Restructuring and Restructuring-Related Activities - Summary of Restructuring Activities (Details) - USD ($) $ in Thousands		9 Months Ended	12 Months Ended		20 Months Ended
		Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023
Restructuring Cost and Reserve [Line Items]
Restructuring reserve (prepaid), beginning balance		$ 0	$ 1,330
Charges		12,169	3,621	$ 12,169	$ 15,800
Charges settled in cash		(9,988)	(3,425)
Charges settled in non-cash		(851)	(87)
Restructuring reserve (prepaid), ending balance		1,330	1,439	1,330	1,439
Workforce
Restructuring Cost and Reserve [Line Items]
Restructuring reserve (prepaid), beginning balance	[1]	0	1,294
Charges	[1]	7,802	3,534
Charges settled in cash	[1]	(6,505)	(3,335)
Charges settled in non-cash	[1]	(3)	(49)
Restructuring reserve (prepaid), ending balance	[1]	1,294	1,444	1,294	1,444
Facilities-related
Restructuring Cost and Reserve [Line Items]
Restructuring reserve (prepaid), beginning balance	[2]	0	36
Charges	[2]	4,200	87
Charges settled in cash	[2]	(3,316)	(90)
Charges settled in non-cash	[2]	(848)	(38)
Restructuring reserve (prepaid), ending balance	[2]	36	(5)	36	(5)
Other
Restructuring Cost and Reserve [Line Items]
Restructuring reserve (prepaid), beginning balance		0	0
Charges		167	0
Charges settled in cash		(167)	0
Charges settled in non-cash		0	0
Restructuring reserve (prepaid), ending balance		$ 0	$ 0	$ 0	$ 0

[1] Balance at December 31, 2023 is recorded in accrued payroll and employee related liabilities and accrued expenses in the consolidated balance sheet. Balance at December 31, 2022 is recorded in accrued payroll and employee related liabilities in the consolidated balance sheet.

[2] Balance at December 31, 2023 is recorded in prepaid expenses in the consolidated balance sheet. Balance at December 31, 2022 is recorded in accrued expenses in the consolidated balance sheet. Charges settled in non-cash relate to the loss on disposal of assets partially offset by derecognizing the ROU asset and liability for lease terminations.