Stock-Based Compensation Plans - Compensation expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Stock-based compensation expense:
Stock-based compensation expense	$ 8,444	$ 5,397	$ 15,714	$ 10,594
Costs applicable to revenue
Stock-based compensation expense:
Stock-based compensation expense	100	89	225	181
Selling, general, and administrative
Stock-based compensation expense:
Stock-based compensation expense	$ 8,344	$ 5,308	$ 15,489	$ 10,413