Subsequents Events - Additional Information (Details)	Dec. 09, 2020
Subsequent Events [Abstract]
Maximum ownership percentage to be raised for warrants to purchase shares of common stock	9.90%
Maximum ownership percentage for warrants to purchase shares of common stock	4.99%

Maximum ownership percentage to be raised for warrants to purchase shares of common stock.

No definition available.

Name:	agle_MaximumOwnershipPercentageToBeRaisedForWarrantsToPurchaseSharesOfCommonStock
Namespace Prefix:	agle_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant