Leases - Schedule of Components of Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Leases [Abstract]
Amortization of leased assets	$ 162	$ 12	$ 485	$ 36
Interest of lease liabilities	19	2	67	5
Operating lease cost	3,675	3,924	11,025	10,444
Short-term lease cost	154	134	420	283
Total lease cost before subleases	4,010	4,072	11,997	10,768
Sublease income	(1,344)	(1,378)	(4,108)	(4,078)
Total lease cost, net	$ 2,666	$ 2,694	$ 7,889	$ 6,690