Summary of Significant Accounting Policies - Reconciliation of Revenue from Segments to Consolidated (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Product Information [Line Items]
Total revenue presented in accordance with Article 5	$ 61,093	$ 148,392
Net investment income	10,263	9,058
Total revenue	$ 311,830	328,336
Revision of Prior Period, Reclassification, Adjustment
Product Information [Line Items]
Total revenue presented in accordance with Article 5		319,593
Net investment income		9,058
Net investment losses		(315)
Total revenue		$ 328,336