Related Parties (Details) $ / shares in Units, $ in Millions				1 Months Ended		6 Months Ended	12 Months Ended
	Jul. 06, 2020 USD ($) shares	Jun. 30, 2020 $ / shares shares	Jan. 01, 2020	Sep. 30, 2021	Jun. 30, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2022 USD ($) director $ / shares shares	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 13, 2022 USD ($)
Related Party Transaction [Line Items]
Stock issued (shares) | shares	108,506,312
Gross proceeds from sale of stock	$ 2,381.0
Stock options
Related Party Transaction [Line Items]
Stock options granted during period (shares) | shares							4,914,868
Exercise price of stock options granted during period (USD per share) | $ / shares							$ 15.89
Private Placement
Related Party Transaction [Line Items]
Stock issued (shares) | shares	18,458,700
Issuance price per share relative to IPO price per share (as a percent)	98.50%
Stock Issuance Costs | Star Parent, L.P.
Related Party Transaction [Line Items]
Expenses from transactions with related party	$ 30.0
Affiliated Entity
Related Party Transaction [Line Items]
Number of directors designated by related parties | director							5
Affiliated Entity | Private Placement | Common Stock
Related Party Transaction [Line Items]
Stock issued (shares) | shares	18,458,700
Issuance price per share relative to IPO price per share (as a percent)	98.50%
Exercise price of stock options granted during period (USD per share) | $ / shares		$ 22.00
Affiliated Entity | Black Knight Inc. | Private Placement | Common Stock
Related Party Transaction [Line Items]
Gross proceeds from sale of stock	$ 100.0
Affiliated Entity | Cannae Holdings | Private Placement | Common Stock
Related Party Transaction [Line Items]
Gross proceeds from sale of stock	200.0
Affiliated Entity | CC Capital | Private Placement | Common Stock
Related Party Transaction [Line Items]
Gross proceeds from sale of stock	$ 100.0
Affiliated Entity | Products, Data and Professional Services | Black Knight Inc.
Related Party Transaction [Line Items]
Term of service agreement					5 years
Related party transaction, revenue to be recognized from transactions with related party					$ 24.0
Related party transaction, cost to be recognized from transactions with related party					$ 34.0
Expenses from transactions with related party							$ 2.0	$ 1.9
Revenue from related parties							4.6	4.5
Due to related parties							2.6	3.4
Affiliated Entity | Products, Data and Professional Services | Black Knight Inc. | Other Prepaid
Related Party Transaction [Line Items]
Due to related parties							2.7	2.6
Affiliated Entity | Products, Data and Professional Services | Black Knight Inc. | Contract With Customer, Liability, Current
Related Party Transaction [Line Items]
Due to related parties							0.8	0.2
Affiliated Entity | Products, Data and Professional Services | Black Knight Inc. | Accounts Payable and Accrued Liabilities
Related Party Transaction [Line Items]
Due to related parties							0.9	0.9
Affiliated Entity | Products, Data and Professional Services | Black Knight Inc. | Other Noncurrent Liabilities
Related Party Transaction [Line Items]
Due to related parties							1.7	2.5
Affiliated Entity | Data License and Risk Management Solution Services | Paysafe Limited
Related Party Transaction [Line Items]
Term of service agreement				10 years
Revenue from related parties							10.4	4.5
Related party transaction, service agreement, cancellation notice term				90 days
Due from related parties							0.1	1.2
Affiliated Entity | Data License and Risk Management Solution Services | Paysafe Limited | Accounts Receivable
Related Party Transaction [Line Items]
Due from related parties							$ 3.6	$ 4.1
Chief Operating Officer | Paysafe Limited | FLORIDA
Related Party Transaction [Line Items]
Term of lease										63 months
Chief Operating Officer | Lease Cost | Paysafe Limited | FLORIDA
Related Party Transaction [Line Items]
Total rental payments										$ 4.2
Board of Directors Chairman & Director | Stock options
Related Party Transaction [Line Items]
Total compensation expense for stock options granted						$ 20.0
Board of Directors Chairman & Director | Trasimene Capital Management, LLC
Related Party Transaction [Line Items]
Term of service agreement			3 years
Board of Directors Chairman
Related Party Transaction [Line Items]
Stock options granted during period (shares) | shares		2,080,000
Board of Directors Chairman | Trasimene Capital Management, LLC
Related Party Transaction [Line Items]
Transaction fee valuation rate (as a percent)			1.00%
Board of Directors Chairman | Service Agreement, Transaction Fees | Trasimene Capital Management, LLC
Related Party Transaction [Line Items]
Expenses from transactions with related party									$ 0.4
Director
Related Party Transaction [Line Items]
Stock options granted during period (shares) | shares		2,080,000