Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 2
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The estimated measure of the maximum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

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The estimated measure of the minimum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

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The maximum risk-free interest rate assumption that is used in valuing an option on its own shares.

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The minimum risk-free interest rate assumption that is used in valuing an option on its own shares.

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Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Share-based Compensation Stock Incentive Plans - Share-based Compensation Expense and Valuation Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation Expense
Share-based compensation expense	$ 1.1	$ 1.7	$ 2.5		$ 5.9	$ 5.2
Assumptions
Expected dividend yield					0.00%	0.00%
ABP Sub Inc. 2019 Incentive Award Plan
Share-based Compensation Expense
Share-based compensation expense	1.1	1.7	2.5	$ 3.2	$ 5.9	$ 5.2
Assumptions
Expected volatility, minimum					47.00%	56.00%
Expected volatility, maximum					61.00%	60.00%
Risk-free interest rate, minimum					1.87%	0.79%
Risk-free interest rate, maximum					3.92%	1.33%
ABP Sub Inc. 2019 Incentive Award Plan \| Minimum
Assumptions
Expected life (in years)					5 years 9 months	5 years 3 months 18 days
ABP Sub Inc. 2019 Incentive Award Plan \| Maximum
Assumptions
Expected life (in years)					6 years 3 months	6 years 3 months
Selling, general and administrative expenses
Share-based Compensation Expense
Share-based compensation expense	1.0	1.5	2.2		$ 4.6	$ 4.4
Research and development expenses
Share-based Compensation Expense
Share-based compensation expense	$ 0.1	$ 0.2	$ 0.3		$ 1.3	$ 0.8