For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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- Definition

Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

+ References

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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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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Business Information - Additional Information (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($) Segment	Dec. 31, 2021 USD ($)	Dec. 31, 2020
Segment Reporting Information [Line Items]
Number of business segments \| Segment	1
United States
Segment Reporting Information [Line Items]
Long-lived assets	$ 30.3	$ 29.1
United Kingdom
Segment Reporting Information [Line Items]
Long-lived assets	$ 6.3
Revenue \| Geographic Concentration Risk \| United States
Segment Reporting Information [Line Items]
Percentage of revenue	41.00%	59.00%	52.00%
Revenue \| Geographic Concentration Risk \| United Kingdom
Segment Reporting Information [Line Items]
Percentage of revenue	25.00%	13.00%	36.00%
Revenue \| One client \| Customer Concentration Risk
Segment Reporting Information [Line Items]
Percentage of revenue	0.00%	0.00%	14.00%