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Stockholders' Equity - Additional Information (Details) |  |  |  | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Feb. 05, 2021 USD ($) shares | Jan. 25, 2021 USD ($) $ / shares shares | Oct. 01, 2020 USD ($) $ / shares item D shares | Sep. 30, 2022 USD ($) $ / shares shares | Sep. 30, 2021 USD ($) director shares | Dec. 31, 2021 USD ($) $ / shares shares | Dec. 31, 2020 USD ($)
Stockholders' Equity |  |  |  |  |  |  |
Common stock, shares authorized |  |  |  | 100,000,000 |  | 100,000,000 |
Preferred stock, par value (in dollars per share) | $ / shares |  |  |  | $ 0.001 |  | $ 0.001 |
Preferred stock, shares authorized |  |  |  | 2,500,000 |  | 2,500,000 |
Common stock, par value (in dollars per share) | $ / shares |  |  | $ 0.001 | $ 0.001 |  | $ 0.001 |
Aggregate purchase price | $ |  |  |  | $ 33,300,000 |  |  |
Dividends, paid-in-kind | $ |  |  |  | $ 6,000,000.0 |  | $ 8,200,000 |
Deemed dividend | $ |  |  | $ 39,500,000 |  |  |  |
Series C Preferred stock conversion expenses | $ | $ 1,800,000 |  |  |  |  |  |
Proceeds from public offering, net of offering costs | $ |  |  |  |  | $ 269,825,000 |  |
Common stock, shares issued |  |  |  | 48,558,431 |  | 49,616,154 |
Issuance of common stock in public offering, net of costs of $17.7 million | $ |  |  |  |  | 269,825,000 |  |
Senior Notes 2025 |  |  |  |  |  |  |
Stockholders' Equity |  |  |  |  |  |  |
Common stock issued upon conversion of senior notes |  |  |  | 599,954 |  | 4,810,002 |
Senior Notes 2026 |  |  |  |  |  |  |
Stockholders' Equity |  |  |  |  |  |  |
Common stock issued upon conversion of senior notes |  |  |  | 3,422,780 |  |  |
Warrants |  |  |  |  |  |  |
Stockholders' Equity |  |  |  |  |  |  |
Common stock issued upon conversion of senior notes |  |  |  | 17,700,000 |  |  |
Director |  |  |  |  |  |  |
Stockholders' Equity |  |  |  |  |  |  |
Shares issued to underwriters (in values) | $ |  |  |  |  | $ 11,500 |  |
Shares issued to the underwriters |  |  |  |  | 229 |  |
Number of members | director |  |  |  |  | 1 |  |
Class A convertible preferred stock |  |  |  |  |  |  |
Stockholders' Equity |  |  |  |  |  |  |
Preferred stock, par value (in dollars per share) | $ / shares |  |  |  | $ 0.001 |  | $ 0.001 |
Preferred stock, shares authorized |  |  |  | 800,000 |  | 800,000 |
Class B convertible preferred stock |  |  |  |  |  |  |
Stockholders' Equity |  |  |  |  |  |  |
Preferred stock, par value (in dollars per share) | $ / shares |  |  |  | $ 0.001 |  | $ 0.001 |
Preferred stock, shares authorized |  |  |  | 585,000 |  | 585,000 |
Class C convertible preferred stock |  |  |  |  |  |  |
Stockholders' Equity |  |  |  |  |  |  |
Shares issued to the underwriters | 50,000 |  |  |  |  |  |
Preferred stock, dividend rate (as a percent) |  |  |  | 4.00% |  |  |
Preferred stock, par value (in dollars per share) | $ / shares |  |  |  | $ 0.001 |  | $ 0.001 |
Preferred stock, shares authorized |  |  |  | 250,000 |  | 250,000 |
Dividends, paid-in-kind | $ |  |  |  |  |  |  | $ 300,000
Liquidation preference (in dollars per share) | $ / shares |  |  | $ 1,000 |  |  |  |
Conversion price (in dollars per share) | $ / shares |  |  | $ 38.6152 |  |  |  |
Conversion rate | $ / shares |  |  | 25.90 |  |  |  |
Shares to be issued upon conversion |  |  | 6,474,135 |  |  |  |
Threshold trading days for conversion of preferred stock | D |  |  | 20 |  |  |  |
Threshold consecutive trading days for conversion of preferred stock | D |  |  | 30 |  |  |  |
Stock price trigger as a percentage of conversion price for conversion of preferred stock |  |  | 150.00% |  |  |  |
Dividend rate on shares not repurchased |  |  | 5.50% |  |  |  |
Number of member to the board of directors who can be elected by the preferred stock holders | item |  |  | 1 |  |  |  |
Percentage of stock to be held to exercise the right to nominate member of board of directors |  |  | 66.67% |  |  |  |
Class C convertible preferred stock | Prior to the 180-day anniversary of October 1, 2020 |  |  |  |  |  |  |
Stockholders' Equity |  |  |  |  |  |  |
Number of shares to be redeemed | 50,000 |  |  |  |  |  |
Class C convertible preferred stock | At any time beginning five years after Closing Date (but prior to six years after the Closing Date) |  |  |  |  |  |  |
Stockholders' Equity |  |  |  |  |  |  |
Redemption price (as a percent) |  |  | 105.00% |  |  |  |
Class C convertible preferred stock | At any time beginning six years after Closing Date |  |  |  |  |  |  |
Stockholders' Equity |  |  |  |  |  |  |
Redemption price (as a percent) |  |  | 100.00% |  |  |  |
Common Stock |  |  |  |  |  |  |
Stockholders' Equity |  |  |  |  |  |  |
Shares to be issued upon conversion | 1,312,860 |  |  |  |  |  |
Private Placement |  |  |  |  |  |  |
Stockholders' Equity |  |  |  |  |  |  |
Proceeds from issuance of common stock, net of issuance costs | $ |  |  | $ 25,000,000.0 |  |  |  |
Aggregate purchase price | $ |  |  | 275,000,000.0 |  |  |  |
Reimbursement of transactional expenses | $ |  |  | 1,000,000.0 |  |  |  |
Net proceeds from private placement | $ |  |  | 265,400,000 |  |  |  |
Offering costs | $ |  |  | $ 8,600,000 |  |  |  |
Private Placement | Class C convertible preferred stock |  |  |  |  |  |  |
Stockholders' Equity |  |  |  |  |  |  |
Shares issued to the underwriters |  |  | 250,000 |  |  |  |
Preferred stock, dividend rate (as a percent) |  |  | 4.00% |  |  |  |
Preferred stock, par value (in dollars per share) | $ / shares |  |  | $ 0.001 |  |  |  |
Shares issued, price per share (in dollars per share) | $ / shares |  |  | $ 1,000 |  |  |  |
Proceeds from issuance of stock | $ |  |  | $ 250,000,000.0 |  |  |  |
Net proceeds from private placement | $ |  |  | $ 28,200,000 |  |  |  |
Private Placement | Common Stock |  |  |  |  |  |  |
Stockholders' Equity |  |  |  |  |  |  |
Shares issued to the underwriters |  |  | 675,536 |  |  |  |
Net proceeds from private placement | $ |  |  | $ 237,200,000 |  |  |  |
Underwritten public offering |  |  |  |  |  |  |
Stockholders' Equity |  |  |  |  |  |  |
Stock Issued During Period, Shares, Issued for Services |  | 568,181 |  |  |  |  |
Shares issued to the underwriters |  | 4,356,059 |  |  |  |  |
Shares issued, price per share (in dollars per share) | $ / shares |  | $ 66.00 |  |  |  |  |
Proceeds from issuance of common stock, net of issuance costs | $ |  | $ 269,800,000 |  |  |  |  |

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