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Cash, Cash Equivalents and Restricted Cash (Tables)

6 Months Ended

Jun. 30, 2026

Cash and Cash Equivalents [Abstract]

Schedule of cash and cash equivalents

Cash, cash equivalents and restricted cash as of December 31, 2025 and June 30, 2026 consisted of the following (in thousands):

​

​	​	​	​	​	​	​
​	​ ​ ​	December 31,		​ ​ ​	June 30,
​	​	2025		​	2026
Current assets:		​	​		​	​
Cash and cash equivalents	​	$	155,584	​	$	56,981
Restricted cash - standby letter of credit	​		2,172	​		2,172
Total cash, cash equivalents and current portion of restricted cash	​	$	157,756	​	$	59,153

Schedule of components of restricted cash

Cash, cash equivalents and restricted cash as of December 31, 2025 and June 30, 2026 consisted of the following (in thousands):

​

​	​	​	​	​	​	​
​	​ ​ ​	December 31,		​ ​ ​	June 30,
​	​	2025		​	2026
Current assets:		​	​		​	​
Cash and cash equivalents	​	$	155,584	​	$	56,981
Restricted cash - standby letter of credit	​		2,172	​		2,172
Total cash, cash equivalents and current portion of restricted cash	​	$	157,756	​	$	59,153

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- References

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- Definition

Tabular disclosure of the components of cash and cash equivalents.

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- Definition

Tabular disclosure of cash and cash equivalents restricted as to withdrawal or usage.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(1)(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-8

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