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Subsequent Events - Narrative (Details) - Subsequent Event | Dec. 15, 2021 USD ($) $ / shares shares | Nov. 24, 2021 USD ($)
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Private Placement |  |
Subsequent Event [Line Items] |  |
Number of shares sold (in shares) | shares | 4,687,500 |
Price of shares sold (in USD per share) | $ / shares | $ 16.00 |
Percentage ownership after shares sold | 15.00% |
Proceeds from private placement | $ 75,000,000 |
Credit Facility | Fourth Admendment to Credit Agreement |  |
Subsequent Event [Line Items] |  |
Maximum TNLR ratio |  | 3.50
Minimum liquidity to avoid trigger of manufacturing covenant |  | $ 50,000,000
Carryforward of minimum units manufactured |  | 50.00%
Maximum borrowing capacity to trigger stated rate |  | $ 100,000,000
Stated interest rate above maximum borrowing capacity |  | 5.75%
Stated interest rate (as a percent) |  | 0.50%
Maximum equity offering |  | $ 100,000,000
Equity proceeds used to repay debt |  | 100.00%
Maximum borrowings before equity issuance |  | $ 110,000,000
Maximum borrowing capacity after equity issuance |  | $ 100,000,000

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