Stock-Based Compensation - Employee Stock Purchase Plan (Details) $ in Thousands		12 Months Ended
	Oct. 26, 2021 USD ($)	Dec. 31, 2021 USD ($) employee shares	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense		$ 10,632	$ 9,362	$ 13,730
Employee Stock | 2021 Stock Repurchase Program
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum employee subscription rate	15.00%
Maximum employee subscription amount	$ 21,250
Purchase price discount	85.00%
Number of employees | employee		95
Expected contributions		$ 640
Total stock-based compensation expense		$ 177
Number of shares purchased (in shares) | shares		0