Business Acquisitions and Related Transactions - Purchase Price Allocation (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||||
---|---|---|---|---|---|
Dec. 31, 2014
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Jun. 30, 2013
|
Dec. 31, 2011
|
|
Business Acquisition [Line Items] | |||||
Goodwill | $ 60,479us-gaap_Goodwill | $ 53,074us-gaap_Goodwill | $ 48,969us-gaap_Goodwill | ||
Total, net of cash received | 13,903us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired | 9,838us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired | 4,012us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired | ||
EEX | |||||
Business Acquisition [Line Items] | |||||
Cash |
0us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents / us-gaap_BusinessAcquisitionAxis = amrc_EEXMember |
||||
Accounts receivable |
1,432us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables / us-gaap_BusinessAcquisitionAxis = amrc_EEXMember |
||||
Costs and estimated earnings in excess of billings |
186amrc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedCurrentAssetsCostsandEstimatedEarningsinExcessofBillings / us-gaap_BusinessAcquisitionAxis = amrc_EEXMember |
||||
Prepaid expenses and other current assets |
295us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets / us-gaap_BusinessAcquisitionAxis = amrc_EEXMember |
||||
Property and equipment and project assets |
123us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment / us-gaap_BusinessAcquisitionAxis = amrc_EEXMember |
||||
Goodwill |
7,590us-gaap_Goodwill / us-gaap_BusinessAcquisitionAxis = amrc_EEXMember |
||||
Intangible assets(1) |
7,208us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill / us-gaap_BusinessAcquisitionAxis = amrc_EEXMember |
||||
Accounts payable |
(1,719)us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable / us-gaap_BusinessAcquisitionAxis = amrc_EEXMember |
||||
Accrued liabilities |
(459)us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther / us-gaap_BusinessAcquisitionAxis = amrc_EEXMember |
||||
Billings in excess of cost and estimated earnings |
(752)amrc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedCurrentLiabilitiesBillingsinExcessofCostsandEstimatedEarnings / us-gaap_BusinessAcquisitionAxis = amrc_EEXMember |
||||
Deferred taxes and other liabilities |
0us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitiesNoncurrent / us-gaap_BusinessAcquisitionAxis = amrc_EEXMember |
||||
Purchase price |
13,904us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_BusinessAcquisitionAxis = amrc_EEXMember |
||||
Total, net of cash received |
13,904us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired / us-gaap_BusinessAcquisitionAxis = amrc_EEXMember |
||||
Total fair value of consideration |
13,904us-gaap_BusinessCombinationConsiderationTransferred1 / us-gaap_BusinessAcquisitionAxis = amrc_EEXMember |
||||
ESP | |||||
Business Acquisition [Line Items] | |||||
Cash |
1,292us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents / us-gaap_BusinessAcquisitionAxis = amrc_ESPMember |
||||
Accounts receivable |
772us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables / us-gaap_BusinessAcquisitionAxis = amrc_ESPMember |
||||
Costs and estimated earnings in excess of billings |
665amrc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedCurrentAssetsCostsandEstimatedEarningsinExcessofBillings / us-gaap_BusinessAcquisitionAxis = amrc_ESPMember |
||||
Prepaid expenses and other current assets |
1,169us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets / us-gaap_BusinessAcquisitionAxis = amrc_ESPMember |
||||
Property and equipment and project assets |
138us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment / us-gaap_BusinessAcquisitionAxis = amrc_ESPMember |
||||
Goodwill |
3,682us-gaap_Goodwill / us-gaap_BusinessAcquisitionAxis = amrc_ESPMember |
2,632us-gaap_Goodwill / us-gaap_BusinessAcquisitionAxis = amrc_ESPMember |
|||
Intangible assets(1) |
5,099us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill / us-gaap_BusinessAcquisitionAxis = amrc_ESPMember |
||||
Accounts payable |
(413)us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable / us-gaap_BusinessAcquisitionAxis = amrc_ESPMember |
||||
Accrued liabilities |
(607)us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther / us-gaap_BusinessAcquisitionAxis = amrc_ESPMember |
||||
Billings in excess of cost and estimated earnings |
(108)amrc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedCurrentLiabilitiesBillingsinExcessofCostsandEstimatedEarnings / us-gaap_BusinessAcquisitionAxis = amrc_ESPMember |
||||
Deferred taxes and other liabilities |
(1,158)us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitiesNoncurrent / us-gaap_BusinessAcquisitionAxis = amrc_ESPMember |
||||
Purchase price |
10,531us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_BusinessAcquisitionAxis = amrc_ESPMember |
8,765us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_BusinessAcquisitionAxis = amrc_ESPMember |
|||
Total, net of cash received |
9,239us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired / us-gaap_BusinessAcquisitionAxis = amrc_ESPMember |
||||
Total fair value of consideration |
10,531us-gaap_BusinessCombinationConsiderationTransferred1 / us-gaap_BusinessAcquisitionAxis = amrc_ESPMember |
||||
FAME | |||||
Business Acquisition [Line Items] | |||||
Cash |
810us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents / us-gaap_BusinessAcquisitionAxis = amrc_FameFacilitySoftwareSolutionsIncMember |
||||
Accounts receivable |
321us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables / us-gaap_BusinessAcquisitionAxis = amrc_FameFacilitySoftwareSolutionsIncMember |
||||
Costs and estimated earnings in excess of billings |
0amrc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedCurrentAssetsCostsandEstimatedEarningsinExcessofBillings / us-gaap_BusinessAcquisitionAxis = amrc_FameFacilitySoftwareSolutionsIncMember |
||||
Prepaid expenses and other current assets |
108us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets / us-gaap_BusinessAcquisitionAxis = amrc_FameFacilitySoftwareSolutionsIncMember |
||||
Property and equipment and project assets |
43us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment / us-gaap_BusinessAcquisitionAxis = amrc_FameFacilitySoftwareSolutionsIncMember |
||||
Goodwill |
1,887us-gaap_Goodwill / us-gaap_BusinessAcquisitionAxis = amrc_FameFacilitySoftwareSolutionsIncMember |
1,887us-gaap_Goodwill / us-gaap_BusinessAcquisitionAxis = amrc_FameFacilitySoftwareSolutionsIncMember |
|||
Intangible assets(1) |
2,100us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill / us-gaap_BusinessAcquisitionAxis = amrc_FameFacilitySoftwareSolutionsIncMember |
||||
Accounts payable |
(6)us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable / us-gaap_BusinessAcquisitionAxis = amrc_FameFacilitySoftwareSolutionsIncMember |
||||
Accrued liabilities |
(618)us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther / us-gaap_BusinessAcquisitionAxis = amrc_FameFacilitySoftwareSolutionsIncMember |
||||
Billings in excess of cost and estimated earnings |
(158)amrc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedCurrentLiabilitiesBillingsinExcessofCostsandEstimatedEarnings / us-gaap_BusinessAcquisitionAxis = amrc_FameFacilitySoftwareSolutionsIncMember |
||||
Deferred taxes and other liabilities |
0us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitiesNoncurrent / us-gaap_BusinessAcquisitionAxis = amrc_FameFacilitySoftwareSolutionsIncMember |
||||
Purchase price |
4,487us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_BusinessAcquisitionAxis = amrc_FameFacilitySoftwareSolutionsIncMember |
||||
Total, net of cash received |
3,677us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired / us-gaap_BusinessAcquisitionAxis = amrc_FameFacilitySoftwareSolutionsIncMember |
||||
Total fair value of consideration |
$ 4,487us-gaap_BusinessCombinationConsiderationTransferred1 / us-gaap_BusinessAcquisitionAxis = amrc_FameFacilitySoftwareSolutionsIncMember |
X | ||||||||||
- Definition
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Costs and Estimated Earnings in Excess of Billings No definition available.
|
X | ||||||||||
- Definition
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Billings in Excess of Costs and Estimated Earnings No definition available.
|
X | ||||||||||
- Details
|
X | ||||||||||
- Definition
Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
Amount of liabilities incurred for goods and services received that are used in an entity's business and related party payables, assumed at the acquisition date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
Amount of other liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
Amount of deferred tax liability attributable to taxable temporary differences due after one year or the normal operating cycle, if longer, assumed at the acquisition date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
Amount of intangible assets, excluding goodwill, acquired at the acquisition date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
The amount of property, plant, and equipment recognized as of the acquisition date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Details
|
X | ||||||||||
- Details
|
X | ||||||||||
- Details
|