XML 52 R42.htm IDEA: XBRL DOCUMENT v3.21.2
Development, Commercialization and Supply Agreement - Changes in Balances of Contract Assets and Liabilities (Detail) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Contract liabilities:    
Deferred revenue, Balance at Beginning of Period $ 18,632 $ 20,846
Deferred revenue, Additions 61 3,750
Deferred revenue, Deductions (1,225) (4,382)
Deferred revenue, Balance at End of Period $ 17,468 $ 20,214