| Cover Page - USD ($) | 12 Months Ended | ||
| Dec. 31, 2021 | Mar. 31, 2022 | Jun. 30, 2021 | |
| Cover [Abstract] | |||
| Document Type | 10-K/A | ||
| Document Annual Report | true | ||
| Document Period End Date | Dec. 31, 2021 | ||
| Current Fiscal Year End Date | --12-31 | ||
| Document Transition Report | false | ||
| Entity File Number | 001-39613 | ||
| Entity Registrant Name | ARRAY TECHNOLOGIES, INC. | ||
| Entity Central Index Key | 0001820721 | ||
| Document Fiscal Year Focus | 2021 | ||
| Document Fiscal Period Focus | FY | ||
| Amendment Flag | true | ||
| Amendment Description | On April 6, 2022, Array Technologies, Inc. (the “Company”) filed its Annual Report on Form 10-K for the fiscal year ended December 31, 2021 (the “Original Form 10-K”). This Amendment No. 1 (the “Amendment”) amends the Original Form 10-K solely to correct an administrative error in the content of Exhibit 23.1, Consent of Independent Registered Public Accounting Firm (the “Consent”), that resulted in an improper reference to the date of the auditor’s report. A new Exhibit 23.1 with the appropriate corrections is filed as Exhibit 23.1 attached hereto.This Amendment speaks as of the original filing date and does not reflect events occurring after the filing of the Original Form 10-K. No revisions are being made to the Company’s financial statements or any other disclosure contained in the Original Form 10-K. This Amendment is an exhibit-only filing. Except for Exhibit 23.1, this Amendment does not otherwise update any exhibits as originally filed or previously amended.In addition, as required by Rule 12b-15 under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), new certifications by the Company’s principal executive officer and principal financial officer are filed herewith as exhibits to this Amendment pursuant to Rule 13a-14(a) or 15d-14(a) of the Exchange Act. As no financial statements have been included in this Amendment and this Amendment does not contain or amend any disclosure with respect to Items 307 and 308 of Regulation S-K, paragraphs 3, 4, and 5 of the certifications have been omitted. The Company is not including certifications pursuant to Section 1350 of Chapter 63 of Title 18 of the United States Code (18 U.S.C. 1350) as no financial statements are being filed with this Amendment. | ||
| Entity Incorporation, State or Country Code | DE | ||
| Entity Tax Identification Number | 83-2747826 | ||
| Entity Address, Address Line One | 3901 Midway Place NE | ||
| Entity Address, City or Town | Albuquerque | ||
| Entity Address, State or Province | NM | ||
| Entity Address, Postal Zip Code | 87109 | ||
| City Area Code | (505) | ||
| Local Phone Number | 881-7567 | ||
| Title of 12(b) Security | Common stock, $0.001 par value | ||
| Trading Symbol | ARRY | ||
| Security Exchange Name | NASDAQ | ||
| Entity Well-known Seasoned Issuer | No | ||
| Entity Voluntary Filers | No | ||
| Entity Current Reporting Status | Yes | ||
| Entity Interactive Data Current | Yes | ||
| Entity Filer Category | Large Accelerated Filer | ||
| Entity Small Business | false | ||
| Entity Emerging Growth Company | false | ||
| ICFR Auditor Attestation Flag | true | ||
| Entity Shell Company | false | ||
| Entity Public Float | $ 1,981,113,685 | ||
| Entity Common Stock Shares Outstanding | 150,173,507 | ||
| Documents Incorporated by Reference | Portions of the registrant’s definitive proxy statement to be filed with the Securities and Exchange Commission, or SEC, subsequent to the date hereof pursuant to Regulation 14A in connection with the registrant’s 2022 Annual Meeting of Stockholders, are incorporated by reference into Part III of this Annual Report on Form 10-K. We intend to file such proxy statement with the SEC not later than 120 days after the conclusion of the registrant’s fiscal year ended December 31, 2021. | ||
| Auditor name | BDO USA, LLP | ||
| Auditor location | Austin, Texas | ||
| Auditor firm ID | 243 |
