Summary of Significant Accounting Policies - Restructuring (Benefits) Costs (Details) - USD ($) $ in Thousands	3 Months Ended			12 Months Ended
	Dec. 31, 2023	Jun. 30, 2023	Sep. 30, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Restructuring Reserve [Roll Forward]
Charged to restructuring	$ 900	$ 900	$ 2,500	$ 2,553	$ 1,861	$ 2,630
Employee Termination Costs
Restructuring Reserve [Roll Forward]
Balance at beginning of period				799	160	499
Charged to restructuring				2,491	792	814
Payments and adjustments				(2,395)	(153)	(1,153)
Balance at end of period	895			895	799	160
Lease-Related Exit Costs
Restructuring Reserve [Roll Forward]
Balance at beginning of period				2,196	2,423	2,687
Charged to restructuring				62	765	544
Payments and adjustments				(1,074)	(992)	(808)
Balance at end of period	$ 1,184			$ 1,184	$ 2,196	$ 2,423