Commitments and Contingencies - Narrative (Details) $ in Thousands	1 Months Ended		3 Months Ended	12 Months Ended
	Nov. 30, 2025 USD ($) ft² renewal_option	Dec. 31, 2024 USD ($) renewal_option	Sep. 30, 2023 USD ($)	Dec. 31, 2025 USD ($) ft²	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Long-term Purchase Commitment [Line Items]
Area of real estate property (in square feet) | ft²				77,300
Allowance for tenant improvements		$ 3,000			$ 3,000
Lease obligations		30,990		$ 33,103	30,990
Asset impairment and other charges				0	165	$ 9,984
Asset retirement obligation		300		300	300
Indemnification agreement
Long-term Purchase Commitment [Line Items]
Accruals for expenses related to indemnification issues		0		0	0	0
Demand deposits
Long-term Purchase Commitment [Line Items]
Restricted cash and investments, noncurrent		$ 1,100		$ 1,100	$ 1,100
200-220 Penobscot
Long-term Purchase Commitment [Line Items]
Area of real estate property (in square feet) | ft²				28,200
200-220 Penobscot | Penobscot Space, Five Year Renewal Option | Land
Long-term Purchase Commitment [Line Items]
Number of options to extend lease term | renewal_option		1
Renewal term		5 years			5 years
400 Penoscot
Long-term Purchase Commitment [Line Items]
Area of real estate property (in square feet) | ft²				37,900
501 Chesapeake
Long-term Purchase Commitment [Line Items]
Area of real estate property (in square feet) | ft²				11,200
501 Chesapeake | Chesapeake Space, Five Year Renewal Option | Land
Long-term Purchase Commitment [Line Items]
Number of options to extend lease term | renewal_option		1
Renewal term		5 years			5 years
Huntwood Space
Long-term Purchase Commitment [Line Items]
Number of options to extend lease term | renewal_option	2
Renewal term	5 years
Area of operating lease property (in square feet) | ft²	34,304
Initial lease term	6 years
Initial base monthly rent	$ 100
Lessee, operating lease, escalation percentage	0.03
Huntwood Space | Demand deposits
Long-term Purchase Commitment [Line Items]
Restricted cash and investments, noncurrent	$ 600
San Carlos
Long-term Purchase Commitment [Line Items]
Lease obligations				$ 3,100
Operating lease, write-off due to lease modification				$ 19,600
Asset impairment and other charges			$ 7,700			1,500
Impairment of leasehold			4,700			$ 4,700
Operating lease, impairment loss			$ 3,000