Commitments and Contingencies - Summary of Capitalized Implementation Costs are Classified on the Consolidated Balance Sheets (Detail) $ in Thousands	12 Months Ended
Dec. 31, 2021 USD ($)
Commitments And Contingencies Disclosure [Abstract]
Cloud computing costs included in other current assets	$ 389
Cloud computing costs included in other assets	637
Total capitalized cloud computing costs	$ 1,027

Cloud computing costs included in other current assets.

No definition available.

Name:	aspn_CloudComputingCostsIncludedInOtherCurrentAssets
Namespace Prefix:	aspn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration