Quarterly report pursuant to Section 13 or 15(d)

Restricted Cash - Schedule of Reconciliation of Cash, Cash Equivalents, and Restricted Cash (Details)

v3.21.2
Restricted Cash - Schedule of Reconciliation of Cash, Cash Equivalents, and Restricted Cash (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Sep. 30, 2020
Dec. 31, 2019
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents [Abstract]        
Cash and cash equivalents $ 115,420 $ 173,984 $ 93,133 $ 41,441
Restricted cash, current portion       290
Restricted cash, net of current portion 3,086 3,086 3,086 3,086
Total cash, cash equivalents and restricted cash $ 118,506 $ 177,070 $ 96,219 $ 44,817