Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Summary of Significant Accounting Policies - Commercial License and Other Economic Rights (Details)

v3.21.2
Basis of Presentation and Summary of Significant Accounting Policies - Commercial License and Other Economic Rights (Details) - Commercial license rights - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Commercial License and Other Economic Rights    
Gross $ 28,298 $ 28,298
Adjustments (17,550) (17,319)
Net 10,748 10,979
Accumulated amortization on finite-lived intangible assets (11,600) (11,300)
Credit loss adjustments of finite-lived intangible assets $ (6,000) $ (6,000)