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Business Acquisitions and Related Transactions - Purchase Price Allocation (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Business Acquisition [Line Items] |  |  |  |
Goodwill | $ 71,157 | $ 70,633 | $ 71,157 | $ 58,714
Measurement Period Adjustment, Goodwill |  | 389 |  |
Purchase price, net of cash acquired |  | 0 | 14,928 | $ 0
Total fair value of consideration |  | 11,022 | 3,461 |
Plug Smart |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Cash and cash equivalents | 2,771 | 2,771 | 2,771 |
Accounts receivable | 3,370 | 3,370 | 3,370 |
Costs and estimated earnings in excess of billings | 1,663 | 1,663 | 1,663 |
Prepaid expenses and other current assets | 1,499 | 1,499 | 1,499 |
Goodwill | 12,499 | 12,888 | 12,499 |
Measurement Period Adjustment, Goodwill |  | 389 |  |
Intangible assets | 6,354 | 5,945 | 6,354 |
Measurement Period Adjustment, Intangible assets |  | (409) |  |
Operating lease assets | 488 | 488 | 488 |
Accounts payable | (1,795) | (1,795) | (1,795) |
Accrued expenses and other current liabilities | (964) | (1,091) | (964) |
Measurement Period Adjustment, Accrued expenses and other current liabilities |  | (127) |  |
Current portion of operating lease liabilities | (145) | (145) | (145) |
Billings in excess of cost and estimated earnings | (2,464) | (2,464) | (2,464) |
Deferred income tax liabilities | (1,693) | (1,693) | (1,693) |
Long-term operating lease liabilities, net of current portion | (343) | (343) | (343) |
Purchase price | 21,240 | 21,093 | 21,240 |
Measurement Period Adjustment, Purchase price |  | (147) |  |
Purchase price, net of cash acquired |  | 18,322 | 18,469 |
Measurement Period Adjustment, Purchase price, net of cash acquired |  | (147) |  |
Total fair value of consideration | 21,240 | 21,093 | 21,240 |
Cash paid to date |  | 18,727 | 17,692 |
Hold-back | $ 750 | $ 500 | $ 750 |

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- 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=128092470&loc=d3e4845-128472 + Details
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- Definition Amount of deferred revenue expected to be recognized as such within one year or the normal operating cycle, if longer, assumed at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=128092470&loc=d3e4845-128472 + Details
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