Commitments and Contingencies - Purchase Commitment (Details)	Sep. 03, 2020 kg
Purchase Commitment
License agreement term (in years)	2 years 6 months
Agreement extension term	2 years
Manufacturing and Supply Agreement with Glenmark Life Sciences Limited [Member]
Purchase Commitment
License termination term option	12 months
License termination activated upon written notice of material breach of Agreement	90 days
Manufacturing and Supply Agreement with Glenmark Life Sciences Limited [Member] | Minimum
Purchase Commitment
Number of kilograms of crofelemer per year per agreement	300