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Related Party Transactions - Additional Information (Details) $ in Millions |  |  | 6 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 31, 2021 USD ($) | Feb. 29, 2020 USD ($) shares | Jun. 30, 2021 USD ($) | Dec. 31, 2021 USD ($) Facility shares | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Mar. 16, 2020 USD ($) | Feb. 28, 2019 shares | Oct. 26, 2016 USD ($) | Aug. 31, 2015 USD ($)
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Number of facilities | Facility |  |  |  | 4 |  |  |  |  |  |
Preferred stock, shares issued | shares |  |  |  | 0 |  |  |  |  |  |
Series C Convertible Preferred Stock |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Preferred stock, shares issued | shares |  | 3,764,606,000 |  |  |  |  |  | 3,764,606,000 |  |
Preferred stock shares sold | shares |  | 501,947,000 |  |  |  |  |  | 501,947,000 |  |
Proceeds from issuance or sale of equity |  | $ 85.0 |  |  |  |  |  |  |  |
Notes Payable - Other |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Debt Instrument Interest Rate Stated Percentage |  |  |  |  |  |  |  |  |  | 14.00%
Debt instrument, outstanding amount |  |  |  | $ 1.1 |  |  |  |  |  |
Interest expense, borrowings |  |  |  | $ 0.1 | $ 0.2 | $ 0.2 |  |  |  |
Notes payable |  |  |  |  |  |  |  |  |  | $ 1.1
First American Financial Corporation |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Ownership percentage |  |  |  | 5.00% |  |  |  |  |  |
Fees paid for services |  |  |  | $ 11.9 | 7.1 | 6.9 |  |  |  |
Senior Secured Credit Line |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Number of facilities | Facility |  |  |  | 1 |  |  |  |  |  |
Mezzanine facility [Member] |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Number of facilities | Facility |  |  |  | 2 |  |  |  |  |  |
L L Funds Loan Agreement |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Ownership percentage |  |  |  |  |  |  |  |  | 5.00% |
L L Funds Loan Agreement | Senior Secured Credit Line |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Maximum principal amount |  |  |  |  |  |  |  |  | $ 85.0 |
L L Funds Loan Agreement | Mezzanine Secured Loan |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Maximum principal amount |  |  |  |  |  |  |  |  | $ 14.0 |
LL Mezz Loan Agreement |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Maximum principal amount |  |  |  |  |  |  | $ 65.0 |  |  |
Interest expense, borrowings |  |  |  | $ 11.7 | $ 8.2 | $ 16.8 |  |  |  |
First American Credit Agreement |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Debt Instrument Interest Rate Stated Percentage | 12.00% |  |  |  |  |  |  |  |  |
Outstanding amount |  |  | $ 30.0 |  |  |  |  |  |  |
Additional borrowing capacity | $ 25.0 |  |  |  |  |  |  |  |  |
Borrowing outstanding | $ 55.0 |  |  |  |  |  |  |  |  |
First American Credit Agreement | Class A Common Stock |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Ownership percentage |  |  | 5.00% |  |  |  |  |  |  |

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