Summary of Significant Accounting Policies - Dividends (Details) - Class A Common Stock $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($) dividend $ / shares	Dec. 31, 2023 USD ($) dividend $ / shares
Number of quarterly cash dividends declared | dividend	4	4
Cash dividend paid (in dollars per share) | $ / shares	$ 1.6
Dividends | $	$ 10.0	$ 18.6
Number of special dividends declared | dividend		1
Cash and special dividend (in dollars per share) | $ / shares		$ 3