XML 160 R140.htm IDEA: XBRL DOCUMENT v3.21.2

401(k) Savings Plan (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($)
401(k) Savings Plan
Contributions made	$ 0

X

- References

No definition available.

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- Definition

Amount of contribution received by defined benefit plan from employer which increases plan assets.

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Balance Type:	debit
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