Summary of Significant Accounting Policies - Variable Interest Entities (Details) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2025 USD ($) variableInterestEntity	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) variableInterestEntity	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($) variableInterestEntity
Variable Interest Entity [Line Items]
Number of consolidated variable interest entities | variableInterestEntity		9		9		9
Assets	[1]	$ 5,154,373		$ 5,154,373		$ 4,956,100
Income before income taxes		(2,203)	$ 57,067	193,987	$ 195,814
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Assets		1,300,000		1,300,000		$ 1,300,000
Income before income taxes		$ 75,700	$ 68,600	$ 206,300	$ 207,000

[1] As of September 30, 2025 and December 31, 2024, the unaudited condensed consolidated balance sheets included total liabilities of consolidated variable interest entities of $309.0 million and $306.4 million, respectively. Refer to Note 2, Summary of Significant Accounting Policies, for further discussion.