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Borrowings - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Debt Instrument [Line Items]        
Interest expense $ 2,600 $ 2,600 $ 7,700 $ 7,900
Level 2        
Debt Instrument [Line Items]        
Borrowings fair value $ 205,300   $ 205,300