Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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Stock-Based Compensation - Restricted common stock award activity (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2022	Dec. 31, 2021
Restricted stock awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Liability for unvested awards	$ 0.0	$ 0.0
Shares
Unvested restricted common stock at beginning of period		770
Vested		(770)
Unvested restricted common stock at end of period			770
Weighted Average Grant Date Fair Value
Unvested restricted common stock at beginning of period		$ 0.85
Vested		$ 0.85
Unvested restricted common stock at end of period			$ 0.85
Total fair value of restricted common stock vested	$ 0.0
Restricted stock awards \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Liability for unvested awards			$ 0.1
Weighted Average Grant Date Fair Value
Total fair value of restricted common stock vested		$ 0.1
Service-based restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		4 years
Issued in period		0	0