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Revenue Recognition (Disaggregation of Revenue by Geography) (Details) - USD ($)
$ in Thousands

3 Months Ended

6 Months Ended

9 Months Ended

12 Months Ended

Sep. 30, 2025

Jun. 30, 2025

Mar. 31, 2025

Sep. 30, 2024

Jun. 30, 2024

Mar. 31, 2024

Jun. 30, 2025

Jun. 30, 2024

Sep. 30, 2025

Sep. 30, 2024

^[2]

Dec. 31, 2024

Dec. 31, 2023

Disaggregation of Revenue [Line Items]

Revenue

$ 281,143

$ 282,000

$ 269,900

$ 286,598

^[1]

$ 287,300

$ 278,600

$ 552,000

$ 565,900

$ 833,109

$ 852,511

$ 1,154,600

$ 1,107,100

United States [Member]

Disaggregation of Revenue [Line Items]

Revenue

237,678

243,523

^[2]

697,819

722,840

United Kingdom [Member]

Disaggregation of Revenue [Line Items]

Revenue

27,494

27,143

^[2]

87,324

83,252

Other countries [Member]

Disaggregation of Revenue [Line Items]

Revenue

$ 15,971

$ 15,932

^[2]

$ 47,966

$ 46,419

[1]	We have revised certain amounts for the three and nine months ended September 30, 2024. See Note 2 and Note 13 for additional information.
[2]	We have revised certain amounts for the three and nine months ended September 30, 2024. See Note 2 and Note 13 for additional information.

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