Subsequent Events	9 Months Ended
Sep. 30, 2020
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events New Senior Secured Credit Facility On October 14, 2020, the Company entered into a new credit senior credit facility consisting of (i) a $575 million senior secured seven-year term loan facility (the “New Term Loan Facility”) and (ii) a $150 million senior secured 5-year revolving credit facility (the “New Revolving Credit Facility” and, together with the New Term Loan Facility, the “New Senior Secured Credit Facility”). We used $105 million of our initial public offering (“IPO”) proceeds to pay down the balance of the New Term Loan Facility to $470 million, and the remaining proceeds for general corporate purposes, including working capital, operating expenses and capital expenditure. Interest Rate The interest rates applicable to the loans under the New Term Loan Facility equals, at our option, either, (i) in the case of ABR borrowings, the highest of (a) the Federal Funds Rate as of such day plus 50 basis points, (b) the prime rate and (c) the adjusted LIBOR rate as of such day for a deposit in U.S. dollars with a maturity of one month plus 100 basis points, provided that in no event shall the ABR be less than 150 basis points, plus, in each case, the applicable margin of 300 basis points per annum; or (ii) in the case of Eurocurrency borrowings, the greater of (a) the London interbank offered rate for the relevant currency, adjusted for statutory reserve requirements, and (b) 100 basis points, plus, in each case, the applicable margin of 400 basis points per annum. The interest rates applicable to the loans under the New Revolving Facility equals, at our option, either, (i) in the case of ABR borrowings, the highest of (a) the Federal Funds Rate as of such day plus 50 basis points, (b) the prime rate and (c) the adjusted LIBOR rate as of such day for a deposit in U.S. dollars with a maturity of one month plus 100 basis points, provided that in no event shall the ABR be less than 150 basis points, plus, in each case, the applicable margin of 225 basis points per annum; or (ii) in the case of Eurocurrency borrowings, the greater of (a) the London interbank offered rate for the relevant currency, adjusted for statutory reserve requirements, and (b) 50 basis points, plus, in each case, the applicable margin of 325 basis points per annum. Guarantees and Security The obligations under the New Senior Secured Credit Facility are guaranteed by ATI Investment Sub, Inc. and its wholly owned domestic subsidiaries other than certain immaterial subsidiaries and other excluded subsidiaries. The obligations under the New Senior Secured Credit Facility are secured by a first priority security interest in substantially all of Array Tech, Inc.’s and the guarantors’ existing and future property and assets, including accounts receivable, inventory, equipment, general intangibles, intellectual property, investment property, other personal property, material owned real property, cash and proceeds of the foregoing, subject to customary exceptions. Prepayments and Amortization Loans under the New Revolving Credit Facility may be voluntarily prepaid in whole, or in part, in each case without premium or penalty. Loans under the New Term Loan Facility may be voluntarily prepaid in whole, or in part, in each case without premium or penalty (other than a 1% premium with respect to prepayments on account of certain “repricing events,” subject to exceptions, occurring within 12 months of the closing date of the New Senior Secured Credit Facility), subject to certain customary conditions. Subject to certain customary exceptions, the New Senior Secured Credit Facility requires mandatory prepayments, but not permanent reductions of commitments thereunder, for excess cash flow, asset sales, subject to a right of reinvestment, and refinancing facilities. The New Term Loan Facility amortizes in equal quarterly installments in aggregate annual amounts equal to 1.00% per annum of the original principal amount of the loans funded thereunder. There is no scheduled amortization under the New Revolving Credit Facility. Restrictive Covenants and Other Matters The New Senior Secured Credit Facility contains affirmative and negative covenants that are customary for financings of this type, including covenants that restrict our incurrence of indebtedness, incurrence of liens, dispositions, investments, acquisitions, restricted payments, transactions with affiliates, as well as other negative covenants customary for financings of this type. The New Revolving Credit Facility also includes a springing financial maintenance covenant that is tested on the last day of each fiscal quarter if the outstanding loans and certain other credit extensions under the New Revolving Credit Facility exceed 35% of the aggregate amount of commitments thereunder, subject to customary exclusions and conditions. If the financial maintenance covenant is triggered, the first lien net leverage ratio will be tested for compliance not to exceed 7.10 to 1.00. The New Senior Secured Credit Facility also includes customary events of default, including the occurrence of a change of control. Special Distribution to Parent On October 14, 2020, the Company issued a special distribution of $589 million to Parent (the “Special Distribution”). Proceeds for the New Senior Secured Credit facility and cash on hand were used to fund the special distribution. Corporate Conversion and Stock Split On October 14, 2020, prior to the issuance of any of our shares of common stock in our IPO, we converted from a Delaware limited liability company to a Delaware corporation. In connection with the corporate conversion we converted all 1,000 of our outstanding member units into 100,000,000 shares of common stock and then completed a stock split of 1.19994-for-1. The corporate conversion and stock split representing 119,994,467 shares of common stock have been adjusted retroactively for the purposes of calculating basic and diluted earnings per share. Authorized Shares of Common and Preferred Stock On October 14, 2020, in connection with the IPO, a new Certificate of Incorporation became effective for the Company, which authorized capital stock of 1,000,000,000 shares of common stock, $0.001 par value, and 5,000,000 shares of preferred stock, $0.001 par value. IPO On October 19, 2020, we closed the IPO and sold 7,000,000 shares of common stock at a public offering price of $22.00 per share. We received net proceeds of $140.2 million after deducting underwriting discounts and commissions of $8.5 million and other offering costs of $5.3 million. We used $105 million of the IPO proceeds to pay down the balance of the New Term Loan Facility to $470 million. Equity Incentive Plan On October 14, 2020, the Company’s 2020 Equity Incentive Plan (the “2020 Plan”) became effective. The 2020 Plan authorized 6,683,919 new shares, subject to adjustments pursuant to the 2020 Plan. Effective October 14, 2020, the Company granted an aggregate of 29,398 restricted stock units (RSU’s) to its non-employee directors in connection with their service on the board of directors and 470,608 RSU’s to certain executives and members of management. The RSU’s were granted under the 2020 Plan at the IPO price of $22.00 per share. Each share has a vesting commencement date of and is subject to a two to three-year vesting schedule, vesting annually on the anniversary date of the vesting commencement date. Earn-out Payment On October 14, 2020, as a result of certain qualifying events, the Special Distribution and shares sold in the IPO by the selling stockholders, a payment of $9.1 million was made to holders of the earn-out.

On October 14, 2020, the Company entered into a new credit senior credit facility consisting of (i) a $575 million senior secured seven-year term loan facility (the “New Term Loan Facility”) and (ii) a $150 million senior secured 5-year revolving credit facility (the “New Revolving Credit Facility” and, together with the New Term Loan Facility, the “New Senior Secured Credit Facility”). We used $105 million of our initial public offering (“IPO”) proceeds to pay down the balance of the New Term Loan Facility to $470 million, and the remaining proceeds for general corporate purposes, including working capital, operating expenses and capital expenditure.

The interest rates applicable to the loans under the New Term Loan Facility equals, at our option, either, (i) in the case of ABR borrowings, the highest of (a) the Federal Funds Rate as of such day plus 50 basis points, (b) the prime rate and (c) the adjusted LIBOR rate as of such day for a deposit in U.S. dollars with a maturity of one month plus 100 basis points, provided that in no event shall the ABR be less than 150 basis points, plus, in each case, the applicable margin of 300 basis points per annum; or (ii) in the case of Eurocurrency borrowings, the greater of (a) the London interbank offered rate for the relevant currency, adjusted for statutory reserve requirements, and (b) 100 basis points, plus, in each case, the applicable margin of 400 basis points per annum.

The interest rates applicable to the loans under the New Revolving Facility equals, at our option, either, (i) in the case of ABR borrowings, the highest of (a) the Federal Funds Rate as of such day plus 50 basis points, (b) the prime rate and (c) the adjusted LIBOR rate as of such day for a deposit in U.S. dollars with a maturity of one month plus 100 basis points, provided that in no event shall the ABR be less than 150 basis points, plus, in each case, the applicable margin of 225 basis points per annum; or (ii) in the case of Eurocurrency borrowings, the greater of (a) the London interbank offered rate for the relevant currency, adjusted for statutory reserve requirements, and (b) 50 basis points, plus, in each case, the applicable margin of 325 basis points per annum.

The obligations under the New Senior Secured Credit Facility are guaranteed by ATI Investment Sub, Inc. and its wholly owned domestic subsidiaries other than certain immaterial subsidiaries and other excluded subsidiaries. The obligations under the New Senior Secured Credit Facility are secured by a first priority security interest in substantially all of Array Tech, Inc.’s and the guarantors’ existing and future property and assets, including accounts receivable, inventory, equipment, general intangibles, intellectual property, investment property, other personal property, material owned real property, cash and proceeds of the foregoing, subject to customary exceptions.

Loans under the New Revolving Credit Facility may be voluntarily prepaid in whole, or in part, in each case without premium or penalty. Loans under the New Term Loan Facility may be voluntarily prepaid in whole, or in part, in each case without premium or penalty (other than a 1% premium with respect to prepayments on account of certain “repricing events,” subject to exceptions, occurring within 12 months of the closing date of the New Senior Secured Credit Facility), subject to certain customary conditions.

Subject to certain customary exceptions, the New Senior Secured Credit Facility requires mandatory prepayments, but not permanent reductions of commitments thereunder, for excess cash flow, asset sales, subject to a right of reinvestment, and refinancing facilities.

The New Term Loan Facility amortizes in equal quarterly installments in aggregate annual amounts equal to 1.00% per annum of the original principal amount of the loans funded thereunder. There is no scheduled amortization under the New Revolving Credit Facility.

The New Senior Secured Credit Facility contains affirmative and negative covenants that are customary for financings of this type, including covenants that restrict our incurrence of indebtedness, incurrence of liens, dispositions, investments, acquisitions, restricted payments, transactions with affiliates, as well as other negative covenants customary for financings of this type.

The New Revolving Credit Facility also includes a springing financial maintenance covenant that is tested on the last day of each fiscal quarter if the outstanding loans and certain other credit extensions under the New Revolving Credit Facility exceed 35% of the aggregate amount of commitments thereunder, subject to customary exclusions and conditions. If the financial maintenance covenant is triggered, the first lien net leverage ratio will be tested for compliance not to exceed 7.10 to 1.00.

On October 14, 2020, the Company issued a special distribution of $589 million to Parent (the “Special Distribution”). Proceeds for the New Senior Secured Credit facility and cash on hand were used to fund the special distribution.

On October 14, 2020, prior to the issuance of any of our shares of common stock in our IPO, we converted from a Delaware limited liability company to a Delaware corporation. In connection with the corporate conversion we converted all 1,000 of our outstanding member units into 100,000,000 shares of common stock and then completed a stock split of 1.19994-for-1. The corporate conversion and stock split representing 119,994,467 shares of common stock have been adjusted retroactively for the purposes of calculating basic and diluted earnings per share.

On October 14, 2020, in connection with the IPO, a new Certificate of Incorporation became effective for the Company, which authorized capital stock of 1,000,000,000 shares of common stock, $0.001 par value, and 5,000,000 shares of preferred stock, $0.001 par value.

On October 19, 2020, we closed the IPO and sold 7,000,000 shares of common stock at a public offering price of $22.00 per share. We received net proceeds of $140.2 million after deducting underwriting discounts and commissions of $8.5 million and other offering costs of $5.3 million. We used $105 million of the IPO proceeds to pay down the balance of the New Term Loan Facility to $470 million.

On October 14, 2020, the Company’s 2020 Equity Incentive Plan (the “2020 Plan”) became effective. The 2020 Plan authorized 6,683,919 new shares, subject to adjustments pursuant to the 2020 Plan.

Effective October 14, 2020, the Company granted an aggregate of 29,398 restricted stock units (RSU’s) to its non-employee directors in connection with their service on the board of directors and 470,608 RSU’s to certain executives and members of management. The RSU’s were granted under the 2020 Plan at the IPO price of $22.00 per share. Each share has a vesting commencement date of and is subject to a two to three-year vesting schedule, vesting annually on the anniversary date of the vesting commencement date.

On October 14, 2020, as a result of certain qualifying events, the Special Distribution and shares sold in the IPO by the selling stockholders, a payment of $9.1 million was made to holders of the earn-out.