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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Risk (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 USD ($) customer | Dec. 31, 2022 customer
Replace and Remove Program |  |
Credit concentrations and significant customers |  |
Grants receivable | $ | $ 47.3 |
Revenues. | Customer concentration |  |
Credit concentrations and significant customers |  |
Number of customers | 0 | 0
Accounts receivable | Customer concentration |  |
Credit concentrations and significant customers |  |
Number of customers | 0 | 0

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 954 -SubTopic 310 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481027/954-310-50-2 + Details
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- Definition Carrying amount as of the balance sheet date of amounts due under the terms of governmental, corporate, or foundation grants. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)(a)(4)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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