Adaptimmune Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Marketable securities - Available-for-sale debt securities (Details)

v3.23.1

Marketable securities - Available-for-sale debt securities (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($)
Debt Securities
Marketable securities
Amortized cost	$ 46,146
Gross unrealized losses	(458)
Aggregate estimated fair value	45,688
Corporate Debt Securities Maturity Period Less Than Three Months \| Debt Securities
Marketable securities
Amortized cost	25,527
Gross unrealized losses	(131)
Aggregate estimated fair value	25,396
Corporate Debt Securities Maturity Period Three Months To One Year \| Debt Securities
Marketable securities
Amortized cost	15,619
Gross unrealized losses	(224)
Aggregate estimated fair value	15,395
Agency Bond Maturity Period Three Months To One Year
Marketable securities
Amortized cost	5,000
Gross unrealized losses	(103)
Aggregate estimated fair value	$ 4,897
Minimum \| Corporate Debt Securities Maturity Period Three Months To One Year
Marketable securities
Available For Sale Securities Debt Maturity Period	3 months
Minimum \| Agency Bond Maturity Period Three Months To One Year
Marketable securities
Available For Sale Securities Debt Maturity Period	3 months
Maximum \| Corporate Debt Securities Maturity Period Less Than Three Months \| Debt Securities
Marketable securities
Available For Sale Securities Debt Maturity Period	3 months
Maximum \| Corporate Debt Securities Maturity Period Three Months To One Year
Marketable securities
Available For Sale Securities Debt Maturity Period	1 year
Maximum \| Agency Bond Maturity Period Three Months To One Year
Marketable securities
Available For Sale Securities Debt Maturity Period	1 year

- Definition

Information pertains to maturity period of corporate debt securities

+ References

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- Definition

Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
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- Definition

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
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-Section 45
-Paragraph 1
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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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+ References

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