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Redeemable Senior Preferred Stock and Warrants - Senior Purchase Agreement (Details) |  | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | ---
Apr. 27, 2021 USD ($) day $ / shares shares | Jun. 30, 2021 USD ($) $ / shares shares | Jun. 30, 2021 USD ($) $ / shares shares | Mar. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) $ / shares
Debt and Equity Securities, FV-NI [Line Items] |  |  |  |  |
Temporary equity, shares issued (in shares) | shares | 150,000 | 150,000 | 150,000 |  |
Temporary equity par value (USD per share) | $ / shares | $ 0.001 | $ 0.001 | $ 0.001 |  |
Preferred stock par value (USD per share) | $ / shares |  | 0.001 | 0.001 |  | $ 0.001
Purchase price | $ 150,000,000 |  |  |  |
Discount | 5,000,000.0 |  |  |  |
Purchase price per transaction | $ 1,000 |  |  |  |
Warrants and rights, number of shares allowed to purchase (in shares) | shares | 1,803,841 |  |  |  |
Common stock par value (USD per share) | $ / shares |  | $ 0.001 | $ 0.001 |  | $ 0.001
Exercise price (USD per share) | $ / shares | $ 0.001 |  |  |  |
Sale of stock, additional shares, period one | shares | 50,000 |  |  |  |
Maximum purchase price | $ 50,000,000 |  |  |  |
Purchase price per preferred share (USD per share) | $ / shares | $ 1,000 |  |  |  |
Discount on maximum purchase price | $ 625,000 |  |  |  |
Purchased price per preferred share, period two (USD per share) | $ / shares | $ 1,000 |  |  |  |
Period of agreement (in months) | 18 months |  |  |  |
Dividend rate, floor (as a percent) |  |  | 1.00% |  |
Dividends |  |  | $ 3,412,500 |  |
Cash paid on dividends |  |  | 1,575,000 |  |
PIK dividends declared on redeemable senior preferred stock |  | $ 1,838,000 | 1,837,500 |  |
Liquidation preference per share | $ / shares | $ 1,000 |  |  |  |
Liquidation preference percentage | 100.00% |  |  |  |
Other non-current assets |  | 10,890,000 | 10,890,000 |  | $ 1,957,000
Number of days after written notice | day | 30 |  |  |  |
Number of days after redemption | day | 90 |  |  |  |
Temporary equity issuance costs | $ 5,500,000 |  |  |  |
Proceeds from issuance of temporary equity | 139,500,000 |  |  |  |
Temporary equity carrying value | 131,400,000 | 133,762,000 | 133,762,000 | $ 0 | $ 0
Fair value of warrants issued | 11,400,000 | 11,357,000 |  |  |
non-current assets | $ 3,300,000 |  |  |  |
Accretion of discount and deferred issuance costs |  | $ 500,000 | $ 500,000 |  |
LIBOR |  |  |  |  |
Debt and Equity Securities, FV-NI [Line Items] |  |  |  |  |
Variable rate (as a percent) |  |  | 12.00% |  |
Dividend rate (as a percent) |  |  | 1.00% |  |
Base Rate |  |  |  |  |
Debt and Equity Securities, FV-NI [Line Items] |  |  |  |  |
Increase in dividend rate (as a percent) |  |  | 2.00% |  |
Dividend rate (as a percent) |  |  | 5.00% |  |
PIK Dividends rate (as a percent) |  |  | 7.00% |  |
Base Rate | Dividend Rate 1 |  |  |  |  |
Debt and Equity Securities, FV-NI [Line Items] |  |  |  |  |
Variable rate (as a percent) |  |  | 5.00% |  |
Base Rate | Dividend Rate 2 |  |  |  |  |
Debt and Equity Securities, FV-NI [Line Items] |  |  |  |  |
Variable rate (as a percent) |  |  | 3.00% |  |
Base Rate | Dividend Rate 3 |  |  |  |  |
Debt and Equity Securities, FV-NI [Line Items] |  |  |  |  |
Variable rate (as a percent) |  |  | 5.00% |  |
Dividend payment period (in days) |  |  | 120 days |  |
Base Rate | Dividend Rate 4 |  |  |  |  |
Debt and Equity Securities, FV-NI [Line Items] |  |  |  |  |
Variable rate (as a percent) |  |  | 5.00% |  |
Dividend payment period (in days) |  |  | 30 days |  |

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