Summary of Significant Accounting Policies - Contract Fulfillment Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Intake Costs and other fulfillment costs asset
Contract With Customer, Asset And Liabilities [Line Items]
GROSS CARRYING AMOUNT	$ 105,151	$ 111,923
ACCUMULATED AMORTIZATION	(57,260)	(60,999)
NET CARRYING AMOUNT	47,891	50,924
Commissions asset
Contract With Customer, Asset And Liabilities [Line Items]
GROSS CARRYING AMOUNT	246,296	243,966
ACCUMULATED AMORTIZATION	(113,205)	(110,365)
NET CARRYING AMOUNT	$ 133,091	$ 133,601