	usd
CY2021Q2	us-gaap	Accounts Receivable Net AccountsReceivableNet	115462000	usd
CY2020Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	125010000	usd
CY2021Q2	us-gaap	Receivables Long Term Contracts Or Programs ReceivablesLongTermContractsOrPrograms	36485000	usd
CY2020Q4	us-gaap	Receivables Long Term Contracts Or Programs ReceivablesLongTermContractsOrPrograms	30189000	usd
CY2021Q2	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	195027000	usd
CY2020Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	185960000	usd
CY2021Q2	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	26561000	usd
CY2020Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	33984000	usd
CY2021Q2	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	6082000	usd
CY2020Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	6631000	usd
CY2021Q2	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	32643000	usd
CY2020Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	40615000	usd
	amrc	Contract With Customer Asset Revenue Recognized ContractWithCustomerAssetRevenueRecognized	845211000	usd
	us-gaap	Contract With Customer Asset Reclassified To Receivable ContractWithCustomerAssetReclassifiedToReceivable	492820000	usd
	amrc	Contract With Customer Liability Billings ContractWithCustomerLiabilityBillings	59453000	usd
	amrc	Contract With Customer Liability Including New Contract Revenue Recognized ContractWithCustomerLiabilityIncludingNewContractRevenueRecognized	64145000	usd
	amrc	Contract With Customer Asset Revenue Recognized ContractWithCustomerAssetRevenueRecognized	277960000	usd
	us-gaap	Contract With Customer Asset Reclassified To Receivable ContractWithCustomerAssetReclassifiedToReceivable	288012000	usd
	amrc	Contract With Customer Liability Including New Contract Revenue Recognized ContractWithCustomerLiabilityIncludingNewContractRevenueRecognized	98570000	usd
	amrc	Contract With Customer Liability Billings ContractWithCustomerLiabilityBillings	70884000	usd
CY2022Q2	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	2199560000	usd
CY2022Q2	us-gaap	Revenue Remaining Performance Obligation Percentage RevenueRemainingPerformanceObligationPercentage	0.38
CY2022Q2	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P12M
	amrc	Revenue From Contract With Customer Contract Term RevenueFromContractWithCustomerContractTerm	P25Y
CY2022Q2	amrc	Capitalized Contract Cost Project Development Costs CapitalizedContractCostProjectDevelopmentCosts	1771000	usd
CY2021Q2	amrc	Capitalized Contract Cost Project Development Costs CapitalizedContractCostProjectDevelopmentCosts	3109000	usd
	amrc	Capitalized Contract Cost Project Development Costs CapitalizedContractCostProjectDevelopmentCosts	5980000	usd
	amrc	Capitalized Contract Cost Project Development Costs CapitalizedContractCostProjectDevelopmentCosts	5094000	usd
	us-gaap	Capitalized Contract Cost Impairment Loss CapitalizedContractCostImpairmentLoss	0	usd
CY2022Q2	us-gaap	Capitalized Contract Cost Impairment Loss CapitalizedContractCostImpairmentLoss	0	usd
CY2021Q2	us-gaap	Capitalized Contract Cost Impairment Loss CapitalizedContractCostImpairmentLoss	0	usd
	us-gaap	Capitalized Contract Cost Impairment Loss CapitalizedContractCostImpairmentLoss	0	usd
	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	23978000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	71157000	usd
	amrc	Goodwill Remeasurement Adjustment GoodwillRemeasurementAdjustment	389000	usd
	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-721000	usd
CY2022Q2	us-gaap	Goodwill Goodwill	70825000	usd
CY2022Q2	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	32375000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	33526000	usd
CY2022Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	26843000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	26565000	usd
CY2022Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	5532000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	6961000	usd
CY2022Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	442000	usd
CY2021Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	81000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1020000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	161000	usd
CY2022Q2	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	12172000	usd
CY2021Q2	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	10450000	usd
	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	20136000	usd
CY2022Q2	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	2064000	usd
CY2021Q2	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	1288000	usd
	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	3908000	usd
	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	3526000	usd
CY2022Q2	us-gaap	Asset Retirement Obligation Legally Restricted Assets Fair Value AssetRetirementObligationLegallyRestrictedAssetsFairValue	2431000	usd
CY2021Q4	us-gaap	Asset Retirement Obligation Legally Restricted Assets Fair Value AssetRetirementObligationLegallyRestrictedAssetsFairValue	1939000	usd
CY2022Q2	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	0	usd
CY2021Q4	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	6000	usd
CY2022Q2	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	2977000	usd
CY2021Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	2342000	usd
CY2022Q2	us-gaap	Asset Retirement Obligation AssetRetirementObligation	2977000	usd
CY2021Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	2348000	usd
CY2022Q2	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	36000	usd
CY2021Q2	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	33000	usd
	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	72000	usd
	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	57000	usd
CY2022Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	38929000	usd
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	41982000	usd
CY2022Q2	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	5953000	usd
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	6276000	usd
CY2022Q2	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	32642000	usd
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	35135000	usd
CY2022Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	38595000	usd
CY2021Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.121
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	41411000	usd
CY2022Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P12Y
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P12Y
CY2022Q2	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.056
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.057
CY2022Q2	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	30989000	usd
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	31876000	usd
CY2022Q2	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	2473000	usd
CY2021Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	3125000	usd
CY2022Q2	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	15200000	usd
CY2021Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	16101000	usd
CY2022Q2	us-gaap	Finance Lease Liability FinanceLeaseLiability	17673000	usd
CY2021Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	19226000	usd
CY2022Q2	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P14Y
CY2021Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P15Y
CY2022Q2	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.121
CY2022Q2	us-gaap	Operating Lease Cost OperatingLeaseCost	2063000	usd
CY2021Q2	us-gaap	Operating Lease Cost OperatingLeaseCost	2187000	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	4354000	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	4340000	usd
CY2022Q2	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	532000	usd
CY2021Q2	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	533000	usd
	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	887000	usd
	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	1065000	usd
CY2022Q2	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	536000	usd
CY2021Q2	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	666000	usd
	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	1095000	usd
	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	1324000	usd
CY2022Q2	us-gaap	Lease Cost LeaseCost	3131000	usd
CY2021Q2	amrc	Sale Leaseback Transaction Net Amortization Expense SaleLeasebackTransactionNetAmortizationExpense	57000	usd
CY2021Q2	us-gaap	Lease Cost LeaseCost	3386000	usd
	us-gaap	Lease Cost LeaseCost	6336000	usd
	us-gaap	Lease Cost LeaseCost	6729000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	3814000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	4355000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	1712000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	4961000	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	4185000	usd
CY2022Q2	us-gaap	Finance Lease Liability Payments Remainder Of Fiscal Year FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear	2580000	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	7585000	usd
CY2022Q2	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	3675000	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	6363000	usd
CY2022Q2	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	2565000	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	5128000	usd
CY2022Q2	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	2213000	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	3197000	usd
CY2022Q2	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	2054000	usd
CY2022Q2	amrc	Lessee Operating Lease Liability To Be Paid Due After Year Four LesseeOperatingLeaseLiabilityToBePaidDueAfterYearFour	29102000	usd
CY2022Q2	amrc	Finance Lease Liability Payments Due After Year Four FinanceLeaseLiabilityPaymentsDueAfterYearFour	19810000	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	55560000	usd
CY2022Q2	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	32897000	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	16965000	usd
CY2022Q2	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	15224000	usd
CY2022Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	38595000	usd
CY2022Q2	us-gaap	Finance Lease Liability FinanceLeaseLiability	17673000	usd
CY2022Q2	amrc	Sale Leaseback Transaction Net Amortization Expense SaleLeasebackTransactionNetAmortizationExpense	57000	usd
	amrc	Sale Leaseback Transaction Net Amortization Expense SaleLeasebackTransactionNetAmortizationExpense	114000	usd
	amrc	Sale Leaseback Transaction Net Amortization Expense SaleLeasebackTransactionNetAmortizationExpense	114000	usd
CY2022Q2	us-gaap	Finance Lease Liability FinanceLeaseLiability	17673000	usd
CY2021Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	19226000	usd
CY2022Q2	amrc	Long Term Debt And Capital Lease Obligations Gross LongTermDebtAndCapitalLeaseObligationsGross	797963000	usd
CY2021Q4	amrc	Long Term Debt And Capital Lease Obligations Gross LongTermDebtAndCapitalLeaseObligationsGross	471488000	usd
CY2022Q2	amrc	Long Term Debt And Finance Lease Obligations Current LongTermDebtAndFinanceLeaseObligationsCurrent	82707000	usd
CY2021Q4	amrc	Long Term Debt And Finance Lease Obligations Current LongTermDebtAndFinanceLeaseObligationsCurrent	78934000	usd
CY2022Q2	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	16891000	usd
CY2021Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	15370000	usd
CY2022Q2	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	698365000	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
CY2022Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4932000	usd
CY2021Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1896000	usd
CY2022Q2	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.130
CY2021Q2	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.119
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7239000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	309000	usd
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.122
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.010
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	900000	usd
CY2022Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	900000	usd
CY2022Q2	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
CY2021	amrc	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Remeasurement Adjustment FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityRemeasurementAdjustment	0	usd
CY2022Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	2224000	usd
CY2021Q4	amrc	Number Of Joint Ventures NumberOfJointVentures	1	joint_venture
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
	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
	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
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	275000	usd
CY2021	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	0	usd
	amrc	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Remeasurement Adjustment FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityRemeasurementAdjustment	-19000	usd
CY2021Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	2838000	usd
CY2022Q2	amrc	Equity Method Investments Venture Investments Investment Position Net Asset Liability EquityMethodInvestmentsVentureInvestmentsInvestmentPositionNetAssetLiability	10179000	usd
CY2021Q4	amrc	Equity Method Investments Venture Investments Investment Position Net Asset Liability EquityMethodInvestmentsVentureInvestmentsInvestmentPositionNetAssetLiability	9206000	usd
CY2022Q2	us-gaap	Net Income Loss NetIncomeLoss	32216000	usd
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	13655000	usd
	us-gaap	Net Income Loss NetIncomeLoss	49600000	usd
	us-gaap	Net Income Loss NetIncomeLoss	24829000	usd
CY2022Q2	amrc	Adjustment For Accretion Of Tax Equity Financing Fees AdjustmentForAccretionOfTaxEquityFinancingFees	27000	usd
CY2021Q2	amrc	Adjustment For Accretion Of Tax Equity Financing Fees AdjustmentForAccretionOfTaxEquityFinancingFees	30000	usd
	amrc	Adjustment For Accretion Of Tax Equity Financing Fees AdjustmentForAccretionOfTaxEquityFinancingFees	54000	usd
	amrc	Adjustment For Accretion Of Tax Equity Financing Fees AdjustmentForAccretionOfTaxEquityFinancingFees	61000	usd
CY2022Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	32189000	usd
CY2021Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	13625000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	49546000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	24768000	usd
CY2022Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	51818000	shares
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	51315000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	51781000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50158000	shares
CY2022Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1355000	shares
CY2021Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1255000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1626000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1317000	shares
CY2022Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	53173000	shares
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	52570000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	53407000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	51475000	shares
CY2022Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.62
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.27
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.96
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.49
CY2022Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.61
CY2021Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.26
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.93
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.48
CY2022Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2798000	shares
CY2021Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1718000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2232000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1423000	shares
CY2022Q2	amrc	Income Before Income Taxes And Unallocated Corporate Expenses IncomeBeforeIncomeTaxesAndUnallocatedCorporateExpenses	55478000	usd
CY2022Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3675000	usd
CY2021Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1349000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	7206000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2115000	usd
CY2022Q2	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions	51268000	usd
CY2022Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	577397000	usd
CY2022Q2	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	1067000	usd
CY2022Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-4686000	usd
CY2022Q2	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	12851000	usd
CY2021Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	273920000	usd
CY2021Q2	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-1658000	usd
CY2021Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-3276000	usd
CY2021Q2	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	10865000	usd
CY2021Q2	amrc	Income Before Income Taxes And Unallocated Corporate Expenses IncomeBeforeIncomeTaxesAndUnallocatedCorporateExpenses	26082000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1051399000	usd
	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-555000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-8639000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	25508000	usd
	amrc	Income Before Income Taxes And Unallocated Corporate Expenses IncomeBeforeIncomeTaxesAndUnallocatedCorporateExpenses	92992000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	526122000	usd
	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-1295000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-6016000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	21015000	usd
	amrc	Income Before Income Taxes And Unallocated Corporate Expenses IncomeBeforeIncomeTaxesAndUnallocatedCorporateExpenses	51683000	usd
CY2021Q2	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	730000	usd
CY2022Q2	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	1067000	usd
CY2021Q2	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-1602000	usd
	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-555000	usd
	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-1225000	usd
CY2022Q2	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-6558000	usd
CY2021Q2	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-3246000	usd
	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-11047000	usd
	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-6051000	usd
CY2022Q2	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	1184000	usd
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	2036000	usd
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	1477000	usd
CY2022Q2	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-598000	usd
CY2021Q2	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	130000	usd
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-714000	usd
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-365000	usd
CY2022Q2	amrc	Government Incentives GovernmentIncentives	2024000	usd
CY2021Q2	amrc	Government Incentives GovernmentIncentives	-2000	usd
	amrc	Government Incentives GovernmentIncentives	2022000	usd
	amrc	Government Incentives GovernmentIncentives	-4000	usd
CY2022Q2	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-5249000	usd
CY2021Q2	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-5450000	usd
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-12330000	usd
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-9122000	usd

Files In Submission

Name	View Source	Status
0001488139-22-000091-index-headers.html	Edgar Link	pending
0001488139-22-000091-index.html	Edgar Link	pending
0001488139-22-000091.txt	Edgar Link	pending
0001488139-22-000091-xbrl.zip	Edgar Link	pending
amerescoamendmentno.htm	Edgar Link	pending
amerescoamendmentno001.jpg	Edgar Link	pending
amerescoamendmentno002.jpg	Edgar Link	pending
amerescoamendmentno003.jpg	Edgar Link	pending
amerescoamendmentno004.jpg	Edgar Link	pending
amerescoamendmentno005.jpg	Edgar Link	pending
amerescoamendmentno006.jpg	Edgar Link	pending
amerescoamendmentno007.jpg	Edgar Link	pending
amerescoamendmentno008.jpg	Edgar Link	pending
amerescoamendmentno009.jpg	Edgar Link	pending
amerescoamendmentno010.jpg	Edgar Link	pending
amerescoamendmentno011.jpg	Edgar Link	pending
amrc-20220630.htm	Edgar Link	pending
amrc-20220630.xsd	Edgar Link	pending
amrc-20220630_cal.xml	Edgar Link	unprocessable
amrc-20220630_def.xml	Edgar Link	unprocessable
amrc-20220630_htm.xml	Edgar Link	completed
amrc-20220630_lab.xml	Edgar Link	unprocessable
amrc-20220630_pre.xml	Edgar Link	unprocessable
amrc_20220630x10-qxexx311.htm	Edgar Link	pending
amrc_20220630x10-qxexx312.htm	Edgar Link	pending
amrc_20220630x10-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
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 Q2 Form 10-Q Financial Statement

#000148813922000091 Filed on August 02, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AMRC Ameresco, Inc. Stock $amrc

2022 Q2 Form 10-Q Financial Statement

#000148813922000091 Filed on August 02, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AMRC
Ameresco, Inc. Stock $amrc