Fair Value of Financial Instruments - Summary Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Assets:
Equity securities	$ 558	$ 375
Fixed maturity debt securities, including cash equivalents	117,972	657
Fair Value, Recurring
Assets:
Money market funds	0	405
Equity securities	558	375
Fixed maturity debt securities, including cash equivalents	135,346	657
Total Assets	135,904	1,437
Liabilities:
Redeemable convertible preferred stock tranche obligation		2,832
Earnout shares liability	7,679
Total Liabilities	13,970	2,976
Fair Value, Recurring \| Merger warrants liability
Liabilities:
Warrants liability	6,291
Fair Value, Recurring \| Historic warrants liability
Liabilities:
Warrants liability		144
Fair Value, Recurring \| Level 1
Assets:
Money market funds	0	405
Equity securities	558	375
Fixed maturity debt securities, including cash equivalents	0	246
Total Assets	558	1,026
Liabilities:
Redeemable convertible preferred stock tranche obligation		0
Earnout shares liability	0
Total Liabilities	3,941	0
Fair Value, Recurring \| Level 1 \| Merger warrants liability
Liabilities:
Warrants liability	3,941
Fair Value, Recurring \| Level 1 \| Historic warrants liability
Liabilities:
Warrants liability		0
Fair Value, Recurring \| Level 2
Assets:
Money market funds	0	0
Equity securities	0	0
Fixed maturity debt securities, including cash equivalents	135,346	411
Total Assets	135,346	411
Liabilities:
Redeemable convertible preferred stock tranche obligation		0
Earnout shares liability	0
Total Liabilities	2,350	0
Fair Value, Recurring \| Level 2 \| Merger warrants liability
Liabilities:
Warrants liability	2,350
Fair Value, Recurring \| Level 2 \| Historic warrants liability
Liabilities:
Warrants liability		0
Fair Value, Recurring \| Level 3
Assets:
Money market funds	0	0
Equity securities	0	0
Fixed maturity debt securities, including cash equivalents	0	0
Total Assets	0	0
Liabilities:
Redeemable convertible preferred stock tranche obligation		2,832
Earnout shares liability	7,679
Total Liabilities	7,679	2,976
Fair Value, Recurring \| Level 3 \| Merger warrants liability
Liabilities:
Warrants liability	$ 0
Fair Value, Recurring \| Level 3 \| Historic warrants liability
Liabilities:
Warrants liability		$ 144

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Reverse Recapitalization, Contingent Consideration, Liability

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Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current.

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Fair value of financial and nonfinancial obligations.

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Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

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