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Equity and Redeemable Preferred Stock - Narrative (Details) $ / shares in Units, $ in Thousands |  |  |  |  | 3 Months Ended
--- | --- | --- | --- | --- | ---
Mar. 31, 2021 USD ($) d $ / shares | Mar. 25, 2021 | Jul. 07, 2020 shares | Jul. 02, 2020 USD ($) $ / shares shares | Mar. 31, 2021 USD ($) $ / shares shares | Sep. 30, 2020 shares
Class of Stock [Line Items] |  |  |  |  |  |
Shares issued (in shares) |  |  |  |  |  | 10,698,000
Series A Mandatory Convertible Preferred Stock |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Sale of stock, shares issued (in shares) |  |  | 2,300,000 |  |  |
Convertible preferred stock, right to convert, into common stock (in shares) |  |  |  | 1 |  |
Mandatory convertible preferred stock, holder, days after effective date of change |  |  |  | 20 days |  |
Accrued preferred stock dividends | $ | $ 6,900 |  |  |  | $ 6,900 |
Series A Mandatory Convertible Preferred Stock | Underwritten Public Offering |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Sale of stock, shares issued (in shares) |  |  |  | 2,000,000 |  |
Preferred stock, dividend rate, percentage |  |  |  | 6.00% |  |
Preferred stock, par value (in usd per share) | $ / shares |  |  |  | $ 0 |  |
Proceeds from stock offering | $ |  |  |  | $ 400,000 |  |
Series A Mandatory Convertible Preferred Stock | Underwritten Public Offering | Maximum |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Convertible preferred stock, shares issued upon conversion (in shares) |  |  |  | 4.6512 |  |
Series A Mandatory Convertible Preferred Stock | Underwritten Public Offering | Minimum |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Convertible preferred stock, shares issued upon conversion (in shares) |  |  |  | 3.8760 |  |
Series A Mandatory Convertible Preferred Stock | Over-Allotment Option |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Sale of stock, shares issued (in shares) |  |  |  | 300,000 |  |
Proceeds from stock offering | $ |  |  |  | $ 60,000 |  |
Option to purchase additional shares, period |  |  |  | 30 days |  |
Preferred Stock |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Accrued preferred stock dividends | $ | $ 100 |  |  |  | $ 100 |
Series B-1 Convertible Preferred Stock |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Preferred stock, dividend rate, percentage |  | 5.00% |  |  |  |
Shares issued (in shares) |  |  |  |  | 75,000 |
Debt instrument conversion, conversion price per share (in usd per share) | $ / shares | $ 85.00 |  |  |  | $ 85.00 |
Common stock , conversion, if volume weighted average price, percentage exceeds applicable conversion price | 150.00% |  |  |  |  |
Trading days | d | 20 |  |  |  |  |
Consecutive trading days | d | 30 |  |  |  |  |
Default on payment obligation, cure period | 30 days |  |  |  |  |
Preferred stock, default on payment obligation, dividend rate, percentage |  | 14.00% |  |  |  |
Default on payment obligation, dividend rate, quarterly increase, percentage | 2.00% |  |  |  |  |
Transaction costs incurred | $ |  |  |  |  | $ 26,600 |
Debt issuance costs capitalized | $ | $ 22,500 |  |  |  | 22,500 |
Series B-1 Convertible Preferred Stock | Maximum |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Preferred stock, default on payment obligation, dividend rate, percentage | 14.00% |  |  |  |  |
Series B-1 Convertible Preferred Stock | Minimum |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Preferred stock, default on payment obligation, dividend rate, percentage | 8.00% |  |  |  |  |
Series B-1 Convertible Preferred Stock | Selling, General and Administrative Expenses |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Transaction costs incurred | $ |  |  |  |  | $ 4,100 |
Common Stock |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Sale of stock, shares issued (in shares) |  |  | 10,700,000 |  |  |
Common Stock | Underwritten Public Offering |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Sale of stock, shares issued (in shares) |  |  |  | 9,302,235 |  |
Proceeds from stock offering | $ |  |  |  | $ 400,000 |  |
Sale of stock, price per share (in usd per share) | $ / shares |  |  |  | $ 43.00 |  |
Common Stock | Over-Allotment Option |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Sale of stock, shares issued (in shares) |  |  |  | 1,395,335 |  |
Proceeds from stock offering | $ |  |  |  | $ 60,000 |  |
Option to purchase additional shares, period |  |  |  | 30 days |  |

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