Stock-Based Compensation (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended						9 Months Ended
	Sep. 30, 2021	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021
Stock-Based Compensation
Stock-based compensation expense		$ 3,600			$ 3,200			$ 9,800	$ 9,000
Proceeds from exercise of stock options								$ 1,156	$ 3,419
Common Stock
Stock-Based Compensation
Exercise of stock options (in shares)		30,000	25,000	41,000	34,000	72,000	268,000
Common Stock | Employee Stock Purchase Plan
Stock-Based Compensation
Exercise of stock options (in shares)	40,000.0	38,000.0						400,000	700,000
Proceeds from exercise of stock options		$ 400			$ 300			$ 1,900	$ 3,900